diff --git a/.shellcheckrc b/.shellcheckrc
index 6d540ba17f..67fabfe157 100644
--- a/.shellcheckrc
+++ b/.shellcheckrc
@@ -14,3 +14,6 @@ disable=SC1091
 
 # Disable -p -m only applies to deepest directory
 disable=SC2174
+
+# Disable warning of functions in test statements
+disable=SC2310
diff --git a/gempak/fix/datatype.tbl b/gempak/fix/datatype.tbl
index e52e156de4..63b06c0826 100755
--- a/gempak/fix/datatype.tbl
+++ b/gempak/fix/datatype.tbl
@@ -102,10 +102,10 @@ LTNG         $OBS/ltng                 YYYYMMDDHH.ltng           CAT_MSC  SCAT_N
 !
 CLIMO        $GEMPAK/climo             climate_MM.mos            CAT_NIL  SCAT_NIL    1     -1     -1
 !
-GFS          $MODEL/gfs                gfs_YYYYMMDDHH            CAT_GRD  SCAT_FCT   -1     -1     -1
-F-GFS        $COMIN                    gfs_YYYYMMDDHHfFFF        CAT_GRD  SCAT_FCT   -1     -1     -1
-F-GFSP       $COMIN                    gfs_YYYYMMDDHHfFFF        CAT_GRD  SCAT_FCT   -1     -1     -1
-F-GFSHPC     $HPCGFS                   gfs_YYYYMMDDHHfFFF        CAT_GRD  SCAT_FCT   -1     -1     -1
+GFS          $MODEL/gfs                gfs_1p00_YYYYMMDDHH       CAT_GRD  SCAT_FCT   -1     -1     -1
+F-GFS        $COMIN                    gfs_1p00_YYYYMMDDHHfFFF   CAT_GRD  SCAT_FCT   -1     -1     -1
+F-GFSP       $COMIN                    gfs_1p00_YYYYMMDDHHfFFF   CAT_GRD  SCAT_FCT   -1     -1     -1
+F-GFSHPC     $HPCGFS                   gfs_1p00_YYYYMMDDHHfFFF   CAT_GRD  SCAT_FCT   -1     -1     -1
 GFSEXT       $MODEL/ens                gfs.YYYYMMDDHH            CAT_GRD  SCAT_FCT   -1     -1     -1
 GFS1         $MODEL/ens                gfs1.YYYYMMDDHH           CAT_GRD  SCAT_FCT   -1     -1     -1
 GFS2         $MODEL/ens                gfs2.YYYYMMDDHH           CAT_GRD  SCAT_FCT   -1     -1     -1
@@ -156,9 +156,9 @@ F-NAMP20     $COMIN                    nam20_YYYYMMDDHHfFFF      CAT_GRD  SCAT_F
 F-NAMP44     $COMIN                    nam44_YYYYMMDDHHfFFF      CAT_GRD  SCAT_FCT   -1     -1     -1
 F-THREATS    $COMIN                    ${NEST}_YYYYMMDDHHfFFF    CAT_GRD  SCAT_FCT   -1     -1     -1
 F-NAMHPC     $HPCNAM                   nam_YYYYMMDDHHfFFF        CAT_GRD  SCAT_FCT   -1     -1     -1
-GDAS         $MODEL/gdas               gdas_YYMMDDHH             CAT_GRD  SCAT_FCT   -1     -1     -1
-F-GDAS       $COMIN                    gdas_YYYYMMDDHHfFFF       CAT_GRD  SCAT_FCT   -1     -1     -1
-F-GFS        $COMIN                    gfs_YYYYMMDDHHfFFF        CAT_GRD  SCAT_FCT   -1     -1     -1
+GDAS         $MODEL/gdas               gdas_1p00_YYYYMMDDHH      CAT_GRD  SCAT_FCT   -1     -1     -1
+F-GDAS       $COMIN                    gdas_1p00_YYYYMMDDHHfFFF  CAT_GRD  SCAT_FCT   -1     -1     -1
+F-GFS        $COMIN                    gfs_1p00_YYYYMMDDHHfFFF   CAT_GRD  SCAT_FCT   -1     -1     -1
 F-HWRF       $COMIN                    hwrfp_YYYYMMDDHHfFFF_*    CAT_GRD  SCAT_FCT   -1     -1     -1
 F-HWRFN       $COMIN                   hwrfn_YYYYMMDDHHfFFF_*    CAT_GRD  SCAT_FCT   -1     -1     -1
 F-GHM        $COMIN                    ghmg_YYYYMMDDHHfFFF_*     CAT_GRD  SCAT_FCT   -1     -1     -1
diff --git a/gempak/ush/gdas_ecmwf_meta_ver.sh b/gempak/ush/gdas_ecmwf_meta_ver.sh
index 5d519c7cc5..4a4e5b5b64 100755
--- a/gempak/ush/gdas_ecmwf_meta_ver.sh
+++ b/gempak/ush/gdas_ecmwf_meta_ver.sh
@@ -1,75 +1,39 @@
-#!/bin/sh
-#
-# Metafile Script : gdas_ecmwf_meta_ver
+#! /usr/bin/env bash
 #
 # Creates a loop comparing the 6 hr gdas fcst to the pervious 7 days
 # of ecmwf fcsts
 #
-# Log :
-# J. Carr/HPC   3/2001   New metafile for verification of ecmwf.
-# J. Carr/HPC   5/2001   Added a mn variable for a/b side dbnet root variable.
-# M. Klein/HPC 11/2004   Changed verification grid from fnl to gdas
-# M. Klein/HPC  2/2005   Changed location of working directory to /ptmp
-# M. Klein/HPC 11/2006   Modify to run in production.
-#
-
-#cd $DATA
 
-set -xa
-
-if [ $cyc -ne "06" ] ; then
-    exit
-fi
+source "${HOMEgfs}/ush/preamble.sh"
 
-export pgm=gdplot2_nc;. prep_step; startmsg
+export pgm=gdplot2_nc;. prep_step
 
-cyc=12
+cyc2=12
 device="nc | ecmwfver.meta"
-PDY2=$(echo ${PDY} | cut -c3-)
 
 #
 # Copy in datatype table to define gdfile type
 #
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File datatype.tbl does not exist."
-   exit $err
+if (( err != 0 )) ; then
+   echo "FATAL ERROR: File datatype.tbl does not exist."
+   exit "${err}"
 fi
 
-#
-# DEFINE YESTERDAY
-date1=$($NDATE -24 ${PDY}${cyc} | cut -c -8)
-sdate1=$(echo ${date1} | cut -c 3-)
-# DEFINE 2 DAYS AGO
-date2=$($NDATE -48 ${PDY}${cyc} | cut -c -8)
-sdate2=$(echo ${date2} | cut -c 3-)
-# DEFINE 3 DAYS AGO
-date3=$($NDATE -72 ${PDY}${cyc} | cut -c -8)
-sdate3=$(echo ${date3} | cut -c 3-)
-# DEFINE 4 DAYS AGO
-date4=$($NDATE -96 ${PDY}${cyc} | cut -c -8)
-sdate4=$(echo ${date4} | cut -c 3-)
-# DEFINE 5 DAYS AGO
-date5=$($NDATE -120 ${PDY}${cyc} | cut -c -8)
-sdate5=$(echo ${date5} | cut -c 3-)
-# DEFINE 6 DAYS AGO
-date6=$($NDATE -144 ${PDY}${cyc} | cut -c -8)
-sdate6=$(echo ${date6} | cut -c 3-)
-# DEFINE 7 DAYS AGO
-date7=$($NDATE -168 ${PDY}${cyc} | cut -c -8)
-sdate7=$(echo ${date7} | cut -c 3-)
-
-vergrid="F-GDAS | ${PDY2}/0600"
+export COMIN="gdas.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
+vergrid="F-GDAS | ${PDY:2}/0600"
 fcsthr="0600f006"
 
 # GENERATING THE METAFILES.
 areas="SAM NAM"
-verdays="${date1} ${date2} ${date3} ${date4} ${date5} ${date6} ${date7}"
 
-for area in $areas
-    do
-    if [ $area == "NAM" ] ; then
+for area in ${areas}; do
+    if [[ "${area}" == "NAM" ]] ; then
         garea="5.1;-124.6;49.6;-11.9"
         proj="STR/90.0;-95.0;0.0"
         latlon="0"
@@ -80,37 +44,18 @@ for area in $areas
         latlon="1/10/1/2/10;10"
         run=" "
     fi
-    for verday in $verdays
-        do
-        verddate=$(echo ${verday} | cut -c 3-)
-        if [ ${verday} -eq ${date1} ] ; then
-            dgdattim=f024
-            sdatenum=$sdate1
-        elif [ ${verday} -eq ${date2} ] ; then
-            dgdattim=f048
-            sdatenum=$sdate2
-        elif [ ${verday} -eq ${date3} ] ; then
-            dgdattim=f072
-            sdatenum=$sdate3
-        elif [ ${verday} -eq ${date4} ] ; then
-            dgdattim=f096
-            sdatenum=$sdate4
-        elif [ ${verday} -eq ${date5} ] ; then
-            dgdattim=f120
-            sdatenum=$sdate5
-        elif [ ${verday} -eq ${date6} ] ; then
-            dgdattim=f144
-            sdatenum=$sdate6
-        elif [ ${verday} -eq ${date7} ] ; then
-            dgdattim=f168
-            sdatenum=$sdate7
+    for (( fhr=24; fhr<=168; fhr+=24 )); do
+        dgdattim=$(printf "f%03d" "${fhr}")
+        sdatenum=$(date --utc +%y%m%d -d "${PDY} ${cyc2} - ${fhr} hours")
+
+        if [[ ! -L "ecmwf.20${sdatenum}" ]]; then
+            ln -sf "${COMINecmwf}/ecmwf.20${sdatenum}/gempak" "ecmwf.20${sdatenum}"
         fi
-        # JY grid="$COMROOT/nawips/${envir}/ecmwf.20${sdatenum}/ecmwf_glob_20${sdatenum}12"
-        grid="${COMINecmwf}.20${sdatenum}/gempak/ecmwf_glob_20${sdatenum}12"
+        gdfile="ecmwf.20${sdatenum}/ecmwf_glob_20${sdatenum}12"
 
-# 500 MB HEIGHT METAFILE
+        # 500 MB HEIGHT METAFILE
 
-$GEMEXE/gdplot2_nc << EOFplt
+        "${GEMEXE}/gdplot2_nc" << EOFplt
 \$MAPFIL = mepowo.gsf
 PROJ     = ${proj}
 GAREA    = ${garea}
@@ -134,7 +79,7 @@ line     = 6/1/3
 title    = 6/-2/~ GDAS 500 MB HGT (6-HR FCST)|~${area} 500 HGT DF
 r
 
-gdfile   = ${grid}
+gdfile   = ${gdfile}
 gdattim  = ${dgdattim}
 line     = 5/1/3
 contur   = 4
@@ -157,7 +102,7 @@ clear    = yes
 latlon   = ${latlon}
 r
 
-gdfile   = ${grid}
+gdfile   = ${gdfile}
 gdattim  = ${dgdattim}
 line     = 5/1/3
 contur   = 4
@@ -165,7 +110,7 @@ title    = 5/-1/~ ECMWF PMSL
 clear    = no
 r
 
-PROJ     = 
+PROJ     =
 GAREA    = bwus
 gdfile   = ${vergrid}
 gdattim  = ${fcsthr}
@@ -181,7 +126,7 @@ clear    = yes
 latlon   = ${latlon}
 ${run}
 
-gdfile   = ${grid}
+gdfile   = ${gdfile}
 gdattim  = ${dgdattim}
 line     = 5/1/3
 contur   = 4
@@ -195,28 +140,28 @@ EOFplt
     done
 done
 
-export err=$?;err_chk
+export err=$?
+
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l ecmwfver.meta
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-    mkdir -p -m 775 ${COMOUTecmwf}.${PDY}/meta
-    mv ecmwfver.meta ${COMOUTecmwf}.${PDY}/meta/ecmwfver_${PDY}_${cyc}
-    export err=$?
-    if [[ $err -ne 0 ]] ; then
-       echo " File ecmwfver.meta does not exist."
-       exit $err
-    fi
+if (( err != 0 )) || [[ ! -s ecmwfver.meta ]]; then
+    echo "FATAL ERROR: Failed to create ecmwf meta file"
+    exit "${err}"
+fi
 
-    if [ $SENDDBN = "YES" ] ; then
-        ${DBNROOT}/bin/dbn_alert MODEL ECMWFVER_HPCMETAFILE $job \
-        ${COMOUTecmwf}.${PDY}/meta/ecmwfver_${PDY}_${cyc}
-    fi
+mv ecmwfver.meta "${COM_ATMOS_GEMPAK_META}/ecmwfver_${PDY}_${cyc2}"
+export err=$?
+if (( err != 0 )) ; then
+    echo "FATAL ERROR: Failed to move meta file to ${COM_ATMOS_GEMPAK_META}/ecmwfver_${PDY}_${cyc2}"
+    exit "${err}"
+fi
+
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL ECMWFVER_HPCMETAFILE "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/ecmwfver_${PDY}_${cyc2}"
 fi
 
 exit
diff --git a/gempak/ush/gdas_meta_loop.sh b/gempak/ush/gdas_meta_loop.sh
index 927958a0ad..e09fc9a7f9 100755
--- a/gempak/ush/gdas_meta_loop.sh
+++ b/gempak/ush/gdas_meta_loop.sh
@@ -1,91 +1,59 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gdas_meta_loop
 #
-# Log :
-# D.W.Plummer/NCEP   2/97      Add log header
-# J. Carr/HPC        3/98      Changed to gdplot2
-# J. Carr/HPC        8/98      Changed map to medium resolution
-# J. Carr/HPC        2/99      Changed skip to 0
-# J. Carr/HPC        2/01      Implemented usage on IBM operationally.
-# J. Carr/HPC        5/2001    Added a mn variable for a/b side dbnet root variable.
-# M. Klein/HPC      11/2004    Change fnl to gdas
-# M. Klein/HPC       2/2005    Changed location of working directory to /ptmp 
-# M. Klein/HPC      11/2006    Modify for production on CCS
 
-#cd $DATA
-
-set -xa
+source "${HOMEgfs}/ush/preamble.sh"
 
 device="nc | gdasloop.meta"
 
-PDY2=$(echo $PDY | cut -c3-)
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L "${COMIN}" ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
-if [ "$envir" = "para" ] ; then
+if [[ "${envir}" == "para" ]] ; then
    export m_title="GDASP"
 else
    export m_title="GDAS"
 fi
 
-export COMPONENT=${COMPONENT:-atmos}
-export pgm=gdplot2_nc;. prep_step; startmsg
+export pgm=gdplot2_nc;. prep_step
 
-#
-# Copy in datatype table to define gdfile type
-#
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
-export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File datatype.tbl does not exist."
-   exit $err
-fi
-
-#
-# Define previous days
-#
-PDYm1=$($NDATE -24 ${PDY}${cyc} | cut -c -8)
-PDYm2=$($NDATE -48 ${PDY}${cyc} | cut -c -8)
-PDYm3=$($NDATE -72 ${PDY}${cyc} | cut -c -8)
-PDYm4=$($NDATE -96 ${PDY}${cyc} | cut -c -8)
-PDYm5=$($NDATE -120 ${PDY}${cyc} | cut -c -8)
-PDYm6=$($NDATE -144 ${PDY}${cyc} | cut -c -8)
-#
-
-verdays="$PDYm6 $PDYm5 $PDYm4 $PDYm3 $PDYm2 $PDYm1 $PDY"
-
-for day in $verdays
-    do
-    PDY2=$(echo $day | cut -c 3-)
-    if [ $day -eq $PDY ] ; then
-        if [ $cyc -eq "00" ] ; then
-            cycles="00"   
-        elif [ $cyc -eq "06" ] ; then
-            cycles="00 06"
-        elif [ $cyc -eq "12" ] ; then
-            cycles="00 06 12"
-        elif [ $cyc -eq "18" ] ; then
-            cycles="00 06 12 18"
+for (( fhr=24; fhr<=144; fhr+=24 )); do
+    day=$(date --utc +%Y%m%d -d "${PDY} ${cyc} - ${fhr} hours")
+    if (( ${day}${cyc} < SDATE )); then
+        # Stop looking because these cycles weren't run
+        if (( fhr == 24 )); then
+            exit
+        else
+            break
         fi
-    else
-        cycles="00 06 12 18"
     fi
 
-    for cycle in $cycles
-        do
-#  Test with GDAS in PROD
-#        grid="${COMROOT}/nawips/${envir}/gdas.${day}/gdas_${day}${cycle}f000"
-         export COMIN=${COMINgdas}.${day}/${cycle}/${COMPONENT}/gempak
-         grid="${COMINgdas}.${day}/${cycle}/${COMPONENT}/gempak/gdas_${day}${cycle}f000"
+    cycles=$(seq -s ' ' -f "%02g" 0 6 "${cyc}")
+    for cycle in ${cycles}; do
+        #  Test with GDAS in PROD
+        YMD=${day} HH=${cyc} GRID=1p00 generate_com "COM_ATMOS_GEMPAK_1p00_past:COM_ATMOS_GEMPAK_TMPL"
+        export COMIN="${RUN}.${day}${cycle}"
+        if [[ ! -L "${COMIN}" ]]; then
+            ln -sf "${COM_ATMOS_GEMPAK_1p00_past}" "${COMIN}"
+        fi
+        gdfile="${COMIN}/gdas_1p00_${day}${cycle}f000"
 
-$GEMEXE/gdplot2_nc << EOF
+        "${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL = mepowo.gsf
-GDFILE	= $grid
-GDATTIM	= F00
-DEVICE	= $device
+GDFILE	= ${gdfile}
+GDATTIM	= F000
+DEVICE	= ${device}
 PANEL	= 0
 TEXT	= m/21//hw
 CONTUR	= 2
-PROJ    =  
+PROJ    =
 GAREA   = nam
 LATLON	= 0
 CLEAR	= yes
@@ -106,9 +74,9 @@ CLRBAR  = 1/V/LL              !0
 WIND    = am0
 MAP	= 1/1/1
 REFVEC  =
-TITLE   = 1/0/~ $m_title PW, EST MSLP, THICKNESS|~NAM PRCP WATER!0
+TITLE   = 1/0/~ ${m_title} PW, EST MSLP, THICKNESS|~NAM PRCP WATER!0
 r
- 
+
 PROJ    = STR/90;-105;0
 GAREA   = 2;-139;27;-22
 LATLON  = 1/1/1//15;15
@@ -124,11 +92,11 @@ LINE    = 7/5/1/2            !20/1/2/1
 FINT    = 15;21;27;33;39;45;51;57
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!
-HLSYM   = 
+HLSYM   =
 CLRBAR  = 1
 WIND    = 0
 REFVEC  =
-TITLE   = 5/-2/~ $m_title @ HGT AND VORTICITY|~NAM @ HGT AND VORT!0
+TITLE   = 5/-2/~ ${m_title} @ HGT AND VORTICITY|~NAM @ HGT AND VORT!0
 r
 
 GLEVEL	= 250
@@ -146,50 +114,24 @@ HLSYM	=
 CLRBAR	= 1
 WIND	= 0                !Bk9/.7/2/b/!
 REFVEC	=
-TITLE	= 5/-2/~ $m_title @ HGHT, ISOTACHS AND WIND (KTS)|~NAM @ HGT & WIND!0
+TITLE	= 5/-2/~ ${m_title} @ HGHT, ISOTACHS AND WIND (KTS)|~NAM @ HGT & WIND!0
 FILTER  = n
 r
 
 exit
 EOF
 
-    done
-
-done
-
-for day in $verdays
-    do
-    PDY2=$(echo $day | cut -c 3-)
-    if [ $day -eq $PDY ] ; then
-        if [ $cyc -eq "00" ] ; then
-            cycles="00"
-        elif [ $cyc -eq "06" ] ; then
-            cycles="00 06"
-        elif [ $cyc -eq "12" ] ; then
-            cycles="00 06 12"
-        elif [ $cyc -eq "18" ] ; then
-            cycles="00 06 12 18"
-        fi
-    else
-        cycles="00 06 12 18"
-    fi
+        gdfile="${COMIN}/gdas_1p00_${day}${cycle}f000"
 
-    for cycle in $cycles
-        do
-#  Test with GDAS in PROD
-#        grid="${COMROOT}/nawips/${envir}/gdas.${day}/gdas_${day}${cycle}f000"
-         export COMIN=${COMINgdas}.${day}/${cycle}/${COMPONENT}/gempak
-         grid="${COMINgdas}.${day}/${cycle}/${COMPONENT}/gempak/gdas_${day}${cycle}f000"
-   
-$GEMEXE/gdplot2_nc << EOF
+"${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL = mepowo.gsf
-GDFILE	= $grid
-GDATTIM	= F00
-DEVICE	= $device
+GDFILE	= ${gdfile}
+GDATTIM	= F000
+DEVICE	= ${device}
 PANEL	= 0
 TEXT	= m/21//hw
 CONTUR	= 1
-PROJ    =  
+PROJ    =
 GAREA   = samps
 LATLON	= 1/1/1//15;15
 CLEAR	= yes
@@ -210,9 +152,9 @@ CLRBAR  = 1/V/LL             !0
 WIND    = am0
 MAP	= 1/1/1
 REFVEC  =
-TITLE   = 1/0/~ $m_title PW, MSLP, THICKNESS|~SAM PRCP WATER!0
+TITLE   = 1/0/~ ${m_title} PW, MSLP, THICKNESS|~SAM PRCP WATER!0
 r
- 
+
 GLEVEL  = 500
 GVCORD  = PRES
 SKIP    = 0                  !0       !0                  !0        !0
@@ -225,11 +167,11 @@ LINE    = 7/5/1/2            !29/5/1/2!7/5/1/2            !29/5/1/2 !20/1/2/1
 FINT    = 16;20;24;28;32;36;40;44
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!        !2;6/X;N/10-99;10-99!         !
-HLSYM   = 
+HLSYM   =
 CLRBAR  = 1
 WIND    = 0
 REFVEC  =
-TITLE   = 5/-2/~ $m_title @ HGT AND VORTICITY|~SAM @ HGT & VORT!0
+TITLE   = 5/-2/~ ${m_title} @ HGT AND VORTICITY|~SAM @ HGT & VORT!0
 r
 
 GLEVEL	= 250
@@ -247,7 +189,7 @@ HLSYM	=
 CLRBAR	= 1
 WIND	= 0                !Bk9/.7/2/b/!
 REFVEC	=
-TITLE	= 5/-2/~ $m_title @ HGHT, ISOTACHS AND WIND (KTS)|~SAM @ HGT & WIND!0
+TITLE	= 5/-2/~ ${m_title} @ HGHT, ISOTACHS AND WIND (KTS)|~SAM @ HGT & WIND!0
 FILTER  = n
 r
 
@@ -261,11 +203,11 @@ TYPE    = c                            !c
 CINT    = 1                            !4
 LINE    = 22/5/2/1                     !10/1/1
 FINT    =
-FLINE   = 
+FLINE   =
 HILO    =                              !26;2/H#;L#/1020-1070;900-1012/3/30;30/y
 HLSYM   =                              !2;1.5//21//hw
 WIND    = 0
-TITLE   = 1/-1/~ $m_title PMSL, 1000-850mb THKN|~SAM PMSL, 1000-850 TK!0
+TITLE   = 1/-1/~ ${m_title} PMSL, 1000-850mb THKN|~SAM PMSL, 1000-850 TK!0
 r
 
 exit
@@ -274,27 +216,28 @@ EOF
     done
 done
 
-export err=$?;err_chk
+export err=$?
+
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l gdasloop.meta
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
+if (( err != 0 )) || [[ ! -s gdasloop.meta ]]; then
+    echo "FATAL ERROR: Failed to create gdasloop meta file"
+    exit "${err}"
+fi
 
-if [ $SENDCOM = "YES" ] ; then
-    mv gdasloop.meta ${COMOUT}/gdas_${PDY}_${cyc}_loop
-    export err=$?
-    if [[ $err -ne 0 ]] ; then
-      echo " File gdasloop.meta does not exist."
-      exit $err
-    fi
+mv gdasloop.meta "${COM_ATMOS_GEMPAK_META}/gdas_${PDY}_${cyc}_loop"
+export err=$?
+if (( err != 0 )) ; then
+    echo "FATAL ERROR: Failed to move meta file to ${COM_ATMOS_GEMPAK_META}/gdas_${PDY}_${cyc}_loop"
+    exit "${err}"
+fi
 
-    if [ $SENDDBN = "YES" ] ; then
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        $COMOUT/gdas_${PDY}_${cyc}_loop
-    fi
+if [[ ${SENDDBN} == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/gdas_${PDY}_${cyc}_loop"
 fi
 
 exit
diff --git a/gempak/ush/gdas_meta_na.sh b/gempak/ush/gdas_meta_na.sh
index fb1c328140..9c51bc18a7 100755
--- a/gempak/ush/gdas_meta_na.sh
+++ b/gempak/ush/gdas_meta_na.sh
@@ -1,41 +1,33 @@
-#!/bin/sh 
-
+#! /usr/bin/env bash
 #
 # Metafile Script : gdas_meta_na
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# LJ REED 4/10/98 added line to define BIN_DIR
-# J. Carr/HPC        2/99   Changed skip to 0
-# B. Gordon          4/00   Modified for production on IBM-SP
-#                           and changed gdplot_nc -> gdplot2_nc
-# D. Michaud         4/01   Added logic to display different title
-#                           for parallel runs
-# J. Carr           11/04   Added a ? in all title/TITLE lines.
-# J. Carr           11/04   Changed GAREA and PROJ to match GFS and NAM.
-#
-
-cd $DATA
 
-set -xa
+source "${HOMEgfs}/ush/preamble.sh"
 
 device="nc | gdas.meta"
 
-PDY2=$(echo $PDY | cut -c3-)
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L "${COMIN}" ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
-if [ "$envir" = "para" ] ; then
+if [[ "${envir}" == "para" ]] ; then
    export m_title="GDASP"
 else
    export m_title="GDAS"
 fi
 
 export pgm=gdplot2_nc; prep_step
-startmsg
 
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-GDAS | ${PDY2}/${cyc}00
+"${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-GDAS | ${PDY:2}/${cyc}00
 GDATTIM	= FALL
-DEVICE	= $device
+DEVICE	= ${device}
 PANEL	= 0
 TEXT	= 1/21//hw
 CONTUR	= 2
@@ -55,7 +47,7 @@ restore ${HOMEgfs}/gempak/ush/restore/pmsl_thkn.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
+TITLE	= 5/-2/~ ? ${m_title} PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
 l
 ru
 
@@ -65,7 +57,7 @@ CLRBAR  = 1
 TEXT    = 1/21//hw
 SKIP    = 0         !0         !0         !0         !/3
 FILTER  = NO
-TITLE	= 5/-2/~ ? $m_title @ HGT, TEMP AND WIND (KTS)|~@ HGT, TMP, WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, TEMP AND WIND (KTS)|~@ HGT, TMP, WIND!0
 l
 ru
 
@@ -73,7 +65,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/700mb_hght_relh_omeg.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
 l
 ru
 
@@ -81,7 +73,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/500mb_hght_absv.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
 l
 ru
 
@@ -89,34 +81,32 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/250mb_hght_wnd.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
 l
 ru
 
 exit
 EOF
-export err=$?;err_chk
+export err=$?
 
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l gdas.meta
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-  mv gdas.meta ${COMOUT}/gdas_${PDY}_${cyc}_na
-  export err=$?
-  if [[ $err -ne 0 ]] ; then
-    echo " File gdas.meta does not exist."
-    exit $err
-  fi
-
-  if [ $SENDDBN = "YES" ] ; then
-    $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-     $COMOUT/gdas_${PDY}_${cyc}_na
-  fi
+if (( err != 0 )) || [[ ! -s gdas.meta ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file for North America"
+    exit "${err}"
 fi
 
-#
+mv gdas.meta "${COM_ATMOS_GEMPAK_META}/gdas_${PDY}_${cyc}_na"
+export err=$?
+if (( err != 0 )) ; then
+    echo "FATAL ERROR: Failed to move meta file to ${COM_ATMOS_GEMPAK_META}/gdas_${PDY}_${cyc}_na"
+    exit "${err}"
+fi
+
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/gdas_${PDY}_${cyc}_na"
+fi
diff --git a/gempak/ush/gdas_ukmet_meta_ver.sh b/gempak/ush/gdas_ukmet_meta_ver.sh
index c7267ed09c..90c0d214b7 100755
--- a/gempak/ush/gdas_ukmet_meta_ver.sh
+++ b/gempak/ush/gdas_ukmet_meta_ver.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gdas_ukmet_meta_ver
 #
@@ -13,83 +13,27 @@
 # M. Klein/HPC   11/2006   Modify to run in production.
 #
 
-#cd $DATA
+source "${HOMEgfs}/ush/preamble.sh"
 
-set -xa
-
-if [ $cyc -ne "06" ] ; then
-    exit
-fi
-
-export pgm=gdplot2_nc;. prep_step; startmsg
+export pgm=gdplot2_nc;. prep_step
 
 device="nc | ukmetver_12.meta"
-PDY2=$(echo ${PDY} | cut -c3-)
-
-#
-# Copy in datatype table to define gdfile type
-#
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
-
-#
-# DEFINE 1 CYCLE AGO
-dc1=$($NDATE -06 ${PDY}${cyc} | cut -c -10)
-date1=$(echo ${dc1} | cut -c -8)
-sdate1=$(echo ${dc1} | cut -c 3-8)
-cycle1=$(echo ${dc1} | cut -c 9,10)
-# DEFINE 2 CYCLES AGO
-dc2=$($NDATE -18 ${PDY}${cyc} | cut -c -10)
-date2=$(echo ${dc2} | cut -c -8)
-sdate2=$(echo ${dc2} | cut -c 3-8)
-cycle2=$(echo ${dc2} | cut -c 9,10)
-# DEFINE 3 CYCLES AGO
-dc3=$($NDATE -30 ${PDY}${cyc} | cut -c -10)
-date3=$(echo ${dc3} | cut -c -8)
-sdate3=$(echo ${dc3} | cut -c 3-8)
-cycle3=$(echo ${dc3} | cut -c 9,10)
-# DEFINE 4 CYCLES AGO
-dc4=$($NDATE -42 ${PDY}${cyc} | cut -c -10)
-date4=$(echo ${dc4} | cut -c -8)
-sdate4=$(echo ${dc4} | cut -c 3-8)
-cycle4=$(echo ${dc4} | cut -c 9,10)
-# DEFINE 5 CYCLES AGO
-dc5=$($NDATE -54 ${PDY}${cyc} | cut -c -10)
-date5=$(echo ${dc5} | cut -c -8)
-sdate5=$(echo ${dc5} | cut -c 3-8)
-cycle5=$(echo ${dc5} | cut -c 9,10)
-# DEFINE 6 CYCLES AGO
-dc6=$($NDATE -66 ${PDY}${cyc} | cut -c -10)
-date6=$(echo ${dc6} | cut -c -8)
-sdate6=$(echo ${dc6} | cut -c 3-8)
-cycle6=$(echo ${dc6} | cut -c 9,10)
-# DEFINE 7 CYCLES AGO
-dc7=$($NDATE -90 ${PDY}${cyc} | cut -c -10)
-date7=$(echo ${dc7} | cut -c -8)
-sdate7=$(echo ${dc7} | cut -c 3-8)
-cycle7=$(echo ${dc7} | cut -c 9,10)
-# DEFINE 8 CYCLES AGO
-dc8=$($NDATE -114 ${PDY}${cyc} | cut -c -10)
-date8=$(echo ${dc8} | cut -c -8)
-sdate8=$(echo ${dc8} | cut -c 3-8)
-cycle8=$(echo ${dc8} | cut -c 9,10)
-# DEFINE 9 CYCLES AGO
-dc9=$($NDATE -138 ${PDY}${cyc} | cut -c -10)
-date9=$(echo ${dc9} | cut -c -8)
-sdate9=$(echo ${dc9} | cut -c 3-8)
-cycle9=$(echo ${dc9} | cut -c 9,10)
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
 # SET CURRENT CYCLE AS THE VERIFICATION GRIDDED FILE.
-vergrid="F-GDAS | ${PDY2}/0600"
+export COMIN="gdas.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
+vergrid="F-GDAS | ${PDY:2}/0600"
 fcsthr="0600f006"
 
 # SET WHAT RUNS TO COMPARE AGAINST BASED ON MODEL CYCLE TIME.
 areas="SAM NAM"
-verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9}"
 
 # GENERATING THE METAFILES.
-for area in $areas
-    do 
-    if [ ${area} = "NAM" ] ; then
+for area in ${areas}; do
+    if [[ "${area}" == "NAM" ]] ; then
         garea="5.1;-124.6;49.6;-11.9"
         proj="STR/90.0;-95.0;0.0"
         latlon="0"
@@ -100,50 +44,23 @@ for area in $areas
         latlon="1/10/1/2/10;10"
         run=" "
     fi
-    for verday in $verdays
-        do
-        if [ ${verday} -eq ${dc1} ] ; then
-            dgdattim=f012
-            sdatenum=$sdate1
-            cyclenum=$cycle1
-        elif [ ${verday} -eq ${dc2} ] ; then
-            dgdattim=f024
-            sdatenum=$sdate2
-            cyclenum=$cycle2
-        elif [ ${verday} -eq ${dc3} ] ; then
-            dgdattim=f036
-            sdatenum=$sdate3
-            cyclenum=$cycle3
-        elif [ ${verday} -eq ${dc4} ] ; then
-            dgdattim=f048
-            sdatenum=$sdate4
-            cyclenum=$cycle4
-        elif [ ${verday} -eq ${dc5} ] ; then
-            dgdattim=f060
-            sdatenum=$sdate5
-            cyclenum=$cycle5
-        elif [ ${verday} -eq ${dc6} ] ; then
-            dgdattim=f072
-            sdatenum=$sdate6
-            cyclenum=$cycle6
-        elif [ ${verday} -eq ${dc7} ] ; then
-            dgdattim=f096
-            sdatenum=$sdate7
-            cyclenum=$cycle7
-        elif [ ${verday} -eq ${dc8} ] ; then
-            dgdattim=f120
-            sdatenum=$sdate8
-            cyclenum=$cycle8
-        elif [ ${verday} -eq ${dc9} ] ; then
-            dgdattim=f144
-            sdatenum=$sdate9
-            cyclenum=$cycle9
+
+    fhrs=$(seq -s ' ' 12 12 72)
+    fhrs="${fhrs} $(seq -s ' ' 96 24 144)"
+    for fhr in ${fhrs}; do
+        stime=$(date --utc +%y%m%d -d "${PDY} ${cyc} - ${fhr} hours")
+        dgdattim=$(printf "f%03d" "${fhr}")
+        sdatenum=${stime:0:6}
+        cyclenum=${stime:6}
+
+        if [[ ! -L "ukmet.20${sdatenum}" ]]; then
+            ln -sf "${COMINukmet}/ukmet.20${sdatenum}/gempak" "ukmet.20${sdatenum}"
         fi
-        grid="${COMINukmet}.20${sdatenum}/gempak/ukmet_20${sdatenum}${cyclenum}${dgdattim}"
+        gdfile="ukmet.20${sdatenum}/ukmet_20${sdatenum}${cyclenum}${dgdattim}"
 
-# 500 MB HEIGHT METAFILE
+        # 500 MB HEIGHT METAFILE
 
-$GEMEXE/gdplot2_nc << EOFplt
+        "${GEMEXE}/gdplot2_nc" << EOFplt
 \$MAPFIL = mepowo.gsf
 PROJ     = ${proj}
 GAREA    = ${garea}
@@ -167,7 +84,7 @@ line     = 6/1/3
 title    = 6/-2/~ GDAS 500 MB HGT (6-HR FCST)|~${area} 500 HGT DIFF
 r
 
-gdfile   = ${grid}
+gdfile   = ${gdfile}
 gdattim  = ${dgdattim}
 line     = 5/1/3
 contur   = 4
@@ -189,7 +106,7 @@ clear    = yes
 latlon   = ${latlon}
 r
 
-gdfile   = ${grid}
+gdfile   = ${gdfile}
 gdattim  = ${dgdattim}
 line     = 5/1/3
 contur   = 4
@@ -197,7 +114,7 @@ title    = 5/-1/~ UKMET PMSL
 clear    = no
 r
 
-PROJ     = 
+PROJ     =
 GAREA    = bwus
 gdfile   = ${vergrid}
 gdattim  = ${fcsthr}
@@ -213,7 +130,7 @@ clear    = yes
 latlon   = ${latlon}
 ${run}
 
-gdfile   = ${grid}
+gdfile   = ${gdfile}
 gdattim  = ${dgdattim}
 line     = 5/1/3
 contur   = 4
@@ -226,22 +143,28 @@ EOFplt
     done
 done
 
-export err=$?;err_chk
+export err=$?
+
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l ukmetver_12.meta
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-    mkdir -p -m 775 ${COMOUTukmet}/ukmet.${PDY}/meta/
-    mv ukmetver_12.meta ${COMOUTukmet}/ukmet.${PDY}/meta/ukmetver_${PDY}_12
-    if [ $SENDDBN = "YES" ] ; then
-        ${DBNROOT}/bin/dbn_alert MODEL UKMETVER_HPCMETAFILE $job \
-        ${COMOUTukmet}/ukmet.${PDY}/meta/ukmetver_${PDY}_12
-    fi
+if (( err != 0 )) || [[ ! -s ukmetver_12.meta ]]; then
+    echo "FATAL ERROR: Failed to create ukmet meta file"
+    exit "${err}"
+fi
+
+mv ukmetver_12.meta "${COM_ATMOS_GEMPAK_META}/ukmetver_${PDY}_12"
+export err=$?
+if (( err != 0 )) ; then
+    echo "FATAL ERROR: Failed to move meta file to ${COM_ATMOS_GEMPAK_META}/ukmetver_${PDY}_12"
+    exit "${err}"
+fi
+
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL UKMETVER_HPCMETAFILE "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/ukmetver_${PDY}_12"
 fi
 
 exit
diff --git a/gempak/ush/gempak_gdas_f000_gif.sh b/gempak/ush/gempak_gdas_f000_gif.sh
index 3e25d4090f..80e28f5345 100755
--- a/gempak/ush/gempak_gdas_f000_gif.sh
+++ b/gempak/ush/gempak_gdas_f000_gif.sh
@@ -1,97 +1,87 @@
-#!/bin/sh
+#! /usr/bin/env bash
 
 #########################################################################
 #
-#   Script:  gempak_gdas_f00_gif.sh
-#
 #   This scripts creates GEMPAK .gif images of 00HR/Analysis fields from
 #   GDAS model output for archiving at NCDC.
 #
-#
-#   History:   Ralph Jones     02/16/2005   JIF original version.
-#
-#
 #########################################################################
 
-  set -x
-
-  MAPAREA="normal"
+source "${HOMEgfs}/ush/preamble.sh"
 
-  LATVAL="1/1/1/1/5;5"
-  LATSOUTH="1/1/1/1;4/5;5"
+LATVAL="1/1/1/1/5;5"
+LATSOUTH="1/1/1/1;4/5;5"
+pixels="1728;1472"
 
-  pixels="1728;1472"
-
-  cp ${HOMEgfs}/gempak/fix/coltbl.spc coltbl.xwp
+cp "${HOMEgfs}/gempak/fix/coltbl.spc" coltbl.xwp
 
 #################################################################
-#              NORTHERN HEMISPHERE ANALYSIS CHARTS              # 
+#              NORTHERN HEMISPHERE ANALYSIS CHARTS              #
 #################################################################
 
-# Create time stamp (bottom) label 
+# Create time stamp (bottom) label
 
-  echo 0000${PDY}${cyc} > dates
-  export FORT55="title.output"
-#  $WEBTITLE < dates
- ${UTILgfs}/exec/webtitle < dates
+echo "0000${PDY}${cyc}" > dates
+export FORT55="title.output"
+"${HOMEgfs}/exec/webtitle.x" < dates
 
-  export TITLE=$(cat title.output)
-  echo "\n\n TITLE = $TITLE \n"
+TITLE="$(cat title.output)"
+echo "TITLE = ${TITLE}"
 
 # Define labels and file names for Northern Hemisphere analysis charts
 
-  hgttmp850lab="850MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp850dev="gdas_850_hgt_tmp_nh_anl_${cyc}.gif"
+hgttmp850lab="850MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp850dev="gdas_850_hgt_tmp_nh_anl_${cyc}.gif"
+
+hgttmp700lab="700MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp700dev="gdas_700_hgt_tmp_nh_anl_${cyc}.gif"
 
-  hgttmp700lab="700MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp700dev="gdas_700_hgt_tmp_nh_anl_${cyc}.gif"
+hgttmp500lab="500MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp500dev="gdas_500_hgt_tmp_nh_anl_${cyc}.gif"
 
-  hgttmp500lab="500MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp500dev="gdas_500_hgt_tmp_nh_anl_${cyc}.gif"
+hgtiso300lab="300MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso300dev="gdas_300_hgt_iso_nh_anl_${cyc}.gif"
 
-  hgtiso300lab="300MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso300dev="gdas_300_hgt_iso_nh_anl_${cyc}.gif"
+hgtiso250lab="250MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso250dev="gdas_250_hgt_iso_nh_anl_${cyc}.gif"
 
-  hgtiso250lab="250MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso250dev="gdas_250_hgt_iso_nh_anl_${cyc}.gif"
+hgtiso200lab="200MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso200dev="gdas_200_hgt_iso_nh_anl_${cyc}.gif"
 
-  hgtiso200lab="200MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso200dev="gdas_200_hgt_iso_nh_anl_${cyc}.gif"
+mslpthksfclab="ANALYSIS  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
+mslpthksfcdev="gdas_sfc_mslp_thk_nh_anl_${cyc}.gif"
 
-  mslpthksfclab="ANALYSIS  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
-  mslpthksfcdev="gdas_sfc_mslp_thk_nh_anl_${cyc}.gif"
- 
 
 # Set grid date and input file name
 
-  gdattim=$(echo ${PDY} | cut -c3-8)/${cyc}00F000
-  gdfile=gem_grids${fhr}.gem
+gdattim="${PDY:2:6}/${cyc}00F000"
+gdfile=gem_grids${fhr3}.gem
 
 
 #  Execute the GEMPAK program
 
-$GEMEXE/gdplot2_gif << EOF
+"${GEMEXE}/gdplot2_gif" << EOF
 
 
 ! 850MB HEIGHTS/TEMPERATURES
 
-  restore $NTS/base_nh.nts
-  restore $NTS/850_hgt_tmp.nts
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/850_hgt_tmp.nts
 
   CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgttmp850dev} | $pixels
+  DEVICE  = gif | ${hgttmp850dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATVAL
+  LATLON  = ${LATVAL}
   l
   r
 
   CLEAR   = no
   GDPFUN  =
-  TITLE   = 1/-4/$TITLE
+  TITLE   = 1/-4/${TITLE}
   TEXT    = 2/3/2/sw
   LATLON  = 0
   l
@@ -104,23 +94,23 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 700MB HEIGHTS/TEMPERATURES
 
-  restore $NTS/base_nh.nts
-  restore $NTS/700_hgt_tmp.nts
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/700_hgt_tmp.nts
 
   CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgttmp700dev} | $pixels
+  DEVICE  = gif | ${hgttmp700dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATVAL
+  LATLON  = ${LATVAL}
   l
   r
 
   CLEAR   = no
   GDPFUN  =
-  TITLE   = 1/-4/$TITLE
+  TITLE   = 1/-4/${TITLE}
   TEXT    = 2/3/2/sw
   LATLON  = 0
   l
@@ -133,23 +123,23 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 500MB HEIGHTS/TEMPERATURES
 
-  restore $NTS/base_nh.nts
-  restore $NTS/500_hgt_tmp.nts
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/500_hgt_tmp.nts
 
   CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgttmp500dev} | $pixels
+  DEVICE  = gif | ${hgttmp500dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATVAL
+  LATLON  = ${LATVAL}
   l
   r
 
   CLEAR   = no
   GDPFUN  =
-  TITLE   = 1/-4/$TITLE
+  TITLE   = 1/-4/${TITLE}
   TEXT    = 2/3/2/sw
   LATLON  = 0
   l
@@ -162,14 +152,14 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 300MB HEIGHTS/ISOTACHS
 
-  restore $NTS/base_nh.nts
-  restore $NTS/300_hgt_iso.nts
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/300_hgt_iso.nts
 
   CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgtiso300dev} | $pixels
+  DEVICE  = gif | ${hgtiso300dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
   LATLON  = 1/1/1/1/5;5             !
@@ -178,7 +168,7 @@ $GEMEXE/gdplot2_gif << EOF
 
   CLEAR   = no
   GDPFUN  =
-  TITLE   = 1/-4/$TITLE
+  TITLE   = 1/-4/${TITLE}
   TEXT    = 2/3/2/sw
   LATLON  = 0
   l
@@ -191,17 +181,17 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 250MB ANALYSIS HEIGHTS/ISOTACHS
 
-  restore $NTS/base_nh.nts
-  restore $NTS/250_hgt_iso.nts
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/250_hgt_iso.nts
 
-  CLEAR   = yes 
+  CLEAR   = yes
   GDFILE  = ${gdfile}
   GDATTIM = ${gdattim}
-  MAP     = 1                       
-  DEVICE  = gif | ${hgtiso250dev} | $pixels 
-  TITLE   = 
+  MAP     = 1
+  DEVICE  = gif | ${hgtiso250dev} | ${pixels}
+  TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATVAL 
+  LATLON  = ${LATVAL}
   l
   r
 
@@ -221,14 +211,14 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 200MB HEIGHTS/ISOTACHS
 
-  restore $NTS/base_nh.nts
-  restore $NTS/200_hgt_iso.nts
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/200_hgt_iso.nts
 
   CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgtiso200dev} | $pixels
+  DEVICE  = gif | ${hgtiso200dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
   LATLON  = 1/1/1/1/5;5             !
@@ -237,7 +227,7 @@ $GEMEXE/gdplot2_gif << EOF
 
   CLEAR   = no
   GDPFUN  =
-  TITLE   = 1/-4/$TITLE
+  TITLE   = 1/-4/${TITLE}
   TEXT    = 2/3/2/sw
   LATLON  = 0
   l
@@ -250,17 +240,17 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! ANALYSIS MSLP/1000-500 THICKNESS
 
-  restore $NTS/base_nh.nts
-  restore $NTS/sfc_mslp_thk.nts
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/sfc_mslp_thk.nts
 
   CLEAR   = yes
   GDFILE  = ${gdfile}
   GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${mslpthksfcdev} | $pixels
+  DEVICE  = gif | ${mslpthksfcdev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATVAL
+  LATLON  = ${LATVAL}
   l
   r
 
@@ -280,75 +270,66 @@ $GEMEXE/gdplot2_gif << EOF
   exit
 EOF
 
-$GEMEXE/gpend
-
-if [ $SENDCOM = YES ]; then
+"${GEMEXE}/gpend"
 
 # Copy the GIF images into my area
 
-  cp ${hgttmp850dev}    $COMOUTncdc/.
-  cp ${hgttmp700dev}    $COMOUTncdc/.
-  cp ${hgttmp500dev}    $COMOUTncdc/.
-  cp ${hgtiso300dev}    $COMOUTncdc/.
-  cp ${hgtiso250dev}    $COMOUTncdc/.
-  cp ${hgtiso200dev}    $COMOUTncdc/.
-  cp ${mslpthksfcdev}   $COMOUTncdc/.
+cp "${hgttmp850dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgttmp700dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgttmp500dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgtiso300dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgtiso250dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgtiso200dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${mslpthksfcdev}"   "${COM_ATMOS_GEMPAK_GIF}/."
 
 # Send the GIF images onto the NCDC area on the public ftp server
 
- if [ $SENDDBN = YES ]; then
-
-   $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgttmp850dev}    
-   $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgttmp700dev}    
-   $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgttmp500dev}    
-   $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgtiso300dev}    
-   $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgtiso250dev}    
-   $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgtiso200dev}    
-   $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${mslpthksfcdev}   
-
- fi
-
+if [[ ${SENDDBN} == YES ]]; then
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp850dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp700dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp500dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso300dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso250dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso200dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${mslpthksfcdev}"
 fi
 
 
- 
- 
 ##########################################################
 #         SOUTHERN HEMISPHERE ANALYSIS CHARTS            #
 ##########################################################
 
+mslpthksfclab="ANALYSIS  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
+mslpthksfcdev="gdas_sfc_mslp_thk_sh_anl_${cyc}.gif"
 
-  mslpthksfclab="ANALYSIS  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
-  mslpthksfcdev="gdas_sfc_mslp_thk_sh_anl_${cyc}.gif"
-
-  hgttmp500lab="500MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp500dev="gdas_500_hgt_tmp_sh_anl_${cyc}.gif"
+hgttmp500lab="500MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp500dev="gdas_500_hgt_tmp_sh_anl_${cyc}.gif"
 
-  hgtiso300lab="300MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso300dev="gdas_300_hgt_iso_sh_anl_${cyc}.gif"
+hgtiso300lab="300MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso300dev="gdas_300_hgt_iso_sh_anl_${cyc}.gif"
 
-  hgtiso250lab="250MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso250dev="gdas_250_hgt_iso_sh_anl_${cyc}.gif"
+hgtiso250lab="250MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso250dev="gdas_250_hgt_iso_sh_anl_${cyc}.gif"
 
 
 #  Execute the GEMPAK program
 
-$GEMEXE/gdplot2_gif << EOF
+"${GEMEXE}/gdplot2_gif" << EOF
 
 
 ! ANALYSIS MSLP/1000-500 THICKNESS
 
-  restore $NTS/base_sh.nts
-  restore $NTS/sfc_mslp_thk.nts
+  restore ${NTS}/base_sh.nts
+  restore ${NTS}/sfc_mslp_thk.nts
 
   CLEAR   = yes
   GDFILE  = ${gdfile}
   GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${mslpthksfcdev} | $pixels
+  DEVICE  = gif | ${mslpthksfcdev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATSOUTH
+  LATLON  = ${LATSOUTH}
   l
   r
 
@@ -368,18 +349,18 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 500MB ANALYSIS  HEIGHTS/TEMPERATURES
 
-  restore $NTS/base_sh.nts
-  restore $NTS/500_hgt_tmp.nts
+  restore ${NTS}/base_sh.nts
+  restore ${NTS}/500_hgt_tmp.nts
 
 
   CLEAR   = yes
   GDFILE  = ${gdfile}
   GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgttmp500dev} | $pixels
+  DEVICE  = gif | ${hgttmp500dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATSOUTH
+  LATLON  = ${LATSOUTH}
   l
   r
 
@@ -398,23 +379,23 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 300MB HEIGHTS/ISOTACHS
 
-  restore $NTS/base_sh.nts
-  restore $NTS/300_hgt_iso.nts
+  restore ${NTS}/base_sh.nts
+  restore ${NTS}/300_hgt_iso.nts
 
   CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgtiso300dev} | $pixels
+  DEVICE  = gif | ${hgtiso300dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATSOUTH               !
+  LATLON  = ${LATSOUTH}               !
   l
   r
 
   CLEAR   = no
   GDPFUN  =
-  TITLE   = 1/-4/$TITLE
+  TITLE   = 1/-4/${TITLE}
   TEXT    = 2/3/2/sw
   LATLON  = 0
   l
@@ -427,17 +408,17 @@ $GEMEXE/gdplot2_gif << EOF
 
 ! 250MB ANALYSIS HEIGHTS/ISOTACHS
 
-  restore $NTS/base_sh.nts
-  restore $NTS/250_hgt_iso.nts
+  restore ${NTS}/base_sh.nts
+  restore ${NTS}/250_hgt_iso.nts
 
   CLEAR   = yes
   GDFILE  = ${gdfile}
   GDATTIM = ${gdattim}
   MAP     = 1
-  DEVICE  = gif | ${hgtiso250dev} | $pixels
+  DEVICE  = gif | ${hgtiso250dev} | ${pixels}
   TITLE   =
   TEXT    = 1/3/2/sw
-  LATLON  = $LATSOUTH
+  LATLON  = ${LATSOUTH}
   l
   r
 
@@ -458,31 +439,22 @@ $GEMEXE/gdplot2_gif << EOF
 EOF
 
 
-$GEMEXE/gpend
+"${GEMEXE}/gpend"
 
 
-if [ $SENDCOM = YES ]; then
-
 # Copy the GIF images into my area
-
-  cp ${mslpthksfcdev}   $COMOUTncdc/.
-  cp ${hgttmp500dev}    $COMOUTncdc/.
-  cp ${hgtiso300dev}    $COMOUTncdc/.
-  cp ${hgtiso250dev}    $COMOUTncdc/.
-
+cp "${mslpthksfcdev}"   "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgttmp500dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgtiso300dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
+cp "${hgtiso250dev}"    "${COM_ATMOS_GEMPAK_GIF}/."
 
 # Copy the GIF images onto the NCDC area on the public ftp server
 
- if [ $SENDDBN = YES ]; then
-
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${mslpthksfcdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgttmp500dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgtiso300dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} $COMOUTncdc/${hgtiso250dev}
-
- fi
-
+if [[ ${SENDDBN} == YES ]]; then
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${mslpthksfcdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp500dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso300dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso250dev}"
 fi
 
-
-   exit
+exit
diff --git a/gempak/ush/gempak_gfs_f000_gif.sh b/gempak/ush/gempak_gfs_f000_gif.sh
new file mode 100755
index 0000000000..6a709fcc16
--- /dev/null
+++ b/gempak/ush/gempak_gfs_f000_gif.sh
@@ -0,0 +1,584 @@
+#! /usr/bin/env bash
+
+#########################################################################
+#
+#   Script:  gempak_gfs_f00_gif.sh
+#
+#   This scripts creates GEMPAK .gif images of 00HR/Analysis fields from
+#   GFS model output for archiving at NCDC.
+#
+#
+#   History:   Ralph Jones     02/16/2005   JIF original version.
+#   History:   Steve Lilly     04/30/2008   Change font size of the Titles
+#                                           from .8 to a larger size (1 or 2)
+#
+#
+#########################################################################
+
+LATVAL="1/1/1/1/5;5"
+pixels="1728;1472"
+cp "${HOMEgfs}/gempak/fix/coltbl.spc" coltbl.xwp
+
+#################################################################
+#                       ANALYSIS CHARTS                         #
+#################################################################
+
+
+# Create time stamp (bottom) label
+
+echo "0000${PDY}${cyc}" > dates
+export FORT55="title.output"
+"${HOMEgfs}/exec/webtitle.x" < dates
+TITLE="$(cat title.output)"
+echo "TITLE = ${TITLE}"
+
+# Define labels and file names for analysis charts
+
+hgttmp700lab="700MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp700dev="gfs_700_hgt_tmp_nh_anl_${cyc}.gif"
+
+hgttmp500lab="500MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp500dev="gfs_500_hgt_tmp_nh_anl_${cyc}.gif"
+
+hgtiso300lab="300MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso300dev="gfs_300_hgt_iso_nh_anl_${cyc}.gif"
+
+hgtiso250lab="250MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso250dev="gfs_250_hgt_iso_nh_anl_${cyc}.gif"
+
+hgttmp250lab="250MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp250dev="gfs_250_hgt_tmp_nh_anl_${cyc}.gif"
+
+hgtiso200lab="200MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso200dev="gfs_200_hgt_iso_nh_anl_${cyc}.gif"
+
+# Not being used?
+# hgttmp200lab="200MB ANALYSIS  HEIGHTS/TEMPERATURE"
+# hgttmp200dev="gfs_200_hgt_tmp_nh_anl_${cyc}.gif"
+
+hgtiso100lab="100MB ANALYSIS  HEIGHTS/ISOTACHS"
+hgtiso100dev="gfs_100_hgt_iso_nh_anl_${cyc}.gif"
+
+hgttmp100lab="100MB ANALYSIS  HEIGHTS/TEMPERATURE"
+hgttmp100dev="gfs_100_hgt_tmp_nh_anl_${cyc}.gif"
+
+hgtvor500lab="500MB ANALYSIS  HEIGHTS/VORTICITY"
+hgtvor500dev="gfs_500_hgt_vor_nh_anl_${cyc}.gif"
+
+hgtvor500usdev="gfs_500_hgt_vor_uscan_anl_${cyc}.gif"
+
+mslpthksfclab="ANALYSIS  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
+mslpthksfcdev="gfs_sfc_mslp_thk_nh_anl_${cyc}.gif"
+
+mslpthksfcusdev="gfs_sfc_mslp_thk_uscan_anl_${cyc}.gif"
+
+rhvvel700lab="700MB ANALYSIS  RH/VERT VEL"
+rhvvel700dev="gfs_700_rh_vvel_nh_anl_${cyc}.gif"
+
+liftlab="ANALYSIS  LIFTED INDEX"
+liftdev="gfs_lift_nh_anl_${cyc}.gif"
+
+prswshtroplab="TROPOPAUSE PRESSURE/WIND SHEAR"
+prswshtropdev="gfs_trop_prs_wsh_nh_anl_${cyc}.gif"
+
+# Set grid date and input file name
+
+gdattim=${PDY:2:6}/${cyc}00F000
+gdfile=gem_grids${fhr3}.gem
+
+#  Execute the GEMPAK program
+
+"${GEMEXE}/gdplot2_gif" << EOF
+
+! 700MB HEIGHTS/TEMPERATURES
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/700_hgt_tmp.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgttmp700dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgttmp700lab}
+  l
+  r
+
+
+! 500MB HEIGHTS/TEMPERATURES
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/500_hgt_tmp.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgttmp500dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgttmp500lab}
+  l
+  r
+
+
+! 300MB HEIGHTS/ISOTACHS
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/300_hgt_iso.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtiso300dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = 1/1/1/1/5;5             !
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgtiso300lab}
+  l
+  r
+
+
+! 250MB HEIGHTS/TEMPERATURES
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/250_hgt_tmp.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgttmp250dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgttmp250lab}
+  l
+  r
+
+
+! 250MB ANALYSIS HEIGHTS/ISOTACHS
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/250_hgt_iso.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtiso250dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  MAP     = 0
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgtiso250lab}
+  l
+  r
+
+
+! 200MB HEIGHTS/ISOTACHS
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/200_hgt_iso.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtiso200dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = 1/1/1/1/5;5             !
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgtiso200lab}
+  l
+  r
+
+
+! 100MB HEIGHTS/TEMPERATURES
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/100_hgt_tmp.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgttmp100dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgttmp100lab}
+  l
+  r
+
+
+! 100MB HEIGHTS/ISOTACHS
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/100_hgt_iso.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtiso100dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = 1/1/1/1/5;5             !
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgtiso100lab}
+  l
+  r
+
+
+! ANALYSIS MSLP/1000-500 THICKNESS
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/sfc_mslp_thk.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${mslpthksfcdev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  MAP     = 0
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${mslpthksfclab}
+  l
+  r
+
+
+! ANALYSIS MSLP/1000-500 THICKNESS (US/CANADA)
+
+  restore ${NTS}/base_uscan.nts
+  restore ${NTS}/sfc_mslp_thk.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${mslpthksfcusdev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  MAP     = 0
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${mslpthksfclab}
+  l
+  r
+
+! 500MB ANALYSIS  HEIGHTS/VORTICITY
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/500_hgt_vor.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtvor500dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  MAP     = 0
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgtvor500lab}
+  l
+  r
+
+! 500MB ANALYSIS  HEIGHTS/VORTICITY (US/CANADA)
+
+  restore ${NTS}/base_uscan.nts
+  restore ${NTS}/500_hgt_vor.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtvor500usdev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+
+  TITLE   = 1/3/${hgtvor500lab}
+  l
+  r
+
+
+! ANALYSIS  LIFTED INDEX
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/100_lift.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${liftdev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${liftlab}
+  l
+  r
+
+
+! ANALYSIS  TROPOPAUSE PRESSURE/WIND SHEAR
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/trop_pres_wshr.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${prswshtropdev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${prswshtroplab}
+  l
+  r
+
+
+! ANALYSIS 700MB RELATIVE HUMIDITY AND VERTICAL VELOCITY
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/700_rel_vvel.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${rhvvel700dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${rhvvel700lab}
+  l
+  r
+
+  exit
+EOF
+
+
+"${GEMEXE}/gpend"
+
+
+# Copy the GIF images into my area
+cp "${hgttmp700dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgttmp500dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtiso300dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtiso250dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgttmp250dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtiso200dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtiso100dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgttmp100dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${mslpthksfcdev}"   "${COM_ATMOS_GEMPAK_GIF}"
+cp "${mslpthksfcusdev}" "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtvor500dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtvor500usdev}"  "${COM_ATMOS_GEMPAK_GIF}"
+cp "${liftdev}"         "${COM_ATMOS_GEMPAK_GIF}"
+cp "${prswshtropdev}"   "${COM_ATMOS_GEMPAK_GIF}"
+cp "${rhvvel700dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+
+# Copy the GIF images onto the NCDC area on the public ftp server
+
+if [[ "${SENDDBN}" == "YES" ]]; then
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp700dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp500dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso300dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso250dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp250dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso200dev}"
+# "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp200dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtiso100dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgttmp100dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${mslpthksfcdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${mslpthksfcusdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtvor500dev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtvor500usdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${liftdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${prswshtropdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${rhvvel700dev}"
+
+
+
+fi
+
+# Convert the 500mb NH Hgts/Temps chart to tif, attach a heading and
+#   send to TOC via the NTC
+
+export input=${COM_ATMOS_GEMPAK_GIF}/${hgttmp500dev}
+export HEADER=YES
+export OUTPATH=${DATA}/gfs_500_hgt_tmp_nh_anl_${cyc}.tif
+"${USHgfs}/make_tif.sh"
+
+exit
diff --git a/gempak/ush/gempak_gfs_f00_gif.sh b/gempak/ush/gempak_gfs_f00_gif.sh
deleted file mode 100755
index ad16958be2..0000000000
--- a/gempak/ush/gempak_gfs_f00_gif.sh
+++ /dev/null
@@ -1,596 +0,0 @@
-#!/bin/sh
-
-#########################################################################
-#
-#   Script:  gempak_gfs_f00_gif.sh
-#
-#   This scripts creates GEMPAK .gif images of 00HR/Analysis fields from
-#   GFS model output for archiving at NCDC.
-#
-#
-#   History:   Ralph Jones     02/16/2005   JIF original version.
-#   History:   Steve Lilly     04/30/2008   Change font size of the Titles
-#                                           from .8 to a larger size (1 or 2)
-#
-#
-#########################################################################
-
-  set -x
-
-  MAPAREA="normal"
-
-  LATVAL="1/1/1/1/5;5"
-
-  pixels="1728;1472"
-
-  cp ${HOMEgfs}/gempak/fix/coltbl.spc coltbl.xwp
-
-#################################################################
-#                       ANALYSIS CHARTS                         # 
-#################################################################
-
-
-# Create time stamp (bottom) label 
-
-  echo 0000${PDY}${cyc} > dates
-  export FORT55="title.output"
-#  $WEBTITLE < dates
-  ${UTILgfs}/exec/webtitle < dates
-  export TITLE=$(cat title.output)
-  echo "\n\n TITLE = $TITLE \n"
-
-# Define labels and file names for analysis charts
-
-  hgttmp700lab="700MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp700dev="gfs_700_hgt_tmp_nh_anl_${cyc}.gif"
-
-  hgttmp500lab="500MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp500dev="gfs_500_hgt_tmp_nh_anl_${cyc}.gif"
-
-  hgtiso500lab="500MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso500dev="gfs_500_hgt_iso_nh_anl_${cyc}.gif"
-
-  hgtiso300lab="300MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso300dev="gfs_300_hgt_iso_nh_anl_${cyc}.gif"
-
-  hgtiso250lab="250MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso250dev="gfs_250_hgt_iso_nh_anl_${cyc}.gif"
-
-  hgttmp250lab="250MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp250dev="gfs_250_hgt_tmp_nh_anl_${cyc}.gif"
-
-  hgtiso200lab="200MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso200dev="gfs_200_hgt_iso_nh_anl_${cyc}.gif"
-
-  hgttmp200lab="200MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp200dev="gfs_200_hgt_tmp_nh_anl_${cyc}.gif"
-
-  hgtiso100lab="100MB ANALYSIS  HEIGHTS/ISOTACHS"
-  hgtiso100dev="gfs_100_hgt_iso_nh_anl_${cyc}.gif"
-
-  hgttmp100lab="100MB ANALYSIS  HEIGHTS/TEMPERATURE"
-  hgttmp100dev="gfs_100_hgt_tmp_nh_anl_${cyc}.gif"
-
-  hgtvor500lab="500MB ANALYSIS  HEIGHTS/VORTICITY"
-  hgtvor500dev="gfs_500_hgt_vor_nh_anl_${cyc}.gif"
-
-  hgtvor500usdev="gfs_500_hgt_vor_uscan_anl_${cyc}.gif"
-
-  mslpthksfclab="ANALYSIS  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
-  mslpthksfcdev="gfs_sfc_mslp_thk_nh_anl_${cyc}.gif"
- 
-  mslpthksfcusdev="gfs_sfc_mslp_thk_uscan_anl_${cyc}.gif"
-
-  rhvvel700lab="700MB ANALYSIS  RH/VERT VEL"
-  rhvvel700dev="gfs_700_rh_vvel_nh_anl_${cyc}.gif"
-
-  liftlab="ANALYSIS  LIFTED INDEX"
-  liftdev="gfs_lift_nh_anl_${cyc}.gif"
-
-  prswshtroplab="TROPOPAUSE PRESSURE/WIND SHEAR"
-  prswshtropdev="gfs_trop_prs_wsh_nh_anl_${cyc}.gif"
-
-# Set grid date and input file name
-
-  gdattim=$(echo ${PDY} | cut -c3-8)/${cyc}00F000
-  gdfile=gem_grids${fhr}.gem
-
-#  Execute the GEMPAK program
-
-  $GEMEXE/gdplot2_gif << EOF
-
-! 700MB HEIGHTS/TEMPERATURES
-
-  restore $NTS/base_nh.nts
-  restore $NTS/700_hgt_tmp.nts
-
-  CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
-  MAP     = 1
-  DEVICE  = gif | ${hgttmp700dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/$TITLE
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgttmp700lab}
-  l
-  r
-
-
-! 500MB HEIGHTS/TEMPERATURES
-
-  restore $NTS/base_nh.nts
-  restore $NTS/500_hgt_tmp.nts
-
-  CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
-  MAP     = 1
-  DEVICE  = gif | ${hgttmp500dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/$TITLE
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgttmp500lab}
-  l
-  r
-
-
-! 300MB HEIGHTS/ISOTACHS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/300_hgt_iso.nts
-
-  CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
-  MAP     = 1
-  DEVICE  = gif | ${hgtiso300dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = 1/1/1/1/5;5             !
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/$TITLE
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtiso300lab}
-  l
-  r
-
-
-! 250MB HEIGHTS/TEMPERATURES
-
-  restore $NTS/base_nh.nts
-  restore $NTS/250_hgt_tmp.nts
-
-  CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
-  MAP     = 1
-  DEVICE  = gif | ${hgttmp250dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/$TITLE
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgttmp250lab}
-  l
-  r
-
-
-! 250MB ANALYSIS HEIGHTS/ISOTACHS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/250_hgt_iso.nts
-
-  CLEAR   = yes 
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1                       
-  DEVICE  = gif | ${hgtiso250dev} | $pixels 
-  TITLE   = 
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL 
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtiso250lab}
-  l
-  r
-
-
-! 200MB HEIGHTS/ISOTACHS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/200_hgt_iso.nts
-
-  CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
-  MAP     = 1
-  DEVICE  = gif | ${hgtiso200dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = 1/1/1/1/5;5             !
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/$TITLE
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtiso200lab}
-  l
-  r
-
-
-! 100MB HEIGHTS/TEMPERATURES
-
-  restore $NTS/base_nh.nts
-  restore $NTS/100_hgt_tmp.nts
-
-  CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
-  MAP     = 1
-  DEVICE  = gif | ${hgttmp100dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/$TITLE
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgttmp100lab}
-  l
-  r
-
-
-! 100MB HEIGHTS/ISOTACHS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/100_hgt_iso.nts
-
-  CLEAR   = yes
-  GDFILE  = $gdfile
-  GDATTIM = $gdattim
-  MAP     = 1
-  DEVICE  = gif | ${hgtiso100dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = 1/1/1/1/5;5             !
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/$TITLE
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtiso100lab}
-  l
-  r
-
-
-! ANALYSIS MSLP/1000-500 THICKNESS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/sfc_mslp_thk.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${mslpthksfcdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${mslpthksfclab}
-  l
-  r
-
-
-! ANALYSIS MSLP/1000-500 THICKNESS (US/CANADA)
-
-  restore $NTS/base_uscan.nts
-  restore $NTS/sfc_mslp_thk.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${mslpthksfcusdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${mslpthksfclab}
-  l
-  r
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY (US/CANADA)
-
-  restore $NTS/base_uscan.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500usdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! ANALYSIS  LIFTED INDEX
-
-  restore $NTS/base_nh.nts
-  restore $NTS/100_lift.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${liftdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${liftlab}
-  l
-  r
-
-
-! ANALYSIS  TROPOPAUSE PRESSURE/WIND SHEAR
-
-  restore $NTS/base_nh.nts
-  restore $NTS/trop_pres_wshr.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${prswshtropdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${prswshtroplab}
-  l
-  r
-
-
-! ANALYSIS 700MB RELATIVE HUMIDITY AND VERTICAL VELOCITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/700_rel_vvel.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${rhvvel700dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${rhvvel700lab}
-  l
-  r
-
-  exit
-EOF
-
-
-$GEMEXE/gpend
-
-
-if [ $SENDCOM = YES ]; then
-
-# Copy the GIF images into my area
-
-  cp ${hgttmp700dev}    ${COMOUT}
-  cp ${hgttmp500dev}    ${COMOUT}
-  cp ${hgtiso300dev}    ${COMOUT}
-  cp ${hgtiso250dev}    ${COMOUT}
-  cp ${hgttmp250dev}    ${COMOUT}
-  cp ${hgtiso200dev}    ${COMOUT}
-  cp ${hgtiso100dev}    ${COMOUT}
-  cp ${hgttmp100dev}    ${COMOUT}
-  cp ${mslpthksfcdev}   ${COMOUT}
-  cp ${mslpthksfcusdev} ${COMOUT}
-  cp ${hgtvor500dev}    ${COMOUT}
-  cp ${hgtvor500usdev}  ${COMOUT}
-  cp ${liftdev}         ${COMOUT}
-  cp ${prswshtropdev}   ${COMOUT}
-  cp ${rhvvel700dev}    ${COMOUT}
-
-# Copy the GIF images onto the NCDC area on the public ftp server
-
- if [ $SENDDBN = YES ]; then
-
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgttmp700dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgttmp500dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtiso300dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtiso250dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgttmp250dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtiso200dev}
-# $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgttmp200dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtiso100dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgttmp100dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${mslpthksfcdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${mslpthksfcusdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500dev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500usdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${liftdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${prswshtropdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${rhvvel700dev}
-
-
-# Convert the 500mb NH Hgts/Temps chart to tif, attach a heading and 
-#   send to TOC via the NTC
-
- fi
-  export input=${COMOUT}/${hgttmp500dev}
-  export HEADER=YES
-  export OUTPATH=$DATA/gfs_500_hgt_tmp_nh_anl_${cyc}.tif
-  ${USHgfs}/make_tif.sh
-fi 
-
-   exit
diff --git a/gempak/ush/gempak_gfs_f12_gif.sh b/gempak/ush/gempak_gfs_f12_gif.sh
deleted file mode 100755
index 0150affac7..0000000000
--- a/gempak/ush/gempak_gfs_f12_gif.sh
+++ /dev/null
@@ -1,207 +0,0 @@
-#!/bin/sh
-
-#########################################################################
-#
-#   Script:  gempak_gfs_f12_gif.sh
-#
-#   This scripts creates GEMPAK .gif images of 12HR forecast fields from
-#   GFS model output for archiving at NCDC.
-#
-#
-#   History:   Ralph Jones     02/16/2005   JIF original version.
-#   History:   Steve Lilly     04/30/2008   Change font size of the Titles
-#                                           from .8 to a larger size (1 or 2)
-#
-#
-#########################################################################
-
-  set -x
-
-  MAPAREA="normal"
-
-  LATVAL="1/1/1/1/5;5"
-
-  pixels="1728;1472"
-
-  cp ${HOMEgfs}/gempak/fix/coltbl.spc coltbl.xwp
- 
-##########################################################
-#                12HR FORECAST CHARTS                    #
-##########################################################
-
-
-# Create time stamp (bottom) label
-
-  echo 00${fhr}${PDY}${cyc} > dates
-  export FORT55="title.output"
-#  $WEBTITLE < dates
- ${UTILgfs}/exec/webtitle < dates
-
-  export TITLE=$(cat title.output)
-  echo "\n\n TITLE = $TITLE \n"
-
-
-# Define labels and file names for 12hr forecast charts
-
-  hgtvor500lab="500MB ${fhr}HR FORECAST  HEIGHTS/VORTICITY"
-  hgtvor500dev="gfs_500_hgt_vor_nh_f${fhr}_${cyc}.gif"
-
-  hgtvor500usdev="gfs_500_hgt_vor_uscan_f${fhr}_${cyc}.gif"
-
-  mslpthksfclab="${fhr}HR FORECAST  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
-  mslpthksfcdev="gfs_sfc_mslp_thk_nh_f${fhr}_${cyc}.gif"
-
-  rhvvel700lab="700MB ${fhr}HR FORECAST  RH/VERT VEL"
-  rhvvel700dev="gfs_700_rh_vvel_nh_f${fhr}_${cyc}.gif"
-
-# Set grid date and input file name
-
-  gdattim=$(echo ${PDY} | cut -c3-8)/${cyc}00F0${fhr}
-  gdfile=gem_grids${fhr}.gem
-
-#  Execute the GEMPAK program
-
-  $GEMEXE/gdplot2_gif << EOF
-
-! ANALYSIS MSLP/1000-500 THICKNESS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/sfc_mslp_thk.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${mslpthksfcdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${mslpthksfclab}
-  l
-  r
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY (US/CANADA)
-
-  restore $NTS/base_uscan.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500usdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! ANALYSIS 700MB RELATIVE HUMIDITY AND VERTICAL VELOCITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/700_rel_vvel.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${rhvvel700dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${rhvvel700lab}
-  l
-  r
-
-  exit
-EOF
-
-$GEMEXE/gpend
-
-if [ $SENDCOM = YES ]; then
-
-# Copy the GIF images into my area
-
-  cp ${mslpthksfcdev}   ${COMOUT}
-  cp ${hgtvor500dev}    ${COMOUT}
-  cp ${hgtvor500usdev}  ${COMOUT}
-  cp ${rhvvel700dev}    ${COMOUT}
-
-# Copy the GIF images onto the NCDC area on the public ftp server
-
- if [ $SENDDBN = YES ]; then
-
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${mslpthksfcdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500dev}
-#  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500usdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${rhvvel700dev}
-
- fi
-
-fi
-
-   exit
diff --git a/gempak/ush/gempak_gfs_f24_gif.sh b/gempak/ush/gempak_gfs_f24_gif.sh
deleted file mode 100755
index cad24de9f6..0000000000
--- a/gempak/ush/gempak_gfs_f24_gif.sh
+++ /dev/null
@@ -1,220 +0,0 @@
-#!/bin/sh
-
-
-#########################################################################
-#
-#   Script:  gempak_gfs_f24_gif.sh
-#
-#   This scripts creates GEMPAK .gif images of 24HR forecast fields from
-#   GFS model output for archiving at NCDC.
-#
-#
-#   History:   Ralph Jones     02/16/2005   JIF original version.
-#   History:   Steve Lilly     04/30/2008   Change font size of the Titles
-#                                           from .8 to a larger size (1 or 2)
-#
-#
-#########################################################################
-
-  set -x
-
-
-  MAPAREA="normal"
-
-  LATVAL="1/1/1/1/5;5"
-
-  pixels="1728;1472"
-
-  cp ${HOMEgfs}/gempak/fix/coltbl.spc coltbl.xwp
-
-
- 
-##########################################################
-#                24HR FORECAST CHARTS                    #
-##########################################################
-
-
-# Create time stamp (bottom) label
-
-  echo 00${fhr}${PDY}${cyc} > dates
-  export FORT55="title.output"
-#  $WEBTITLE < dates
- ${UTILgfs}/exec/webtitle < dates
-
-  export TITLE=$(cat title.output)
-  echo "\n\n TITLE = $TITLE \n"
-
-
-# Define labels and file names for 24hr forecast charts
-
-  hgtvor500lab="500MB ${fhr}HR FORECAST  HEIGHTS/VORTICITY"
-  hgtvor500dev="gfs_500_hgt_vor_nh_f${fhr}_${cyc}.gif"
-
-  hgtvor500usdev="gfs_500_hgt_vor_uscan_f${fhr}_${cyc}.gif"
-
-  mslpthksfclab="${fhr}HR FORECAST  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
-  mslpthksfcdev="gfs_sfc_mslp_thk_nh_f${fhr}_${cyc}.gif"
-
-  rhvvel700lab="700MB ${fhr}HR FORECAST  RH/VERT VEL"
-  rhvvel700dev="gfs_700_rh_vvel_nh_f${fhr}_${cyc}.gif"
-
-
-# Set grid date and input file name
-
-  gdattim=$(echo ${PDY} | cut -c3-8)/${cyc}00F0${fhr}
-  gdfile=gem_grids${fhr}.gem
-
-
-
-#  Execute the GEMPAK program
-
-  $GEMEXE/gdplot2_gif << EOF
-
-
-! ANALYSIS MSLP/1000-500 THICKNESS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/sfc_mslp_thk.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${mslpthksfcdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${mslpthksfclab}
-  l
-  r
-
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY (US/CANADA)
-
-  restore $NTS/base_uscan.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500usdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! ANALYSIS 700MB RELATIVE HUMIDITY AND VERTICAL VELOCITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/700_rel_vvel.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${rhvvel700dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${rhvvel700lab}
-  l
-  r
-
-  exit
-EOF
-
-
-$GEMEXE/gpend
-
-
-if [ $SENDCOM = YES ]; then
-
-# Copy the GIF images into my area
-
-  cp ${mslpthksfcdev}   ${COMOUT}
-  cp ${hgtvor500dev}    ${COMOUT}
-  cp ${hgtvor500usdev}  ${COMOUT}
-  cp ${rhvvel700dev}    ${COMOUT}
-
-
-# Copy the GIF images onto the NCDC area on the public ftp server
-
- if [ $SENDDBN = YES ]; then
-
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${mslpthksfcdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500dev}
-#  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500usdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${rhvvel700dev}
-
- fi
-
-fi
-
-   exit
diff --git a/gempak/ush/gempak_gfs_f36_gif.sh b/gempak/ush/gempak_gfs_f36_gif.sh
deleted file mode 100755
index 60644e2fa3..0000000000
--- a/gempak/ush/gempak_gfs_f36_gif.sh
+++ /dev/null
@@ -1,220 +0,0 @@
-#!/bin/sh
-
-
-#########################################################################
-#
-#   Script:  gempak_gfs_f36_gif.sh
-#
-#   This scripts creates GEMPAK .gif images of 36HR forecast fields from
-#   GFS model output for archiving at NCDC.
-#
-#
-#   History:   Ralph Jones     02/16/2005   JIF original version.
-#   History:   Steve Lilly     04/30/2008   Change font size of the Titles
-#                                           from .8 to a larger size (1 or 2)
-#
-#
-#########################################################################
-
-  set -x
-
-
-  MAPAREA="normal"
-
-  LATVAL="1/1/1/1/5;5"
-
-  pixels="1728;1472"
-
-  cp ${HOMEgfs}/gempak/fix/coltbl.spc coltbl.xwp
-
-
- 
-##########################################################
-#                36HR FORECAST CHARTS                    #
-##########################################################
-
-
-# Create time stamp (bottom) label
-
-  echo 00${fhr}${PDY}${cyc} > dates
-  export FORT55="title.output"
-#  $WEBTITLE < dates
- ${UTILgfs}/exec/webtitle < dates
-
-  export TITLE=$(cat title.output)
-  echo "\n\n TITLE = $TITLE \n"
-
-
-# Define labels and file names for 36hr forecast charts
-
-  hgtvor500lab="500MB ${fhr}HR FORECAST  HEIGHTS/VORTICITY"
-  hgtvor500dev="gfs_500_hgt_vor_nh_f${fhr}_${cyc}.gif"
-
-  hgtvor500usdev="gfs_500_hgt_vor_uscan_f${fhr}_${cyc}.gif"
-
-  mslpthksfclab="${fhr}HR FORECAST  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
-  mslpthksfcdev="gfs_sfc_mslp_thk_nh_f${fhr}_${cyc}.gif"
-
-  rhvvel700lab="700MB ${fhr}HR FORECAST  RH/VERT VEL"
-  rhvvel700dev="gfs_700_rh_vvel_nh_f${fhr}_${cyc}.gif"
-
-
-# Set grid date and input file name
-
-  gdattim=$(echo ${PDY} | cut -c3-8)/${cyc}00F0${fhr}
-  gdfile=gem_grids${fhr}.gem
-
-
-
-#  Execute the GEMPAK program
-
-  $GEMEXE/gdplot2_gif << EOF
-
-
-! ANALYSIS MSLP/1000-500 THICKNESS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/sfc_mslp_thk.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${mslpthksfcdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${mslpthksfclab}
-  l
-  r
-
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY (US/CANADA)
-
-  restore $NTS/base_uscan.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500usdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! ANALYSIS 700MB RELATIVE HUMIDITY AND VERTICAL VELOCITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/700_rel_vvel.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${rhvvel700dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${rhvvel700lab}
-  l
-  r
-
-  exit
-EOF
-
-
-$GEMEXE/gpend
-
-
-if [ $SENDCOM = YES ]; then
-
-# Copy the GIF images into my area
-
-  cp ${mslpthksfcdev}   ${COMOUT}
-  cp ${hgtvor500dev}    ${COMOUT}
-  cp ${hgtvor500usdev}  ${COMOUT}
-  cp ${rhvvel700dev}    ${COMOUT}
-
-
-# Copy the GIF images onto the NCDC area on the public ftp server
-
- if [ $SENDDBN = YES ]; then
-
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${mslpthksfcdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500dev}
-#  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500usdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${rhvvel700dev}
-
- fi
-
-fi
-
-   exit
diff --git a/gempak/ush/gempak_gfs_f48_gif.sh b/gempak/ush/gempak_gfs_f48_gif.sh
deleted file mode 100755
index b63f644ee6..0000000000
--- a/gempak/ush/gempak_gfs_f48_gif.sh
+++ /dev/null
@@ -1,220 +0,0 @@
-#!/bin/sh
-
-
-#########################################################################
-#
-#   Script:  gempak_gfs_f48_gif.sh
-#
-#   This scripts creates GEMPAK .gif images of 48HR forecast fields from
-#   GFS model output for archiving at NCDC.
-#
-#
-#   History:   Ralph Jones     02/16/2005   JIF original version.
-#   History:   Steve Lilly     04/30/2008   Change font size of the Titles
-#                                           from .8 to a larger size (1 or 2)
-#
-#
-#########################################################################
-
-  set -x
-
-
-  MAPAREA="normal"
-
-  LATVAL="1/1/1/1/5;5"
-
-  pixels="1728;1472"
-
-  cp ${HOMEgfs}/gempak/fix/coltbl.spc coltbl.xwp
-
-
- 
-##########################################################
-#                48HR FORECAST CHARTS                    #
-##########################################################
-
-
-# Create time stamp (bottom) label
-
-  echo 00${fhr}${PDY}${cyc} > dates
-  export FORT55="title.output"
-#  $WEBTITLE < dates
- ${UTILgfs}/exec/webtitle < dates
-
-  export TITLE=$(cat title.output)
-  echo "\n\n TITLE = $TITLE \n"
-
-
-# Define labels and file names for 48hr forecast charts
-
-  hgtvor500lab="500MB ${fhr}HR FORECAST  HEIGHTS/VORTICITY"
-  hgtvor500dev="gfs_500_hgt_vor_nh_f${fhr}_${cyc}.gif"
-
-  hgtvor500usdev="gfs_500_hgt_vor_uscan_f${fhr}_${cyc}.gif"
-
-  mslpthksfclab="${fhr}HR FORECAST  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
-  mslpthksfcdev="gfs_sfc_mslp_thk_nh_f${fhr}_${cyc}.gif"
-
-  rhvvel700lab="700MB ${fhr}HR FORECAST  RH/VERT VEL"
-  rhvvel700dev="gfs_700_rh_vvel_nh_f${fhr}_${cyc}.gif"
-
-
-# Set grid date and input file name
-
-  gdattim=$(echo ${PDY} | cut -c3-8)/${cyc}00F0${fhr}
-  gdfile=gem_grids${fhr}.gem
-
-
-
-#  Execute the GEMPAK program
-
-  $GEMEXE/gdplot2_gif << EOF
-
-
-! ANALYSIS MSLP/1000-500 THICKNESS
-
-  restore $NTS/base_nh.nts
-  restore $NTS/sfc_mslp_thk.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${mslpthksfcdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  MAP     = 0
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${mslpthksfclab}
-  l
-  r
-
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! 500MB ANALYSIS  HEIGHTS/VORTICITY (US/CANADA)
-
-  restore $NTS/base_uscan.nts
-  restore $NTS/500_hgt_vor.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${hgtvor500usdev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${hgtvor500lab}
-  l
-  r
-
-
-! ANALYSIS 700MB RELATIVE HUMIDITY AND VERTICAL VELOCITY
-
-  restore $NTS/base_nh.nts
-  restore $NTS/700_rel_vvel.nts
-
-  CLEAR   = yes
-  GDFILE  = ${gdfile}
-  GDATTIM = ${gdattim}
-  MAP     = 1
-  DEVICE  = gif | ${rhvvel700dev} | $pixels
-  TITLE   =
-  TEXT    = 1/2/2/c/sw 
-  LATLON  = $LATVAL
-  l
-  r
-
-  CLEAR   = no
-  GDPFUN  =
-  TITLE   = 1/-4/${TITLE}
-  TEXT    = 2/2/2/c/sw 
-  LATLON  = 0
-  l
-  r
-
-  TITLE   = 1/3/${rhvvel700lab}
-  l
-  r
-
-  exit
-EOF
-
-
-$GEMEXE/gpend
-
-
-if [ $SENDCOM = YES ]; then
-
-# Copy the GIF images into my area
-
-  cp ${mslpthksfcdev}   ${COMOUT}
-  cp ${hgtvor500dev}    ${COMOUT}
-  cp ${hgtvor500usdev}  ${COMOUT}
-  cp ${rhvvel700dev}    ${COMOUT}
-
-
-# Copy the GIF images onto the NCDC area on the public ftp server
-
- if [ $SENDDBN = YES ]; then
-
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${mslpthksfcdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500dev}
-#  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${hgtvor500usdev}
-  $DBNROOT/bin/dbn_alert MODEL NCDCGIF ${job} ${COMOUT}/${rhvvel700dev}
-
- fi
-
-fi
-
-   exit
diff --git a/gempak/ush/gempak_gfs_fhhh_gif.sh b/gempak/ush/gempak_gfs_fhhh_gif.sh
new file mode 100755
index 0000000000..33f5764068
--- /dev/null
+++ b/gempak/ush/gempak_gfs_fhhh_gif.sh
@@ -0,0 +1,189 @@
+#! /usr/bin/env bash
+
+#########################################################################
+#
+#   This scripts creates GEMPAK .gif images of forecast fields from
+#   GFS model output for archiving at NCDC.
+#
+#########################################################################
+
+LATVAL="1/1/1/1/5;5"
+pixels="1728;1472"
+cp "${HOMEgfs}/gempak/fix/coltbl.spc" coltbl.xwp
+
+##########################################################
+#                   FORECAST CHARTS                      #
+##########################################################
+
+
+# Create time stamp (bottom) label
+
+echo "0${fhr3}${PDY}${cyc}" > dates
+export FORT55="title.output"
+"${HOMEgfs}/exec/webtitle.x" < dates
+
+TITLE="$(cat title.output)"
+echo "TITLE = ${TITLE}"
+
+# Define labels and file names for forecast charts
+hgtvor500lab="500MB ${fhr3}HR FORECAST  HEIGHTS/VORTICITY"
+hgtvor500dev="gfs_500_hgt_vor_nh_f${fhr3}_${cyc}.gif"
+
+hgtvor500usdev="gfs_500_hgt_vor_uscan_f${fhr3}_${cyc}.gif"
+
+mslpthksfclab="${fhr3}HR FORECAST  MEAN SEA LEVEL PRESSURE/1000-500MB THICKNESS"
+mslpthksfcdev="gfs_sfc_mslp_thk_nh_f${fhr3}_${cyc}.gif"
+
+rhvvel700lab="700MB ${fhr3}HR FORECAST  RH/VERT VEL"
+rhvvel700dev="gfs_700_rh_vvel_nh_f${fhr3}_${cyc}.gif"
+
+
+# Set grid date and input file name
+gdattim="${PDY:2:6}/${cyc}00F${fhr3}"
+gdfile=gem_grids${fhr3}.gem
+
+#  Execute the GEMPAK program
+
+"${GEMEXE}/gdplot2_gif" << EOF
+
+
+! ANALYSIS MSLP/1000-500 THICKNESS
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/sfc_mslp_thk.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${mslpthksfcdev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  MAP     = 0
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${mslpthksfclab}
+  l
+  r
+
+
+! 500MB ANALYSIS  HEIGHTS/VORTICITY
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/500_hgt_vor.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtvor500dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgtvor500lab}
+  l
+  r
+
+
+! 500MB ANALYSIS  HEIGHTS/VORTICITY (US/CANADA)
+
+  restore ${NTS}/base_uscan.nts
+  restore ${NTS}/500_hgt_vor.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${hgtvor500usdev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${hgtvor500lab}
+  l
+  r
+
+
+! ANALYSIS 700MB RELATIVE HUMIDITY AND VERTICAL VELOCITY
+
+  restore ${NTS}/base_nh.nts
+  restore ${NTS}/700_rel_vvel.nts
+
+  CLEAR   = yes
+  GDFILE  = ${gdfile}
+  GDATTIM = ${gdattim}
+  MAP     = 1
+  DEVICE  = gif | ${rhvvel700dev} | ${pixels}
+  TITLE   =
+  TEXT    = 1/2/2/c/sw
+  LATLON  = ${LATVAL}
+  l
+  r
+
+  CLEAR   = no
+  GDPFUN  =
+  TITLE   = 1/-4/${TITLE}
+  TEXT    = 2/2/2/c/sw
+  LATLON  = 0
+  l
+  r
+
+  TITLE   = 1/3/${rhvvel700lab}
+  l
+  r
+
+  exit
+EOF
+
+"${GEMEXE}/gpend"
+
+# Copy the GIF images into my area
+
+cp "${mslpthksfcdev}"   "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtvor500dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+cp "${hgtvor500usdev}"  "${COM_ATMOS_GEMPAK_GIF}"
+cp "${rhvvel700dev}"    "${COM_ATMOS_GEMPAK_GIF}"
+
+# Copy the GIF images onto the NCDC area on the public ftp server
+
+if [[ "${SENDDBN}" == YES ]]; then
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${mslpthksfcdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtvor500dev}"
+  #  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${hgtvor500usdev}"
+  "${DBNROOT}/bin/dbn_alert" MODEL NCDCGIF "${job}" "${COM_ATMOS_GEMPAK_GIF}/${rhvvel700dev}"
+fi
+
+echo "GEMPAK_GIF ${fhr3} hour completed normally"
+
+exit
diff --git a/gempak/ush/gfs_meta_ak.sh b/gempak/ush/gfs_meta_ak.sh
index 03db6fa088..88f136ae13 100755
--- a/gempak/ush/gfs_meta_ak.sh
+++ b/gempak/ush/gfs_meta_ak.sh
@@ -1,48 +1,41 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_ak.sh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# D.W.Plummer/NCEP   3/97   Added ecmwf comparison.
-# D.W.Plummer/NCEP   3/97   Added $MAPFIL specification for lower resolution
-# D.W.Plummer/NCEP   4/97   Removed run from 3-HOURLY PRECIP
-# J. Carr/HPC        2/99   Changed skip to 0
-# B. Gordon/NCO      5/00   Modified for production on IBM-SP
-#                           Changed gdplot_nc -> gdplot2_nc
-# D. Michaud/NCO     4/01   Modified to Reflect Different Title for
-#                           Parallel runs
-# J. Carr/PMB       11/04   Added a ? to all title lines
-#                           Changed contur from a 1 to a 2.
-# M. Klein/HPC       6/07   Modify for Alaska medium-range desk and rename script.
-#
 
-cd $DATA
+source "${HOMEgfs}/ush/preamble.sh"
 
-set -xa
+cd "${DATA}" || exit 2
 
-rm -rf $DATA/ak
-mkdir -p -m 775 $DATA/ak
-cd $DATA/ak
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+rm -rf "${DATA}/ak"
+mkdir -p -m 775 "${DATA}/ak"
+cd "${DATA}/ak" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
 device="nc | gfs.meta.ak"
-PDY2=$(echo $PDY | cut -c3-)
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 fend=F216
 
-if [ "$envir" = "para" ] ; then
+if [[ "${envir}" == "para" ]] ; then
    export m_title="GFSP"
 else
    export m_title="GFS"
 fi
 
 export pgm=gdplot2_nc;. prep_step
-startmsg
 
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-GFS | ${PDY2}/${cyc}00
-GDATTIM	= F00-$fend-6
+"${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-GFS | ${PDY:2}/${cyc}00
+GDATTIM	= F00-${fend}-6
 DEVICE	= ${device}
 PANEL	= 0
 TEXT	= 1/21//hw
@@ -71,13 +64,13 @@ HLSYM   = 2;1.5//21//hw
 CLRBAR  = 1
 WIND    =
 REFVEC  =
-TITLE	= 5/-2/~ ? $m_title PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
+TITLE	= 5/-2/~ ? ${m_title} PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
 l
 run
 
 GLEVEL  = 4400:10000    !0
 GVCORD  = sgma          !none
-SKIP    = 0 
+SKIP    = 0
 SCALE   = 0
 GDPFUN  = sm5s(relh)     !pmsl
 TYPE    = c/f            !c
@@ -88,11 +81,11 @@ FLINE   = 0;24;23;22
 HILO    = 26;2/H#;L#/1018-1070;900-1012//30;30/y
 HLSYM   = 2;1.5//21//hw
 CLRBAR  = 1
-TITLE   = 5/-2/~ ? $m_title PMSL, 1000-500MB MEAN RH|~MSLP, 1000-500 MEAN RH!0
+TITLE   = 5/-2/~ ? ${m_title} PMSL, 1000-500MB MEAN RH|~MSLP, 1000-500 MEAN RH!0
 run
 
 GLEVEL  = 850
-GVCORD  = pres 
+GVCORD  = pres
 SKIP    = 0         !0         !0         !0         !0/1;-1
 SCALE   = 0         !0         !0         !-1        !0
 GDPFUN  = sm9s(tmpc)!sm9s(tmpc)!sm9s(tmpc)!sm5s(hght)!kntv(wnd)
@@ -105,7 +98,7 @@ FLINE   = 24;30;28;29;25;0;17
 HILO    =
 HLSYM   =
 WIND    = 18//1
-TITLE	= 5/-2/~ ? $m_title @ HGT, TEMPERATURE AND WIND (KTS)|~@ HGT, TMP, WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, TEMPERATURE AND WIND (KTS)|~@ HGT, TMP, WIND!0
 l
 run
 
@@ -119,7 +112,7 @@ LINE    = 8//2/0         !23//2/0        !20/1/1/1 !6/1/1/1 ! 24/5/1/1
 FINT    = 70;90
 FLINE   = 0;23;22
 WIND    =
-TITLE	= 5/-2/~ ? $m_title @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
 l
 run
 
@@ -133,8 +126,8 @@ LINE    = 7/5/1/2            ! 29/5/1/2     !5/1/2/1
 FINT    = 16;20;24;28;32;36;40;44
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!
-HLSYM   = 
-TITLE	= 5/-2/~ ? $m_title @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
+HLSYM   =
+TITLE	= 5/-2/~ ? ${m_title} @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
 l
 run
 
@@ -150,7 +143,7 @@ FLINE   = 0;25;24;29;7;15
 HILO    =
 HLSYM   =
 WIND    = 18//1
-TITLE	= 5/-2/~ ? $m_title @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
 l
 run
 
@@ -158,87 +151,88 @@ GDATTIM = F06-F180-6
 GLEVEL  = 0
 SKIP    = 0
 GVCORD  = none
-SCALE   = 0   
+SCALE   = 0
 GDPFUN  = p06i !pmsl
 TYPE    = f    !c
-CONTUR  = 2    
+CONTUR  = 2
 CINT    =      !4
 LINE    =      !5/1/1/0
 FINT    = .01;.1;.25;.5;.75;1;1.25;1.5;1.75;2;2.5;3;4;5;6;7;8;9
 FLINE   = 0;21-30;14-20;5
 HILO    =      !26;2////30;30/y
 HLSYM   =      2;1.5//21//hw
-WIND    = 
-TITLE	= 5/-2/~ ? $m_title 6-HR TOTAL PCPN, MSLP|~6-HR TOTAL PCPN, MSLP!0
+WIND    =
+TITLE	= 5/-2/~ ? ${m_title} 6-HR TOTAL PCPN, MSLP|~6-HR TOTAL PCPN, MSLP!0
 l
 run
 
-GDPFUN  = p06i 
-TYPE    = f  
+GDPFUN  = p06i
+TYPE    = f
 HILO    = 31;0/x#2////y
 HLSYM   = 1.5
-TITLE   = 5/-2/~ ? $m_title 6-HR TOTAL PCPN |~6-HR TOTAL PCPN!0
+TITLE   = 5/-2/~ ? ${m_title} 6-HR TOTAL PCPN |~6-HR TOTAL PCPN!0
 run
 
-GDATTIM = F12-$fend-06
+GDATTIM = F12-${fend}-06
 GDPFUN  = p12i  !pmsl
 TYPE    = f     !c
 HILO    =       !26;2////30;30/y
 HLSYM   =       2;1.5//21//hw
-TITLE   = 5/-2/~ ? $m_title 12-HR TOTAL PCPN, MSLP|~12-HR TOTAL PCPN, MSLP!0
+TITLE   = 5/-2/~ ? ${m_title} 12-HR TOTAL PCPN, MSLP|~12-HR TOTAL PCPN, MSLP!0
 run
 
-GDPFUN  = p12i 
+GDPFUN  = p12i
 TYPE    = f
 HILO    = 31;0/x#2////y
 HLSYM   = 1.5
-TITLE	= 5/-2/~ ? $m_title 12-HR TOTAL PCPN (IN)|~12-HR TOTAL PCPN!0
+TITLE	= 5/-2/~ ? ${m_title} 12-HR TOTAL PCPN (IN)|~12-HR TOTAL PCPN!0
 l
 run
 
 
-GDATTIM	= F24-$fend-06
+GDATTIM	= F24-${fend}-06
 GDPFUN  = p24i  !pmsl
 TYPE    = f     !c
 HILO    =       !26;2////30;30/y
 HLSYM   =       2;1.5//21//hw
-TITLE   = 5/-2/~ ? $m_title 24-HR TOTAL PCPN, MSLP|~24-HR TOTAL PCPN, MSLP!0
-run 
+TITLE   = 5/-2/~ ? ${m_title} 24-HR TOTAL PCPN, MSLP|~24-HR TOTAL PCPN, MSLP!0
+run
 
-GDPFUN  = p24i      
+GDPFUN  = p24i
 TYPE    = f
 HILO    = 31;0/x#2////y
 HLSYM   = 1.5
-TITLE	= 5/-2/~ ? $m_title 24-HR TOTAL PCPN (IN)|~24-HR TOTAL PCPN
+TITLE	= 5/-2/~ ? ${m_title} 24-HR TOTAL PCPN (IN)|~24-HR TOTAL PCPN
 run
 
 exit
 EOF
-export err=$?;err_chk
+export err=$?
 
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l gfs.meta.ak
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-
-if [ $SENDCOM = "YES" ] ; then
-  mv gfs.meta.ak ${COMOUT}/gfs_${PDY}_${cyc}_ak
-  if [ $SENDDBN = "YES" ] ; then
-    $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-     $COMOUT/gfs_${PDY}_${cyc}_ak
-    if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
-      DBN_ALERT_TYPE=GFS_METAFILE
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-       ${COMOUT}/gfs_${PDY}_${cyc}_ak
-    fi
-    if [ $fhr -eq 216 ] ; then
-     ${DBNROOT}/bin/dbn_alert MODEL GFS_METAFILE_LAST $job \
-       ${COMOUT}/gfs_${PDY}_${cyc}_ak
+if (( err != 0 )) || [[ ! -s gfs.meta.ak ]]; then
+  echo "FATAL ERROR: Failed to create alaska meta file"
+  exit "${err}"
+fi
+
+mv gfs.meta.ak "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_ak"
+export err=$?
+if (( err != 0 )) ; then
+    echo "FATAL ERROR: Failed to move meta file to ${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_ak"
+    exit $(( err + 100 ))
+fi
+
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_ak"
+    if [[ ${DBN_ALERT_TYPE} = "GFS_METAFILE_LAST" ]] ; then
+        DBN_ALERT_TYPE=GFS_METAFILE
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_ak"
     fi
-  fi
 fi
 
diff --git a/gempak/ush/gfs_meta_bwx.sh b/gempak/ush/gfs_meta_bwx.sh
index af7f43e3de..eee5f496b7 100755
--- a/gempak/ush/gfs_meta_bwx.sh
+++ b/gempak/ush/gfs_meta_bwx.sh
@@ -1,55 +1,38 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_bwx_new
 #
-# Log :
-# D.W.Plummer/NCEP     2/97   Add log header
-# J. Carr/HPC      12/12/97   Converted from gdplot to gdplot2
-# J. Carr/HPC      08/05/98   Changed map to medium resolution
-# J. Carr/HPC      02/02/99   Changed skip to 0
-# J. Carr/HPC      04/12/99   Added gfs out to 84 hrs.
-# J. Carr/HPC          6/99   Added a filter to map
-# J. Carr/HPC        1/2000   Eliminated 250 mb vort and pw field. Eliminated pv field.  Added another ptype field.
-# J. Carr/HPC        2/2001   Edited to run on the IBM.
-# J. Carr/HPC        5/2001   Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC        6/2001   Converted to a korn shell prior to delivering script to Production.
-# J. Carr/HPC        7/2001   Submitted.
-# J. Carr/PMB       11/2004   Added a ? to all title/TITLE lines.
-# M. Klein/HPC      01/2010   Extend to 180 hours
-#
 # Set up Local Variables
 #
-set -x
-#
-export PS4='BWX:$SECONDS + '
-mkdir -p -m 775 $DATA/BWX
-cd $DATA/BWX
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
 
-mdl=gfs
-MDL="GFS"
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/BWX"
+cd "${DATA}/BWX" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
 metatype="bwx"
-metaname="${mdl}_${metatype}_${cyc}.meta"
+metaname="${RUN}_${PDY}_${cyc}_us_${metatype}"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-#if [ ${cyc} -eq 00 ] ; then
-#    fend=F126
-#elif [ ${cyc} -eq 12 ] ; then
-#    fend=F126
-#else
-#    fend=F126
-#fi
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 fend=F180
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc<< EOFplt
-gdfile   = F-${MDL} | ${PDY2}/${cyc}00
+export pgm=gdplot2_nc;. prep_step
+"${GEMEXE}/gdplot2_nc" << EOFplt
+gdfile   = F-${RUN} | ${PDY:2}/${cyc}00
 gdattim  = F00-${fend}-6
 CONTUR	 = 1
 garea    = bwus
-proj     = 
+proj     =
 map      = 1/1/1/yes
 latlon   = 0
 text     = 1/22/2/hw
@@ -68,12 +51,12 @@ cint     = 4/200/308 !4/312/324 !4/328
 line     = 16/1/1    !2/1/3     !32/1/2/1
 fint     = 328;336;344;352;360;368
 fline    = 0;24;30;29;15;18;20
-hilo     = 
-hlsym    = 
+hilo     =
+hlsym    =
 clrbar   = 1/V/LL    !0
-wind     = bk0       !bk0       !bk0        !bk9/0.7/2/112 
-refvec   = 
-title    = 1/0/~ ? ${MDL} BL THTE & WIND (KTS)|~BL THTE & WIND!0
+wind     = bk0       !bk0       !bk0        !bk9/0.7/2/112
+refvec   =
+title    = 1/0/~ ? ${RUN} BL THTE & WIND (KTS)|~BL THTE & WIND!0
 l
 r
 
@@ -90,9 +73,9 @@ hilo     = 0         !0         !0         !20/H#;L#/1020-1070;900-1012
 hlsym    = 0         !0         !0         !1.3;1.3//22;22/3;3/hw
 clrbar   = 1/V/LL    !0
 wind     = bk0       !bk0       !bk0       !bk0       !bk9/0.7/2/112
-refvec   = 
-title    = 1/0/~ ? ${MDL} PMSL, BL TEMP, WIND (KTS)|~PMSL, BL TEMP, WIND!0
-r 
+refvec   =
+title    = 1/0/~ ? ${RUN} PMSL, BL TEMP, WIND (KTS)|~PMSL, BL TEMP, WIND!0
+r
 
 GLEVEL   = 1000                !1000        !0         !1000
 GVCORD   = pres                !pres        !none      !pres
@@ -110,9 +93,9 @@ HLSYM    = !!1.5;1.5//22;22/3;3/hw
 CLRBAR   = 1
 WIND     = !!!bk9/0.6/2/121/.6
 REFVEC   =
-TITLE    = 1/0/~ ? ${MDL} PMSL, 1000 MB TMP (F), FRONTOGENESIS (F)|~@ FRONTOGENESIS!0
+TITLE    = 1/0/~ ? ${RUN} PMSL, 1000 MB TMP (F), FRONTOGENESIS (F)|~@ FRONTOGENESIS!0
 r
- 
+
 glevel	 = 700       !700       !9950      !0
 gdpfun   = sm5s(kinx)!sm5s(tmpc)!sm5s(dwpf)!sm5s(pmsl)
 gvcord	 = pres      !pres      !sgma      !none
@@ -127,63 +110,63 @@ hlsym	 = !!!1.5;1.5//22;22/3;3/hw
 clrbar	 = 1/V/LL!0
 wind	 =
 refvec	 =
-title	 = 1/0/~ ? ${MDL} K INDEX, 700mb TEMP (>6 C), sfc DWPT & MSLP|~K INDEX!0
+title	 = 1/0/~ ? ${RUN} K INDEX, 700mb TEMP (>6 C), sfc DWPT & MSLP|~K INDEX!0
 r
 
-gdattim  = F06-${fend}-06  
+gdattim  = F06-${fend}-06
 glevel   = 0!500:1000!500:1000!0
-gvcord   = none!pres!pres!none 
-skip     = 0 
-scale    = 0   !-1                   !-1            !0 
+gvcord   = none!pres!pres!none
+skip     = 0
+scale    = 0   !-1                   !-1            !0
 gdpfun   = p06i!sm5s(ldf(hght)       !sm5s(ldf(hght)!sm5s(pmsl)
 type     = f   !c                    !c
 cint     =     !3/0/540              !3/543/1000    !4
-line     =     !4/5/2                !2/5/2         !19//3  
+line     =     !4/5/2                !2/5/2         !19//3
 fint     = .01;.1;.25;.5;.75;1;1.25;1.5;1.75;2;2.5;3;4;5;6;7;8;9
 fline    = 0;21-30;14-20;5
 hilo     =     !0!0!19/H#;L#/1020-1070;900-1010
 hlsym    =     !0!0!1.3;1.3//22;22/3;3/hw
 clrbar   = 1
-wind     = bk0 
+wind     = bk0
 CONTUR	 = 2
-refvec   = 
-title    = 1/0/~ ? ${MDL} 6-HR TOTAL PCPN, 1000-500mb THK |~6-HR PCPN & 1000-500 THK!0
+refvec   =
+title    = 1/0/~ ? ${RUN} 6-HR TOTAL PCPN, 1000-500mb THK |~6-HR PCPN & 1000-500 THK!0
 r
 
 gdattim  =  F00-${fend}-6
 GLEVEL	 = 700!700!700!850!850!9950!9950
 GVCORD	 = PRES!PRES!PRES!PRES!PRES!sgma!sgma
-SKIP	 = 0 
-SCALE	 = 0 
+SKIP	 = 0
+SCALE	 = 0
 GDPFUN	 = sm5s(relh)!sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)
 TYPE	 = c/f        ! c
-CINT	 = 50;70;90;95!2;-2 !200;0 !2;-2 !200;0 !2;-2 !-100;0;100    
-LINE	 = 32//1/0    !6/3/2!6/1/2 !2/3/2!2/1/2 !20/3/2!20/1/2  
+CINT	 = 50;70;90;95!2;-2 !200;0 !2;-2 !200;0 !2;-2 !-100;0;100
+LINE	 = 32//1/0    !6/3/2!6/1/2 !2/3/2!2/1/2 !20/3/2!20/1/2
 FINT	 = 50;70;90
 FLINE	 = 0;24;23;22
-HILO	 = 
-HLSYM	 = 
+HILO	 =
+HLSYM	 =
 CLRBAR	 = 1
-WIND	 = 
+WIND	 =
 REFVEC	 =
-TITLE    = 1/0/~ ? ${MDL} @ RH, T (BL yel,850 red,700 cyan)|~@ RH, R/S TEMP!0
-r 
+TITLE    = 1/0/~ ? ${RUN} @ RH, T (BL yel,850 red,700 cyan)|~@ RH, R/S TEMP!0
+r
 
 GLEVEL	 = 4400:10000!700:500!700:500!850 !850 !9950!9950
 GVCORD	 = SGMA      !PRES   !PRES   !PRES!PRES!SGMA!SGMA
-SCALE	 = 0!3!3!0  
+SCALE	 = 0!3!3!0
 GDPFUN	 = sm5s(relh)!sm5s(lav(omeg))!sm5s(lav(omeg))!sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)
 TYPE	 = c/f        ! c
-CINT	 = 50;70;90;95!1/1!-1;-3;-5;-7;-9;-11;-13;-15;-17;-19;-21!2;-2!200;0!2;-2!200;0    
-LINE	 = 32//2/0    !30/10/3!6/1/2 !2/3/2!2/1/2 !20/3/2!20/1/2  
+CINT	 = 50;70;90;95!1/1!-1;-3;-5;-7;-9;-11;-13;-15;-17;-19;-21!2;-2!200;0!2;-2!200;0
+LINE	 = 32//2/0    !30/10/3!6/1/2 !2/3/2!2/1/2 !20/3/2!20/1/2
 FINT	 = 50;70;90
 FLINE	 = 0;24;23;22
-HILO	 = 
-HLSYM	 = 
+HILO	 =
+HLSYM	 =
 CLRBAR   = 1
-WIND	 = 
+WIND	 =
 REFVEC	 =
-TITLE    = 1/0/~ ? ${MDL} @ RH,T (BL yel,850 red),7-500 VV|~@ RH,R/S T,VV!0
+TITLE    = 1/0/~ ? ${RUN} @ RH,T (BL yel,850 red),7-500 VV|~@ RH,R/S T,VV!0
 r
 
 glevel	 = 0!0!0!0!700:500         !4400:10000
@@ -197,7 +180,7 @@ line	 = 22/1/2/0!4/1/2/0!7/1/2/0!2/1/2/0!6/1/3!21/1/3
 fint	 = 50;200!50;200!50;200!50;200
 fline	 = 0;23;23!0;25;25!0;30;30!0;15;15
 clrbar	 =
-title	 = 1/0/~ ? ${MDL} PCPN TYPE, 1000-500 RH & 7-500 VV|~PCPN TYPE & VV!0
+title	 = 1/0/~ ? ${RUN} PCPN TYPE, 1000-500 RH & 7-500 VV|~PCPN TYPE & VV!0
 r
 
 glevel	 = 0           !0           !0           !0
@@ -211,7 +194,7 @@ line	 = 22/1/2/0    !4/1/2/0     !7/1/2/0     !2/1/2/0
 fint	 = 50;200      !50;200      !50;200      !50;200
 fline	 = 0;23;23     !0;25;25     !0;30;30     !0;15;15
 clrbar	 =
-title	 = 1/0/~ ? ${MDL} PCPN TYPE|~PCPN TYPE!0
+title	 = 1/0/~ ? ${RUN} PCPN TYPE|~PCPN TYPE!0
 r
 
 GLEVEL   = 500
@@ -230,7 +213,7 @@ HLSYM    =
 CLRBAR   = 1
 WIND     = !!!am1/.2/1/121/.4
 REFVEC   =
-TITLE    = 1/0/~ ? ${MDL} @ HGHT, TEMP & WIND|~500 HGHT,TMP,WIND!0
+TITLE    = 1/0/~ ? ${RUN} @ HGHT, TEMP & WIND|~500 HGHT,TMP,WIND!0
 TEXT     = 1/21//hw
 MAP      = 11/1/2/yes
 STNPLT   =
@@ -266,9 +249,9 @@ FLINE    = 0         !0;24;25;30;29;28;27     !11;12;2;10;15;14;0
 HILO     = 0         !0                       !0                       !5/H#;L#
 HLSYM    = 0         !                        !0                       !1.5//21//hw
 CLRBAR   = 0         !0                       !1                       !0
-WIND     = 
-REFVEC   = 
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+WIND     =
+REFVEC   =
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 TEXT     = 1/21////hw
 CLEAR    = YES
 l
@@ -276,59 +259,59 @@ run
 
 GDATTIM  = f24
 GDPFUN   = sm5s(hght)!(sub(hght^f24,hght^f12))!(sub(hght^f24,hght^f12))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
-run 
+run
 
 GDATTIM  = f36
 GDPFUN   = sm5s(hght)!(sub(hght^f36,hght^f24))!(sub(hght^f36,hght^f24))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
 GDATTIM  = f48
 GDPFUN   = sm5s(hght)!(sub(hght^f48,hght^f36))!(sub(hght^f48,hght^f36))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
 GDATTIM  = f60
 GDPFUN   = sm5s(hght)!(sub(hght^f60,hght^f48))!(sub(hght^f60,hght^f48))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
 GDATTIM  = f72
 GDPFUN   = sm5s(hght)!(sub(hght^f72,hght^f60))!(sub(hght^f72,hght^f60))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
 GDATTIM  = f84
 GDPFUN   = sm5s(hght)!(sub(hght^f84,hght^f72))!(sub(hght^f84,hght^f72))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
 GDATTIM  = f96
 GDPFUN   = sm5s(hght)!(sub(hght^f96,hght^f84))!(sub(hght^f96,hght^f84))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
 GDATTIM  = f108
 GDPFUN   = sm5s(hght)!(sub(hght^f108,hght^f96))!(sub(hght^f108,hght^f96))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
 GDATTIM  = f120
 GDPFUN   = sm5s(hght)!(sub(hght^f120,hght^f108))!(sub(hght^f120,hght^f108))!sm5s(hght)
-TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${MDL} @ MB 12-HR HGT FALLS!0
+TITLE    = 1/-1/~ ? ${RUN} @ MB HGT|~500 HGT CHG!1/-2/~ ? ${RUN} @ MB 12-HR HGT FALLS!0
 l
 run
 
-MAP      = 4/1/2/yes 
+MAP      = 4/1/2/yes
 garea    = 38.5;-91.3;51.4;-71.4
 proj     = nps//3;3;0;1
 GDATTIM  = F00-${fend}-6
@@ -346,31 +329,32 @@ hlsym	 = 0
 clrbar	 = 1/V/LL        !0
 wind	 = bk0           !bk0                  !bk0       !bk0        !bk9/0.9/2/112
 refvec	 =
-title	 = 1/0/~ ? ${MDL} 720-940 MB AVG RH,BL1 WND,850 MB OMG,850-2m dT,850 T|~GR LAKE!0
+title	 = 1/0/~ ? ${RUN} 720-940 MB AVG RH,BL1 WND,850 MB OMG,850-2m dT,850 T|~GR LAKE!0
 FILTER   = y
 r
 
 exit
 EOFplt
-export err=$?;err_chk
+export err=$?
+
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
+if (( err != 0 )) || [[ ! -s "${metaname}" ]]; then
+    echo "FATAL ERROR: Failed to create bwx meta file"
+    exit $(( err + 100 ))
+fi
 
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${metaname}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${metaname}"
+    if [[ ${DBN_ALERT_TYPE} = "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-      fi
-   fi
+            "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+                "${COM_ATMOS_GEMPAK_META}/${metaname}"
+    fi
 fi
 exit
diff --git a/gempak/ush/gfs_meta_comp.sh b/gempak/ush/gfs_meta_comp.sh
index e033d11bd8..5f01de5d48 100755
--- a/gempak/ush/gfs_meta_comp.sh
+++ b/gempak/ush/gfs_meta_comp.sh
@@ -1,184 +1,161 @@
-#! /bin/sh
+#! /usr/bin/env bash
 # Metafile Script : gfs_meta_comp.sh
 #
-# This is a script which creates a metafile that runs a comparison of 500 MB 
-# heights and PMSL between the older GFS model run and the newer one. The 
+# This is a script which creates a metafile that runs a comparison of 500 MB
+# heights and PMSL between the older GFS model run and the newer one. The
 # metafile also generates a comparison between the UKMET older run and the newer
 # GFS model run.
 #
-# Log :
-# J. Carr/HPC    5/12/97   Developed Script
-# J. Carr/HPC    8/05/98   Changed map to medium resolution and redefined yesterday code
-# J. Carr/HPC    2/01/99   Changed skip to 0
-# J. Carr/HPC    4/12/99   Added gfs model out to 84 hours.
-# J. Carr/HPC       6/99   put a filter on map
-# J. Carr/HPC     4/2000   Upped the eta comp to 60 hrs.
-# J. Carr/HPC     2/2001   Edited to run on the IBM.
-# J. Carr/HPC     5/2001   Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC     7/2001   Added more comparison times.
-# J. Carr/HPC     7/2001   Converted to a korn shell prior to delivering script to Production.
-# J. Carr/HPC     7/2001   Submitted.
-# J. Carr/HPC    11/2004   Changed all eta/ETA entries to nam/NAM.
-#                          Inserted a ? in all title/TITLE lines.
-#
 # Set up Local Variables
 #
-set -x
-#
-export PS4='COMP:$SECONDS + '
-rm -Rf $DATA/COMP $DATA/GEMPAK_META_COMP
-mkdir -p -m 775 $DATA/COMP  $DATA/GEMPAK_META_COMP
-cd $DATA/COMP
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
 
-export COMPONENT=${COMPONENT:-atmos}
+source "${HOMEgfs}/ush/preamble.sh"
+
+rm -Rf "${DATA}/COMP" "${DATA}/GEMPAK_META_COMP"
+mkdir -p -m 775 "${DATA}/COMP"  "${DATA}/GEMPAK_META_COMP"
+cd "${DATA}/COMP" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
 mdl=gfs
 MDL=GFS
 metatype="comp"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
-#
-#XXW export MODEL=$COMROOT/nawips/prod
-# BV export MODEL=$COMROOT/nawips/${envir}
-# BV export HPCGFS=${MODEL}/${mdl}.$PDY
-export HPCGFS=${COMINgempak}/${mdl}.${PDY}/${cyc}/${COMPONENT}/gempak
-export COMIN00=${COMINgempak}/${mdl}.${PDY}/00/${COMPONENT}/gempak
-export COMIN06=${COMINgempak}/${mdl}.${PDY}/06/${COMPONENT}/gempak
-export COMIN12=${COMINgempak}/${mdl}.${PDY}/12/${COMPONENT}/gempak
-export COMIN18=${COMINgempak}/${mdl}.${PDY}/18/${COMPONENT}/gempak
-if [ ${cyc} -eq 00 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_COMP
-elif [ ${cyc} -eq 06 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_COMP
-   cp $COMIN06/gfs_${PDY}06f* $DATA/GEMPAK_META_COMP
-elif [ ${cyc} -eq 12 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_COMP
-   cp $COMIN06/gfs_${PDY}06f* $DATA/GEMPAK_META_COMP
-   cp $COMIN12/gfs_${PDY}12f* $DATA/GEMPAK_META_COMP
-elif [ ${cyc} -eq 18 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_COMP
-   cp $COMIN06/gfs_${PDY}06f* $DATA/GEMPAK_META_COMP
-   cp $COMIN12/gfs_${PDY}12f* $DATA/GEMPAK_META_COMP
-   cp $COMIN18/gfs_${PDY}18f* $DATA/GEMPAK_META_COMP
-fi
-export COMIN=$DATA/GEMPAK_META_COMP
 
-#XXW export HPCNAM=${MODEL}/nam.$PDY
-#XXW export HPCNGM=${MODEL}/ngm.$PDY
-# BV export HPCNAM=$COMROOT/nawips/prod/nam.$PDY
-export HPCNAM=${COMINnam}.$PDY/gempak
+export COMIN="gfs.multi"
+mkdir "${COMIN}"
+for cycle in $(seq -f "%02g" -s ' ' 0  "${STEP_GFS}" "${cyc}"); do
+    YMD=${PDY} HH=${cycle} GRID="1p00" generate_com gempak_dir:COM_ATMOS_GEMPAK_TMPL
+    for file_in in "${gempak_dir}/gfs_1p00_${PDY}${cycle}f"*; do
+        file_out="${COMIN}/$(basename "${file_in}")"
+        if [[ ! -L "${file_out}" ]]; then
+            ln -sf "${file_in}" "${file_out}"
+        fi
+    done
+done
+
+export HPCNAM="nam.${PDY}"
+if [[ ! -L ${HPCNAM} ]]; then
+    ln -sf "${COMINnam}/nam.${PDY}/gempak" "${HPCNAM}"
+fi
 
-# export HPCNGM=$COMROOT/nawips/prod/ngm.$PDY
 #
 # DEFINE YESTERDAY
-PDYm1=$($NDATE -24 ${PDY}${cyc} | cut -c -8)
-PDY2m1=$(echo $PDYm1 | cut -c 3-)
+PDYm1=$(date --utc +%Y%m%d -d "${PDY} - 24 hours")
 #
 # DEFINE 2 DAYS AGO
-PDYm2=$($NDATE -48 ${PDY}${cyc} | cut -c -8)
-PDY2m2=$(echo $PDYm2 | cut -c 3-)
-#
-# DEFINE 3 DAYS AGO
-PDYm3=$($NDATE -72 ${PDY}${cyc} | cut -c -8)
-PDY2m3=$(echo $PDYm3 | cut -c 3-)
-#
-# THE 1200 UTC CYCLE
-#
-if [ ${cyc} -eq 12 ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in US NP
-    do
-        if [ ${gareas} = US ] ; then
+PDYm2=$(date --utc +%Y%m%d -d "${PDY} - 48 hours")
+
+grid="F-${MDL} | ${PDY:2}/${cyc}00"
+for gareas in US NP; do
+    case ${gareas} in
+        US)
             garea="bwus"
             proj=" "
             latlon="0"
-        elif [ ${gareas} = NP ] ; then
+            ;;
+        NP)
             garea="5;-177;45;-72"
             proj="STR/90.0;-155.0;0.0"
             latlon="1/1/1/1/10"
+            ;;
+        *)
+            echo "FATAL ERROR: Unknown domain"
+            exit 100
+    esac
+
+    case ${cyc} in
+        00 | 12)
+            offsets=(6 12 24 48)
+            contours=1
+            type_param="CTYPE"
+            ex=""
+            ;;
+        06 | 18)
+            offsets=(6 12 18 24)
+            contours=2
+            type_param="TYPE"
+            ex="ex"
+            ;;
+        *)
+            echo "FATAL ERROR: Invalid cycle ${cyc} passed to ${BASH_SOURCE[0]}"
+            ;;
+    esac
+
+    for offset in "${offsets[@]}"; do
+        init_time=$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - ${offset} hours")
+        init_PDY=${init_time:0:8}
+        init_cyc=${init_time:8:2}
+
+        if (( init_time <= SDATE )); then
+            echo "Skipping generation for ${init_time} because it is before the experiment began"
+            if (( offset == "${offsets[0]}" )); then
+                echo "First forecast time, no metafile produced"
+                exit 0
+            fi
+            continue
         fi
-        for runtime in 06 00 12y 122d
-        do
-            if [ ${runtime} = "06" ] ; then
-                cyc2="06"
-                desc="T"
-                grid2="F-${MDL} | ${PDY2}/0600"
-                add="06"
-                testgfsfhr="120"
-            elif [ ${runtime} = "00" ] ; then
-                cyc2="00"
-                desc="T"
-                grid2="F-${MDL} | ${PDY2}/0000"
-                add="12"
-                testgfsfhr="114"
-            elif [ ${runtime} = "12y" ] ; then
-                cyc2="12"
-                desc="Y"
-                #XXW export HPCGFS=${MODEL}/gfs.${PDYm1}
-                # BV export HPCGFS=$COMROOT/nawips/${envir}/gfs.${PDYm1}
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
 
-                grid2="F-GFSHPC | ${PDY2m1}/1200"
-                add="24"
-                testgfsfhr="102"
-            elif [ ${runtime} = "122d" ] ; then
-                cyc2="12"
-                desc="Y2"
-                #XXW export HPCGFS=${MODEL}/gfs.${PDYm2}
-                # BV export HPCGFS=$COMROOT/nawips/${esnvir}/gfs.${PDYm2}
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm2}/${cyc2}/${COMPONENT}/gempak
+        # Create symlink in DATA to sidestep gempak path limits
+        HPCGFS="${RUN}.${init_time}"
+        if [[ ! -L ${HPCGFS} ]]; then
+            YMD="${init_PDY}" HH="${init_cyc}" GRID="1p00" generate_com source_dir:COM_ATMOS_GEMPAK_TMPL
+            ln -sf "${source_dir}" "${HPCGFS}"
+        fi
 
-                grid2="F-GFSHPC | ${PDY2m2}/1200"
-                add="48"
-                testgfsfhr="96"
-            fi
+        if [[ ${init_PDY} == "${PDY}" ]]; then
+            desc="T"
+        elif [[ ${init_PDY} == "${PDYm1}" ]]; then
+            desc="Y"
+        elif [[ ${init_PDY} == "${PDYm2}" ]]; then
+            desc="Y2"
+        else
+            echo "FATAL ERROR: Unexpected offset"
+            exit 100
+        fi
+
+        testgfsfhr=$(( 126 - offset ))
+
+        for fhr in $(seq -s ' ' 0 6 126); do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            gfsoldfhr=F$(printf "%02g" $((fhr + offset)))
+            grid2="F-GFSHPC | ${init_time:2}/${init_cyc}00"
             gdpfun1="sm5s(hght)!sm5s(hght)"
             gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
             line="5/1/3/2/2!6/1/3/2/2"
             hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
             hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z ${desc} CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z ${desc} CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr=F${gfsfhr}
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
+            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${init_cyc}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${init_cyc}Z ${desc} CYAN)"
+            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${init_cyc}Z PMSL!6/-3/~ ? ${MDL} PMSL (${init_cyc}Z ${desc} CYAN)"
+            if (( fhr > testgfsfhr )); then
+                grid="F-${MDL} | ${PDY:2}/${cyc}00"
+                grid2=" "
+                gfsoldfhr=" "
+                gdpfun1="sm5s(hght)"
+                gdpfun2="sm5s(pmsl)"
+                line="5/1/3/2/2"
+                hilo1="5/H#;L#//5/5;5/y"
+                hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y"
+                title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${init_cyc}Z 500 HGT"
+                title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${init_cyc}Z PMSL"
+            fi
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+            export pgm=gdplot2_nc;. prep_step
+            "${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL= mepowo.gsf
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
 CLEAR   = yes
 GAREA   = ${garea}
-PROJ    = ${proj} 
+PROJ    = ${proj}
 LATLON  = ${latlon}
 SKIP    = 0
 PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-FINT    = 
-FLINE   = 
-REFVEC  = 
+CONTUR  = ${contours}
+CLRBAR  =
+FINT    =
+FLINE   =
+REFVEC  =
 WIND    = 0
 
 GDFILE  = ${grid}  !${grid2}
@@ -188,7 +165,7 @@ GVCORD  = PRES
 GDPFUN  = ${gdpfun1}
 LINE    = ${line}
 SCALE   = -1
-CTYPE   = c
+${type_param}   = c
 CINT    = 6
 HLSYM   = 1.2;1.2//21//hw
 TEXT    = 1/21//hw
@@ -211,22 +188,58 @@ HILO    = ${hilo2}
 TITLE   = ${title2}
 run
 
+${ex}
 EOF
-export err=$?;err_chk
-            done
+            export err=$?;err_chk
         done
-        # COMPARE THE 1200 UTC GFS MODEL TO THE 0000 UTC UKMET MODEL
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        export HPCUKMET=${COMINukmet}.${PDY}/gempak
-        grid2="F-UKMETHPC | ${PDY2}/0000"
-        # for gfsfhr in 00 12 24 36 48 60 84 108
-        for gfsfhr in 00 12 24 84 108
-        do
-            ukmetfhr=F$(expr ${gfsfhr} + 12)
-            gfsfhr=F${gfsfhr}
+    done
+
+    if (( 10#${cyc} % 12 ==0 )); then
+
+        #
+        # There are some differences between 00z and 12z
+        # The YEST string makes sense (but is inconsistently used)
+        # The others I'm not sure why they differ. - WCK
+        #
+        case ${cyc} in
+            00)
+                type_param="TYPE"
+                hlsym="1.2;1.2//21//hw"
+                wind=""
+                yest=" YEST"
+                run_cmd="run"
+                extra_cmd="\nHLSYM   = 1.2;1.2//21//hw\nTEXT    = s/21//hw"
+                ;;
+            12)
+                type_param="CTYPE"
+                hlsym="1;1//21//hw"
+                wind="0"
+                yest=""
+                run_cmd="ru"
+                extra_cmd=""
+                ;;
+            *)
+                echo "FATAL ERROR: Invalid cycle ${cyc}"
+                exit 100
+                ;;
+        esac
+
+        # COMPARE THE GFS MODEL TO THE UKMET MODEL 12-HOURS PRIOR
+        ukmet_date=$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - 12 hours")
+        ukmet_PDY=${ukmet_date:0:8}
+        ukmet_cyc=${ukmet_date:8:2}
+        export HPCUKMET=ukmet.${ukmet_PDY}
+        if [[ ! -L "${HPCUKMET}" ]]; then
+            ln -sf "${COMINukmet}/ukmet.${ukmet_PDY}/gempak" "${HPCUKMET}"
+        fi
+        grid2="F-UKMETHPC | ${ukmet_PDY:2}/${ukmet_date}"
+
+        for fhr in 0 12 24 84 108; do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            ukmetfhr=F$(printf "%02g" $((fhr + 12)))
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+            export pgm=gdplot2_nc;. prep_step
+            "${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL= mepowo.gsf
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
@@ -240,22 +253,22 @@ GDATTIM = ${gfsfhr}
 SKIP    = 0
 PANEL   = 0
 CONTUR  = 2
-CLRBAR  = 
+CLRBAR  =
 GLEVEL  = 500
 GVCORD  = PRES
 GDPFUN  = sm5s(hght)
 LINE    = 5/1/3/2
 SCALE   = -1
-CTYPE   = c
+${type_param}   = c
 CINT    = 6
-FINT    = 
-FLINE   = 
-HLSYM   = 1;1//21//hw 
+FINT    =
+FLINE   =
+HLSYM   = ${hlsym}
 TEXT    = s/21//hw
-WIND    = 0
-REFVEC  = 
+WIND    = ${wind}
+REFVEC  =
 HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (12Z YELLOW)|~${gareas} 12Z VS UK 00Z 500 HGT!0
+TITLE   = 5/-1/~ ? ${MDL} @ HGT (${cyc}Z YELLOW)|~${gareas} ${cyc}Z VS UK ${ukmet_cyc}Z 500 HGT!0
 l
 run
 
@@ -265,23 +278,23 @@ GDATTIM = ${ukmetfhr}
 GDPFUN  = sm5s(hght)
 LINE    = 6/1/3/2
 HILO    = 6/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? UKMET @ HGT (00Z CYAN)!0
+TITLE   = 6/-2/~ ? UKMET @ HGT (${ukmet_cyc}Z${yest} CYAN)!0
 l
-ru
+${run_cmd}
 
 CLEAR   = yes
 GLEVEL  = 0
 GVCORD  = none
 SCALE   = 0
 GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
+CINT    = 4${extra_cmd}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 LINE    = 5/1/3/2
 HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (12Z YELLOW)|~${gareas} 12Z VS UK 00Z PMSL!0
+TITLE   = 5/-1/~ ? ${MDL} PMSL (${cyc}Z YELLOW)|~${gareas} ${cyc}Z VS UK ${ukmet_cyc}Z PMSL!0
 l
-ru
+${run_cmd}
 
 CLEAR   = no
 GDFILE  = ${grid2}
@@ -291,426 +304,55 @@ LINE    = 6/1/3/2
 HILO    = 6/H#;L#/1018-1060;900-1012/5/10;10/y
 TITLE   = 6/-2/~ ? UKMET PMSL (00Z CYAN)!0
 l
-ru
+${run_cmd}
 
 EOF
-export err=$?;err_chk
-        done
-        # COMPARE THE 1200 UTC GFS MODEL TO THE 1200 UTC ECMWF FROM YESTERDAY
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        #XXW grid2=${MODEL}/ecmwf.${PDYm1}/ecmwf_glob_${PDYm1}12 
-        grid2=${COMINecmwf}.${PDYm1}/gempak/ecmwf_glob_${PDYm1}12 
-        for gfsfhr in 00 24 48 72 96 120
-        do
-            ecmwffhr=F$(expr ${gfsfhr} + 24)
-	    gfsfhr=F${gfsfhr}
-		
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-\$MAPFIL= mepowo.gsf
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
 
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
-GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-CTYPE   = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1;1//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    = 0              
-REFVEC  =                                                                         
-HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (12Z YELLOW)|~${gareas} 12Z VS EC Y 12Z 500 HGT!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDATTIM = ${ecmwffhr}
-GDPFUN  = sm5s(hght)
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? ECMWF @ HGT (12Z YEST CYAN)!0
-l
-run
+            export err=$?;err_chk
+        done
 
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-LINE    = 5/1/3/2
-HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (12Z YELLOW)|~${gareas} 12Z VS EC Y 12Z PMSL!0
-l
-run
+        # COMPARE THE GFS MODEL TO THE 12 UTC ECMWF FROM YESTERDAY
+        offset=$(( (10#${cyc}+12)%24 + 12 ))
+        ecmwf_date=$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - ${offset} hours")
+        ecmwf_PDY=${ecmwf_date:0:8}
+        # ecmwf_cyc=${ecmwf_date:8:2}
+        grid2=${COMINecmwf}/ecmwf.${ecmwf_PDY}/gempak/ecmwf_glob_${ecmwf_date}
 
-CLEAR   = no
-GDFILE  = ${grid2}
-GDPFUN  = sm5s(pmsl)
-GDATTIM = ${ecmwffhr}
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 6/-2/~ ? ECMWF PMSL (12Z YEST CYAN)!0
-l
-run
+        for fhr in $(seq -s ' ' $(( offset%24 )) 24 120 ); do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            ecmwffhr=F$(printf "%02g" $((fhr + 24)))
 
-EOF
-export err=$?;err_chk
-        done
-        # COMPARE THE 1200 UTC GFS MODEL TO THE 1200 UTC NAM AND NGM
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        grid2="F-NAMHPC | ${PDY2}/${cyc}00"
-        # grid2ngm="F-NGMHPC | ${PDY2}/${cyc}00"
-        for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84
-        do
-            namfhr=F${gfsfhr}
-        #   ngmfhr=F${gfsfhr}
-            gfsfhr=F${gfsfhr}
-		
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+            export pgm=gdplot2_nc;. prep_step
+            "${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL= mepowo.gsf
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
 CLEAR   = yes
 GAREA   = ${garea}
 PROJ    = ${proj}
-LATLON  = ${latlon} 
+LATLON  = ${latlon}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 
-SKIP    = 0            
+SKIP    = 0
 PANEL   = 0
 CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
-GDPFUN  = sm5s(hght)
-LINE    = 3/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1;1//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
-HILO    = 3/H#;L#//5/5;5/y
-TITLE   = 3/-1/~ ? ${MDL} @ HGT (12Z YELLOW)|~${gareas} ${MDL}/NAM/NGM 500 HGT!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDATTIM = ${namfhr}
+CLRBAR  =
+GLEVEL  = 500
+GVCORD  = PRES
 GDPFUN  = sm5s(hght)
 LINE    = 5/1/3/2
-HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-2/~ ? NAM @ HGT (12Z CYAN)!0
-l
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-LINE    = 3/1/3/2
-HILO    = 3/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 3/-1/~ ? ${MDL} PMSL (12Z YELLOW)|~${gareas} ${MDL}/NAM/NGM PMSL!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDPFUN  = sm5s(pmsl)
-GDATTIM = ${namfhr}
-LINE    = 5/1/3/2
-HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-2/~ ? NAM PMSL (12Z CYAN)!0
-l
-run
-
-EOF
-export err=$?;err_chk
-        done
-    done
-fi
-
-if [ ${cyc} -eq 00 ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in US NP 
-    do
-        if [ ${gareas} = US ] ; then
-            garea="bwus" 
-            proj=" "
-            latlon="0"
-        elif [ ${gareas} = NP ] ; then
-            garea="5;-177;45;-72"
-            proj="STR/90.0;-155.0;0.0"
-            latlon="1/1/1/1/10"
-        fi
-        for runtime in 18 12 00y 002d
-        do
-            if [ ${runtime} = "18" ] ; then
-                cyc2="18"
-                desc="Y"
-# BV            export HPCGFS=${MODEL}/gfs.${PDYm1}
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/1800"
-                add="06"
-                testgfsfhr="120"
-            elif [ ${runtime} = "12" ] ; then
-                cyc2="12"
-                desc="Y"
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/1200"
-                add="12"
-                testgfsfhr="114"
-            elif [ ${runtime} = "00y" ] ; then
-                cyc2="00"
-                desc="Y"
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/0000"
-                add="24"
-                testgfsfhr="102"
-            elif [ ${runtime} = "002d" ] ; then
-                cyc2="00"
-                desc="Y2"
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm2}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m2}/0000"
-                add="48"
-                testgfsfhr="96"
-            fi
-            gdpfun1="sm5s(hght)!sm5s(hght)"
-            gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
-            line="5/1/3/2/2!6/1/3/2/2"
-            hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
-            hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z ${desc} CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z ${desc} CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr=F${gfsfhr}
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
-
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-\$MAPFIL= mepowo.gsf
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj} 
-LATLON  = ${latlon}
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-FINT    = 
-FLINE   = 
-REFVEC  =                                                                         
-WIND    = 0 
-
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-GLEVEL  = 500                                                                    
-GVCORD  = PRES
-GDPFUN  = ${gdpfun1}
-LINE    = ${line}
 SCALE   = -1
-CTYPE   = c
+${type_param}   = c
 CINT    = 6
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-HILO    = ${hilo1}
-TITLE   = ${title1}
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = ${gdpfun2}
-CINT    = 4
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-LINE    = ${line}
-HILO    = ${hilo2}
-TITLE   = ${title2}
-run
-
-EOF
-export err=$?;err_chk
-            done
-        done
-        # COMPARE THE 0000 UTC GFS MODEL TO THE 1200 UTC UKMET FROM YESTERDAY
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        export HPCUKMET=${COMINukmet}.${PDYm1}/gempak
-        grid2="F-UKMETHPC | ${PDY2m1}/1200"
-        # for gfsfhr in 00 12 24 36 48 60 84 108
-        for gfsfhr in 00 12 24 84 108
-        do
-            ukmetfhr=F$(expr ${gfsfhr} + 12)
-            gfsfhr=F${gfsfhr}
-	    
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-\$MAPFIL= mepowo.gsf
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
-GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1.2;1.2//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
-HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HEIGHTS (00Z YELLOW)|~${gareas} 00Z VS UK Y 12Z 500 HGT!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDATTIM = ${ukmetfhr}
-GDPFUN  = sm5s(hght)
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? UKMET @ HEIGHTS (12Z YEST CYAN)!0
-l
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-HLSYM   = 1.2;1.2//21//hw                                                           
-TEXT    = s/21//hw                                                                
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-LINE    = 5/1/3/2
-HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (00Z YELLOW) |~${gareas} 00Z VS UK Y 12Z PMSL!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDPFUN  = sm5s(pmsl)
-GDATTIM = ${ukmetfhr}
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 6/-2/~ ? UKMET PMSL (12Z YEST CYAN)!0
-l
-run
-
-EOF
-export err=$?;err_chk
-        done
-        # COMPARE THE 0000 UTC GFS MODEL TO THE 1200 UTC ECMWF FROM YESTERDAY
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        # JY grid2="$COMROOT/nawips/prod/ecmwf.${PDYm1}/ecmwf_glob_${PDYm1}12"
-        grid2="${COMINecmwf}.${PDYm1}/gempak/ecmwf_glob_${PDYm1}12"
-        for gfsfhr in 12 36 60 84 108
-        do
-            ecmwffhr=F$(expr ${gfsfhr} + 12)
-            gfsfhr=F${gfsfhr}
-	    
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-\$MAPFIL= mepowo.gsf
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
-GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1.2;1.2//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
+FINT    =
+FLINE   =
+HLSYM   = ${hlsym}
+TEXT    = s/21//hw
+WIND    = ${wind}
+REFVEC  =
 HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (00Z YELLOW)|~${gareas} 00Z VS EC Y 12Z 500 HGT!0
+TITLE   = 5/-1/~ ? ${MDL} @ HGT (${cyc}Z YELLOW)|~${gareas} ${cyc}Z VS EC Y 12Z 500 HGT!0
 l
 run
 
@@ -729,14 +371,12 @@ GLEVEL  = 0
 GVCORD  = none
 SCALE   = 0
 GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-HLSYM   = 1.2;1.2//21//hw                                                           
-TEXT    = s/21//hw                                                                
+CINT    = 4         ${extra_cmd}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 LINE    = 5/1/3/2
 HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (00Z YELLOW) |~${gareas} 00Z VS EC Y 12Z PMSL!0
+TITLE   = 5/-1/~ ? ${MDL} PMSL (${cyc}Z YELLOW)|~${gareas} ${cyc}Z VS EC Y 12Z PMSL!0
 l
 run
 
@@ -751,18 +391,18 @@ l
 run
 
 EOF
-export err=$?;err_chk
+
+            export err=$?;err_chk
         done
-        # COMPARE THE 0000 UTC GFS MODEL TO THE 0000 UTC NAM AND NGM
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        grid2="F-NAMHPC | ${PDY2}/${cyc}00"
-        for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84
-        do
-            namfhr=F${gfsfhr}
-            gfsfhr=F${gfsfhr}
-		
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+
+        # COMPARE THE GFS MODEL TO THE NAM and NGM
+        grid2="F-NAMHPC | ${PDY:2}/${cyc}00"
+        for fhr in $(seq -s ' ' 0 6 84); do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            namfhr=F$(printf "%02g" "${fhr}")
+
+            export pgm=gdplot2_nc;. prep_step
+            "${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL= mepowo.gsf
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
@@ -773,25 +413,25 @@ LATLON  = ${latlon}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 
-SKIP    = 0            
+SKIP    = 0
 PANEL   = 0
 CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
+CLRBAR  =
+GLEVEL  = 500
+GVCORD  = PRES
 GDPFUN  = sm5s(hght)
-LINE    = 3/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1.2;1.2//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
+LINE    = 3/1/3/2
+SCALE   = -1
+TYPE    = c
+CINT    = 6
+FINT    =
+FLINE   =
+HLSYM   = ${hlsym}
+TEXT    = s/21//hw
+WIND    =
+REFVEC  =
 HILO    = 3/H#;L#//5/5;5/y
-TITLE   = 3/-1/~ ? ${MDL} @ HGT (00Z YELLOW)|~${gareas} ${MDL}/NAM/NGM 500 HGT!0
+TITLE   = 3/-1/~ ? ${MDL} @ HGT (${cyc}Z YELLOW)|~${gareas} ${MDL}/NAM/NGM 500 HGT!0
 l
 run
 
@@ -801,7 +441,7 @@ GDATTIM = ${namfhr}
 GDPFUN  = sm5s(hght)
 LINE    = 5/1/3/2
 HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-2/~ ? NAM @ HGT (00Z CYAN)!0
+TITLE   = 5/-2/~ ? NAM @ HGT (${cyc}Z CYAN)!0
 l
 run
 
@@ -810,14 +450,12 @@ GLEVEL  = 0
 GVCORD  = none
 SCALE   = 0
 GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-HLSYM   = 1.2;1.2//21//hw                                                           
-TEXT    = s/21//hw                                                                
+CINT    = 4${extra_cmd}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 LINE    = 3/1/3/2
 HILO    = 3/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 3/-1/~ ? ${MDL} PMSL (00Z YELLOW) |~${gareas} ${MDL}/NAM/NGM PMSL!0
+TITLE   = 3/-1/~ ? ${MDL} PMSL (${cyc}Z YELLOW)|~${gareas} ${MDL}/NAM/NGM PMSL!0
 l
 run
 
@@ -827,295 +465,40 @@ GDPFUN  = sm5s(pmsl)
 GDATTIM = ${namfhr}
 LINE    = 5/1/3/2
 HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-2/~ ? NAM PMSL (CYAN)!0
+TITLE   = 5/-2/~ ? NAM PMSL (${cyc}Z CYAN)!0
 l
 run
 
 EOF
-export err=$?;err_chk
-        done
-    done
-fi
-
-if [ ${cyc} -eq 18 ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in US NP
-    do
-        if [ ${gareas} = US ] ; then
-            garea="bwus"
-            proj=" "
-            latlon="0"
-        elif [ ${gareas} = NP ] ; then
-            garea="5;-177;45;-72"
-            proj="STR/90.0;-155.0;0.0"
-            latlon="1/1/1/1/10"
-        fi
-        for runtime in 12 06 00 18y
-        do
-            if [ ${runtime} = "12" ] ; then
-                cyc2="12"
-                desc="T"
-                grid2="F-${MDL} | ${PDY2}/1200"
-                add="06"
-                testgfsfhr="120"
-            elif [ ${runtime} = "06" ] ; then
-                cyc2="06"
-                desc="T"
-                grid2="F-${MDL} | ${PDY2}/0600"
-                add="12"
-                testgfsfhr="114"
-            elif [ ${runtime} = "00" ] ; then
-                cyc2="00"
-                desc="T"
-                grid2="F-${MDL} | ${PDY2}/0000"
-                add="18"
-                testgfsfhr="108"
-            elif [ ${runtime} = "18y" ] ; then
-                cyc2="18"
-                desc="Y"
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/1800"
-                add="24"
-                testgfsfhr="102"
-            fi   
-            gdpfun1="sm5s(hght)!sm5s(hght)"
-            gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
-            line="5/1/3/2/2!6/1/3/2/2"
-            hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
-            hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z ${desc} CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z ${desc} CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr="F${gfsfhr}"
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-\$MAPFIL= mepowo.gsf
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-SKIP    = 0     
-PANEL   = 0
-CONTUR  = 1
-CLRBAR  =
-FINT    =
-FLINE   =
-REFVEC  =
-WIND    = 0
-
-GDFILE  = ${grid}!${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-GLEVEL  = 500   
-GVCORD  = PRES
-GDPFUN  = ${gdpfun1}
-LINE    = ${line}
-SCALE   = -1
-TYPE    = c
-CINT    = 6
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-HILO    = ${hilo1}
-TITLE   = ${title1}
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = ${gdpfun2}
-CINT    = 4
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-LINE    = ${line}
-HILO    = ${hilo2}
-TITLE   = ${title2}
-run
-
-ex
-EOF
-export err=$?;err_chk
-            done
-        done
-    done
-fi
-
-if [ ${cyc} -eq 06 ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in US NP
-    do
-        if [ ${gareas} = US ] ; then
-            garea="bwus"
-            proj=" "
-            latlon="0"
-        elif [ ${gareas} = NP ] ; then
-            garea="5;-177;45;-72"
-            proj="STR/90.0;-155.0;0.0"
-            latlon="1/1/1/1/10"
-        fi
-        for runtime in 00 18 12 06
-        do
-            if [ ${runtime} -eq 00 ] ; then
-                cyc2="00"
-                desc="T"
-                grid2="F-${MDL} | ${PDY2}/0000"
-                add="06"
-                testgfsfhr="120"
-            elif [ ${runtime} -eq 18 ] ; then
-                cyc2="18"
-                desc="Y"
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
 
-                grid2="F-GFSHPC | ${PDY2m1}/1800"
-                add="12"
-                testgfsfhr="114"
-            elif [ ${runtime} -eq 12 ] ; then
-                cyc2="12"
-                desc="Y"
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/1200"
-                add="18"
-                testgfsfhr="108"
-            elif [ ${runtime} -eq 06 ] ; then
-                cyc2="06"
-                desc="Y"
-                export HPCGFS=${COMINgempak}/${NET}/${envir}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/0600"
-                add="24"
-                testgfsfhr="102"
-            fi   
-            gdpfun1="sm5s(hght)!sm5s(hght)"
-            gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
-            line="5/1/3/2/2!6/1/3/2/2"
-            hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
-            hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z ${desc} CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z ${desc} CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z VS ${desc} ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr="F${gfsfhr}"
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-\$MAPFIL= mepowo.gsf
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-SKIP    = 0     
-PANEL   = 0
-CONTUR  = 1
-CLRBAR  =
-FINT    =
-FLINE   =
-REFVEC  =
-WIND    = 0
-
-GDFILE  = ${grid}!${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-GLEVEL  = 500   
-GVCORD  = PRES
-GDPFUN  = ${gdpfun1}
-LINE    = ${line}
-SCALE   = -1
-TYPE    = c
-CINT    = 6
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-HILO    = ${hilo1}
-TITLE   = ${title1}
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = ${gdpfun2}
-CINT    = 4
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-LINE    = ${line}
-HILO    = ${hilo2}
-TITLE   = ${title2}
-run
-
-ex
-EOF
-export err=$?;err_chk
-            done
+            export err=$?;err_chk
         done
-    done
-fi
+    fi
+done
 
-####################################################
+#####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-    if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
-      DBN_ALERT_TYPE=GFS_METAFILE
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-       ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
+    if [[ ${DBN_ALERT_TYPE} = "GFS_METAFILE_LAST" ]] ; then
+        DBN_ALERT_TYPE=GFS_METAFILE
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
     fi
-    if [ $fhr -eq 126 ] ; then
-     ${DBNROOT}/bin/dbn_alert MODEL GFS_METAFILE_LAST $job \
-       ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
+    if (( fhr == 126 )) ; then
+        "${DBNROOT}/bin/dbn_alert" MODEL GFS_METAFILE_LAST "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
     fi
-   fi
 fi
 
-
 exit
diff --git a/gempak/ush/gfs_meta_crb.sh b/gempak/ush/gfs_meta_crb.sh
index 181afab6c1..aeed1a788a 100755
--- a/gempak/ush/gfs_meta_crb.sh
+++ b/gempak/ush/gfs_meta_crb.sh
@@ -1,50 +1,40 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_crb_new
 #
-# Log :
-# J.Carr/HPC         03/13/2001   New script for the Caribbean desk.
-# J. Carr/HPC            5/2001   Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC            6/2001   Converted to a korn shell prior to delivering script to Production.
-# J. Carr/HPC            7/2001   Submitted.
-# J. Carr/PMB        11/15/2004   Added a ? to all title/TITLE lines. Changed contur parameter to 2.
-#                                 Changed 12-hr increments to 6-hr with regards to 12-hr and 24-hr pcpn.
-#
 # Set Up Local Variables
 #
-set -x
-#
-export PS4='crb:$SECONDS + '
-mkdir -p -m 775 $DATA/crb
-cd $DATA/crb
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/crb"
+cd "${DATA}/crb" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 #
 mdl=gfs
 MDL=GFS
 metatype="crb"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo ${PDY} | cut -c3-)
+
 #
-# DEFINE YESTERDAY
-PDYm1=$($NDATE -24 ${PDY}${cyc} | cut -c -8)
-PDY2m1=$(echo ${PDYm1} | cut -c 3-)
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-#if [ ${cyc} -eq 00 ] ; then
-#    fend=F126
-#elif [ ${cyc} -eq 12 ] ; then
-#    fend=F126
-#else
-#    fend=F126
-#    fend=F84
-#fi
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
+
+# DEFINE YESTERDAY
+PDYm1=$(date --utc +%Y%m%d -d "${PDY} 00 - 24 hours")
 
 fend=F126
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-${MDL} | ${PDY2}/${cyc}00
-GDATTIM	= F00-${fend}-06 
+export pgm=gdplot2_nc;. prep_step
+"${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-${MDL} | ${PDY:2}/${cyc}00
+GDATTIM	= F00-${fend}-06
 DEVICE	= ${device}
 PANEL	= 0
 TEXT	= 1/21//hw
@@ -70,13 +60,13 @@ HILO    = !!26;2/H#;L#/1020-1070;900-1012//30;30/y
 HLSYM   = !!2;1.5//21//hw
 CLRBAR  = 1
 WIND    =                        !                       !bk9/0.7/2/112
-REFVEC  = 
+REFVEC  =
 TITLE	= 5/-2/~ ? ${MDL} MSLP, 1000-500mb THICK & 850mb WIND|~MSLP, 1000-500 THKN!
 ru
 
 glevel  = 9950
 gvcord  = sgma
-scale   = 7                         !0 
+scale   = 7                         !0
 gdpfun  = sm5s(sdiv(mixr@0%none;wnd)!kntv(wnd)
 type    = f                         !b
 cint    = 0                         !
@@ -90,22 +80,22 @@ wind    = am0!bk9/0.8/2/112
 refvec  =
 title   = 1/-2/~ ? ${MDL} BL MOIST CONV & WIND|~BL MOISTURE CONV!0
 r
- 
+
 glevel  = 0         !9950
 gvcord  = none      !sgma
 scale   = 0
 skip    = 0/1
 gdpfun  = sm5s(thte)!kntv(wnd)
 type    = c/f       !b
-cint    = 4/200/336 
-line 	= 5/1/1 
+cint    = 4/200/336
+line 	= 5/1/1
 fint    = 336;340;344;348;352;356;360;364;368;372;376
 fline   = 0 ; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 14
-hilo    = 
-hlsym   = 
+hilo    =
+hlsym   =
 clrbar  = 1/V/LL!0
 wind    = bk0        !bk9/0.9/2/112
-refvec  = 
+refvec  =
 title   = 1/-2/~ ? ${MDL} BL THTE & WIND (KTS)|~BL THTE & WIND
 r
 
@@ -115,9 +105,9 @@ SKIP    = 0/1;2
 GDPFUN	= vor(wnd)              !vor(wnd)!kntv(wnd)
 CINT	= 2/-99/-2              !2/2/99
 LINE	= 29/5/1/2              !7/5/1/2
-HILO	= 2;6/X;N/-99--4;4-99   !                   
-SCALE	= 5                     !5 
-WIND    = !!bk6/.8/2/112!0 
+HILO	= 2;6/X;N/-99--4;4-99   !
+SCALE	= 5                     !5
+WIND    = !!bk6/.8/2/112!0
 TITLE	= 1//~ ? ${MDL} @ WIND AND REL VORT|~@ WIND AND REL VORT!0
 FINT    = 4;6;8;10;12;14;16;18
 FLINE	= 0;14-21
@@ -134,23 +124,23 @@ CINT    = 5/20
 LINE    = 26//1
 FINT    = 5/20
 FLINE   = 0;24;30;29;23;22;14;15;16;17;20;5
-HILO    = 
+HILO    =
 HLSYM   =
 CLRBAR  = 1
 WIND    = bk0!ak7/.3/1/221/.4!ak6/.3/1/221/.4
 REFVEC  = 0
 TITLE   = 1/-2/~ ? ${MDL} @ WIND SHEAR (KNTS)|~850MB-300MB WIND SHEAR!0
 filter  = no
- 
+
 
 GLEVEL	= 700
 GVCORD  = pres
 GDPFUN	= vor(wnd)              !vor(wnd)!kntv(wnd)
 CINT	= 2/-99/-2              !2/2/99
 LINE	= 29/5/1/2              !7/5/1/2
-HILO	= 2;6/X;N/-99--4;4-99   !                   
-SCALE	= 5                     !5 
-WIND    = !!bk6/.8/2/112!0 
+HILO	= 2;6/X;N/-99--4;4-99   !
+SCALE	= 5                     !5
+WIND    = !!bk6/.8/2/112!0
 TITLE	= 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~@ WIND AND REL VORT!0
 FINT    = 6;8;10;12;14;16;18;20
 FLINE	= 0;14-21
@@ -167,8 +157,8 @@ LINE    = 7/5/1/2        !29/5/1/2!7/5/1/2   !29/5/1/2 !20/1/2/1
 FINT    = 16;20;24;28;32;36;40;44
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!        !2;6/X;N/10-99;10-99!       !
-HLSYM   = 
-WIND    = bk0            !bk0     !bk0       !bk0      !bk0       !bk9/0.7/2/112!0 
+HLSYM   =
+WIND    = bk0            !bk0     !bk0       !bk0      !bk0       !bk9/0.7/2/112!0
 TITLE   = 1/-2/~ ? ${MDL} @ HEIGHT AND VORTICITY|~@ HGT AND VORTICITY!0
 ru
 
@@ -209,7 +199,7 @@ FLINE	= 0;21-30;14-20;5
 HILO	= 31;0/x#/10-400///y
 HLSYM	= 1.5
 CLRBAR	= 1/V/LL
-WIND	= 
+WIND	=
 REFVEC	=
 TITLE	= 1/-2/~ ? ${MDL} 12-HR TOTAL PCPN|~12-HR TOTAL PCPN
 r
@@ -228,7 +218,7 @@ type    = c   !c/f !b
 cint    = 6/6/18!6/24
 line    = 22///2!32//2/2
 fint    = !13;25;38;50
-fline   = !0;23;22;21;2       
+fline   = !0;23;22;21;2
 hilo    = 0!0
 HLSYM   = 0!0
 clrbar  = 0!1
@@ -246,11 +236,11 @@ CINT    = 10;20;80;90 !30;40;50;60;70
 LINE    = 32//2       !23//2
 FINT    = 10;30;70;90
 FLINE   = 18;8;0;22;23
-HILO    = 
+HILO    =
 HLSYM   =
 CLRBAR  = 1
-WIND    = 
-REFVEC  = 
+WIND    =
+REFVEC  =
 TITLE	= 1/-2/~ ? ${MDL} @ LYR RH|~MEAN RH!0
 ru
 
@@ -259,19 +249,29 @@ EOF
 export err=$?;err_chk
 
 
-if [ ${cyc} -eq 00 ] ; then
-    export HPCECMWF=${COMINecmwf}.${PDY}/gempak
-    export HPCUKMET=${COMINukmet}.${PDYm1}/gempak
-    grid1="F-${MDL} | ${PDY2}/${cyc}00"
-    grid2="${COMINecmwf}.${PDYm1}/gempak/ecmwf_glob_${PDYm1}12"
-    grid3="F-UKMETHPC | ${PDY2m1}/1200"
-    for gfsfhr in 12 36 60 84 108
-    do
-        ecmwffhr="F$(expr ${gfsfhr} + 12)"
-        gfsfhr="F${gfsfhr}"
+if [[ ${cyc} == 00 ]] ; then
+    export HPCECMWF=ecmwf.${PDY}
+    HPCECMWF_m1=ecmwf.${PDY}
+    export HPCUKMET=ukmet.${PDYm1}
+    if [[ ! -L "${HPCECMWF}" ]]; then
+        ln -sf "${COMINecmwf}ecmwf.${PDY}/gempak" "${HPCECMWF}"
+    fi
+    if [[ ! -L "${HPCECMWF_m1}" ]]; then
+        ln -sf "${COMINecmwf}ecmwf.${PDYm1}/gempak" "${HPCECMWF_m1}"
+    fi
+    if [[ ! -L "${HPCUKMET}" ]]; then
+        ln -sf "${COMINukmet}/ukmet.${PDYm1}/gempak" "${HPCUKMET}"
+    fi
+
+    grid1="F-${MDL} | ${PDY:2}/${cyc}00"
+    grid2="${HPCECMWF_m1}/ecmwf_glob_${PDYm1}12"
+    grid3="F-UKMETHPC | ${PDYm1:2}/1200"
+    for fhr in $(seq -s ' ' 12 24 108); do
+        gfsfhr=F$(printf "%02g" "${fhr}")
+        ecmwffhr=F$(printf "%02g" $((fhr + 12)))
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF10
+        export pgm=gdplot2_nc;. prep_step
+        "${GEMEXE}/gdplot2_nc" << EOF10
 GDFILE  = ${grid1} !${grid2}
 GDATTIM = ${gfsfhr}!${ecmwffhr}
 DEVICE  = ${device}
@@ -280,8 +280,8 @@ TEXT    = 1/21//hw
 MAP     = 6/1/1/yes
 CLEAR   = yes
 CLRBAR  = 1
-PROJ    = mer//3;3;0;1 
-GAREA   = -25;-130;40;-15 
+PROJ    = mer//3;3;0;1
+GAREA   = -25;-130;40;-15
 LATLON  = 18//1/1/10
 
 GLEVEL  = 500
@@ -327,16 +327,15 @@ r
 
 ex
 EOF10
-export err=$?;err_chk
+        export err=$?;err_chk
 
     done
-    for gfsfhr in 00 12 24 36 48 60 84 108 132
-    do
-        ukmetfhr="F$(expr ${gfsfhr} + 12)"
-        gfsfhr=F${gfsfhr}
+    for fhr in 0 12 24 36 48 60 84 108 132; do
+        gfsfhr=F$(printf "%02g" "${fhr}")
+        ukmetfhr=F$(printf "%02g" $((fhr + 12)))
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF25
+        export pgm=gdplot2_nc;. prep_step
+        "${GEMEXE}/gdplot2_nc" << EOF25
 DEVICE  = ${device}
 PANEL   = 0
 TEXT    = 1/21//hw
@@ -390,7 +389,7 @@ r
 
 ex
 EOF25
-export err=$?;err_chk
+        export err=$?;err_chk
 
     done
 fi
@@ -400,20 +399,20 @@ fi
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      fi
-   fi
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    fi
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_hi.sh b/gempak/ush/gfs_meta_hi.sh
index 5272204b7a..23423381f9 100755
--- a/gempak/ush/gfs_meta_hi.sh
+++ b/gempak/ush/gfs_meta_hi.sh
@@ -1,43 +1,37 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_hi.sh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# D.W.Plummer/NCEP   4/97   Changed SKIP for grid2
-# B. Gordon          4/00   Converted for production on the IBM-SP
-#                           and changed gdplot_nc -> gdplot2_nc
-# D. Michaud         4/16   Added logic to display different title
-#                           for parallel runs
-# B. Gordon          7/02   Converted to run off the GFS due to demise
-#                           of the MRF.
-# J. Carr           11/04   Added a ? to all title/TITLE lines. Changed contur parameter to a 2.
-#                           Changed the GDATTIM line to end at F240 every 6 hrs instead of out to
-#                           F384 every 12 hrs. This is to account for 06 and 18 UTC runs.
-# M. Klein           4/07   Fix bug in PW display.
-#
-set -xa
-mkdir -p -m 775 $DATA/mrfhi
-cd $DATA/mrfhi
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/mrfhi"
+cd "${DATA}/mrfhi" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
 device="nc | mrfhi.meta"
 
-PDY2=$(echo $PDY | cut -c3-)
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
-if [ "$envir" = "prod" ] ; then
+if [[ "${envir}" = "prod" ]] ; then
    export m_title="GFS"
 else
    export m_title="GFSP"
 fi
 
 export pgm=gdplot2_nc;. prep_step
-startmsg
 
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-GFS | ${PDY2}/${cyc}00
+"${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-GFS | ${PDY:2}/${cyc}00
 GDATTIM	= F000-F192-06; F214-F240-12
-DEVICE	= $device
+DEVICE	= ${device}
 PANEL	= 0
 TEXT	= 1/21//hw
 CONTUR	= 2
@@ -51,7 +45,7 @@ restore ${HOMEgfs}/gempak/ush/restore/pmsl_thkn.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title MSL PRESSURE, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
+TITLE	= 5/-2/~ ? ${m_title} MSL PRESSURE, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
 l
 ru
 
@@ -59,7 +53,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/850mb_hght_tmpc.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGHTS, TEMPERATURE AND WIND (KTS)|~@ HGHT, TMP, WIND!0!0!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGHTS, TEMPERATURE AND WIND (KTS)|~@ HGHT, TMP, WIND!0!0!0
 l
 ru
 
@@ -67,7 +61,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/700mb_hght_relh_omeg.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGHTS, REL HUMIDITY AND OMEGA|~@ HGHT, RH AND OMEGA!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGHTS, REL HUMIDITY AND OMEGA|~@ HGHT, RH AND OMEGA!0
 l
 ru
 
@@ -75,7 +69,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/500mb_hght_absv.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HEIGHTS AND VORTICITY|~@ HGHT AND VORTICITY!0
+TITLE	= 5/-2/~ ? ${m_title} @ HEIGHTS AND VORTICITY|~@ HGHT AND VORTICITY!0
 l
 ru
 
@@ -83,7 +77,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/200mb_hght_wnd.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HEIGHTS, ISOTACHS AND WIND (KTS)|~@ HGHT AND WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HEIGHTS, ISOTACHS AND WIND (KTS)|~@ HGHT AND WIND!0
 l
 ru
 
@@ -91,7 +85,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/250mb_hght_wnd.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HEIGHTS, ISOTACHS AND WIND (KTS)|~@ HGHT AND WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HEIGHTS, ISOTACHS AND WIND (KTS)|~@ HGHT AND WIND!0
 l
 ru
 
@@ -99,7 +93,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/300mb_hght_wnd.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HEIGHTS, ISOTACHS AND WIND (KTS)|~@ HGHT AND WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HEIGHTS, ISOTACHS AND WIND (KTS)|~@ HGHT AND WIND!0
 l
 ru
 
@@ -109,7 +103,7 @@ GVCORD  = sgma
 GDPFUN  = sm5s(relh)
 CINT    = 10
 LINE    = 21/1/2
-TITLE	= 5/-2/~ ? $m_title MEAN RELATIVE HUMIDITY|~1000-440 MB MEAN RH!0
+TITLE	= 5/-2/~ ? ${m_title} MEAN RELATIVE HUMIDITY|~1000-440 MB MEAN RH!0
 SCALE   = 0
 FINT    = 10;70;90
 FLINE   = 20;0;22;23
@@ -122,7 +116,7 @@ GVCORD  = none
 GDPFUN  = sm5s(quo(pwtr,25.4))     !sm5s(quo(pwtr,25.4))
 CINT    = 0.25/0.25/0.5            !0.25/0.75/6.0
 LINE    = 22///2                   !32//2/2
-TITLE	= 5/-2/~ ? $m_title PRECIPITABLE WATER (in)|~PRECIPITABLE WATER!0
+TITLE	= 5/-2/~ ? ${m_title} PRECIPITABLE WATER (in)|~PRECIPITABLE WATER!0
 SCALE   = 0
 SKIP    = 0
 FINT    = 0.5;1.0;1.5;2.0
@@ -137,7 +131,7 @@ GVCORD  = pres
 GDPFUN  = sm5s(tmpc)   !kntv(wnd)
 CINT    = 5
 LINE    = 2/1/3
-TITLE	= 5/-2/~ ? $m_title @ TEMPERATURE|~1000 MB TEMP!0
+TITLE	= 5/-2/~ ? ${m_title} @ TEMPERATURE|~1000 MB TEMP!0
 SCALE   = 0
 SKIP    = 0
 FINT    = 0;30
@@ -154,7 +148,7 @@ CLRBAR  = 1
 TEXT    = 1/21//hw
 GDATTIM = F12-F192-06; F214-F384-12
 GDPFUN  = (quo(p12m,25.4))
-TITLE   = 5/-2/~ ? $m_title 12-HOUR TOTAL PRECIPITATION (IN)|~12-HOURLY TOTAL PCPN
+TITLE   = 5/-2/~ ? ${m_title} 12-HOUR TOTAL PRECIPITATION (IN)|~12-HOURLY TOTAL PCPN
 hilo    = 31;0/x#2/.01-20//50;50/y!17/H#;L#/1020-1070;900-1012
 hlsym   = 1.5!1;1//22;22/2;2/hw
 l
@@ -162,13 +156,13 @@ ru
 
 GDATTIM = F24-F192-06; F214-F384-12
 GDPFUN  = (quo(p24m,25.4))
-TITLE   = 5/-2/~ ? $m_title 24-HOUR TOTAL PRECIPITATION (IN)|~24-HOURLY TOTAL PCPN
+TITLE   = 5/-2/~ ? ${m_title} 24-HOUR TOTAL PRECIPITATION (IN)|~24-HOURLY TOTAL PCPN
 l
 ru
 
 GDATTIM = F180
 GDPFUN  = (quo(p180m,25.4))
-TITLE   = 5/-2/~ ? $m_title 180-HOUR TOTAL PRECIPITATION (IN)|~180-HOURLY TOTAL PCPN
+TITLE   = 5/-2/~ ? ${m_title} 180-HOUR TOTAL PRECIPITATION (IN)|~180-HOURLY TOTAL PCPN
 l
 ru
 
@@ -181,20 +175,20 @@ export err=$?; err_chk
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l mrfhi.meta
-export err=$?;export pgm="GEMPAK CHECK FILE"; err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-  mv mrfhi.meta ${COMOUT}/gfs_${PDY}_${cyc}_hi
-  if [ $SENDDBN = "YES" ] ; then
-    $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-     $COMOUT/gfs_${PDY}_${cyc}_hi
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+if (( err != 0 )) || [[ ! -s mrfhi.meta ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file mrfhi.meta"
+    exit $(( err + 100 ))
+fi
+
+mv mrfhi.meta "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_hi"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+    "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_hi"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/gfs_${PDY}_${cyc}_hi
-      fi
-  fi
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_hi"
+    fi
 fi
 
 #
diff --git a/gempak/ush/gfs_meta_hur.sh b/gempak/ush/gfs_meta_hur.sh
index 04224ee39b..c85466ca23 100755
--- a/gempak/ush/gfs_meta_hur.sh
+++ b/gempak/ush/gfs_meta_hur.sh
@@ -1,87 +1,56 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_hur_new
 #
-# Log :
-# D.W. Plummer/NCEP   2/97   Add log header
-# J.W. Carr/HPC    4/15/97   changed the skip parameter
-# J.W. Carr/HPC    4/06/98   Converted from gdplot to gdplot2
-# J.L. Partain/MPC 5/25/98   Chg VOR to AVOR @ 500mb,chg 200 to 250mb to match ETA,NGM
-# J.W. Carr/HPC    8/05/98   Changed map to medium resolution
-# J.W. Carr/HPC    2/02/99   Changed skip to 0
-# J.W. Carr/HPC    4/12/99   Added 84-hr time step.
-# J. Carr/HPC         6/99   Added a filter to map.
-# J. Carr/HPC       2/2001   Edited to run on the IBM.
-# J. Carr/HPC       5/2001   Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC       6/2001   Incorporated the crb metafile into this one.
-# J. Carr/HPC       6/2001   Converted to a korn shell prior to delivering script to Production.
-# J. Carr/HPC       7/2001   Submitted.
-# J. Carr/PMB      11/2004   Added a ? to all title lines. Changed contur to a 2 from a 1.
-#
 # Set up Local Variables
 #
-set -x
-#
-export PS4='hur:$SECONDS + '
-mkdir  -p -m 775 $DATA/hur
-cd $DATA/hur
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir  -p -m 775 "${DATA}/hur"
+cd "${DATA}/hur" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
 mdl=gfs
 MDL=GFS
 metatype="hur"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo ${PDY} | cut -c3-)
+
 #
-# DEFINE YESTERDAY
-PDYm1=$($NDATE -24 ${PDY}${cyc} | cut -c -8)
-PDY2m1=$(echo ${PDYm1} | cut -c 3-)
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-if [ ${cyc} -eq 00 ] ; then
-    gdat="F000-F126-06"
-    gdatpcpn06="F006-F126-06"
-    gdatpcpn12="F012-F126-06"
-    gdatpcpn24="F024-F126-06"
-    gdatpcpn48="F048-F126-06"
-    gdatpcpn60="F060-F126-06"
-    gdatpcpn72="F072-F126-06"
-    gdatpcpn84="F084-F126-06"
-    gdatpcpn96="F096-F126-06"
-    gdatpcpn120="F120-F126-06"
-    gdatpcpn126="F126"
-    run="r"
-elif [ ${cyc} -eq 12 ] ; then
-    gdat="F000-F126-06"
-    gdatpcpn06="F006-F126-06"
-    gdatpcpn12="F012-F126-06"
-    gdatpcpn24="F024-F126-06"
-    gdatpcpn48="F048-F126-06"
-    gdatpcpn60="F060-F126-06"
-    gdatpcpn72="F072-F126-06"
-    gdatpcpn84="F084-F126-06"
-    gdatpcpn96="F096-F126-06"
-    gdatpcpn120="F120-F126-06"
-    gdatpcpn126="F126"
-    run="r"
-else
-    gdat="F000-F126-06"
-    gdatpcpn06="F006-F126-06"
-    gdatpcpn12="F012-F126-06"
-    gdatpcpn24="F024-F126-06"
-    gdatpcpn48="F048-F126-06"
-    gdatpcpn60="F060-F126-06"
-    gdatpcpn72="F072-F126-06"
-    gdatpcpn84="F084-F126-06"
-    gdatpcpn96="F096-F126-06"
-    gdatpcpn120="F120-F126-06"
-    gdatpcpn126="F126"
-    run="r"
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
 fi
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-gdfile  = F-${MDL} | ${PDY2}/${cyc}00
+#
+# DEFINE YESTERDAY
+PDYm1=$(date --utc +%Y%m%d -d "${PDY} 00 - 24 hours")
+#
+case ${cyc} in
+    00)
+        gdat="F000-F126-06"
+        gdatpcpn12="F012-F126-06"
+        gdatpcpn24="F024-F126-06"
+        ;;
+    12)
+        gdat="F000-F126-06"
+        gdatpcpn12="F012-F126-06"
+        gdatpcpn24="F024-F126-06"
+        ;;
+    *)
+        gdat="F000-F126-06"
+        gdatpcpn12="F012-F126-06"
+        gdatpcpn24="F024-F126-06"
+        ;;
+esac
+
+export pgm=gdplot2_nc;. prep_step
+"${GEMEXE}/gdplot2_nc" << EOF
+gdfile  = F-${MDL} | ${PDY:2}/${cyc}00
 gdattim = ${gdat}
 GAREA   = -6;-111;52;-14
 PROJ    = MER/0.0;-49.5;0.0
@@ -89,7 +58,7 @@ MAP     = 1/1/1/yes
 LATLON  = 1//1/1/10
 CONTUR	= 2
 clear   = y
-device  = ${device} 
+device  = ${device}
 TEXT	= 1/22/2/hw
 PANEL	= 0
 filter  = yes
@@ -205,10 +174,10 @@ GDPFUN	= vor(wnd)           !vor(wnd) !sm5s(pmsl)!kntv(wnd)
 TYPE	= c/f                !c        !c         !b
 CINT	= 2/-99/-2           !2/2/99   !2//1008
 LINE	= 29/5/1/2           !7/5/1/2  !6/1/1
-HILO	= 2;6/X;N/-99--4;4-99!         !6/L#/880-1004///1         
+HILO	= 2;6/X;N/-99--4;4-99!         !6/L#/880-1004///1
 HLSYM	= 1;1//22;22/3;3/hw
 SCALE	= 5                  !5        !0
-WIND    = bk0                !bk0      !bk0       !bk9/.8/1.4/112 
+WIND    = bk0                !bk0      !bk0       !bk9/.8/1.4/112
 TITLE	= 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~@ WIND AND REL VORT!0
 FINT    = 4;6;8;10;12;14;16;18
 FLINE	= 0;14-21
@@ -222,7 +191,7 @@ LINE	= 29/5/1/2           !7/5/1/2  !6//1
 HILO	= 2;6/X;N/-99--4;4-99!         !6/L#/880-1004///1
 HLSYM	= 1;1//22;22/3;3/hw
 SCALE	= 5                  !5        !0
-WIND    = bk0                !bk0      !bk0       !bk9/.8/1.4/112 
+WIND    = bk0                !bk0      !bk0       !bk9/.8/1.4/112
 TITLE	= 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~@ WIND AND REL VORT!0
 FINT    = 4;6;8;10;12;14;16;18
 FLINE	= 0;14-21
@@ -238,12 +207,12 @@ LINE	= 29/5/1/2           !7/5/1/2   !20/1/2/1
 HILO	= 2;6/X;N/-99--4;4-99!          !
 HLSYM	= 1;1//22;22/3;3/hw  !
 SCALE	= 5                  !5         !-1
-WIND    = bk0                !bk0       !bk0       !bk9/.8/1.4/112 
+WIND    = bk0                !bk0       !bk0       !bk9/.8/1.4/112
 TITLE	= 1/-2/~ ? ${MDL} @ WIND AND ABS VORT|~@ WIND AND ABS VORT!0
 FINT    = 16;20;24;28;32;36;40;44
 FLINE	= 0;23-15
 TYPE	= c/f                !c         !c         !b
-r 
+r
 
 GLEVEL  = 250
 GVCORD  = PRES
@@ -260,14 +229,14 @@ CINT    = 5/20
 LINE    = 26//1
 FINT    = 5/25
 FLINE   = 0;24;30;29;23;22;14;15;16;17;20;5
-HILO    = 
+HILO    =
 HLSYM   =
 CLRBAR  = 1
 WIND    = ak0!ak7/.1/1/221/.2!ak6/.1/1/221/.2
-REFVEC  = 
+REFVEC  =
 TITLE   = 1/-2/~ ? ${MDL} @  WIND SHEAR (850=Purple, 300=Cyan) |~850-300MB WIND SHEAR!0
 filter  = no
-r 
+r
 
 glevel   = 250
 gvcord   = pres
@@ -295,13 +264,13 @@ type    = b                                                       !c
 cint    = 0!4
 line    = 0!20//3
 SKIP    = 0/2;2
-fint    = 
-fline   = 
+fint    =
+fline   =
 hilo    = 0!26;2/H#;L#/1020-1070;900-1012//30;30/y
 hlsym   = 0!2;1.5//21//hw
 clrbar  = 0
 wind    = bk10/0.9/1.4/112!bk0
-refvec  = 
+refvec  =
 title   = 1/-2/~ ? ${MDL} 850-400mb MLW and MSLP|~850-400mb MLW & MSLP!0
 r
 
@@ -333,22 +302,28 @@ exit
 EOF
 export err=$?;err_chk
 
-if [ ${cyc} -eq 00 ] ; then
-    # BV export MODEL=/com/nawips/prod
-    # JY export HPCECMWF=${MODEL}/ecmwf.${PDY}
-    # JY export HPCUKMET=${MODEL}/ukmet.${PDY}
-    export HPCECMWF=${COMINecmwf}.${PDY}/gempak
-    export HPCUKMET=${COMINukmet}.${PDY}/gempak
-    grid1="F-${MDL} | ${PDY2}/${cyc}00"
-    grid2="${COMINecmwf}.${PDYm1}/gempak/ecmwf_glob_${PDYm1}12"
-    grid3="F-UKMETHPC | ${PDY2}/${cyc}00"
-    for gfsfhr in 12 36 60 84 108
-    do
-        ecmwffhr="F$(expr ${gfsfhr} + 12)"
-        gfsfhr="F${gfsfhr}"
-
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+if [[ ${cyc} -eq 00 ]] ; then
+    export HPCECMWF=ecmwf.${PDY}
+    HPCECMWF_m1=ecmwf.${PDY}
+    export HPCUKMET=ukmet.${PDYm1}
+    if [[ ! -L "${HPCECMWF}" ]]; then
+        ln -sf "${COMINecmwf}ecmwf.${PDY}/gempak" "${HPCECMWF}"
+    fi
+    if [[ ! -L "${HPCECMWF_m1}" ]]; then
+        Ln -sf "${COMINecmwf}ecmwf.${PDYm1}/gempak" "${HPCECMWF_m1}"
+    fi
+    if [[ ! -L "${HPCUKMET}" ]]; then
+        ln -sf "${COMINukmet}/ukmet.${PDYm1}/gempak" "${HPCUKMET}"
+    fi
+    grid1="F-${MDL} | ${PDY:2}/${cyc}00"
+    grid2="${HPCECMWF_m1}/ecmwf_glob_${PDYm1}12"
+    grid3="F-UKMETHPC | ${PDY:2}/${cyc}00"
+    for fhr in $(seq -s ' ' 12 24 108); do
+        gfsfhr=F$(printf "%02g" "${fhr}")
+        ecmwffhr=F$(printf "%02g" $((fhr + 12)))
+
+        export pgm=gdplot2_nc;. prep_step
+        "${GEMEXE}/gdplot2_nc" << EOF
 GDFILE  = ${grid1} !${grid2}
 GDATTIM = ${gfsfhr}!${ecmwffhr}
 DEVICE  = ${device}
@@ -405,16 +380,15 @@ r
 
 ex
 EOF
-export err=$?;err_chk
+        export err=$?;err_chk
 
     done
-    for gfsfhr in 12 24 36 48 60 72 96 120
-    do
-        ukmetfhr=F${gfsfhr}
-        gfsfhr=F${gfsfhr}
+    for gfsfhr in 12 24 36 48 60 72 96 120; do
+        gfsfhr=F$(printf "%02g" "${fhr}")
+        ukmetfhr=F$(printf "%02g" $((fhr)))
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+        export pgm=gdplot2_nc;. prep_step
+        "${GEMEXE}/gdplot2_nc" << EOF
 DEVICE  = ${device}
 PANEL   = 0
 TEXT    = 1/21//hw
@@ -468,7 +442,7 @@ r
 
 ex
 EOF
-export err=$?;err_chk
+        export err=$?;err_chk
 
     done
 fi
@@ -477,19 +451,19 @@ fi
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      fi
-   fi
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    fi
 fi
 exit
diff --git a/gempak/ush/gfs_meta_mar_atl.sh b/gempak/ush/gfs_meta_mar_atl.sh
index b76a25f247..50a4e0dda6 100755
--- a/gempak/ush/gfs_meta_mar_atl.sh
+++ b/gempak/ush/gfs_meta_mar_atl.sh
@@ -1,31 +1,36 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_mar_atl.sh
 #
-# Log :
-# J. Carr/PMB    12/08/2004    Pushed into production.
-#
 # Set up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/MAR_ATL"
+cd "${DATA}/MAR_ATL" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export PS4='MAR_ATL:$SECONDS + '
-mkdir -p -m 775 $DATA/MAR_ATL
-cd $DATA/MAR_ATL
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL="GFS"
 metatype="mar_atl"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
 
-export pgm=gdplot2_nc;. prep_step; startmsg
+export pgm=gdplot2_nc;. prep_step
 
-$GEMEXE/gdplot2_nc << EOFplt
+"${GEMEXE}/gdplot2_nc" << EOFplt
 \$MAPFIL=mepowo.gsf+mehsuo.ncp+mereuo.ncp+mefbao.ncp
-gdfile     = F-${MDL} | ${PDY2}/${cyc}00
+gdfile     = F-${MDL} | ${PDY:2}/${cyc}00
 gdattim    = f00-f180-6
 GAREA      = 16;-100;71;5
 PROJ       = mer//3;3;0;1
@@ -34,7 +39,7 @@ LATLON	   = 18/2///10
 CONTUR	   = 0
 clear      = y
 
-device     = $device 
+device     = ${device}
 
 GLEVEL	= 850:1000                  !0
 GVCORD	= pres                      !none
@@ -69,8 +74,8 @@ fline      = 29;30;24;0 !
 hilo       = 0!0!0!20/H#;L#/1020-1070;900-1012
 hlsym      = 0!0!0!1;1//22;22/3;3/hw
 clrbar     = 1/V/LL!0
-wind       = bk9/0.8/1/112! 
-refvec     = 
+wind       = bk9/0.8/1/112!
+refvec     =
 title      = 1/-2/~ ? |~ PMSL, BL TEMP, WIND!1//${MDL} MSL PRES,BL TEMP,WIND (KTS)!0
 text       = 1.2/22/2/hw
 clear      = y
@@ -113,9 +118,9 @@ LINE    = 7/5/1/2            !20/1/2/1
 FINT    = 15;21;27;33;39;45;51;57
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!          !
-HLSYM   = 
+HLSYM   =
 CLRBAR  = 1
-WIND    =  
+WIND    =
 REFVEC  =
 TITLE   = 5//~ ? ${MDL} @ HEIGHTS AND VORTICITY|~ @ HGHT AND VORTICITY!0
 TEXT    = 1/21//hw
@@ -146,22 +151,22 @@ CLEAR	= yes
 li
 r
 
-glevel     = 300!300!300 
-gvcord     = pres!pres!pres 
+glevel     = 300!300!300
+gvcord     = pres!pres!pres
 panel      = 0
 skip       = 1!1!1/3/3!1
 scale      = 0!0!5!5!-1
 GDPFUN      = mag(kntv(wnd))//jet!jet!div(wnd)//dvg!dvg!sm5s(hght)
 TYPE      = c!c/f!c/f!c!c
 cint       = 30;50!70;90;110;130;150;170;190!-11;-9;-7;-5;-3!2/3/18!12/720
-line       = 26!32//2!19/-2//2!20!1//2 
-fint       = !70;90;110;130;150;170;190!3;5;7;9;11;13!  
+line       = 26!32//2!19/-2//2!20!1//2
+fint       = !70;90;110;130;150;170;190!3;5;7;9;11;13!
 fline      = !0;24;25;29;7;15;14;2!0;23;22;21;17;16;2!
 hilo       = 0!0!0!0!1/H;L/3
 hlsym      = 0!0!0!0!1.5;1.5//22;22/2;2/hw
 clrbar     = 0!0!1/V/LL!0
-wind       = !!am16/0.3//211/0.4! 
-refvec     = 10 
+wind       = !!am16/0.3//211/0.4!
+refvec     = 10
 title      = 1/-2/~ ?|~ @ SPEED & DIVERG!1//${MDL} @ HGHTS, ISOTACHS, & DIVERGENCE!0
 text       = 1.2/22/2/hw
 clear      = y
@@ -262,14 +267,15 @@ export err=$?;err_chk
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
 
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_atl
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_atl
-   fi
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_atl"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+   "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+      "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_atl"
 fi
 
 
diff --git a/gempak/ush/gfs_meta_mar_comp.sh b/gempak/ush/gfs_meta_mar_comp.sh
index 0c179b6270..9573dd6bd6 100755
--- a/gempak/ush/gfs_meta_mar_comp.sh
+++ b/gempak/ush/gfs_meta_mar_comp.sh
@@ -1,158 +1,162 @@
-#! /bin/sh
-# Metafile Script : gfs_meta_mar_comp.sh
+#! /usr/bin/env bash
 #
-# This is a script which creates a metafile that runs a comparison of 500 MB 
-# heights and PMSL between the older GFS model run and the newer one. The 
-# metafile also generates a comparison between the UKMET older run and the newer
-# GFS model run.
+# Metafile Script : gfs_meta_mar_comp.sh
 #
-# Log :
-# J. Carr/PMB    12/07/2004    Pushed into production.
-
 # Set up Local Variables
 #
-set -x
-#
-export PS4='MAR_COMP_F${fend}:$SECONDS + '
-rm -Rf $DATA/GEMPAK_META_MAR
-mkdir -p -m 775 $DATA/GEMPAK_META_MAR $DATA/MAR_COMP
 
-cd $DATA/MAR_COMP
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+source "${HOMEgfs}/ush/preamble.sh"
+
+rm -Rf "${DATA}/GEMPAK_META_MAR"
+mkdir -p -m 775 "${DATA}/GEMPAK_META_MAR" "${DATA}/MAR_COMP"
+
+cd "${DATA}/MAR_COMP" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
-export COMPONENT=${COMPONENT:-atmos}
+export COMIN="gfs.multi"
+mkdir -p "${COMIN}"
+for cycle in $(seq -f "%02g" -s ' ' 0 "${STEP_GFS}" "${cyc}"); do
+    YMD=${PDY} HH=${cycle} GRID="1p00" generate_com gempak_dir:COM_ATMOS_GEMPAK_TMPL
+    for file_in in "${gempak_dir}/gfs_1p00_${PDY}${cycle}f"*; do
+        file_out="${COMIN}/$(basename "${file_in}")"
+        if [[ ! -L "${file_out}" ]]; then
+            ln -sf "${file_in}" "${file_out}"
+        fi
+    done
+done
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export HPCNAM="nam.${PDY}"
+if [[ ! -L ${HPCNAM} ]]; then
+    ln -sf "${COMINnam}/nam.${PDY}/gempak" "${HPCNAM}"
+fi
 
 mdl=gfs
 MDL="GFS"
 metatype="mar_comp"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
-#
-# BV export MODEL=/com/nawips/prod
-#XXW export HPCGFS=${MODEL}/${mdl}.$PDY
-# BV export HPCGFS=${COMROOT}/nawips/${envir}/${mdl}.$PDY
-export HPCGFS=${COMINgempak}/${mdl}.${PDY}/${cyc}/${COMPONENT}/gempak
-export COMIN00=${COMINgempak}/${mdl}.${PDY}/00/${COMPONENT}/gempak
-export COMIN06=${COMINgempak}/${mdl}.${PDY}/06/${COMPONENT}/gempak
-export COMIN12=${COMINgempak}/${mdl}.${PDY}/12/${COMPONENT}/gempak
-export COMIN18=${COMINgempak}/${mdl}.${PDY}/18/${COMPONENT}/gempak
-if [ ${cyc} -eq 00 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_MAR
-elif [ ${cyc} -eq 06 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_MAR
-   cp $COMIN06/gfs_${PDY}06f* $DATA/GEMPAK_META_MAR
-elif [ ${cyc} -eq 12 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_MAR
-   cp $COMIN06/gfs_${PDY}06f* $DATA/GEMPAK_META_MAR
-   cp $COMIN12/gfs_${PDY}12f* $DATA/GEMPAK_META_MAR
-elif [ ${cyc} -eq 18 ] ; then
-   cp $COMIN00/gfs_${PDY}00f* $DATA/GEMPAK_META_MAR
-   cp $COMIN06/gfs_${PDY}06f* $DATA/GEMPAK_META_MAR
-   cp $COMIN12/gfs_${PDY}12f* $DATA/GEMPAK_META_MAR
-   cp $COMIN18/gfs_${PDY}18f* $DATA/GEMPAK_META_MAR
-fi
-export COMIN=$DATA/GEMPAK_META_MAR
-
-# export HPCNAM=${COMINnam}.$PDY
-export HPCNAM=${COMINnam}.$PDY/gempak
 
-# export HPCNGM=${MODEL}/ngm.$PDY
-#
-# DEFINE YESTERDAY
-PDYm1=$($NDATE -24 ${PDY}${cyc} | cut -c -8)
-PDY2m1=$(echo $PDYm1 | cut -c 3-)
-#
-# DEFINE 2 DAYS AGO
-PDYm2=$($NDATE -48 ${PDY}${cyc} | cut -c -8)
-PDY2m2=$(echo $PDYm2 | cut -c 3-)
-#
-# DEFINE 3 DAYS AGO
-PDYm3=$($NDATE -72 ${PDY}${cyc} | cut -c -8)
-PDY2m3=$(echo $PDYm3 | cut -c 3-)
-#
-# THE 1200 UTC CYCLE
-#
-if [ ${cyc} -eq 12 ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in NAtl NPac 
-    do
-        if [ ${gareas} = "NAtl" ] ; then
+grid="F-${MDL} | ${PDY:2}/${cyc}00"
+for garea in NAtl NPac; do
+    case ${garea} in
+        NAtl)
             garea="natl"
             proj=" "
             latlon="18/2/1/1/10"
-        elif [ ${gareas} = "NPac" ] ; then
+            ;;
+        NPac)
             garea="mpac"
             proj=" "
             latlon="18/2/1/1/10"
-        fi  
-        for runtime in 06 00
-        do
-            if [ ${runtime} = "06" ] ; then
-                cyc2="06"
-                grid2="F-${MDL} | ${PDY2}/0600"
-                add="06"
-                testgfsfhr="78"
-            elif [ ${runtime} = "00" ] ; then
-                cyc2="00"
-                grid2="F-${MDL} | ${PDY2}/0000"
-                add="12"
-                testgfsfhr="114"
+            ;;
+        *)
+            echo "FATAL ERROR: Unknown domain"
+            exit 100
+    esac
+
+    offsets=(6 12)
+    for offset in "${offsets[@]}"; do
+        init_time=$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - ${offset} hours")
+        init_PDY=${init_time:0:8}
+        init_cyc=${init_time:8:2}
+
+        if (( init_time <= SDATE )); then
+            echo "Skipping generation for ${init_time} because it is before the experiment began"
+            if (( offset == "${offsets[0]}" )); then
+                echo "First forecast time, no metafile produced"
+                exit 0
             fi
+            continue
+        fi
+
+        # Create symlink in DATA to sidestep gempak path limits
+        HPCGFS="${RUN}.${init_time}"
+        if [[ ! -L ${HPCGFS} ]]; then
+            YMD="${init_PDY}" HH="${init_cyc}" GRID="1p00" generate_com source_dir:COM_ATMOS_GEMPAK_TMPL
+            ln -sf "${source_dir}" "${HPCGFS}"
+        fi
+
+        case ${cyc} in
+            00 | 12)
+                contours=1
+                type_param="CTYPE"
+                ex=""
+                ;;
+            06 | 18)
+                contours=2
+                type_param="TYPE"
+                ex="ex"
+                ;;
+            *)
+                echo "FATAL ERROR: Invalid cycle ${cyc} passed to ${BASH_SOURCE[0]}"
+        esac
+
+        case ${cyc}_${init_cyc} in
+            00_*)   testgfsfhr=114;;
+            06_00)  testgfsfhr=84;;
+            06_18)  testgfsfhr=72;;
+            12_00)  testgfsfhr=114;;
+            12_06)  testgfsfhr=78;;
+            18_06)  testgfsfhr=72;;
+            18_12)  testgfsfhr=84;;
+            *)
+                echo "FATAL ERROR: Undefined pairing of cycles"
+                exit 200
+                ;;
+        esac
+
+        for fhr in $(seq -s ' ' 0 6 126); do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            gfsoldfhr=F$(printf "%02g" $((fhr + offset)))
+            grid2="F-GFSHPC | ${init_time:2}/${init_cyc}00"
             gdpfun1="sm5s(hght)!sm5s(hght)"
             gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
             line="5/1/3/2/2!6/1/3/2/2"
             hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
             hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr=F${gfsfhr}
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
-
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${garea} ${cyc}Z vs ${init_cyc}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${init_cyc}Z CYAN)"
+            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${garea} ${cyc}Z vs ${init_cyc}Z PMSL!6/-3/~ ? ${MDL} PMSL (${init_cyc}Z CYAN)"
+            if (( fhr > testgfsfhr )); then
+                grid2=" "
+                gfsoldfhr=" "
+                gdpfun1="sm5s(hght)"
+                gdpfun2="sm5s(pmsl)"
+                line="5/1/3/2/2"
+                hilo1="5/H#;L#//5/5;5/y"
+                hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y"
+                title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${garea} ${cyc}Z vs ${init_cyc}Z 500 HGT"
+                title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${garea} ${cyc}Z vs ${init_cyc}Z PMSL"
+            fi
+
+            export pgm=gdplot2_nc;. prep_step
+            "${GEMEXE}/gdplot2_nc" << EOF
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
 CLEAR   = yes
 GAREA   = ${garea}
-PROJ    = ${proj} 
+PROJ    = ${proj}
 LATLON  = ${latlon}
-SKIP    = 0            
+SKIP    = 0
 PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-FINT    = 
-FLINE   = 
-REFVEC  =                                                                         
-WIND    = 0 
+CONTUR  = ${contours}
+CLRBAR  =
+FINT    =
+FLINE   =
+REFVEC  =
+WIND    = 0
 
 GDFILE  = ${grid}  !${grid2}
 GDATTIM = ${gfsfhr}!${gfsoldfhr}
-GLEVEL  = 500                                                                    
+GLEVEL  = 500
 GVCORD  = PRES
 GDPFUN  = ${gdpfun1}
 LINE    = ${line}
 SCALE   = -1
-CTYPE   = c
+${type_param}   = c
 CINT    = 6
 HLSYM   = 1.2;1.2//21//hw
 TEXT    = 1/21//hw
@@ -175,100 +179,59 @@ HILO    = ${hilo2}
 TITLE   = ${title2}
 run
 
+${ex}
 EOF
-export err=$?;err_chk
-            done
+            export err=$?;err_chk
         done
-        # COMPARE THE 1200 UTC GFS MODEL TO THE 0000 UTC UKMET MODEL
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        export HPCUKMET=${COMINukmet}.${PDY}/gempak
-        grid2="F-UKMETHPC | ${PDY2}/0000"
-        # for gfsfhr in 00 12 24 36 48 60 84 108
-        for gfsfhr in 00 12 24 84 108
-        do
-            ukmetfhr=F$(expr ${gfsfhr} + 12)
-            gfsfhr=F${gfsfhr}
-	    
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
-GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-CTYPE   = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1;1//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    = 0              
-REFVEC  =                                                                         
-HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (12Z YELLOW)|~${gareas} 12Z vs UKM 00Z 500 HGT!0
-l
-run
+    done
 
-CLEAR   = no
-GDFILE  = ${grid2}
-GDATTIM = ${ukmetfhr}
-GDPFUN  = sm5s(hght)
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? UKMET @ HGT (00Z CYAN)!0
-l
-ru
+    if (( 10#${cyc} % 12 ==0 )); then
+
+        #
+        # There are some differences between 00z and 12z
+        # The YEST string makes sense (but is inconsistently used)
+        # The others I'm not sure why they differ. - WCK
+        #
+        case ${cyc} in
+            00)
+                type_param="TYPE"
+                hlsym="1.2;1.2//21//hw"
+                wind=""
+                yest=" YEST"
+                run_cmd="run"
+                extra_cmd="\nHLSYM   = 1.2;1.2//21//hw\nTEXT    = s/21//hw"
+                ;;
+            12)
+                type_param="CTYPE"
+                hlsym="1;1//21//hw"
+                wind="0"
+                yest=""
+                run_cmd="ru"
+                extra_cmd=""
+                ;;
+            *)
+                echo "FATAL ERROR: Invalid cycle {cyc} in ${BASH_SOURCE[0]}"
+                exit 100
+                ;;
+        esac
+
+        # COMPARE THE GFS MODEL TO THE UKMET MODEL 12-HOURS PRIOR
+        ukmet_date=$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - 12 hours")
+        ukmet_PDY=${ukmet_date:0:8}
+        ukmet_cyc=${ukmet_date:8:2}
+
+        export HPCUKMET="ukmet.${ukmet_PDY}"
+        if [[ ! -L "${HPCUKMET}" ]]; then
+            ln -sf "${COMINukmet}/ukmet.${ukmet_PDY}/gempak" "${HPCUKMET}"
+        fi
+        grid2="F-UKMETHPC | ${ukmet_PDY:2}/${ukmet_date}"
 
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-LINE    = 5/1/3/2
-HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (12Z YELLOW)|~${gareas} 12Z vs UKM 00Z PMSL!0
-l
-ru
+        for fhr in 00 12 24 84 108; do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            ukmetfhr=F$(printf "%02g" $((fhr + 12)))
 
-CLEAR   = no
-GDFILE  = ${grid2}
-GDPFUN  = sm5s(pmsl)
-GDATTIM = ${ukmetfhr}
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 6/-2/~ ? UKMET PMSL (00Z CYAN)!0
-l
-ru
-
-EOF
-export err=$?;err_chk
-        done
-        # COMPARE THE 1200 UTC GFS MODEL TO THE 1200 UTC ECMWF FROM YESTERDAY
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        grid2=${COMINecmwf}.${PDYm1}/gempak/ecmwf_glob_${PDYm1}12 
-        for gfsfhr in 00 24 48 72 96 120
-        do
-            ecmwffhr=F$(expr ${gfsfhr} + 24)
-	    gfsfhr=F${gfsfhr}
-		
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+            export pgm=gdplot2_nc;. prep_step
+            "${GEMEXE}/gdplot2_nc" << EOF
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
 CLEAR   = yes
@@ -278,271 +241,85 @@ LATLON  = ${latlon}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 
-SKIP    = 0            
+SKIP    = 0
 PANEL   = 0
 CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
+CLRBAR  =
+GLEVEL  = 500
+GVCORD  = PRES
 GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-CTYPE   = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1;1//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    = 0              
-REFVEC  =                                                                         
+LINE    = 5/1/3/2
+SCALE   = -1
+${type_param}   = c
+CINT    = 6
+FINT    =
+FLINE   =
+HLSYM   = ${hlsym}
+TEXT    = s/21//hw
+WIND    = 0
+REFVEC  =
 HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (12Z YELLOW)|~${gareas} 12Z vs ECM yest 12Z 500 HGT!0
+TITLE   = 5/-1/~ ? ${MDL} @ HGT (${cyc}Z YELLOW)|~${garea} ${cyc}Z vs UKM ${ukmet_cyc}Z 500 HGT!0
 l
 run
 
 CLEAR   = no
 GDFILE  = ${grid2}
-GDATTIM = ${ecmwffhr}
+GDATTIM = ${ukmetfhr}
 GDPFUN  = sm5s(hght)
 LINE    = 6/1/3/2
 HILO    = 6/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? ECMWF @ HGT (12Z YEST CYAN)!0
+TITLE   = 6/-2/~ ? UKMET @ HGT (${ukmet_cyc}Z${yest} CYAN)!0
 l
-run
+${run_cmd}
 
 CLEAR   = yes
 GLEVEL  = 0
 GVCORD  = none
 SCALE   = 0
 GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
+CINT    = 4${extra_cmd}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 LINE    = 5/1/3/2
 HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (12Z YELLOW)|~${gareas} 12Z vs ECM yest 12Z PMSL!0
+TITLE   = 5/-1/~ ? ${MDL} PMSL (${cyc}Z YELLOW)|~${garea} ${cyc}Z vs UKM ${ukmet_cyc}Z PMSL!0
 l
-run
+${run_cmd}
 
 CLEAR   = no
 GDFILE  = ${grid2}
 GDPFUN  = sm5s(pmsl)
-GDATTIM = ${ecmwffhr}
+GDATTIM = ${ukmetfhr}
 LINE    = 6/1/3/2
 HILO    = 6/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 6/-2/~ ? ECMWF PMSL (12Z YEST CYAN)!0
+TITLE   = 6/-2/~ ? UKMET PMSL (${ukmet_cyc}Z CYAN)!0
 l
-run
+${run_cmd}
 
 EOF
-export err=$?;err_chk
+            export err=$?;err_chk
         done
-        # COMPARE THE 1200 UTC GFS MODEL TO THE 1200 UTC NAM AND NGM
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        grid2="F-NAMHPC | ${PDY2}/${cyc}00"
-        # grid2ngm="F-NGMHPC | ${PDY2}/${cyc}00"
-        for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84
-        do
-            namfhr=F${gfsfhr}
-        #   ngmfhr=F${gfsfhr}
-            gfsfhr=F${gfsfhr}
-		
-$GEMEXE/gdplot2_nc << EOF
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon} 
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
-GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1;1//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
-HILO    = 3/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (12Z YELLOW)|~${gareas} ${MDL}/NAM/NGM 500 HGT!0
-l
-run
 
-CLEAR   = no
-GDFILE  = ${grid2}
-GDATTIM = ${namfhr}
-GDPFUN  = sm5s(hght)
-LINE    = 6/1/3/2
-HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? NAM @ HGT (12Z CYAN)!0
-l
-run
+        # COMPARE THE GFS MODEL TO THE 12 UTC ECMWF FROM YESTERDAY
+        offset=$(( (10#${cyc}+12)%24 + 12 ))
+        ecmwf_date=$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - ${offset} hours")
+        ecmwf_PDY=${ecmwf_date:0:8}
+        # ecmwf_cyc=${ecmwf_date:8:2}
 
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-LINE    = 5/1/3/2
-HILO    = 3/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (12Z YELLOW)|~${gareas} ${MDL}/NAM/NGM PMSL!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDPFUN  = sm5s(pmsl)
-GDATTIM = ${namfhr}
-LINE    = 6/1/3/2
-HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 6/-2/~ ? NAM PMSL (12Z CYAN)!0
-l
-run
-
-EOF
-export err=$?;err_chk
-        done
-    done
-fi
 
-if [ ${cyc} = "00" ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in NAtl NPac
-    do
-        if [ ${gareas} = "NAtl" ] ; then
-            garea="natl" 
-            proj=" "
-            latlon="0"
-        elif [ ${gareas} = "NPac" ] ; then
-            garea="mpac"
-            proj=" "
-            latlon="18/2/1/1/10"
+        HPCECMWF=ecmwf.${PDY}
+        if [[ ! -L "${HPCECMWF}" ]]; then
+            ln -sf "${COMINecmwf}/ecmwf.${ecmwf_PDY}/gempak" "${HPCECMWF}"
         fi
-        for runtime in 18 12
-        do
-            if [ ${runtime} = "18" ] ; then
-                cyc2="18"
-		#XXW export HPCGFS=${MODEL}/${mdl}.${PDYm1}
-		# BV export HPCGFS=$COMROOT/nawips/${envir}/${mdl}.${PDYm1}
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/1800"
-                add="06"
-                testgfsfhr="114"
-            elif [ ${runtime} = "12" ] ; then
-                cyc2="12"
-		#XXW export HPCGFS=${MODEL}/${mdl}.${PDYm1}
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-
-                grid2="F-GFSHPC | ${PDY2m1}/1200"
-                add="12"
-                testgfsfhr="114"
-            fi
-            gdpfun1="sm5s(hght)!sm5s(hght)"
-            gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
-            line="5/1/3/2/2!6/1/3/2/2"
-            hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
-            hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr=F${gfsfhr}
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj} 
-LATLON  = ${latlon}
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-FINT    = 
-FLINE   = 
-REFVEC  =                                                                         
-WIND    = 0 
+        grid2="${HPCECMWF}/ecmwf_glob_${ecmwf_date}"
 
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-GLEVEL  = 500                                                                    
-GVCORD  = PRES
-GDPFUN  = ${gdpfun1}
-LINE    = ${line}
-SCALE   = -1
-CTYPE   = c
-CINT    = 6
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-HILO    = ${hilo1}
-TITLE   = ${title1}
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = ${gdpfun2}
-CINT    = 4
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-LINE    = ${line}
-HILO    = ${hilo2}
-TITLE   = ${title2}
-run
-
-EOF
-export err=$?;err_chk
+        for fhr in $(seq -s ' ' $(( offset%24 )) 24 120 ); do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            ecmwffhr=F$(printf "%02g" $((fhr + 24)))
 
-            done
-        done
-        # COMPARE THE 0000 UTC GFS MODEL TO THE 1200 UTC UKMET FROM YESTERDAY
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-	export HPCUKMET=${COMINukmet}.${PDYm1}/gempak
-        grid2="F-UKMETHPC | ${PDY2m1}/1200"
-        # for gfsfhr in 00 12 24 36 48 60 84 108
-        for gfsfhr in 00 12 24 84 108
-        do 
-            ukmetfhr=F$(expr ${gfsfhr} + 12)
-            gfsfhr=F${gfsfhr}
-export pgm=gdplot2_nc;. prep_step; startmsg    
-$GEMEXE/gdplot2_nc << EOF
+            export pgm=gdplot2_nc;. prep_step
+            "${GEMEXE}/gdplot2_nc" << EOF
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
 CLEAR   = yes
@@ -551,103 +328,26 @@ PROJ    = ${proj}
 LATLON  = ${latlon}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
-SKIP    = 0            
-PANEL   = 0
-CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
-GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1.2;1.2//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
-HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HEIGHTS (00Z YELLOW)|~${gareas} 00Z vs UKM 12Z 500 HGT!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDATTIM = ${ukmetfhr}
-GDPFUN  = sm5s(hght)
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? UKMET @ HEIGHTS (12Z YEST CYAN)!0
-l
-run
 
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-HLSYM   = 1.2;1.2//21//hw                                                           
-TEXT    = s/21//hw                                                                
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-LINE    = 5/1/3/2
-HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (00Z YELLOW) |~${gareas} 00Z vs UKM 12Z PMSL!0
-l
-run
-
-CLEAR   = no
-GDFILE  = ${grid2}
-GDPFUN  = sm5s(pmsl)
-GDATTIM = ${ukmetfhr}
-LINE    = 6/1/3/2
-HILO    = 6/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 6/-2/~ ? UKMET PMSL (12Z YEST CYAN)!0
-l
-run
-
-EOF
-export err=$?;err_chk
-        done
-        # COMPARE THE 0000 UTC GFS MODEL TO THE 1200 UTC ECMWF FROM YESTERDAY
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        grid2="${COMINecmwf}.${PDYm1}/gempak/ecmwf_glob_${PDYm1}12"
-        for gfsfhr in 12 36 60 84 108
-        do
-            ecmwffhr=F$(expr ${gfsfhr} + 12)
-            gfsfhr=F${gfsfhr}
-	    
-$GEMEXE/gdplot2_nc << EOF
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-GDFILE  = ${grid}
-GDATTIM = ${gfsfhr}
-SKIP    = 0            
+SKIP    = 0
 PANEL   = 0
 CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
+CLRBAR  =
+GLEVEL  = 500
+GVCORD  = PRES
 GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1.2;1.2//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
+LINE    = 5/1/3/2
+SCALE   = -1
+${type_param}   = c
+CINT    = 6
+FINT    =
+FLINE   =
+HLSYM   = ${hlsym}
+TEXT    = s/21//hw
+WIND    = ${wind}
+REFVEC  =
 HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (00Z YELLOW)|~${gareas} 00Z vs ECM 12Z 500 HGT!0
+TITLE   = 5/-1/~ ? ${MDL} @ HGT (12Z YELLOW)|~${garea} 12Z vs ECM yest 12Z 500 HGT!0
 l
 run
 
@@ -666,14 +366,12 @@ GLEVEL  = 0
 GVCORD  = none
 SCALE   = 0
 GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-HLSYM   = 1.2;1.2//21//hw                                                           
-TEXT    = s/21//hw                                                                
+CINT    = 4${extra_cmd}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 LINE    = 5/1/3/2
 HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (00Z YELLOW) |~${gareas} 00Z vs ECM 12Z PMSL!0
+TITLE   = 5/-1/~ ? ${MDL} PMSL (12Z YELLOW)|~${garea} 12Z vs ECM yest 12Z PMSL!0
 l
 run
 
@@ -688,18 +386,16 @@ l
 run
 
 EOF
-export err=$?;err_chk
+            export err=$?;err_chk
         done
-        # COMPARE THE 0000 UTC GFS MODEL TO THE 0000 UTC NAM AND NGM
-        grid="F-${MDL} | ${PDY2}/${cyc}00"
-        grid2="F-NAMHPC | ${PDY2}/${cyc}00"
-        for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84
-        do
-            namfhr=F${gfsfhr}
-            gfsfhr=F${gfsfhr}
-		
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
+
+        # COMPARE THE GFS MODEL TO THE NAM and NGM
+        grid2="F-NAMHPC | ${PDY:2}/${cyc}00"
+        for fhr in $(seq -s ' ' 0 6 84); do
+            gfsfhr=F$(printf "%02g" "${fhr}")
+            namfhr=F$(printf "%02g" "${fhr}")
+
+            "${GEMEXE}/gdplot2_nc" << EOF
 DEVICE  = ${device}
 MAP     = 1/1/1/yes
 CLEAR   = yes
@@ -709,25 +405,25 @@ LATLON  = ${latlon}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 
-SKIP    = 0            
+SKIP    = 0
 PANEL   = 0
 CONTUR  = 2
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES 
+CLRBAR  =
+GLEVEL  = 500
+GVCORD  = PRES
 GDPFUN  = sm5s(hght)
-LINE    = 5/1/3/2         
-SCALE   = -1           
-TYPE    = c            
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   = 1.2;1.2//21//hw 
-TEXT    = s/21//hw                                                                       
-WIND    =               
-REFVEC  =                                                                         
+LINE    = 5/1/3/2
+SCALE   = -1
+TYPE    = c
+CINT    = 6
+FINT    =
+FLINE   =
+HLSYM   = ${hlsym}
+TEXT    = s/21//hw
+WIND    =
+REFVEC  =
 HILO    = 3/H#;L#//5/5;5/y
-TITLE   = 5/-1/~ ? ${MDL} @ HGT (00Z YELLOW)|~${gareas} ${MDL}/NAM/NGM 500 HGT!0
+TITLE   = 5/-1/~ ? ${MDL} @ HGT (${cyc}Z YELLOW)|~${garea} ${MDL}/NAM/NGM 500 HGT!0
 l
 run
 
@@ -737,7 +433,7 @@ GDATTIM = ${namfhr}
 GDPFUN  = sm5s(hght)
 LINE    = 6/1/3/2
 HILO    = 5/H#;L#//5/5;5/y
-TITLE   = 6/-2/~ ? NAM @ HGT (00Z CYAN)!0
+TITLE   = 6/-2/~ ? NAM @ HGT (${cyc}Z CYAN)!0
 l
 run
 
@@ -746,14 +442,12 @@ GLEVEL  = 0
 GVCORD  = none
 SCALE   = 0
 GDPFUN  = sm5s(pmsl)
-CINT    = 4                                           
-HLSYM   = 1.2;1.2//21//hw                                                           
-TEXT    = s/21//hw                                                                
+CINT    = 4${extra_cmd}
 GDFILE  = ${grid}
 GDATTIM = ${gfsfhr}
 LINE    = 5/1/3/2
 HILO    = 3/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 5/-1/~ ? ${MDL} PMSL (00Z YELLOW) |~${gareas} ${MDL}/NAM/NGM PMSL!0
+TITLE   = 5/-1/~ ? ${MDL} PMSL (${cyc}Z YELLOW)|~${garea} ${MDL}/NAM/NGM PMSL!0
 l
 run
 
@@ -763,252 +457,30 @@ GDPFUN  = sm5s(pmsl)
 GDATTIM = ${namfhr}
 LINE    = 6/1/3/2
 HILO    = 5/H#;L#/1018-1060;900-1012/5/10;10/y
-TITLE   = 6/-2/~ ? NAM PMSL (CYAN)!0
+TITLE   = 6/-2/~ ? NAM PMSL (${cyc}Z CYAN)!0
 l
 run
 
 EOF
-export err=$?;err_chk
-
+            export err=$?;err_chk
         done
-    done
-fi
+    fi
+done
 
-if [ ${cyc} -eq "18" ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in NAtl NPac
-    do
-        if [ ${gareas} = "NAtl" ] ; then
-            garea="natl"
-            proj=" "
-            latlon="0"
-        elif [ ${gareas} = "NPac" ] ; then
-            garea="mpac"
-            proj=" "
-            latlon="18/2/1/1/10"
-        fi
-        for runtime in 12 06
-        do
-            if [ ${runtime} = "12" ] ; then
-                cyc2="12"
-                grid2="F-${MDL} | ${PDY2}/1200"
-                add="06"
-                testgfsfhr="84"
-            elif [ ${runtime} = "06" ] ; then
-                cyc2="06"
-                grid2="F-${MDL} | ${PDY2}/0600"
-                add="12"
-                testgfsfhr="72"
-            fi   
-            gdpfun1="sm5s(hght)!sm5s(hght)"
-            gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
-            line="5/1/3/2/2!6/1/3/2/2"
-            hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
-            hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr="F${gfsfhr}"
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
-export pgm=gdplot2_nc;. prep_step; startmsg
-
-$GEMEXE/gdplot2_nc << EOF
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-SKIP    = 0     
-PANEL   = 0
-CONTUR  = 1
-CLRBAR  =
-FINT    =
-FLINE   =
-REFVEC  =
-WIND    = 0
-
-GDFILE  = ${grid}!${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-GLEVEL  = 500   
-GVCORD  = PRES
-GDPFUN  = ${gdpfun1}
-LINE    = ${line}
-SCALE   = -1
-TYPE    = c
-CINT    = 6
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-HILO    = ${hilo1}
-TITLE   = ${title1}
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = ${gdpfun2}
-CINT    = 4
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-LINE    = ${line}
-HILO    = ${hilo2}
-TITLE   = ${title2}
-run
-
-ex
-EOF
-export err=$?;err_chk
-            done
-        done
-    done
-fi
-
-if [ ${cyc} -eq "06" ] ; then
-    grid="F-${MDL} | ${PDY2}/${cyc}00"
-    for gareas in NAtl NPac
-    do
-        if [ ${gareas} = "NAtl" ] ; then
-            garea="natl"
-            proj=" "
-            latlon="0"
-        elif [ ${gareas} = "NPac" ] ; then
-            garea="mpac"
-            proj=" "
-            latlon="18/2/1/1/10"
-        fi
-        for runtime in 00 18
-        do
-            if [ ${runtime} = "00" ] ; then
-                cyc2="00"
-                grid2="F-${MDL} | ${PDY2}/0000"
-                add="06"
-                testgfsfhr="84"
-            elif [ ${runtime} = "18" ] ; then
-                cyc2="18"
-		#XXW export HPCGFS=${MODEL}/${mdl}.${PDYm1}
-                export HPCGFS=${COMINgempak}/${mdl}.${PDYm1}/${cyc2}/${COMPONENT}/gempak
-                grid2="F-GFSHPC | ${PDY2m1}/1800"
-                add="12"
-                testgfsfhr="72"
-            fi   
-            gdpfun1="sm5s(hght)!sm5s(hght)"
-            gdpfun2="sm5s(pmsl)!sm5s(pmsl)"
-            line="5/1/3/2/2!6/1/3/2/2"
-            hilo1="5/H#;L#//5/5;5/y!6/H#;L#//5/5;5/y"
-            hilo2="5/H#;L#/1018-1060;900-1012/5/10;10/y!6/H#;L#/1018-1060;900-1012/5/10;10/y"
-            hilo3="5/H#;L#//5/5;5/y"
-            hilo4="5/H#;L#/1018-1060;900-1012/5/10;10/y"
-            title1="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT!6/-3/~ ? ${MDL} @ HGT (${cyc2}Z CYAN)"
-            title2="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL!6/-3/~ ? ${MDL} PMSL (${cyc2}Z CYAN)"
-            title3="5/-2/~ ? ^ ${MDL} @ HGT (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z 500 HGT"
-            title4="5/-2/~ ? ^ ${MDL} PMSL (${cyc}Z YELLOW)|^${gareas} ${cyc}Z vs ${cyc2}Z PMSL"
-            for gfsfhr in 00 06 12 18 24 30 36 42 48 54 60 66 72 78 84
-            do
-                gfsoldfhr=F$(expr ${gfsfhr} + ${add})
-                gfsfhr2=$(echo ${gfsfhr})
-                gfsfhr="F${gfsfhr}"
-                if [ ${gfsfhr2} -gt ${testgfsfhr} ] ; then
-                    grid="F-${MDL} | ${PDY2}/${cyc}00"
-                    grid2=" "
-                    gfsoldfhr=" "
-                    gdpfun1="sm5s(hght)"
-                    gdpfun2="sm5s(pmsl)"
-                    line="5/1/3/2/2"
-                    hilo1=$(echo ${hilo3})
-                    hilo2=$(echo ${hilo4})
-                    title1=$(echo ${title3})
-                    title2=$(echo ${title4})
-                fi
-export pgm=gdplot2_nc;. prep_step; startmsg
-
-$GEMEXE/gdplot2_nc << EOF
-DEVICE  = ${device}
-MAP     = 1/1/1/yes
-CLEAR   = yes
-GAREA   = ${garea}
-PROJ    = ${proj}
-LATLON  = ${latlon}
-SKIP    = 0     
-PANEL   = 0
-CONTUR  = 1
-CLRBAR  =
-FINT    =
-FLINE   =
-REFVEC  =
-WIND    = 0
-
-GDFILE  = ${grid}!${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-GLEVEL  = 500   
-GVCORD  = PRES
-GDPFUN  = ${gdpfun1}
-LINE    = ${line}
-SCALE   = -1
-TYPE    = c
-CINT    = 6
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-HILO    = ${hilo1}
-TITLE   = ${title1}
-run
-
-CLEAR   = yes
-GLEVEL  = 0
-GVCORD  = none
-SCALE   = 0
-GDPFUN  = ${gdpfun2}
-CINT    = 4
-HLSYM   = 1.2;1.2//21//hw
-TEXT    = 1/21//hw
-GDFILE  = ${grid}  !${grid2}
-GDATTIM = ${gfsfhr}!${gfsoldfhr}
-LINE    = ${line}
-HILO    = ${hilo2}
-TITLE   = ${title2}
-run
-
-ex
-EOF
-export err=$?;err_chk
-
-            done
-        done
-    done
-fi
-
-####################################################
+#####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l ${metaname}
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_comp
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_comp
-   fi
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_comp"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert MODEL" "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_comp"
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_mar_pac.sh b/gempak/ush/gfs_meta_mar_pac.sh
index 06165e837c..c53a208d55 100755
--- a/gempak/ush/gfs_meta_mar_pac.sh
+++ b/gempak/ush/gfs_meta_mar_pac.sh
@@ -1,31 +1,36 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_mar_pac.sh
 #
-# Log :
-# J. Carr/PMB    12/08/2004     Pushed into production
-
 # Set up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/MAR_PAC"
+cd "${DATA}/MAR_PAC" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export PS4='MAR_PAC:$SECONDS + '
-mkdir -p -m 775 $DATA/MAR_PAC
-cd $DATA/MAR_PAC
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL="GFS"
 metatype="mar_pac"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
 
-export pgm=gdplot2_nc;. prep_step; startmsg
+export pgm=gdplot2_nc;. prep_step
 
-$GEMEXE/gdplot2_nc << EOFplt
+"${GEMEXE}/gdplot2_nc" << EOFplt
 \$MAPFIL=mepowo.gsf+mehsuo.ncp+mereuo.ncp+himouo.nws
-gdfile     = F-${MDL} | ${PDY2}/${cyc}00
+gdfile     = F-${MDL} | ${PDY:2}/${cyc}00
 gdattim    = f00-f180-6
 GAREA      = 4;120;69;-105
 PROJ       = mer//3;3;0;1
@@ -34,7 +39,7 @@ LATLON	   = 18/2///10
 CONTUR	   = 1
 clear      = y
 
-device     = $device 
+device     = ${device}
 
 GLEVEL	= 850:1000                  !0
 GVCORD	= pres                      !none
@@ -69,8 +74,8 @@ fline      = 29;30;24;0 !
 hilo       = 0!0!0!20/H#;L#/1020-1070;900-1012
 hlsym      = 0!0!0!1;1//22;22/3;3/hw
 clrbar     = 1/V/LL!0
-wind       = bk9/0.8/1/112! 
-refvec     = 
+wind       = bk9/0.8/1/112!
+refvec     =
 title      = 1/-2/~ ?|~ PMSL, BL TEMP, WIND!1//${MDL} MSL PRES,BL TEMP,WIND (KTS)!0
 text       = 1.2/22/2/hw
 clear      = y
@@ -113,9 +118,9 @@ LINE    = 7/5/1/2            !20/1/2/1
 FINT    = 15;21;27;33;39;45;51;57
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!          !
-HLSYM   = 
+HLSYM   =
 CLRBAR  = 1
-WIND    =  
+WIND    =
 REFVEC  =
 TITLE   = 5//~ ? ${MDL} @  HEIGHTS AND VORTICITY|~ @ HGHT AND VORTICITY!0
 TEXT    = 1/21//hw
@@ -146,22 +151,22 @@ CLEAR	= yes
 li
 r
 
-glevel     = 300!300!300 
-gvcord     = pres!pres!pres 
+glevel     = 300!300!300
+gvcord     = pres!pres!pres
 panel      = 0
 skip       = 1!1!1/3/3!1
 scale      = 0!0!5!5!-1
 GDPFUN      = mag(kntv(wnd))//jet!jet!div(wnd)//dvg!dvg!sm5s(hght)
 TYPE      = c!c/f!c/f!c!c
 cint       = 30;50!70;90;110;130;150;170;190!-11;-9;-7;-5;-3!2/3/18!12/720
-line       = 26!32//2!19/-2//2!20!1//2 
-fint       = !70;90;110;130;150;170;190!3;5;7;9;11;13!  
+line       = 26!32//2!19/-2//2!20!1//2
+fint       = !70;90;110;130;150;170;190!3;5;7;9;11;13!
 fline      = !0;24;25;29;7;15;14;2!0;23;22;21;17;16;2!
 hilo       = 0!0!0!0!1/H;L/3
 hlsym      = 0!0!0!0!1.5;1.5//22;22/2;2/hw
 clrbar     = 0!0!1/V/LL!0
-wind       = !!am16/0.3//211/0.4! 
-refvec     = 10 
+wind       = !!am16/0.3//211/0.4!
+refvec     = 10
 title      = 1/-2/~ ?|~ @ SPEED & DIVERG!1//${MDL} @ HGHTS, ISOTACHS, & DIVERGENCE!0
 text       = 1.2/22/2/hw
 clear      = y
@@ -255,19 +260,21 @@ exit
 EOFplt
 
 export err=$?;err_chk
+
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
 
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_pac
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_pac
-   fi
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_pac"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_pac"
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_mar_ql.sh b/gempak/ush/gfs_meta_mar_ql.sh
index 71ee9d2fee..6d653bb550 100755
--- a/gempak/ush/gfs_meta_mar_ql.sh
+++ b/gempak/ush/gfs_meta_mar_ql.sh
@@ -1,39 +1,43 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_mar_ql.sh
 #
-# Log :
-# J. Carr/PMB    12/07/2004   Pushed into production
-#
 # Set up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/MAR_QL"
+cd "${DATA}/MAR_QL" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export PS4='MAR_QL_F${fend}:$SECONDS + '
-mkdir -p -m 775  $DATA/MAR_QL
-cd $DATA/MAR_QL
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL="GFS"
 metatype="mar_ql"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
-# fend=180
 
-export pgm=gdplot2_nc;. prep_step; startmsg
+export pgm=gdplot2_nc;. prep_step
 
-$GEMEXE/gdplot2_nc << EOFplt
+"${GEMEXE}/gdplot2_nc" << EOFplt
 \$MAPFIL=mepowo.gsf+mehsuo.ncp+mereuo.ncp+mefbao.ncp
-gdfile	= F-${MDL} | ${PDY2}/${cyc}00
+gdfile	= F-${MDL} | ${PDY:2}/${cyc}00
 gdattim	= f00-f${fend}-6
 GAREA	= 15;-100;70;5
 PROJ	= mer//3;3;0;1
 MAP	= 31 + 6 + 3 + 5
 LATLON	= 18/2/1/1/10
 CONTUR	= 0
-device	= $device 
+device	= ${device}
 GLEVEL	= 9950!0
 GVCORD	= sgma!none
 PANEL	= 0
@@ -83,7 +87,7 @@ ru
 
 GLEVEL  = 500
 GVCORD  = PRES
-SKIP    = 0                  
+SKIP    = 0
 SCALE   = 5                  !-1
 GDPFUN   = (avor(wnd))        !hght
 TYPE   = c/f                !c
@@ -92,7 +96,7 @@ LINE    = 7/5/1/2            !20/1/2/1
 FINT    = 15;21;27;33;39;45;51;57
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!          !
-HLSYM   = 
+HLSYM   =
 WIND    = 0
 TITLE   = 5//~ ? GFS @ HEIGHTS AND VORTICITY|~WATL @ HGHT AND VORT!0
 li
@@ -148,7 +152,7 @@ ru
 
 GLEVEL  = 500
 GVCORD  = PRES
-SKIP    = 0                  
+SKIP    = 0
 SCALE   = 5                  !-1
 GDPFUN  = (avor(wnd))        !hght
 TYPE    = c/f                !c
@@ -157,27 +161,29 @@ LINE    = 7/5/1/2            !20/1/2/1
 FINT    = 15;21;27;33;39;45;51;57
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!          !
-HLSYM   = 
+HLSYM   =
 WIND    = 0
 TITLE   = 5//~ ? GFS @ HEIGHTS AND VORTICITY|~EPAC @ HGHT AND VORT!0
 li
 ru
 exit
 EOFplt
+export err=$?;err_chk
 
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_ql
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_ql
-   fi
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_ql"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_ql"
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_mar_skewt.sh b/gempak/ush/gfs_meta_mar_skewt.sh
index a49439d6a0..e61c4cb1dc 100755
--- a/gempak/ush/gfs_meta_mar_skewt.sh
+++ b/gempak/ush/gfs_meta_mar_skewt.sh
@@ -1,31 +1,35 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_mar_skewt.sh
 #
-# Log :
-# J. Carr/PMB     12/08/2004    Pushed into production
-
 # Set up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/MAR_SKEWT"
+cd "${DATA}/MAR_SKEWT" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export PS4='MAR_SKEWT:$SECONDS + '
-mkdir -p -m 775 $DATA/MAR_SKEWT
-cd $DATA/MAR_SKEWT
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL="GFS"
 metatype="mar_skewt"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
 
-for fhr in 000 006 012 018 024 030 036 042 048 054 060 066 072
-do
-    export pgm=gdprof;. prep_step; startmsg
+for fhr in $(seq -f "%03g" -s ' ' 0 6 72); do
+    export pgm=gdprof;. prep_step
 
-$GEMEXE/gdprof << EOFplt
+   "${GEMEXE}/gdprof" << EOFplt
 GDATTIM  = F${fhr}
 GVCORD   = PRES
 GDFILE   = F-${MDL}
@@ -38,12 +42,12 @@ SCALE    = 0
 XAXIS    = -40/50/10/1;1;1
 YAXIS    = 1050/100//1;1;1
 WIND     = bk1
-REFVEC   = 
+REFVEC   =
 WINPOS   = 1
 FILTER   = no
 PANEL    = 0
 TEXT     = 1.2/22/2/hw
-DEVICE   = $device
+DEVICE   = ${device}
 OUTPUT   = T
 THTALN   = 18/1/1
 THTELN   = 23/2/1
@@ -272,25 +276,26 @@ ru
 
 exit
 EOFplt
-export err=$?;err_chk
+   export err=$?;err_chk
 
 done
 
-$GEMEXE/gpend
+"${GEMEXE}/gpend"
 
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_skewt
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_skewt
-   fi
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_skewt"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_skewt"
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_mar_ver.sh b/gempak/ush/gfs_meta_mar_ver.sh
index 79f4fc7096..32b5117ce0 100755
--- a/gempak/ush/gfs_meta_mar_ver.sh
+++ b/gempak/ush/gfs_meta_mar_ver.sh
@@ -1,31 +1,36 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_mar_ver.sh
 #
-# Log :
-# J. Carr/PMB    12/08/2004    Pushed into production
-#
 # Set up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/MAR_VER"
+cd "${DATA}/MAR_VER" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export PS4='MAR_VER:$SECONDS + '
-mkdir -p -m 775 $DATA/MAR_VER
-cd $DATA/MAR_VER
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL="GFS"
 metatype="mar_ver"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
 
-export pgm=gdplot2_nc;. prep_step; startmsg
+export pgm=gdplot2_nc;. prep_step
 
-$GEMEXE/gdplot2_nc << EOFplt
+"${GEMEXE}/gdplot2_nc" << EOFplt
 \$MAPFIL=hipowo.gsf+mefbao.ncp
-gdfile	= F-${MDL} | ${PDY2}/${cyc}00
+gdfile	= F-${MDL} | ${PDY:2}/${cyc}00
 gdattim	= f00-f48-6
 GLEVEL  = 9950
 GVCORD  = sgma
@@ -42,7 +47,7 @@ FLINE   =
 HILO    =
 HLSYM   =
 CLRBAR  =
-WIND    = 
+WIND    =
 REFVEC  =
 TITLE   = 31/-2/~ ? ${MDL} Gridded BL Wind Direction (40m AGL)|~ WATL GRIDDED WIND DIR!0
 TEXT    = 0.8/21/1/hw
@@ -51,7 +56,7 @@ GAREA   = 27.2;-81.9;46.7;-61.4
 PROJ    = STR/90.0;-67.0;1.0
 MAP     = 31+6
 LATLON  = 18/1/1/1;1/5;5
-DEVICE  = $device
+DEVICE  = ${device}
 STNPLT  = 31/1.3/22/1.6/hw|25/19/1.3/1.6|buoys.tbl
 SATFIL  =
 RADFIL  =
@@ -86,19 +91,21 @@ exit
 EOFplt
 
 export err=$?;err_chk
+
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
 
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_ver
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}_${PDY}_${cyc}_mar_ver
-   fi
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_ver"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_mar_ver"
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_nhsh.sh b/gempak/ush/gfs_meta_nhsh.sh
index 47ac4b1331..d52ed9a64c 100755
--- a/gempak/ush/gfs_meta_nhsh.sh
+++ b/gempak/ush/gfs_meta_nhsh.sh
@@ -1,39 +1,34 @@
-#!/bin/sh
-
+#! /usr/bin/env bash
 #
 # Metafile Script : mrf_meta_nhsh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# D.W.Plummer/NCEP   2/97   Added $MAPFIL=mepowo.gsf
-# D.W.Plummer/NCEP   4/97   Changed SKIP for grid2
-# B. Gordon          4/00   Converted for production on IBM-SP
-#                           and changed gdplot_nc -> gdplot2_nc
-# D. Michaud         4/16   Added logic to display different titles
-#                           for parallel runs
-# B. Gordon          7/02   Converted to run off the GFS due to demise
-#                           of the MRF.
-# J. Carr           11/04   Changed contur from 1 to a 2.
-#                           Added a ? to all title/TITLE lines.
-#
-set -xa
-mkdir -p -m 775 $DATA/mrfnhsh
-cd $DATA/mrfnhsh
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
 
-PDY2=$(echo $PDY | cut -c3-)
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/mrfnhsh"
+cd "${DATA}/mrfnhsh" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
-if [ "$envir" = "para" ] ; then
+if [[ "${envir}" == "para" ]] ; then
    export m_title="GFSP"
 else
    export m_title="GFS"
 fi
 
-export pgm=gdplot2_nc; prep_step; startmsg
+export pgm=gdplot2_nc; prep_step
 
-$GEMEXE/gdplot2_nc << EOF
+"${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL=mepowo.gsf
-GDFILE	= F-GFS | ${PDY2}/${cyc}00
+GDFILE	= F-GFS | ${PDY:2}/${cyc}00
 GDATTIM	= F000-F384-12
 DEVICE	= nc | Nmeta_nh
 PANEL	= 0
@@ -47,7 +42,7 @@ restore ${HOMEgfs}/gempak/ush/restore/garea_nh.nts
 
 restore ${HOMEgfs}/gempak/ush/restore/500mb_hght_absv.2.nts
 CLRBAR  = 1
-TEXT    = 1/21//hw 
+TEXT    = 1/21//hw
 SKIP	= 0                  !0                  !1
 SCALE	= 5                  !5                  !-1
 GFUNC	= (avor(wnd))//v     !mul(v,-1)          !hght
@@ -59,8 +54,8 @@ HILO	= 2;6/X;N/10-99;10-99!2;6/X;N/10-99;10-99!
 TITLE	= 5//~ ? @ HEIGHTS AND VORTICITY|~ @ HGHT AND VORTICITY!
 TEXT	= 1/21//hw
 CLEAR	= yes
- 
-TITLE	= 5//~ ? $m_title @ HEIGHTS AND VORTICITY|~ @ HGHT AND VORTICITY!0
+
+TITLE	= 5//~ ? ${m_title} @ HEIGHTS AND VORTICITY|~ @ HGHT AND VORTICITY!0
 l
 ru
 
@@ -68,7 +63,7 @@ ru
 restore ${HOMEgfs}/gempak/ush/restore/garea_sh.nts
 
 DEVICE	= nc | Nmeta_sh
-TITLE	= 5//~ ? $m_title @ HEIGHTS AND VORTICITY|~ @ HGHT AND VORTICITY!0
+TITLE	= 5//~ ? ${m_title} @ HEIGHTS AND VORTICITY|~ @ HGHT AND VORTICITY!0
 l
 ru
 
@@ -80,7 +75,7 @@ restore ${HOMEgfs}/gempak/ush/restore/250mb_hght_wnd.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
 GDPFUN  = knts((mag(wnd)))            !sm9s(hght)
-TITLE	= 5/-2/~ ? $m_title @ HEIGHTS, ISOTACHS AND WIND (KTS)|~ @ HGHT AND WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HEIGHTS, ISOTACHS AND WIND (KTS)|~ @ HGHT AND WIND!0
 l
 ru
 
@@ -95,7 +90,7 @@ TEXT    = 1/21//hw
 GDATTIM = F12-F240-12
 GDPFUN   = (quo(mul(pr12,43200),25.4))
 GDPFUN   = (quo(p12m,25.4))
-TITLE   = 5//~ ? $m_title 12-HOUR TOTAL PRECIPITATION (IN)|~ 12-HOURLY TOTAL PCPN
+TITLE   = 5//~ ? ${m_title} 12-HOUR TOTAL PRECIPITATION (IN)|~ 12-HOURLY TOTAL PCPN
 l
 r
 
@@ -112,27 +107,20 @@ export err=$?; err_chk
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l Nmeta_nh
-export err=$?;export pgm="GEMPAK CHECK FILE"; err_chk
-ls -l Nmeta_sh
-export err=$?;export pgm="GEMPAK CHECK FILE"; err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-  mv Nmeta_nh ${COMOUT}/gfs_${PDY}_${cyc}_nh
-  mv Nmeta_sh ${COMOUT}/gfs_${PDY}_${cyc}_sh
-  if [ $SENDDBN = "YES" ] ; then
-    $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-     $COMOUT/gfs_${PDY}_${cyc}_nh
-    $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-     $COMOUT/gfs_${PDY}_${cyc}_sh
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
-        DBN_ALERT_TYPE=GFS_METAFILE
-        $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-         $COMOUT/gfs_${PDY}_${cyc}_nh
-        $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-         $COMOUT/gfs_${PDY}_${cyc}_sh
-      fi
-  fi
-fi
-
-#
+for metaname in Nmeta_nh Nmeta_sh; do
+    if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+        echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+        exit $(( err + 100 ))
+    fi
+
+    mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_${metaname/Nmeta_}"
+    if [[ "${SENDDBN}" == "YES" ]] ; then
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_${metaname/Nmeta_}"
+        if [[ ${DBN_ALERT_TYPE} = "GFS_METAFILE_LAST" ]] ; then
+            DBN_ALERT_TYPE=GFS_METAFILE
+            "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+                "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_${metaname/Nmeta_}"
+        fi
+    fi
+done
diff --git a/gempak/ush/gfs_meta_opc_na_ver b/gempak/ush/gfs_meta_opc_na_ver
index 3c0798ebc6..1d543c52e9 100755
--- a/gempak/ush/gfs_meta_opc_na_ver
+++ b/gempak/ush/gfs_meta_opc_na_ver
@@ -1,247 +1,79 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_opc_na_ver
 #
-# Log :
-# J. Carr/HPC   12/08/2004     Submitted into production.
-#
 # Set up Local Variables
 #
-set -x
-#
-export PS4='OPC_NA_VER_F${fend}:$SECONDS + '
-mkdir -p -m 775 $DATA/OPC_NA_VER_F${fend}
-cd $DATA/OPC_NA_VER_F${fend}
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
 
-export COMPONENT=${COMPONENT:-atmos}
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/OPC_NA_VER_F${fend}"
+cd "${DATA}/OPC_NA_VER_F${fend}" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL="GFS"
-metatype="ver"
 metaname="gfsver_mpc_na_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
-#
-# DEFINE 1 CYCLE AGO
-dc1=$($NDATE -06 ${PDY}${cyc} | cut -c -10)
-date1=$(echo ${dc1} | cut -c -8)
-sdate1=$(echo ${dc1} | cut -c 3-8)
-cycle1=$(echo ${dc1} | cut -c 9,10)
-# DEFINE 2 CYCLES AGO
-dc2=$($NDATE -12 ${PDY}${cyc} | cut -c -10)
-date2=$(echo ${dc2} | cut -c -8)
-sdate2=$(echo ${dc2} | cut -c 3-8)
-cycle2=$(echo ${dc2} | cut -c 9,10)
-# DEFINE 3 CYCLES AGO
-dc3=$($NDATE -18 ${PDY}${cyc} | cut -c -10)
-date3=$(echo ${dc3} | cut -c -8)
-sdate3=$(echo ${dc3} | cut -c 3-8)
-cycle3=$(echo ${dc3} | cut -c 9,10)
-# DEFINE 4 CYCLES AGO
-dc4=$($NDATE -24 ${PDY}${cyc} | cut -c -10)
-date4=$(echo ${dc4} | cut -c -8)
-sdate4=$(echo ${dc4} | cut -c 3-8)
-cycle4=$(echo ${dc4} | cut -c 9,10)
-# DEFINE 5 CYCLES AGO
-dc5=$($NDATE -30 ${PDY}${cyc} | cut -c -10)
-date5=$(echo ${dc5} | cut -c -8)
-sdate5=$(echo ${dc5} | cut -c 3-8)
-cycle5=$(echo ${dc5} | cut -c 9,10)
-# DEFINE 6 CYCLES AGO
-dc6=$($NDATE -36 ${PDY}${cyc} | cut -c -10)
-date6=$(echo ${dc6} | cut -c -8)
-sdate6=$(echo ${dc6} | cut -c 3-8)
-cycle6=$(echo ${dc6} | cut -c 9,10)
-# DEFINE 7 CYCLES AGO
-dc7=$($NDATE -42 ${PDY}${cyc} | cut -c -10)
-date7=$(echo ${dc7} | cut -c -8)
-sdate7=$(echo ${dc7} | cut -c 3-8)
-cycle7=$(echo ${dc7} | cut -c 9,10)
-# DEFINE 8 CYCLES AGO
-dc8=$($NDATE -48 ${PDY}${cyc} | cut -c -10)
-date8=$(echo ${dc8} | cut -c -8)
-sdate8=$(echo ${dc8} | cut -c 3-8)
-cycle8=$(echo ${dc8} | cut -c 9,10)
-# DEFINE 9 CYCLES AGO
-dc9=$($NDATE -54 ${PDY}${cyc} | cut -c -10)
-date9=$(echo ${dc9} | cut -c -8)
-sdate9=$(echo ${dc9} | cut -c 3-8)
-cycle9=$(echo ${dc9} | cut -c 9,10)
-# DEFINE 10 CYCLES AGO
-dc10=$($NDATE -60 ${PDY}${cyc} | cut -c -10)
-date10=$(echo ${dc10} | cut -c -8)
-sdate10=$(echo ${dc10} | cut -c 3-8)
-cycle10=$(echo ${dc10} | cut -c 9,10)
-# DEFINE 11 CYCLES AGO
-dc11=$($NDATE -66 ${PDY}${cyc} | cut -c -10)
-date11=$(echo ${dc11} | cut -c -8)
-sdate11=$(echo ${dc11} | cut -c 3-8)
-cycle11=$(echo ${dc11} | cut -c 9,10)
-# DEFINE 12 CYCLES AGO
-dc12=$($NDATE -72 ${PDY}${cyc} | cut -c -10)
-date12=$(echo ${dc12} | cut -c -8)
-sdate12=$(echo ${dc12} | cut -c 3-8)
-cycle12=$(echo ${dc12} | cut -c 9,10)
-# DEFINE 13 CYCLES AGO
-dc13=$($NDATE -78 ${PDY}${cyc} | cut -c -10)
-date13=$(echo ${dc13} | cut -c -8)
-sdate13=$(echo ${dc13} | cut -c 3-8)
-cycle13=$(echo ${dc13} | cut -c 9,10)
-# DEFINE 14 CYCLES AGO
-dc14=$($NDATE -84 ${PDY}${cyc} | cut -c -10)
-date14=$(echo ${dc14} | cut -c -8)
-sdate14=$(echo ${dc14} | cut -c 3-8)
-cycle14=$(echo ${dc14} | cut -c 9,10)
-# DEFINE 15 CYCLES AGO
-dc15=$($NDATE -90 ${PDY}${cyc} | cut -c -10)
-date15=$(echo ${dc15} | cut -c -8)
-sdate15=$(echo ${dc15} | cut -c 3-8)
-cycle15=$(echo ${dc15} | cut -c 9,10)
-# DEFINE 16 CYCLES AGO
-dc16=$($NDATE -96 ${PDY}${cyc} | cut -c -10)
-date16=$(echo ${dc16} | cut -c -8)
-sdate16=$(echo ${dc16} | cut -c 3-8)
-cycle16=$(echo ${dc16} | cut -c 9,10)
-# DEFINE 17 CYCLES AGO
-dc17=$($NDATE -102 ${PDY}${cyc} | cut -c -10)
-date17=$(echo ${dc17} | cut -c -8)
-sdate17=$(echo ${dc17} | cut -c 3-8)
-cycle17=$(echo ${dc17} | cut -c 9,10)
-# DEFINE 18 CYCLES AGO
-dc18=$($NDATE -108 ${PDY}${cyc} | cut -c -10)
-date18=$(echo ${dc18} | cut -c -8)
-sdate18=$(echo ${dc18} | cut -c 3-8)
-cycle18=$(echo ${dc18} | cut -c 9,10)
-# DEFINE 19 CYCLES AGO
-dc19=$($NDATE -114 ${PDY}${cyc} | cut -c -10)
-date19=$(echo ${dc19} | cut -c -8)
-sdate19=$(echo ${dc19} | cut -c 3-8)
-cycle19=$(echo ${dc19} | cut -c 9,10)
-# DEFINE 20 CYCLES AGO
-dc20=$($NDATE -120 ${PDY}${cyc} | cut -c -10)
-date20=$(echo ${dc20} | cut -c -8)
-sdate20=$(echo ${dc20} | cut -c 3-8)
-cycle20=$(echo ${dc20} | cut -c 9,10)
-# DEFINE 21 CYCLES AGO
-dc21=$($NDATE -126 ${PDY}${cyc} | cut -c -10)
-date21=$(echo ${dc21} | cut -c -8)
-sdate21=$(echo ${dc21} | cut -c 3-8)
-cycle21=$(echo ${dc21} | cut -c 9,10)
 
 # SET CURRENT CYCLE AS THE VERIFICATION GRIDDED FILE.
-vergrid="F-${MDL} | ${PDY2}/${cyc}00"
+vergrid="F-${MDL} | ${PDY:2}/${cyc}00"
 fcsthr="f00"
 
 # SET WHAT RUNS TO COMPARE AGAINST BASED ON MODEL CYCLE TIME.
-if [ ${cyc} -eq 00 ] ; then
-    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc16} ${dc18} ${dc20}"
-elif [ ${cyc} -eq 12 ] ; then
-    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc16} ${dc18} ${dc20}"
-else
-    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc15} ${dc17} ${dc19} ${dc21}"
-fi 
+# seq won't give us any splitting problems, ignore warnings
+# shellcheck disable=SC2207,SC2312
+case ${cyc} in
+    00 | 12) IFS=$'\n' lookbacks=($(seq 6 6 84) $(seq 96 12 120)) ;;
+    06 | 18) IFS=$'\n' lookbacks=($(seq 6 6 84) $(seq 90 12 126)) ;;
+    *)
+        echo "FATAL ERROR: Invalid cycle ${cyc} passed to ${BASH_SOURCE[0]}"
+        exit 100
+        ;;
+esac
 
 #GENERATING THE METAFILES.
 MDL2="GFSHPC"
-for verday in ${verdays}
-    do
-    cominday=$(echo ${verday} | cut -c -8)
-    #XXW export HPCGFS=$COMROOT/nawips/prod/${mdl}.${cominday}
-    # BV export HPCGFS=$COMROOT/nawips/${envir}/${mdl}.${cominday}
-    export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cyc}/${COMPONENT}/gempak
+for lookback in "${lookbacks[@]}"; do
+    init_time="$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - ${lookback} hours")"
+    init_PDY=${init_time:0:8}
+    init_cyc=${init_time:8:2}
+
+    if (( init_time <= ${SDATE:-0} )); then
+        echo "Skipping ver for ${init_time} because it is before the experiment began"
+        if (( lookback == "${lookbacks[0]}" )); then
+            echo "First forecast time, no metafile produced"
+            exit 0
+        else
+            break
+        fi
+    fi
 
-    if [ ${verday} -eq ${dc1} ] ; then
-        dgdattim=f006
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle1}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate1}/${cycle1}00"
-    elif [ ${verday} -eq ${dc2} ] ; then
-        dgdattim=f012
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle2}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate2}/${cycle2}00"
-    elif [ ${verday} -eq ${dc3} ] ; then
-        dgdattim=f018
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle3}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate3}/${cycle3}00"
-    elif [ ${verday} -eq ${dc4} ] ; then
-        dgdattim=f024
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle4}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate4}/${cycle4}00"
-    elif [ ${verday} -eq ${dc5} ] ; then
-        dgdattim=f030
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle5}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate5}/${cycle5}00"
-    elif [ ${verday} -eq ${dc6} ] ; then
-        dgdattim=f036
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle6}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate6}/${cycle6}00"
-    elif [ ${verday} -eq ${dc7} ] ; then
-        dgdattim=f042
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle7}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate7}/${cycle7}00"
-    elif [ ${verday} -eq ${dc8} ] ; then
-        dgdattim=f048
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle8}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate8}/${cycle8}00"
-    elif [ ${verday} -eq ${dc9} ] ; then
-        dgdattim=f054
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle9}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate9}/${cycle9}00"
-    elif [ ${verday} -eq ${dc10} ] ; then
-        dgdattim=f060
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle10}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate10}/${cycle10}00"
-    elif [ ${verday} -eq ${dc11} ] ; then
-        dgdattim=f066
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle11}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate11}/${cycle11}00"
-    elif [ ${verday} -eq ${dc12} ] ; then
-        dgdattim=f072
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle12}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate12}/${cycle12}00"
-    elif [ ${verday} -eq ${dc13} ] ; then
-        dgdattim=f078
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle13}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate13}/${cycle13}00"
-    elif [ ${verday} -eq ${dc14} ] ; then
-        dgdattim=f084
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle14}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate14}/${cycle14}00"
-    elif [ ${verday} -eq ${dc15} ] ; then
-        dgdattim=f090
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle15}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate15}/${cycle15}00"
-    elif [ ${verday} -eq ${dc16} ] ; then
-        dgdattim=f096
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle16}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate16}/${cycle16}00"
-    elif [ ${verday} -eq ${dc17} ] ; then
-        dgdattim=f102
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle17}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate17}/${cycle17}00"
-    elif [ ${verday} -eq ${dc18} ] ; then
-        dgdattim=f108
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle18}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate18}/${cycle18}00"
-    elif [ ${verday} -eq ${dc19} ] ; then
-        dgdattim=f114
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle19}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate19}/${cycle19}00"
-    elif [ ${verday} -eq ${dc20} ] ; then
-        dgdattim=f120
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle20}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate20}/${cycle20}00"
-    elif [ ${verday} -eq ${dc21} ] ; then
-        dgdattim=f126
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle21}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate21}/${cycle21}00"
+    dgdattim="f$(printf "%03g" "${lookback}")"
+
+    # Create symlink in DATA to sidestep gempak path limits
+    HPCGFS="${RUN}.${init_time}"
+    if [[ ! -L ${HPCGFS} ]]; then
+        YMD=${init_PDY} HH=${init_cyc} GRID="1p00" generate_com source_dir:COM_ATMOS_GEMPAK_TMPL
+        ln -sf "${source_dir}" "${HPCGFS}"
     fi
 
-# 500 MB HEIGHT METAFILE
-export pgm=gdplot2_nc;. prep_step; startmsg
+    grid="F-${MDL2} | ${init_PDY}/${init_cyc}00"
+
+    # 500 MB HEIGHT METAFILE
+    export pgm=gdplot2_nc;. prep_step
 
-$GEMEXE/gdplot2_nc << EOFplt
-PROJ     = MER 
+    "${GEMEXE}/gdplot2_nc" << EOFplt
+PROJ     = MER
 GAREA    = 15.0;-100.0;70.0;20.0
 map      = 1//2
 clear    = yes
@@ -294,11 +126,11 @@ r
 gdfile   = ${vergrid}
 gdattim  = ${fcsthr}
 gdpfun   = mag(kntv(wnd))
-glevel   = 9950 
-gvcord   = sgma 
-scale    = 0 
-cint     = 35;50;65 
-line     = 6/1/3 
+glevel   = 9950
+gvcord   = sgma
+scale    = 0
+cint     = 35;50;65
+line     = 6/1/3
 title    = 6/-2/~ GFS WIND ISOTACHS 30m|~WIND DIFF
 clear    = yes
 r
@@ -306,29 +138,35 @@ r
 gdfile   = ${grid}
 gdattim  = ${dgdattim}
 line     = 5/1/3
-contur   = 0 
-title    = 5/-1/~ GFS WIND ISOTACHS 30m 
+contur   = 0
+title    = 5/-1/~ GFS WIND ISOTACHS 30m
 clear    = no
 r
 
 ex
 EOFplt
 
-export err=$?;err_chk
+    export err=$?;err_chk
+    if (( err != 0 )); then
+        echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+        exit $(( err + 100 ))
+    fi
 done
 
-####################################################
+#####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l ${metaname}
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}ver_${PDY}_${cyc}_na_mar
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}ver_${PDY}_${cyc}_na_mar
-   fi
+if [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit 100
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}ver_${PDY}_${cyc}_na_mar"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}ver_${PDY}_${cyc}_na_mar"
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_opc_np_ver b/gempak/ush/gfs_meta_opc_np_ver
index f9f3fc88ab..45a6824fa8 100755
--- a/gempak/ush/gfs_meta_opc_np_ver
+++ b/gempak/ush/gfs_meta_opc_np_ver
@@ -1,249 +1,79 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_opc_np_ver
 #
-# Log :
-# J. Carr/HPC   12/08/2004     Submitted into production.
-#
 # Set up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/OPC_NP_VER_F${fend}"
+cd "${DATA}/OPC_NP_VER_F${fend}" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
 #
-export PS4='OPC_NP_VER_F${fend}:$SECONDS + '
-mkdir -p -m 775 $DATA/OPC_NP_VER_F${fend}
-cd $DATA/OPC_NP_VER_F${fend}
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export COMPONENT=${COMPONENT:-atmos}
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL="GFS"
-metatype="ver"
 metaname="gfsver_mpc_np_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
-#
-#
-# DEFINE 1 CYCLE AGO
-dc1=$($NDATE -06 ${PDY}${cyc} | cut -c -10)
-date1=$(echo ${dc1} | cut -c -8)
-sdate1=$(echo ${dc1} | cut -c 3-8)
-cycle1=$(echo ${dc1} | cut -c 9,10)
-# DEFINE 2 CYCLES AGO
-dc2=$($NDATE -12 ${PDY}${cyc} | cut -c -10)
-date2=$(echo ${dc2} | cut -c -8)
-sdate2=$(echo ${dc2} | cut -c 3-8)
-cycle2=$(echo ${dc2} | cut -c 9,10)
-# DEFINE 3 CYCLES AGO
-dc3=$($NDATE -18 ${PDY}${cyc} | cut -c -10)
-date3=$(echo ${dc3} | cut -c -8)
-sdate3=$(echo ${dc3} | cut -c 3-8)
-cycle3=$(echo ${dc3} | cut -c 9,10)
-# DEFINE 4 CYCLES AGO
-dc4=$($NDATE -24 ${PDY}${cyc} | cut -c -10)
-date4=$(echo ${dc4} | cut -c -8)
-sdate4=$(echo ${dc4} | cut -c 3-8)
-cycle4=$(echo ${dc4} | cut -c 9,10)
-# DEFINE 5 CYCLES AGO
-dc5=$($NDATE -30 ${PDY}${cyc} | cut -c -10)
-date5=$(echo ${dc5} | cut -c -8)
-sdate5=$(echo ${dc5} | cut -c 3-8)
-cycle5=$(echo ${dc5} | cut -c 9,10)
-# DEFINE 6 CYCLES AGO
-dc6=$($NDATE -36 ${PDY}${cyc} | cut -c -10)
-date6=$(echo ${dc6} | cut -c -8)
-sdate6=$(echo ${dc6} | cut -c 3-8)
-cycle6=$(echo ${dc6} | cut -c 9,10)
-# DEFINE 7 CYCLES AGO
-dc7=$($NDATE -42 ${PDY}${cyc} | cut -c -10)
-date7=$(echo ${dc7} | cut -c -8)
-sdate7=$(echo ${dc7} | cut -c 3-8)
-cycle7=$(echo ${dc7} | cut -c 9,10)
-# DEFINE 8 CYCLES AGO
-dc8=$($NDATE -48 ${PDY}${cyc} | cut -c -10)
-date8=$(echo ${dc8} | cut -c -8)
-sdate8=$(echo ${dc8} | cut -c 3-8)
-cycle8=$(echo ${dc8} | cut -c 9,10)
-# DEFINE 9 CYCLES AGO
-dc9=$($NDATE -54 ${PDY}${cyc} | cut -c -10)
-date9=$(echo ${dc9} | cut -c -8)
-sdate9=$(echo ${dc9} | cut -c 3-8)
-cycle9=$(echo ${dc9} | cut -c 9,10)
-# DEFINE 10 CYCLES AGO
-dc10=$($NDATE -60 ${PDY}${cyc} | cut -c -10)
-date10=$(echo ${dc10} | cut -c -8)
-sdate10=$(echo ${dc10} | cut -c 3-8)
-cycle10=$(echo ${dc10} | cut -c 9,10)
-# DEFINE 11 CYCLES AGO
-dc11=$($NDATE -66 ${PDY}${cyc} | cut -c -10)
-date11=$(echo ${dc11} | cut -c -8)
-sdate11=$(echo ${dc11} | cut -c 3-8)
-cycle11=$(echo ${dc11} | cut -c 9,10)
-# DEFINE 12 CYCLES AGO
-dc12=$($NDATE -72 ${PDY}${cyc} | cut -c -10)
-date12=$(echo ${dc12} | cut -c -8)
-sdate12=$(echo ${dc12} | cut -c 3-8)
-cycle12=$(echo ${dc12} | cut -c 9,10)
-# DEFINE 13 CYCLES AGO
-dc13=$($NDATE -78 ${PDY}${cyc} | cut -c -10)
-date13=$(echo ${dc13} | cut -c -8)
-sdate13=$(echo ${dc13} | cut -c 3-8)
-cycle13=$(echo ${dc13} | cut -c 9,10)
-# DEFINE 14 CYCLES AGO
-dc14=$($NDATE -84 ${PDY}${cyc} | cut -c -10)
-date14=$(echo ${dc14} | cut -c -8)
-sdate14=$(echo ${dc14} | cut -c 3-8)
-cycle14=$(echo ${dc14} | cut -c 9,10)
-# DEFINE 15 CYCLES AGO
-dc15=$($NDATE -90 ${PDY}${cyc} | cut -c -10)
-date15=$(echo ${dc15} | cut -c -8)
-sdate15=$(echo ${dc15} | cut -c 3-8)
-cycle15=$(echo ${dc15} | cut -c 9,10)
-# DEFINE 16 CYCLES AGO
-dc16=$($NDATE -96 ${PDY}${cyc} | cut -c -10)
-date16=$(echo ${dc16} | cut -c -8)
-sdate16=$(echo ${dc16} | cut -c 3-8)
-cycle16=$(echo ${dc16} | cut -c 9,10)
-# DEFINE 17 CYCLES AGO
-dc17=$($NDATE -102 ${PDY}${cyc} | cut -c -10)
-date17=$(echo ${dc17} | cut -c -8)
-sdate17=$(echo ${dc17} | cut -c 3-8)
-cycle17=$(echo ${dc17} | cut -c 9,10)
-# DEFINE 18 CYCLES AGO
-dc18=$($NDATE -108 ${PDY}${cyc} | cut -c -10)
-date18=$(echo ${dc18} | cut -c -8)
-sdate18=$(echo ${dc18} | cut -c 3-8)
-cycle18=$(echo ${dc18} | cut -c 9,10)
-# DEFINE 19 CYCLES AGO
-dc19=$($NDATE -114 ${PDY}${cyc} | cut -c -10)
-date19=$(echo ${dc19} | cut -c -8)
-sdate19=$(echo ${dc19} | cut -c 3-8)
-cycle19=$(echo ${dc19} | cut -c 9,10)
-# DEFINE 20 CYCLES AGO
-dc20=$($NDATE -120 ${PDY}${cyc} | cut -c -10)
-date20=$(echo ${dc20} | cut -c -8)
-sdate20=$(echo ${dc20} | cut -c 3-8)
-cycle20=$(echo ${dc20} | cut -c 9,10)
-# DEFINE 21 CYCLES AGO
-dc21=$($NDATE -126 ${PDY}${cyc} | cut -c -10)
-date21=$(echo ${dc21} | cut -c -8)
-sdate21=$(echo ${dc21} | cut -c 3-8)
-cycle21=$(echo ${dc21} | cut -c 9,10)
 
 # SET CURRENT CYCLE AS THE VERIFICATION GRIDDED FILE.
-vergrid="F-${MDL} | ${PDY2}/${cyc}00"
+vergrid="F-${MDL} | ${PDY:2}/${cyc}00"
 fcsthr="f00"
 
 # SET WHAT RUNS TO COMPARE AGAINST BASED ON MODEL CYCLE TIME.
-if [ ${cyc} -eq 00 ] ; then
-    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc16} ${dc18} ${dc20}"
-elif [ ${cyc} -eq 12 ] ; then
-    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc16} ${dc18} ${dc20}"
-else
-    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc15} ${dc17} ${dc19} ${dc21}"
-fi 
+# seq won't give us any splitting problems, ignore warnings
+# shellcheck disable=SC2207,SC2312
+case ${cyc} in
+    00 | 12) IFS=$'\n' lookbacks=($(seq 6 6 84) $(seq 96 12 120)) ;;
+    06 | 18) IFS=$'\n' lookbacks=($(seq 6 6 84) $(seq 90 12 126)) ;;
+    *)
+        echo "FATAL ERROR: Invalid cycle ${cyc} passed to ${BASH_SOURCE[0]}"
+        exit 100
+        ;;
+esac
 
 #GENERATING THE METAFILES.
 MDL2="GFSHPC"
-for verday in ${verdays}
-    do
-    cominday=$(echo ${verday} | cut -c -8)
-    #XXW export HPCGFS=$COMROOT/nawips/prod/${mdl}.${cominday}
-    # BV export HPCGFS=$COMROOT/nawips/${envir}/${mdl}.${cominday}
-    export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cyc}/${COMPONENT}/gempak
+for lookback in "${lookbacks[@]}"; do
+    init_time="$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - ${lookback} hours")"
+    init_PDY=${init_time:0:8}
+    init_cyc=${init_time:8:2}
+
+    if (( init_time <= ${SDATE:-0} )); then
+        echo "Skipping ver for ${init_time} because it is before the experiment began"
+        if (( lookback == "${lookbacks[0]}" )); then
+            echo "First forecast time, no metafile produced"
+            exit 0
+        else
+            break
+        fi
+    fi
 
-    if [ ${verday} -eq ${dc1} ] ; then
-        dgdattim=f006
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle1}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate1}/${cycle1}00"
-    elif [ ${verday} -eq ${dc2} ] ; then
-        dgdattim=f012
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle2}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate2}/${cycle2}00"
-    elif [ ${verday} -eq ${dc3} ] ; then
-        dgdattim=f018
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle3}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate3}/${cycle3}00"
-    elif [ ${verday} -eq ${dc4} ] ; then
-        dgdattim=f024
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle4}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate4}/${cycle4}00"
-    elif [ ${verday} -eq ${dc5} ] ; then
-        dgdattim=f030
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle5}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate5}/${cycle5}00"
-    elif [ ${verday} -eq ${dc6} ] ; then
-        dgdattim=f036
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle6}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate6}/${cycle6}00"
-    elif [ ${verday} -eq ${dc7} ] ; then
-        dgdattim=f042
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle7}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate7}/${cycle7}00"
-    elif [ ${verday} -eq ${dc8} ] ; then
-        dgdattim=f048
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle8}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate8}/${cycle8}00"
-    elif [ ${verday} -eq ${dc9} ] ; then
-        dgdattim=f054
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle9}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate9}/${cycle9}00"
-    elif [ ${verday} -eq ${dc10} ] ; then
-        dgdattim=f060
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle10}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate10}/${cycle10}00"
-    elif [ ${verday} -eq ${dc11} ] ; then
-        dgdattim=f066
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle11}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate11}/${cycle11}00"
-    elif [ ${verday} -eq ${dc12} ] ; then
-        dgdattim=f072
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle12}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate12}/${cycle12}00"
-    elif [ ${verday} -eq ${dc13} ] ; then
-        dgdattim=f078
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle13}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate13}/${cycle13}00"
-    elif [ ${verday} -eq ${dc14} ] ; then
-        dgdattim=f084
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle14}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate14}/${cycle14}00"
-    elif [ ${verday} -eq ${dc15} ] ; then
-        dgdattim=f090
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle15}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate15}/${cycle15}00"
-    elif [ ${verday} -eq ${dc16} ] ; then
-        dgdattim=f096
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle16}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate16}/${cycle16}00"
-    elif [ ${verday} -eq ${dc17} ] ; then
-        dgdattim=f102
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle17}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate17}/${cycle17}00"
-    elif [ ${verday} -eq ${dc18} ] ; then
-        dgdattim=f108
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle18}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate18}/${cycle18}00"
-    elif [ ${verday} -eq ${dc19} ] ; then
-        dgdattim=f114
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle19}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate19}/${cycle19}00"
-    elif [ ${verday} -eq ${dc20} ] ; then
-        dgdattim=f120
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle20}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate20}/${cycle20}00"
-    elif [ ${verday} -eq ${dc21} ] ; then
-        dgdattim=f126
-        export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle21}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate21}/${cycle21}00"
+    dgdattim="f$(printf "%03g" "${lookback}")"
+
+    # Create symlink in DATA to sidestep gempak path limits
+    HPCGFS="${RUN}.${init_time}"
+    if [[ ! -L "${HPCGFS}" ]]; then
+        YMD=${init_PDY} HH=${init_cyc} GRID="1p00" generate_com source_dir:COM_ATMOS_GEMPAK_TMPL
+        ln -sf "${source_dir}" "${HPCGFS}"
     fi
 
-# 500 MB HEIGHT METAFILE
+    grid="F-${MDL2} | ${init_PDY}/${init_cyc}00"
 
-export pgm=gdplot2_nc;. prep_step; startmsg
+    # 500 MB HEIGHT METAFILE
+    export pgm=gdplot2_nc;. prep_step
 
-$GEMEXE/gdplot2_nc << EOFplt
-PROJ     = MER 
+    "${GEMEXE}/gdplot2_nc" << EOFplt
+PROJ     = MER
 GAREA    = 5.0;120.0;70.0;-105.0
 map      = 1//2
 clear    = yes
@@ -296,11 +126,11 @@ r
 gdfile   = ${vergrid}
 gdattim  = ${fcsthr}
 gdpfun   = mag(kntv(wnd))
-glevel   = 9950 
-gvcord   = sgma 
-scale    = 0 
-cint     = 35;50;65 
-line     = 6/1/3 
+glevel   = 9950
+gvcord   = sgma
+scale    = 0
+cint     = 35;50;65
+line     = 6/1/3
 title    = 6/-2/~ GFS WIND ISOTACHS 30m|~WIND DIFF
 clear    = yes
 r
@@ -308,29 +138,34 @@ r
 gdfile   = ${grid}
 gdattim  = ${dgdattim}
 line     = 5/1/3
-contur   = 0 
-title    = 5/-1/~ GFS WIND ISOTACHS 30m 
+contur   = 0
+title    = 5/-1/~ GFS WIND ISOTACHS 30m
 clear    = no
 r
 
 ex
 EOFplt
-export err=$?;err_chk
-
+    export err=$?;err_chk
+    if (( err != 0 )); then
+        echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+        exit $(( err + 100 ))
+    fi
 done
 
-####################################################
+#####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l ${metaname}
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}ver_${PDY}_${cyc}_np_mar
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job ${COMOUT}/${mdl}ver_${PDY}_${cyc}_np_mar
-   fi
+if [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit 100
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}ver_${PDY}_${cyc}_np_mar"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}ver_${PDY}_${cyc}_np_mar"
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_precip.sh b/gempak/ush/gfs_meta_precip.sh
index a21bcc7d98..940a450106 100755
--- a/gempak/ush/gfs_meta_precip.sh
+++ b/gempak/ush/gfs_meta_precip.sh
@@ -1,17 +1,24 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_precip.sh
 #
-# Log :
-# M. Klein/WPC    01/29/2014   Created.  Adapted from gfs_meta_qpf.sh
-#
 # Set up Local Variables
 #
-set -x
-export PS4='qpf:$SECONDS + '
-mkdir -p -m 775 $DATA/precip
-cd $DATA/precip
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/precip"
+cd "${DATA}/precip" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 #
 # Set model and metafile naming conventions
@@ -21,13 +28,12 @@ MDL=GFS
 metatype="precip"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
 
 #
-# Set range of forecast hours.  GFS is available every 6 hours through F192, then 
+# Set range of forecast hours.  GFS is available every 6 hours through F192, then
 # every 12 hours after.  The request was to have the fields go to F216, so will run
 # the gdplot for the ranges set below, then for the 12-hour and greater QPF periods,
-# run the gdplot2 from F204-F216.  6-hour QPF will stop at F192. 
+# run the gdplot2 from F204-F216.  6-hour QPF will stop at F192.
 #
 
 gdatpcpn06="F006-F192-06"
@@ -41,7 +47,6 @@ gdatpcpn96="F096-F192-06"
 gdatpcpn120="F120-F192-06"
 gdatpcpn144="F144-F192-06"
 gdatpcpn168="F168-F192-06"
-run="r"
 
 #
 # For CPC - Day 6-10 and Day 8-14 QPFs using a North American regional display
@@ -49,49 +54,50 @@ run="r"
 garea_cpc="17.529;-129.296;53.771;-22.374"
 proj_cpc="str/90;-105;0"
 
-# Notes -- 
+# Notes --
 #  00Z cycle - 8-14 Day -- No F198 file, so started at F204. Makes a P156I, not P162I.
 #  06Z cycle - 6-10 Day -- No F258 file, so ended at F252.  Makes a P108I, not P114I.
-#            - 8-14 Day -- No F354 file, so ended at F348.  Makes a P156I, not P162I.            
+#            - 8-14 Day -- No F354 file, so ended at F348.  Makes a P156I, not P162I.
 #  12Z cycle - 8-14 Day -- No F210 file, so started at F216. Makes a P156I, not P162I.
 #  18Z cycle - 6-10 Day -- No F270 file, so ended at F264.  Makes a P108I, not P114I.
 #            - 8-14 Day -- No F366 file, so ended at F360. Makes a P156I, not P162I.
 
-gdattim_6to10=""
-gdattim_8to14=""
-gdpfun_6to10="p114i"
-gdpfun_8to14="p162i"
-if [ ${cyc} = "00" ] ; then
-    gdattim_6to10="${PDY2}/${cyc}00F264"
-    gdattim_8to14="${PDY2}/${cyc}00F360"
-    gdpfun_6to10="p114i"
-    gdpfun_8to14="p156i"
-elif [ ${cyc} = "06" ] ; then
-    #gdattim_6to10="${PDY2}/${cyc}00F258"
-    #gdattim_8to14="${PDY2}/${cyc}00F354"
-    gdattim_6to10="${PDY2}/${cyc}00F252"
-    gdattim_8to14="${PDY2}/${cyc}00F348"
-    gdpfun_6to10="p108i"
-    gdpfun_8to14="p156i"
-elif [ ${cyc} = "12" ] ; then
-    gdattim_6to10="${PDY2}/${cyc}00F276"
-    gdattim_8to14="${PDY2}/${cyc}00F372"
-    gdpfun_6to10="p114i"
-    gdpfun_8to14="p156i"
-elif [ ${cyc} = "18" ] ; then
-    #gdattim_6to10="${PDY2}/${cyc}00F270"
-    #gdattim_8to14="${PDY2}/${cyc}00F366"
-    gdattim_6to10="${PDY2}/${cyc}00F264"
-    gdattim_8to14="${PDY2}/${cyc}00F360"
-    gdpfun_6to10="p108i"
-    gdpfun_8to14="p156i"
-fi
-
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOFplt
-gdfile   = F-${MDL} | ${PDY2}/${cyc}00
+case ${cyc} in
+    00)
+        gdattim_6to10="${PDY:2}/${cyc}00F264"
+        gdattim_8to14="${PDY:2}/${cyc}00F360"
+        gdpfun_6to10="p114i"
+        gdpfun_8to14="p156i"
+        ;;
+    06)
+        gdattim_6to10="${PDY:2}/${cyc}00F252"
+        gdattim_8to14="${PDY:2}/${cyc}00F348"
+        gdpfun_6to10="p108i"
+        gdpfun_8to14="p156i"
+        ;;
+    12)
+        gdattim_6to10="${PDY:2}/${cyc}00F276"
+        gdattim_8to14="${PDY:2}/${cyc}00F372"
+        gdpfun_6to10="p114i"
+        gdpfun_8to14="p156i"
+        ;;
+    18)
+        gdattim_6to10="${PDY:2}/${cyc}00F264"
+        gdattim_8to14="${PDY:2}/${cyc}00F360"
+        gdpfun_6to10="p108i"
+        gdpfun_8to14="p156i"
+        ;;
+    *)
+        echo "FATAL ERROR: InvaLid cycle ${cyc} passed to ${BASH_SOURCE[0]}"
+        exit 100
+        ;;
+esac
+
+export pgm=gdplot2_nc;. prep_step
+"${GEMEXE}/gdplot2_nc" << EOFplt
+gdfile   = F-${MDL} | ${PDY:2}/${cyc}00
 garea    = us
-proj     = 
+proj     =
 map      = 1/1/2/yes
 device   = ${device}
 clear    = yes
@@ -131,15 +137,15 @@ scale    = 0
 gdpfun   = p06i
 type     = f
 cint     =
-line     = 
+line     =
 hilo     = 31;0/x#2/.01-20//50;50/y
 hlsym    = 1.5
-wind     = 
+wind     =
 title    = 1/-2/~ ? ${MDL} 6-HOUR TOTAL PCPN|~6-HR TOTAL PCPN!0
 l
 r
 
-gdattim  = ${gdatpcpn12} 
+gdattim  = ${gdatpcpn12}
 gdpfun   = p12i
 title    = 1/-2/~ ? ${MDL} 12-HOUR TOTAL PCPN|~12-HR TOTAL PCPN!0
 l
@@ -149,7 +155,7 @@ gdattim  = F204-F216-12
 l
 r
 
-gdattim  = ${gdatpcpn24}       
+gdattim  = ${gdatpcpn24}
 gdpfun   = p24i
 title    = 1/-2/~ ? ${MDL} 24-HOUR TOTAL PCPN|~24-HR TOTAL PCPN!0
 l
@@ -177,7 +183,7 @@ r
 gdattim  = F204-F216-12
 r
 
-gdattim  = ${gdatpcpn72}       
+gdattim  = ${gdatpcpn72}
 gdpfun   = p72i
 title    = 1/-2/~ ? ${MDL} 72 HOUR TOTAL PCPN|~72-HR TOTAL PCPN!0
 r
@@ -185,7 +191,7 @@ r
 gdattim  = F204-F216-12
 r
 
-gdattim  = ${gdatpcpn84}       
+gdattim  = ${gdatpcpn84}
 gdpfun   = p84i
 title    = 1/-2/~ ? ${MDL} 84 HOUR TOTAL PCPN|~84-HR TOTAL PCPN!0
 r
@@ -249,20 +255,20 @@ export err=$?;err_chk
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-      fi
-   fi
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
+    fi
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_qpf.sh b/gempak/ush/gfs_meta_qpf.sh
index 85cd7b94f8..d4f6c04310 100755
--- a/gempak/ush/gfs_meta_qpf.sh
+++ b/gempak/ush/gfs_meta_qpf.sh
@@ -1,58 +1,48 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_qpf.sh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# J. Carr/HPC      7/7/97   Changed script so that it uses gdplot2 instead of gdplot
-# J. Carr/HPC      8/5/98   Removed pcpn potential product and changed map to a medium resolution
-# J. Carr/HPC      2/2/99   Changed skip to 0
-# J. Carr/HPC     2/10/99   Changed type c/f to just f for pcpn
-# J. Carr/HPC     4/12/99   Added 84-hr time for the gfs.
-# J. Carr/HPC        6/99   Added a filter on map
-# J. Carr/HPC      2/2001   Edited to run on IBM.
-# J. Carr/HPC      5/2001   Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC      6/2001   Converted to a korn shell prior to delivering script to Production.
-# J. Carr/HPC      7/2001   Submitted.
-# J. Carr/HPC     11/2004   Changed contur from 1 to a 2.
-#                           Inserted a ? in all title lines.
-#                           Commented out if statement for cycles since this is old code based on when various runs of GFS ran
-#                           out to differing times.
-# M. Klein/HPC    02/2010   Run 48-hour QPF out to F216 for medium-range.
-#
 # Set up Local Variables
 #
-set -x
-export PS4='qpf:$SECONDS + '
-mkdir -p -m 775 $DATA/qpf
-cd $DATA/qpf
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/qpf"
+cd "${DATA}/qpf" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL=GFS
 metatype="qpf"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo $PDY | cut -c3-)
-    gdat="F000-F126-06"
-    gdatpcpn06="F006-F126-06"
-    gdatpcpn12="F012-F126-06"
-    gdatpcpn24="F024-F126-06"
-    gdatpcpn48="F048-F216-06"
-    gdatpcpn60="F060-F126-06"
-    gdatpcpn72="F072-F126-06"
-    gdatpcpn84="F084-F126-06"
-    gdatpcpn96="F096-F126-06"
-    gdatpcpn120="F120-F126-06"
-    gdatpcpn126="F126"
-    run="r"
-
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOFplt
-gdfile   = F-${MDL} | ${PDY2}/${cyc}00
+gdat="F000-F126-06"
+gdatpcpn06="F006-F126-06"
+gdatpcpn12="F012-F126-06"
+gdatpcpn24="F024-F126-06"
+gdatpcpn48="F048-F216-06"
+gdatpcpn60="F060-F126-06"
+gdatpcpn72="F072-F126-06"
+gdatpcpn84="F084-F126-06"
+gdatpcpn96="F096-F126-06"
+gdatpcpn120="F120-F126-06"
+run="r"
+
+export pgm=gdplot2_nc;. prep_step
+"${GEMEXE}/gdplot2_nc" << EOFplt
+gdfile   = F-${MDL} | ${PDY:2}/${cyc}00
 gdattim  = ${gdat}
 garea    = us
-proj     = 
+proj     =
 map      = 1/1/2/yes
 device   = ${device}
 clear    = yes
@@ -63,20 +53,20 @@ latlon   = 0
 filter   = yes
 
 glevel   = 0
-gvcord   = none 
+gvcord   = none
 skip     = 0
 scale    = 0
 gdpfun   = sm5s(lft4)!sm5s(lft4)  !sm5s(lft4)!kntv(wnd@9950%sgma)
 type     = c/f       !c           !c         !b
 cint     = 2/2       !-10000;0.05 !2/-100/-2
-line     = 20/-32/2  !0;5//0;4/0;0!32//2  
-fint     = -8;-6;-4;-2;0.05;10 
+line     = 20/-32/2  !0;5//0;4/0;0!32//2
+fint     = -8;-6;-4;-2;0.05;10
 fline    = 2;15;21;22;23;0;24
 hilo     = 0         !0
 hlsym    = 1;1//22;22/2;2/hw!0
 clrbar   = 1/V/LL    !0
-wind     = bk0       !bk0          !bk0       !bk10/0.8/2/112!bk0 
-refvec   = 
+wind     = bk0       !bk0          !bk0       !bk10/0.8/2/112!bk0
+refvec   =
 title    = 1/-2/~ ? ${MDL} Best LI AND BL WINDS|~BEST LI!0
 r
 
@@ -89,7 +79,7 @@ type     = c                      !c/f !c         !c             !c
 cint     = 0.25/0.25/0.5          !0.25/0.75/6.0!4!3/0/540!3/543/1000
 line     = 22///2                 !32//2/2!6//3!4/5/2!5/5/2
 fint     = 0                      !0.5;1.0;1.5;2.0
-fline    = 0                      !0;23;22;30;14       
+fline    = 0                      !0;23;22;30;14
 hilo     = 0                      !0!6/H#;L#/1020-1070;900-1012!0
 HLSYM    = 0                      !0!1.5;1.5//22;22/3;3/hw!0
 clrbar   = 0                      !1/V/LL!0!0
@@ -143,7 +133,7 @@ type     = c!c/f!b
 cint     = 0.25/0.25/0.5!0.25/0.75/6.0
 line     = 22///2!32//2/2
 fint     = !0.5;1.0;1.5;2.0
-fline    = !0;23;22;21;2       
+fline    = !0;23;22;21;2
 hilo     = 0!0
 HLSYM    = 0!0
 clrbar   = 0!1/V/LL
@@ -169,7 +159,7 @@ WIND     = !
 REFVEC   =
 TITLE    = 1/-2/~ ? ${MDL} PCPN POTENTIAL (PW X (1000-440 MB RH)) INCHES OF PW|~PCPN POT!0
 r
- 
+
 glevel   = 850!850!850
 gvcord   = pres!pres!pres
 skip     = 0/1;1
@@ -180,11 +170,11 @@ cint     = -4;-2;0;2;4!2/6/28!3
 line     = 3//1!32//1!6//3
 fint     = 4;8;12;16;20
 fline    = 0;23;22;30;14;2
-hilo     = 0!0!6/H#;L#  
+hilo     = 0!0!6/H#;L#
 hlsym    = 0!0!1.5;1.5//22;22/2;2/hw
 clrbar   = 1/V/LL!0
-wind     = bk0!bk0!bk0!bk9/0.8/2/212 
-refvec   = 
+wind     = bk0!bk0!bk0!bk9/0.8/2/212
+refvec   =
 title    = 1/-2/~ ? ${MDL} @ DEW POINT, WIND, AND HGHT|~@ DEW POINT!0
 r
 
@@ -205,25 +195,25 @@ refvec   =
 title    = 1/-2/~ ? ${MDL} @ DEWPOINT, WIND, AND HGHT|~@ DEWPOINT!0
 r
 
-glevel   = 850                    !850       !0         !850   
+glevel   = 850                    !850       !0         !850
 gvcord   = pres                   !pres      !none      !pres
 skip     = 0/1;2
 scale    = 2                      !-1/2      !0                                    !2
 gdpfun   = sm5s(mag(smul(mixr;wnd)!sm5s(hght)!sm5s(thte)!smul(mixr;wnd)
 type     = c/f                    !c         !c         !a
 cint     = 3                      !3         !5
-line     = 3                      !6//2      !25/10/2   
+line     = 3                      !6//2      !25/10/2
 fint     = 6;12;18;24;30
 fline    = 0;23;22;21;14;15;2
 hilo     = 0!6/H#;L#!0
 hlsym    = 0!1;1//22;22/2;2/hw
 clrbar   = 1/V/LL!0
-wind     = bk0!bk0!bk0!am16/0.6/2/211/0.3!bk0 
-refvec   = 10 
+wind     = bk0!bk0!bk0!am16/0.6/2/211/0.3!bk0
+refvec   = 10
 text     = s/22/2/hw
 title    = 1/-2/~ ? ${MDL} @ MOIST. TRNSPT, HGHT, BL THTE|~@ H2O TRANSPORT!0
 r
- 
+
 glevel	 = 850
 gvcord	 = pres
 skip     = 0/1;1
@@ -234,8 +224,8 @@ cint	 = 2                 !4//304    !4/308/324 !4/328
 line	 = 32/1/2            !23/10/3   !22/10/3   !21/1/2
 fint	 = -14;-10;-6;-2;2;6;10;14!
 fline	 = 7;29;30;24;0;14;15;18;5!
-hilo	 = 
-hlsym	 = 
+hilo	 =
+hlsym	 =
 clrbar	 = 1/V/LL!0
 wind	 = bk0               !bk0       !bk0        !bk0       !bk9/0.8/2/112!bk0
 refvec	 = 10
@@ -343,13 +333,13 @@ refvec   =
 title    = 1/-2/~ ? ${MDL} 6-HOUR TOTAL PCPN, MSLP |~6-HR TOTAL PCPN!0
 r
 
-gdattim  = ${gdatpcpn12} 
+gdattim  = ${gdatpcpn12}
 gdpfun   = p12i
 type     = f
 title    = 1/-2/~ ? ${MDL} 12-HOUR TOTAL PCPN|~12-HR TOTAL PCPN!0
 r
 
-gdattim  = ${gdatpcpn24}       
+gdattim  = ${gdatpcpn24}
 gdpfun   = p24i
 title    = 1/-2/~ ? ${MDL} 24-HOUR TOTAL PCPN|~24-HR TOTAL PCPN!0
 r
@@ -364,12 +354,12 @@ gdpfun   = p60i
 title    = 1/-2/~ ? ${MDL} 60 HOUR TOTAL PCPN|~60-HR TOTAL PCPN!0
 r
 
-gdattim  = ${gdatpcpn72}       
+gdattim  = ${gdatpcpn72}
 gdpfun   = p72i
 title    = 1/-2/~ ? ${MDL} 72 HOUR TOTAL PCPN|~72-HR TOTAL PCPN!0
 r
 
-gdattim  = ${gdatpcpn84}       
+gdattim  = ${gdatpcpn84}
 gdpfun   = p84i
 title    = 1/-2/~ ? ${MDL} 84 HOUR TOTAL PCPN|~84-HR TOTAL PCPN!0
 r
@@ -403,19 +393,19 @@ export err=$?;err_chk
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
-        DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_us_${metatype}
-      fi
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+   "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+      "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
+   if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
+      DBN_ALERT_TYPE=GFS_METAFILE
+      "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+         "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_us_${metatype}"
    fi
 fi
 
diff --git a/gempak/ush/gfs_meta_sa.sh b/gempak/ush/gfs_meta_sa.sh
index 1bd2ff7b59..2923cfc24e 100755
--- a/gempak/ush/gfs_meta_sa.sh
+++ b/gempak/ush/gfs_meta_sa.sh
@@ -1,52 +1,37 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_sa.sh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# J.W.Carr/HPC       4/97   Changed Comparison to 1200 UTC UKMET instead of 0000 UTC UKMET
-# J.W.Carr/HPC       4/97   Added UKMET2 --- past 72 hours to the comparison
-# J.W.Carr/HPC       2/98   changed garea of sfc conv, bl dwpt and wind product
-# J.W.Carr/HPC       5/98   converted gdplot to gdplot2
-# J.W.Carr/HPC       8/98   Changed map to medium resolution
-# J. Carr/HPC        7/99   Put a filter on map.
-# J. Carr/HPC       02/2001 Updated to run on IBM and send to ncodas
-# J. Carr/HPC       04/2001 Remove old metafiles from metaout before creating new ones.
-# J. Carr/HPC        5/2001 Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC        6/2001 Converted to a korn shell prior to delivering script to Production.
-# J. Carr/HPC        8/2001 Submitted.
-# J. Carr/HPC        3/2002 Tweaked a few products.
-#
 # Set Up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/SA"
+cd "${DATA}/SA" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export PS4='SA:$SECONDS + '
-mkdir -p -m 775 $DATA/SA
-cd $DATA/SA
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL=GFS
 metatype="sa"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo ${PDY} | cut -c3-)
-#
-#if [ ${cyc} -eq 00 ] ; then
-#    fend=F126
-#elif [ ${cyc} -eq 12 ] ; then
-#    fend=F126
-#else
-#    fend=F126
-#fi
 
 fend=F126
 #
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-${MDL} | ${PDY2}/${cyc}00
-GDATTIM	= F00-${fend}-06 
+export pgm=gdplot2_nc;. prep_step
+"${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-${MDL} | ${PDY:2}/${cyc}00
+GDATTIM	= F00-${fend}-06
 DEVICE	= ${device}
 PANEL	= 0
 TEXT	= 1/21//hw
@@ -72,8 +57,8 @@ FLINE   =
 HILO    = !!26;2/H#;L#/1020-1070;900-1012//30;30/y
 HLSYM   = 1.3;1.3//21//hw
 CLRBAR  = 1
-WIND    = !                         ! 
-REFVEC  = 
+WIND    = !                         !
+REFVEC  =
 TITLE	= 1/-2/~ ${MDL} MSLP, 1000-500mb THICK|~MSLP, 1000-500 THKN!
 ru
 
@@ -104,30 +89,30 @@ type    = c/f!c!c!c
 cint    = 13;25;38;50;62!4!4/0/540!4/544/600
 line    = 32/1/1!6/1/3!5/5/2!17/5/2
 fint    = 13;25;38;50
-fline   = 0;23;22;21;2      
+fline   = 0;23;22;21;2
 hilo    = 26;2/H#;L#/1017-1050;930-1004/2//y
 HLSYM   = 0!1.5;1.5//22;22/3;3/hw!0
 clrbar  = 1/V/LL!0
-wind    =  
+wind    =
 refvec  =
 title   = 1/-2/~ ${MDL} PW, EST MSLP, THICKNESS|~PRECIP WATER, MSLP!0
 r
 
-glevel  = 0!0 
-gvcord  = none 
-skip    = 0 
+glevel  = 0!0
+gvcord  = none
+skip    = 0
 scale   = 0
 gdpfun  = sm5s(lft4)!sm5s(lft4)!sm5s(lft4)!kntv(wnd@9950%sgma)
 type    = c/f       !c         !c         !b
 cint    = 3/3       !1/-0.5/0.5!3/-15/-3
-line    = 25/1/1    !22/1/2    !21/1/1  
-fint    = -9;-6;-3;3;6 
+line    = 25/1/1    !22/1/2    !21/1/1
+fint    = -9;-6;-3;3;6
 fline   = 2;15;22;0;0;24
 hilo    = 0!0
 hlsym   = 1;1//22;22/2;2/hw
 clrbar  = 1/V/LL!0
 wind    = bk0!bk0!bk0!bk9/0.9/2/112
-refvec  = 
+refvec  =
 title   = 1/-2/~ ${MDL} LI AND BL WINDS|~LIFTED INDEX!0
 r
 
@@ -142,7 +127,7 @@ scale   = 7   !0   !0
 gdpfun  = sm5s(sdiv(mixr(dwpc;pres@0%none);wnd)!sm5s(dwpc)!sm5s(dwpc)!kntv(wnd@9950%sgma)
 type    = f                               !c         !c         !b
 cint    = 1//-1                           !3/12      !3/21
-line    = 32                              !5//2      !6//2                      
+line    = 32                              !5//2      !6//2
 clrbar  = 1/V/LL!0
 fint    = -8;-6;-4;-2
 fline   = 2;23;22;3;0
@@ -159,13 +144,13 @@ GAREA   = -66;-127;14.5;-19
 GLEVEL  = 0            !0      !0         !0
 GVCORD  = none         !none   !none      !none
 SKIP    = 0
-SCALE   = 0               
+SCALE   = 0
 GDPFUN  = sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)!sm5s(pmsl)!kntv(wnd@9950%sgma)
 TYPE    = c/f          !c      !c         !c         !b
 CINT    = 3/-99/0      !3/3/21 !3/24/99   !4
 LINE    = 27/1/2       !2/1/2  !16/1/2    !19//3
-FINT    = -18;-15;-12;-9;-6;-3;0      
-FLINE   = 30;29;7;6;4;25;24;0       
+FINT    = -18;-15;-12;-9;-6;-3;0
+FLINE   = 30;29;7;6;4;25;24;0
 HILO    = 0            !0      !0         !26;2/H#;L#/1016-1050;930-1006/2//y
 HLSYM   = 0            !0      !0         !1.5;1.5//22;22/3;3/hw
 CLRBAR  = 1/V/LL       !0
@@ -188,13 +173,13 @@ GAREA   = -66;-127;14.5;-19
 GLEVEL  = 9950         !9950   !9950      !0
 GVCORD  = sgma!sgma!sgma!none
 SKIP    = 0
-SCALE   = 0               
+SCALE   = 0
 GDPFUN  = sm5s(tmpc)!sm5s(tmpc)!sm5s(tmpc)!sm5s(pmsl)!kntv(wnd@9950%sgma)
 TYPE    = c/f          !c      !c         !c         !b
 CINT    = 3/-99/0      !3/3/21 !3/24/99   !4
 LINE    = 27/1/2       !2/1/2  !16/1/2    !19//3
-FINT    = -18;-15;-12;-9;-6;-3;0      
-FLINE   = 30;29;7;6;4;25;24;0       
+FINT    = -18;-15;-12;-9;-6;-3;0
+FLINE   = 30;29;7;6;4;25;24;0
 HILO    = 0            !0      !0         !26;2/H#;L#/1016-1050;930-1006/2//y
 HLSYM   = 0            !0      !0         !1.5;1.5//22;22/3;3/hw
 CLRBAR  = 1/V/LL       !0
@@ -220,7 +205,7 @@ type    = c/f           !b
 cint    = 13;25;38;50;62!
 line    = 32/1/2/1
 fint    = 13;25;38;50
-fline   = 0;23;22;21;2       
+fline   = 0;23;22;21;2
 hilo    = 0             !0
 HLSYM   = 0             !0
 clrbar  = 1
@@ -239,11 +224,11 @@ CINT    = 10;20;80;90  !30;40;50;60;70
 LINE    = 32//2        !23//2
 FINT    = 10;30;70;90
 FLINE   = 18;8;0;22;23
-HILO    = 
+HILO    =
 HLSYM   =
 CLRBAR  = 1
-WIND    = 
-REFVEC  = 
+WIND    =
+REFVEC  =
 TITLE	= 1/-2/~ ${MDL} @ MEAN LAYER RH|~MEAN LAYER RH!0
 ru
 
@@ -276,7 +261,7 @@ LINE    = 7/5/1/2            !29/5/1/2!7/5/1/2            !29/5/1/2 !20/1/2/1
 FINT    = 16;20;24;28;32;36;40;44
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!        !2;6/X;N/10-99;10-99!         !
-HLSYM   = 
+HLSYM   =
 CLRBAR  = 1
 WIND    = bk0
 REFVEC  =
@@ -308,7 +293,7 @@ gvcord   = pres
 SKIP     = 0/2;2
 scale    = 0                       !5/0               !5/0    !-1
 gdpfun   = sm5s(mag(kntv(wnd))//jet!sm5s(div(wnd)//dvg!dvg    !sm5s(hght)
-type     = c/f                     !c                 !c      !c 
+type     = c/f                     !c                 !c      !c
 cint     = 70;90;110;130;150;170   !-11;-9;-7;-5;-3;-1!2/2/100!12
 line     = 32/1                    !20/-2/2           !3/1/2  !1//2
 fint     = 70;90;110;130;150;170;190!
@@ -375,15 +360,15 @@ CINT    = 20/70//                   !2/2
 LINE    = 32/1/2/1                  !5/2/2/2
 FINT    = 80;90;110;130;150;170;190 !1;2;3;4;5;6;7
 FLINE   = 0;25;24;29;7;15;20;14     !0;23;22;21;17;16;2;1
-HILO    = 
-HLSYM   = 
+HILO    =
+HLSYM   =
 CLRBAR  = 1/v/ll                    !0
 WIND    = bk0                       !am16/0.3//211/0.4!Bk9/0.75/2
-REFVEC  = 
+REFVEC  =
 TITLE   = 1/-2/~ @ ISOTACHS AND WIND (KTS)|~200 MB WIND!0
 FILTER  = yes
 ru
- 
+
 GAREA   = -66;-127;14.5;-19
 LATLON	= 1//1/1/10
 
@@ -401,7 +386,7 @@ FLINE	= 0;21-30;14-20;5
 HILO	= 31;0/x#/10-500///y
 HLSYM	= 1.5
 CLRBAR	= 1/V/LL
-WIND	= 
+WIND	=
 REFVEC	=
 TITLE	= 1/-2/~ ${MDL} 12-HR TOTAL PCPN|~12-HR TOTAL PCPN!0
 r
@@ -415,25 +400,26 @@ exit
 EOF
 
 export err=$?;err_chk
+
 #####################################################
 # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
+
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      fi
-   fi
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    fi
 fi
 
 exit
diff --git a/gempak/ush/gfs_meta_sa2.sh b/gempak/ush/gfs_meta_sa2.sh
index de4b7775da..c144173ee3 100755
--- a/gempak/ush/gfs_meta_sa2.sh
+++ b/gempak/ush/gfs_meta_sa2.sh
@@ -1,27 +1,27 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : ukmet_gfs_meta_sa2.sh
 #
-# Creates several South American gfs charts, including 500mb and psml 
+# Creates several South American gfs charts, including 500mb and psml
 # comparisons to the ecmwf and ukmet
 #
-# Log :
-# J. Carr/HPC       07/2002   Added this metafile
-# J. Carr/HPC       07/2002   Gif script.
-# M. Klein/HPC      11/2004   Change references to gfs from avn
-# M. Klein/HPC      02/2005   Changed location of working directory to /ptmp
-# A. Robson/HPC  11/01/2006   Converted to sh prior to gif'ing
-# F. Achorn/NCO  11/03/2006   Changed location of working directory to $DATA from ptmp
-#  
-#
-set -x
-#
-echo " start with ukmet_gfs_meta_sa2.sh"
 
-export PS4='SA2:$SECONDS + '
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir SA2
+cd SA2 || exit 1
+
 
-export COMPONENT=${COMPONENT:-atmos}
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export HPCGFS="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${HPCGFS} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${HPCGFS}"
+fi
 
 mdl=gfs
 MDL=GFS
@@ -34,30 +34,28 @@ device="nc | ${metaname}"
 # IF CYCLE IS NOT 00Z OR 06Z EXIT SCRIPT.
 # Also exit if run from 00z gfs
 #
-if [ ${cyc} -eq "12" ] || [ ${cyc} -eq "18" ] 
-then
-    exit
-# elif [ ${cyc} -eq "00" ] && [ $(echo $COMIN | awk -F/ '{print $5}' | awk -F. '{print $1}') = "gfs" ]
-elif [ ${cyc} -eq "00" ] && [ ${mdl} = "gfs" ]
-then 
-    # don't want to run from 00z gfs
+if [[ ${cyc} != "06" ]]; then
     exit
 fi
 
-PDY2=$(echo ${PDY} | cut -c3-)
-# export HPCGFS=$COMROOT/nawips/${envir}/gfs.${PDY}
-export HPCGFS=${COMINgempak}/${mdl}.${PDY}/${cyc}/${COMPONENT}/gempak
-
-grid1="F-GFSHPC | ${PDY2}/${cyc}00"
+grid1="F-GFSHPC | ${PDY:2}/${cyc}00"
 
 # DEFINE YESTERDAY
-PDYm1=$($NDATE -24 ${PDY}${cyc} | cut -c -8)
-PDY2m1=$(echo ${PDYm1} | cut -c 3-)
+PDYm1="$(date --utc +%Y%m%d -d "${PDY} ${cyc} - 24 hours")"
+
+HPCECMWF="ecmwf.${PDYm1}"
+HPCUKMET="ukmet.${PDY}"
+if [[ ! -L "${HPCECMWF}" ]]; then
+    ln -sf "${COMINecmwf}/ecmwf.${PDYm1}/gempak" "${HPCECMWF}"
+fi
+if [[ ! -L "${HPCUKMET}" ]]; then
+    ln -sf "${COMINukmet}/ukmet.${PDY}/gempak" "${HPCUKMET}"
+fi
 
-$GEMEXE/gdplot2_nc << EOF
+"${GEMEXE}/gdplot2_nc" << EOF
 \$MAPFIL= mepowo.gsf
 GDFILE	= ${grid1}
-GDATTIM	= F000-F144-12 
+GDATTIM	= F000-F144-12
 DEVICE	= ${device}
 PANEL	= 0
 TEXT	= 1/21//hw
@@ -83,8 +81,8 @@ FLINE   =
 HILO    = !!26;2/H#;L#/1020-1070;900-1012//30;30/y
 HLSYM   = 1.3;1.3//21//hw
 CLRBAR  = 1
-WIND    = !                         ! 
-REFVEC  = 
+WIND    = !                         !
+REFVEC  =
 TITLE	= 1/-2/~ ? ${MDL} MSLP, 1000-500mb THICK|~MSLP, 1000-500 THKN!
 l
 ru
@@ -100,7 +98,7 @@ LINE    = 7/5/1/2            !29/5/1/2!7/5/1/2            !29/5/1/2 !20/1/2/1
 FINT    = 16;20;24;28;32;36;40;44
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!        !2;6/X;N/10-99;10-99!         !
-HLSYM   = 
+HLSYM   =
 CLRBAR  = 1
 WIND    = 0
 REFVEC  =
@@ -123,8 +121,8 @@ FLINE    = 0!0;23;24;25;30;29;28;27  !11;12;2;10;15;14;13;0
 HILO     = 0!0!0!5/H#;L#
 HLSYM    = 0!!1.0//21//hw!1.5
 CLRBAR   = 0!0!1!0
-WIND     = 
-REFVEC   = 
+WIND     =
+REFVEC   =
 TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ${MDL} @ MB 24-HR HGT FALLS!0
 TEXT     = 1/21////hw
 CLEAR    = YES
@@ -135,7 +133,7 @@ GDATTIM  = f060
 GDPFUN   = sm5s(hght)!(sub(hght^f60,hght^f36))!(sub(hght^f60,hght^f36))!sm5s(hght)
 TITLE    = 1/-1/~ ? ${MDL} @ MB HGT|~500 HGT CHG!1/-2/~ ${MDL} @ MB 24-HR HGT FALLS!0
 l
-run 
+run
 
 GDATTIM  = f084
 GDPFUN   = sm5s(hght)!(sub(hght^f84,hght^f60))!(sub(hght^f84,hght^f60))!sm5s(hght)
@@ -201,27 +199,17 @@ ru
 ex
 EOF
 
-if [ ${cyc} -eq "00" ]; then
-    times="012 036 060 084 108 132"
-else
-    times="006 030 054 078 102 126"
-fi
-
-for gfsfhr in $(echo ${times})
-do
-    if [ ${cyc} == "06" ]; then
-        ecmwffhr="F$(expr ${gfsfhr} + 18)"
+for fhr in $(seq -s ' ' 6 24 126); do
+    gfsfhr="F$(printf "%03g" "${fhr}")"
+    if (( fhr < 100 )); then
+        offset=6
     else
-        ecmwffhr="F$(expr ${gfsfhr} + 12)"
+        offset=18
     fi
-    while [ $(expr length $ecmwffhr) -lt 3 ]
-        do
-            ecmwffhr="F0$(expr ${gfsfhr} + 6)"
-        done
-    gfsfhr="F${gfsfhr}"
-    grid2="${COMINecmwf}.${PDYm1}/gempak/ecmwf_glob_${PDYm1}12"
-
-$GEMEXE/gdplot2_nc << EOF10
+    ecmwffhr="F$(printf "%03g" $((fhr + offset)))"
+    grid2="${HPCECMWF}/ecmwf_glob_${PDYm1}12"
+
+    "${GEMEXE}/gdplot2_nc" << EOF10
 \$MAPFIL = mepowo.gsf
 GDFILE	= ${grid1} !${grid2}
 GDATTIM	= ${gfsfhr}!${ecmwffhr}
@@ -236,20 +224,20 @@ PROJ    = mer//3;3;0;1
 GAREA   = -71;-135;20;-20
 LATLON	= 18//1/1/10
 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES                                                                    
-PANEL   = 0                                                                      
-SKIP    = 0            
-SCALE   = -1           
-GDPFUN  = sm5s(hght)!sm5s(hght)         
-TYPE    = c            
-CONTUR  = 1                                                                       
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   =                                                                         
-WIND    =               
-REFVEC  =                                                                         
+GLEVEL  = 500
+GVCORD  = PRES
+PANEL   = 0
+SKIP    = 0
+SCALE   = -1
+GDPFUN  = sm5s(hght)!sm5s(hght)
+TYPE    = c
+CONTUR  = 1
+CINT    = 6
+FINT    =
+FLINE   =
+HLSYM   =
+WIND    =
+REFVEC  =
 LINE    = 31//2!2//2
 HILO    = 31/H#;L#//5/5;5/y!2/H#;L#//5/5;5/y
 TITLE   = 31/-1/~ ? ${MDL} @ HGHT (WHITE)|~EC VS ${MDL} 500!2/-2/~ ? ECMWF 500 HGHT (RED)
@@ -258,20 +246,20 @@ r
 
 GLEVEL  = 0
 GVCORD  = none
-PANEL   = 0                                                                       
-SKIP    = 0                                           
+PANEL   = 0
+SKIP    = 0
 SCALE   = 0
 GDPFUN  = (pmsl)!(pmsl)
-TYPE    = c                                                                       
-CONTUR  = 7                                                                      
-CINT    = 4                                           
-FINT    =                                                                        
-FLINE   =                                                                        
-HLSYM   = 1.5;1.5//21//hw                                                           
-CLRBAR  = 1                                                                       
-WIND    = 
-REFVEC  =                                                                         
-TEXT    = 1/21//hw                                                                
+TYPE    = c
+CONTUR  = 7
+CINT    = 4
+FINT    =
+FLINE   =
+HLSYM   = 1.5;1.5//21//hw
+CLRBAR  = 1
+WIND    =
+REFVEC  =
+TEXT    = 1/21//hw
 CLEAR   = yes
 GDFILE  = ${grid1}!${grid2}
 GDATTIM = ${gfsfhr}!${ecmwffhr}
@@ -285,27 +273,12 @@ ex
 EOF10
 done
 
-if [ ${cyc} -eq "00" ]; then
-    times="000 012 024 036 048 060 072 096 120 144"
-elif [ ${cyc} -eq "06" ]; then
-    times="006 018 030 042 054 066 090 114 138"
-fi
-
-for gfsfhr in  $(echo ${times})
-do
-    if [ ${cyc} -eq "06" ]; then
-        ukmetfhr="$(expr ${gfsfhr} + 6)"
-        while [ $(expr length $ukmetfhr) -lt 3 ]
-           do
-              ukmetfhr="0$(expr ${gfsfhr} + 6)"
-           done 
-    else
-        ukmetfhr=${gfsfhr}
-    fi
-    gfsfhr="F${gfsfhr}"
-    grid3="${COMINukmet}.${PDY}/gempak/ukmet_${PDY}00f${ukmetfhr}"
+for fhr in $(seq -s ' ' 6 12 138); do
+    gfsfhr="F$(printf "%03g" "${fhr}")"
+    ukmetfhr="F$(printf "%03g" $((fhr + 6)))"
+    grid3="${HPCUKMET}/ukmet_${PDY}00f${ukmetfhr}"
 
-$GEMEXE/gdplot2_nc << EOF25
+    "${GEMEXE}/gdplot2_nc" << EOF25
 \$MAPFIL = mepowo.gsf
 DEVICE  = ${device}
 PANEL   = 0
@@ -313,22 +286,22 @@ TEXT    = 1/21//hw
 CONTUR  = 2
 MAP     = 6/1/1/yes
 CLEAR   = yes
-CLRBAR  = 
-GLEVEL  = 500                                                                     
-GVCORD  = PRES                                                                    
-PANEL   = 0                                                                      
-SKIP    = 0            
-SCALE   = -1           
-GDPFUN  = sm5s(hght)!sm5s(hght)        
-TYPE    = c            
-CONTUR  = 1                                                                       
-CINT    = 6            
-FINT    = 
-FLINE   = 
-HLSYM   =                                                                         
-GVECT   =                                                                         
-WIND    =               
-REFVEC  =                                                                         
+CLRBAR  =
+GLEVEL  = 500
+GVCORD  = PRES
+PANEL   = 0
+SKIP    = 0
+SCALE   = -1
+GDPFUN  = sm5s(hght)!sm5s(hght)
+TYPE    = c
+CONTUR  = 1
+CINT    = 6
+FINT    =
+FLINE   =
+HLSYM   =
+GVECT   =
+WIND    =
+REFVEC  =
 clear   = yes
 GDFILE  = ${grid1}!${grid3}
 GDATTIM = ${gfsfhr}!F${ukmetfhr}
@@ -340,20 +313,20 @@ r
 
 GLEVEL  = 0
 GVCORD  = none
-PANEL   = 0                                                                       
-SKIP    = 0                                           
+PANEL   = 0
+SKIP    = 0
 SCALE   = 0
 GDPFUN  = sm5s(pmsl)!sm5s(pmsl)
-TYPE    = c                                                                       
-CONTUR  = 2                                                                       
-CINT    = 4                                           
-FINT    =                                                                        
-FLINE   =                                                                        
-HLSYM   = 1.5;1.5//21//hw                                                           
-CLRBAR  =                                                                        
-WIND    = 
-REFVEC  =                                                                         
-TEXT    = 1/21//hw                                                                
+TYPE    = c
+CONTUR  = 2
+CINT    = 4
+FINT    =
+FLINE   =
+HLSYM   = 1.5;1.5//21//hw
+CLRBAR  =
+WIND    =
+REFVEC  =
+TEXT    = 1/21//hw
 CLEAR   = yes
 GDFILE  = ${grid1}!${grid3}
 GDATTIM = ${gfsfhr}!F${ukmetfhr}
@@ -362,26 +335,31 @@ HILO    = 31/H#;L#/1020-1060;900-1010/5/10;10!2/H#;L#/1020-1060;900-1010/5/10;10
 TITLE   = 31/-1/~ ? ${MDL} PMSL (WHITE)|~UK VS ${MDL} PMSL!2/-2/~ ? UKMET PMSL (RED)
 l
 r
- 
+
 ex
 EOF25
 done
-
-
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
-        DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      fi
-   fi
+export err=$?;err_chk
+
+#####################################################
+# GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
+# WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
+# FOR THIS CASE HERE.
+#####################################################
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
 fi
 
-#export COMIN=/com/nawips/${envir}/ukmet.${PDY}
-echo " end with ukmet_gfs_meta_sa2.sh"
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
+    DBN_ALERT_TYPE=GFS_METAFILE
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    fi
+fi
 
 exit
diff --git a/gempak/ush/gfs_meta_trop.sh b/gempak/ush/gfs_meta_trop.sh
index a66cb22c74..eb918eaab7 100755
--- a/gempak/ush/gfs_meta_trop.sh
+++ b/gempak/ush/gfs_meta_trop.sh
@@ -1,59 +1,53 @@
-#! /bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_trop.sh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# J. Carr/HPC/DTB    3/97   Added WPAC area
-# J. Carr/HPC/DTB    4/97   Put more skipping in for winds
-# J. Carr/HPC/DTB    4/97   Changed pcpn from mm to inches and added hilo
-# J. Carr/HPC/DTB    5/98   Converted gdplot to gdplot2
-# J.L.Partain/MPC    5/98   Mods to make Atl prods same as GFS, MRF, ETA
-# J. Carr/HPC/DTB    8/98   Changed map to medium resolution
-# J. Carr/HPC       02/01   Updated script to run on IBM.
-# J. Carr/HPC      5/2001   Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC      7/2001   Converted to a korn shell prior to delivering script
-#                           to Production.
-# J. Carr/HPC      7/2001   Submitted as a jif.   
-#
-# B. Gordon          7/02   Converted to run off the GFS due to demise
-#                           of the MRF.
-# J. Carr/PMB     11/2004   Added a ? to all title lines.
-#                           Changed contur from a 1 to a 2.
-#                           Changed interval of 24-HR PCPN from 24 to 6.
-#
 # Set Up Local Variables
 #
-set -x
+
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/TROP"
+cd "${DATA}/TROP" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-export PS4='TROP:$SECONDS + '
-mkdir -p -m 775 $DATA/TROP
-cd $DATA/TROP
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 mdl=gfs
 MDL=GFS
 metatype="trop"
 metaname="${mdl}_${metatype}_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo ${PDY} | cut -c3-)
 #
-for a in ATL PAC WPAC
-do
-    if [ ${a} = "ATL" ] ; then
+for domain in ATL PAC WPAC; do
+    case ${domain} in
+    ATL)
         garea="-6;-111;52;-14"
         proj="MER/0.0;-49.5;0.0"
-    elif [ ${a} = "PAC" ] ; then
+        ;;
+    PAC)
         garea="0;-140;45;-75"
         proj="mer//3;3;0;1"
-    elif [ ${a} = "WPAC" ] ; then
+        ;;
+    WPAC)
         garea="0;90;45;180"
         proj="mer//3;3;0;1"
-    fi
-
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-${MDL} | ${PDY2}/${cyc}00
+        ;;
+    *)
+        echo "FATAL ERROR: Unknown domain in ${BASH_SOURCE[0]}"
+        exit 100
+    esac
+
+    export pgm=gdplot2_nc;. prep_step
+    "${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-${MDL} | ${PDY:2}/${cyc}00
 GDATTIM = F00-F180-12
 DEVICE	= ${device}
 PANEL	= 0
@@ -83,7 +77,7 @@ HLSYM   = 0!1;1//22;22/3;3/hw
 CLRBAR  = 1/V/LL!0
 WIND    = bk0!bk0!bk9/.8/1.4/112
 REFVEC  =
-TITLE   = 1/-2/~ ? ${MDL} PMSL, BL WIND (40m AGL; KTS)|~${a} PMSL & BL WIND!0
+TITLE   = 1/-2/~ ? ${MDL} PMSL, BL WIND (40m AGL; KTS)|~${domain} PMSL & BL WIND!0
 r
 
 GLEVEL  = 850
@@ -95,7 +89,7 @@ LINE    = 29/5/1/2              !7/5/1/2
 HILO    = 2;6/X;N/-99--4;4-99   !
 SCALE   = 5                     !5
 WIND    = bk0                   !bk0     !bk6/.8/2/112!0
-TITLE   = 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${a} @ WIND AND REL VORT!0
+TITLE   = 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${domain} @ WIND AND REL VORT!0
 FINT    = 4;6;8;10;12;14;16;18
 FLINE   = 0;14-21
 TYPE    = c/f!c!b
@@ -110,14 +104,14 @@ HILO    = 2;6/X;N/-99--4;4-99!         !6/L#/880-1004///1
 HLSYM   = 1;1//22;22/3;3/hw
 SCALE   = 5                  !5        !0
 WIND    = bk0                !bk0      !bk0       !bk9/.8/1.4/112
-TITLE   = 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${a} @ WIND AND REL VORT!0
+TITLE   = 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${domain} @ WIND AND REL VORT!0
 FINT    = 4;6;8;10;12;14;16;18
 FLINE   = 0;14-21
 r
 
 GLEVEL	= 700
 GDPFUN	= vor(wnd)              !vor(wnd)!kntv(wnd)
-TITLE	= 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${a} @ WIND AND REL VORT!0
+TITLE	= 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${domain} @ WIND AND REL VORT!0
 
 GLEVEL  = 700!700!0!700
 GVCORD  = pres!pres!none!pres
@@ -128,7 +122,7 @@ HILO    = 2;6/X;N/-99--4;4-99!         !6/L#/880-1004///1
 HLSYM   = 1;1//22;22/3;3/hw
 SCALE   = 5                  !5        !0
 WIND    = bk0                !bk0      !bk0       !bk9/.8/1.4/112
-TITLE   = 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${a} @ WIND AND REL VORT!0
+TITLE   = 1/-2/~ ? ${MDL} @ WIND AND REL VORT|~${domain} @ WIND AND REL VORT!0
 FINT    = 4;6;8;10;12;14;16;18
 FLINE   = 0;14-21
 TYPE    = c/f                !c        !c         !b
@@ -145,11 +139,11 @@ LINE    = 7/5/1/2      ! 29/5/1/2  ! 7/5/1/2   ! 29/5/1/2 ! 20/1/2/1
 FINT    = 16;20;24;28;32;36;40;44
 FLINE   = 0;23-15
 HILO    = 2;6/X;N/10-99;10-99!        !2;6/X;N/10-99;10-99!         !
-HLSYM   = 
+HLSYM   =
 CLRBAR  = 1
-WIND    = bk0!bk0!bk0!bk0!bk0!bk9/0.9/1.4/112!0 
+WIND    = bk0!bk0!bk0!bk0!bk0!bk9/0.9/1.4/112!0
 REFVEC  =
-TITLE   = 1/-2/~ ? ${MDL} @ WIND AND ABS VORT|~${a} @ WIND AND ABS VORT!0
+TITLE   = 1/-2/~ ? ${MDL} @ WIND AND ABS VORT|~${domain} @ WIND AND ABS VORT!0
 r
 
 GLEVEL  = 300:850       !850      !300
@@ -167,9 +161,9 @@ HLSYM   =
 CLRBAR  = 1
 WIND    = ak0!ak7/.4/1/221/.2!ak6/.4/1/221/.2
 REFVEC  =
-TITLE   = 1/-2/~ ? ${MDL} @  WIND SHEAR (850=Purple, 300=Cyan) |~${a} 850-300MB WIND SHEAR!0
+TITLE   = 1/-2/~ ? ${MDL} @  WIND SHEAR (850=Purple, 300=Cyan) |~${domain} 850-300MB WIND SHEAR!0
 filter  = no
- 
+
 
 glevel  = 250!250
 gvcord  = pres!pres
@@ -187,7 +181,7 @@ hlsym   = 0!0!0!0
 clrbar  = 0!0!1/V/LL!0
 wind    = bk0!bk0!bk0!bk0!bk9/.9/1.4/112
 refvec  = 10
-title   = 1/-2/~ ? ${MDL} @ HGHTS, ISOTACHS, & DIVERG|~${a} @ SPEED & DIVERG!0
+title   = 1/-2/~ ? ${MDL} @ HGHTS, ISOTACHS, & DIVERG|~${domain} @ SPEED & DIVERG!0
 r
 
 glevel  = 400:850!0
@@ -205,8 +199,8 @@ hlsym   = 0!2;1.5//21//hw
 clrbar  = 0
 wind    = bk10/0.9/1.4/112!bk0
 refvec  =
-title   = 1/-2/~ ? ${MDL} 850-400mb MLW and MSLP|~${a} 850-400mb MLW & MSLP!0
- 
+title   = 1/-2/~ ? ${MDL} 850-400mb MLW and MSLP|~${domain} 850-400mb MLW & MSLP!0
+
 
 GDATTIM	= F24-F144-06
 GLEVEL	= 0
@@ -214,7 +208,7 @@ GVCORD	= none
 SKIP	= 0
 SCALE	= 0
 GDPFUN	= p24i
-TYPE	= f 
+TYPE	= f
 CINT	= 0
 LINE	= 0
 FINT	= .01;.1;.25;.5;.75;1;1.25;1.5;1.75;2;2.25;2.5;2.75;3;3.25;3.5;3.75;4
@@ -222,14 +216,14 @@ FLINE	= 0;21-30;14-20;5
 HILO	= 31;0/x#2/.10-8.0///y
 HLSYM	= 1.4//22/2/hw
 CLRBAR	= 1/V/LL
-WIND	= 
+WIND	=
 REFVEC	=
-TITLE	= 1/-2/~ ${MDL} 24-HR TOTAL PCPN|~${a} 24-HR TOTAL PCPN!0
+TITLE	= 1/-2/~ ${MDL} 24-HR TOTAL PCPN|~${domain} 24-HR TOTAL PCPN!0
 r
 
 exit
 EOF
-export err=$?;err_chk
+    export err=$?;err_chk
 
 done
 
@@ -238,21 +232,20 @@ done
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
+if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+    exit $(( err + 100 ))
+fi
 
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    if [[ "${DBN_ALERT_TYPE}" == "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/${mdl}_${PDY}_${cyc}_${metatype}
-      fi
-   fi
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/${mdl}_${PDY}_${cyc}_${metatype}"
+    fi
 fi
 
-
 exit
diff --git a/gempak/ush/gfs_meta_us.sh b/gempak/ush/gfs_meta_us.sh
index f3c6cd0692..b8c9e17a22 100755
--- a/gempak/ush/gfs_meta_us.sh
+++ b/gempak/ush/gfs_meta_us.sh
@@ -1,45 +1,40 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_us.sh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# D.W.Plummer/NCEP   3/97   Added ecmwf comparison.
-# D.W.Plummer/NCEP   3/97   Added $MAPFIL specification for lower resolution
-# D.W.Plummer/NCEP   4/97   Removed run from 3-HOURLY PRECIP
-# J. Carr/HPC        2/99   Changed skip to 0
-# B. Gordon/NCO      5/00   Modified for production on IBM-SP
-#                           Changed gdplot_nc -> gdplot2_nc
-# D. Michaud/NCO     4/01   Modified to Reflect Different Title for
-#                           Parallel runs
-# J. Carr/PMB       11/04   Added a ? to all title lines
-#                           Changed contur from a 1 to a 2.
-#
-cd $DATA
 
-set -xa
+source "${HOMEgfs}/ush/preamble.sh"
+
+cd "${DATA}" || exit 2
+rm -rf "${DATA}/us"
+mkdir -p -m 775 "${DATA}/us"
+cd "${DATA}/us" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
-rm -rf $DATA/us
-mkdir -p -m 775 $DATA/us
-cd $DATA/us
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 device="nc | gfs.meta"
-PDY2=$(echo $PDY | cut -c3-)
 
 export fend=F216
 
-if [ "$envir" = "para" ] ; then
+if [[ "${envir}" == "para" ]] ; then
    export m_title="GFSP"
 else
    export m_title="GFS"
 fi
 
 export pgm=gdplot2_nc;. prep_step
-startmsg
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-GFS | ${PDY2}/${cyc}00
-GDATTIM	= F00-$fend-6
+
+"${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-GFS | ${PDY:2}/${cyc}00
+GDATTIM	= F00-${fend}-6
 DEVICE	= ${device}
 PANEL	= 0
 TEXT	= 1/21//hw
@@ -57,7 +52,7 @@ restore ${HOMEgfs}/gempak/ush/restore/pmsl_thkn.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
+TITLE	= 5/-2/~ ? ${m_title} PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
 l
 run
 
@@ -66,7 +61,7 @@ restore ${HOMEgfs}/gempak/ush/restore/850mb_hght_tmpc.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGT, TEMPERATURE AND WIND (KTS)|~@ HGT, TMP, WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, TEMPERATURE AND WIND (KTS)|~@ HGT, TMP, WIND!0
 l
 run
 
@@ -75,7 +70,7 @@ restore ${HOMEgfs}/gempak/ush/restore/700mb_hght_relh_omeg.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
 l
 run
 
@@ -84,7 +79,7 @@ restore ${HOMEgfs}/gempak/ush/restore/500mb_hght_absv.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
 l
 run
 
@@ -93,41 +88,42 @@ restore ${HOMEgfs}/gempak/ush/restore/250mb_hght_wnd.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 5/-2/~ ? $m_title @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
+TITLE	= 5/-2/~ ? ${m_title} @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
 l
 run
 
- 
+
+
 restore ${HOMEgfs}/gempak/ush/restore/p06m_pmsl.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-GDATTIM	= F06-$fend-6
-TITLE	= 5/-2/~ ? $m_title 6-HR TOTAL PCPN, MSLP|~6-HR TOTAL PCPN, MSLP!0
+GDATTIM	= F06-${fend}-6
+TITLE	= 5/-2/~ ? ${m_title} 6-HR TOTAL PCPN, MSLP|~6-HR TOTAL PCPN, MSLP!0
 l
 run
 
 HILO    = 31;0/x#2////y
 HLSYM   = 1.5
 
-GDATTIM	= F12-$fend-06
-GDPFUN   = p12i                                                
-TITLE	= 5/-2/~ ? $m_title 12-HR TOTAL PCPN (IN)|~12-HR TOTAL PCPN
+GDATTIM	= F12-${fend}-06
+GDPFUN   = p12i
+TITLE	= 5/-2/~ ? ${m_title} 12-HR TOTAL PCPN (IN)|~12-HR TOTAL PCPN
 l
 run
 
 
-GDATTIM	= F24-$fend-06
-GDPFUN   = p24i                                                
-TITLE	= 5/-2/~ ? $m_title 24-HR TOTAL PCPN (IN)|~24-HR TOTAL PCPN
+GDATTIM	= F24-${fend}-06
+GDPFUN   = p24i
+TITLE	= 5/-2/~ ? ${m_title} 24-HR TOTAL PCPN (IN)|~24-HR TOTAL PCPN
 l
 run
 
 
 GDATTIM	= F72;f78;f84
-GDPFUN   = p72i                                                
-TITLE	= 5/-2/~ ? $m_title 72-HR TOTAL PCPN(IN)|~72-HR TOTAL PCPN
+GDPFUN   = p72i
+TITLE	= 5/-2/~ ? ${m_title} 72-HR TOTAL PCPN(IN)|~72-HR TOTAL PCPN
 l
 run
 
@@ -135,18 +131,18 @@ run
 GAREA   = 26.52;-119.70;50.21;-90.42
 PROJ    = str/90;-105;0/3;3;0;1
 MAP     = 1//2
-GDATTIM	= F24-$fend-06
-GDPFUN  = p24i                                                
-TITLE	= 5/-2/~ ? $m_title 24-HR TOTAL PCPN (IN)|~WEST: 24-HR PCPN
+GDATTIM	= F24-${fend}-06
+GDPFUN  = p24i
+TITLE	= 5/-2/~ ? ${m_title} 24-HR TOTAL PCPN (IN)|~WEST: 24-HR PCPN
 l
 
 
 GAREA   = 24.57;-100.55;47.20;-65.42
 PROJ    = str/90;-90;0/3;3;0;1
 MAP     = 1//2
-GDATTIM	= F24-$fend-06
-GDPFUN  = p24i                                                
-TITLE	= 5/-2/~ ? $m_title 24-HR TOTAL PCPN (IN)|~EAST: 24-HR PCPN
+GDATTIM	= F24-${fend}-06
+GDPFUN  = p24i
+TITLE	= 5/-2/~ ? ${m_title} 24-HR TOTAL PCPN (IN)|~EAST: 24-HR PCPN
 l
 
 exit
@@ -158,24 +154,23 @@ export err=$?;err_chk
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l gfs.meta
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
-
-
-if [ $SENDCOM = "YES" ] ; then
-  mv gfs.meta ${COMOUT}/gfs_${PDY}_${cyc}_us
-  if [ $SENDDBN = "YES" ] ; then
-    $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-     $COMOUT/gfs_${PDY}_${cyc}_us
-    if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
-      DBN_ALERT_TYPE=GFS_METAFILE
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-       ${COMOUT}/gfs_${PDY}_${cyc}_us
+if (( err != 0 )) || [[ ! -s gfs.meta ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file gfs.meta"
+    exit $(( err + 100 ))
+fi
+
+mv gfs.meta "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_us"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_us"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
+        DBN_ALERT_TYPE=GFS_METAFILE
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_us"
     fi
-    if [ $fhr -eq 216 ] ; then
-     ${DBNROOT}/bin/dbn_alert MODEL GFS_METAFILE_LAST $job \
-       ${COMOUT}/gfs_${PDY}_${cyc}_us
+    if (( fhr == 216 )) ; then
+        "${DBNROOT}/bin/dbn_alert" MODEL GFS_METAFILE_LAST "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_us"
     fi
-  fi
 fi
 
diff --git a/gempak/ush/gfs_meta_usext.sh b/gempak/ush/gfs_meta_usext.sh
index 59b1ce5bab..5f0e930cdb 100755
--- a/gempak/ush/gfs_meta_usext.sh
+++ b/gempak/ush/gfs_meta_usext.sh
@@ -1,63 +1,48 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_usext.sh
 #
-# Log :
-# D.W.Plummer/NCEP   2/97   Add log header
-# D.W.Plummer/NCEP   3/97   Add ecmwf comparison.
-# D.W.Plummer/NCEP   3/97   Added $MAPFIL specification for lower resolution
-# D.W.Plummer/NCEP   4/97   Changed SKIP for grid2
-# D.W.Plummer/NCEP   4/97   Changed gdplot to gdplot2 and related restore files
-# D.W.Plummer/NCEP   4/97   Changed NAOP to NAOP w/ .us suffix
-# D.W.Plummer/NCEP   1/98   Added 12hr 2m min and max temps out to day 6 and 7
-# J.L.Partain/MPC    8/98   Added latlon lines
-# J. Carr/HPC        2/99   Changed skip to a 0
-# J. Carr/HPC        4/2000 Changed the Alaska 5-day pcpn to a 3-5 day pcpn
-#                           Added other pcpn products for the medium range fcstrs.
-# B. Gordon/NCO      4/00   Converted to run as production on the IBM-SP
-# D. Michaud/NCO     4/01   Added logic to display different title for parallel
-#                           runs.
-# B. Gordon          7/02   Converted to run off the GFS due to demise
-#                           of the MRF.
-# J. Carr/PMB       11/04   Added a ? to title lines.
-#                           Changed contur from a 1 to a 2.
-#                           Changed increment in gdattim to every 6 hrs instead of 12.
-#                           Added 3 new products for HPC medium range. (2 48-hr qpf and 1 5 day qpf)
-# M. Klein/HPC      01/10   Add boundary layer winds/isotachs to the metafile for CPC.
-#
-set -xa
-mkdir -p -m 775 $DATA/mrfus
-cd $DATA/mrfus
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
 
-device="nc | mrf.meta"
+source "${HOMEgfs}/ush/preamble.sh"
 
-#XXW cp ${HOMEgfs}/gempak/fix/model/gfs/ak_sfstns.tbl alaska.tbl
-cp ${HOMEgfs}/gempak/fix/ak_sfstns.tbl alaska.tbl
+mkdir -p -m 775 "${DATA}/mrfus"
+cd "${DATA}/mrfus" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
+cp "${HOMEgfs}/gempak/fix/ak_sfstns.tbl" alaska.tbl
 
-month=$(echo $PDY | cut -c5,6)
-if [ $month -ge 5 -a $month -le 9 ] ; then
-#  fint="40;45;50;55;60;65;70;75;80;85;90;95;100"
-#  fline="26;25;24;23;22;21;20;19;18;17;16;15;14;31"
-  fint="60;65;70;75;80;85;90;95;100;105;110;115;120"
-  fline="26;25;24;23;22;21;20;19;18;17;16;15;14;31"
-else
-  fint="-5;0;5;10;15;20;25;30;35;40;45;50;55;60;65;70;75;80"
-  fline="4;30;29;28;27;26;25;24;23;22;21;20;19;18;17;16;15;14;31"
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
+#
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
 fi
 
-PDY2=$(echo $PDY | cut -c3-)
+device="nc | mrf.meta"
 
-if [ "$envir" = "para" ] ; then
+# Not being used?
+# case $(( 10#${PDY:4:2} )) in
+#     [5-9])
+#         fint="60;65;70;75;80;85;90;95;100;105;110;115;120"
+#         fline="26;25;24;23;22;21;20;19;18;17;16;15;14;31"
+#         ;;
+#     *)
+#         fint="-5;0;5;10;15;20;25;30;35;40;45;50;55;60;65;70;75;80"
+#         fline="4;30;29;28;27;26;25;24;23;22;21;20;19;18;17;16;15;14;31"
+#         ;;
+# esac
+
+if [[ "${envir}" = "para" ]] ; then
    export m_title="GFSP"
 else
    export m_title="GFS"
 fi
 
-export pgm=gdplot2_nc; prep_step; startmsg
+export pgm=gdplot2_nc; prep_step
 
-$GEMEXE/gdplot2_nc << EOF
-GDFILE	= F-GFS | ${PDY2}/${cyc}00
+"${GEMEXE}/gdplot2_nc" << EOF
+GDFILE	= F-GFS | ${PDY:2}/${cyc}00
 GDATTIM	= F000-F384-06
 DEVICE	= ${device}
 PANEL	= 0
@@ -75,42 +60,42 @@ restore ${HOMEgfs}/gempak/ush/restore/pmsl_thkn.2.nts
 CLRBAR  = 1
 HLSYM   = 2;1.5//21//hw
 TEXT    = 1/21//hw
-TITLE	= 1/-2/~ ? $m_title PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
+TITLE	= 1/-2/~ ? ${m_title} PMSL, 1000-500 MB THICKNESS|~MSLP, 1000-500 THKN!0
 l
 run
 
 restore ${HOMEgfs}/gempak/ush/restore/850mb_hght_tmpc.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 1/-2/~ ? $m_title @ HGT, TEMPERATURE AND WIND (KTS)|~@ HGT, TMP, WIND!0
+TITLE	= 1/-2/~ ? ${m_title} @ HGT, TEMPERATURE AND WIND (KTS)|~@ HGT, TMP, WIND!0
 l
 run
 
 restore ${HOMEgfs}/gempak/ush/restore/700mb_hght_relh_omeg.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 1/-2/~ ? $m_title @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
+TITLE	= 1/-2/~ ? ${m_title} @ HGT, REL HUMIDITY AND OMEGA|~@ HGT, RH AND OMEGA!0
 l
 run
 
 restore ${HOMEgfs}/gempak/ush/restore/500mb_hght_absv.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 1/-2/~ ? $m_title @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
+TITLE	= 1/-2/~ ? ${m_title} @ HGT AND VORTICITY|~@ HGT AND VORTICITY!0
 l
 run
 
 restore ${HOMEgfs}/gempak/ush/restore/500mb_hght_gabsv.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 1/-2/~ ? $m_title @ HGT AND GEO ABS VORT|~@ HGT, GEO ABS VORT!0
+TITLE	= 1/-2/~ ? ${m_title} @ HGT AND GEO ABS VORT|~@ HGT, GEO ABS VORT!0
 l
 run
 
 restore ${HOMEgfs}/gempak/ush/restore/250mb_hght_wnd.2.nts
 CLRBAR  = 1
 TEXT    = 1/21//hw
-TITLE	= 1/-2/~ ? $m_title @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
+TITLE	= 1/-2/~ ? ${m_title} @ HGT, ISOTACHS AND WIND (KTS)|~@ HGT AND WIND!0
 l
 run
 
@@ -131,7 +116,7 @@ HLSYM   =
 CLRBAR  = 1/V/LL!0
 WIND    = bk18/0.8/1/112
 REFVEC  =
-TITLE   = 1/-2/~ ? $m_title BOUNDARY LAYER WINDS (KTS) AND ISOTACHS|~BL WIND, ISOTACHS !0
+TITLE   = 1/-2/~ ? ${m_title} BOUNDARY LAYER WINDS (KTS) AND ISOTACHS|~BL WIND, ISOTACHS !0
 TEXT    = 1/21//hw
 CLEAR   = YES
 l
@@ -144,13 +129,13 @@ HILO    = 31;0/x#2/.25-10///y
 HLSYM   = 1.5
 GDATTIM	= F12-F384-6
 GDPFUN  = p12i
-TITLE	= 1/-2/~ ? $m_title 12-HR TOTAL PCPN (IN)|~12-HR TOTAL PCPN
+TITLE	= 1/-2/~ ? ${m_title} 12-HR TOTAL PCPN (IN)|~12-HR TOTAL PCPN
 l
 run
 
 GDATTIM	= F24-F384-6
 GDPFUN  = p24i
-TITLE	= 5/-2/~ ? $m_title 24-HR TOTAL PCPN (IN)|~24-HR TOTAL PCPN
+TITLE	= 5/-2/~ ? ${m_title} 24-HR TOTAL PCPN (IN)|~24-HR TOTAL PCPN
 l
 run
 
@@ -158,34 +143,34 @@ GDATTIM	= F84
 wind    = bk0
 gvcord  = none
 type    = f
-cint    = 
-line    = 
+cint    =
+line    =
 clrbar  = 1/V/LL
 fint    = .01;.1;.25;.5;.75;1;1.5;2;2.5;3;4;5;6;7;8;9;10
 fline   = 0;21-30;14-20;5
 glevel  = 0
 scale   = 0
 gdpfun  = p72i
-refvec  = 
-title   = 1/-2/~ ? $m_title 3-day (F12-F84) PCPN|~DAY 1-3 (F12-F84) PCPN
+refvec  =
+title   = 1/-2/~ ? ${m_title} 3-day (F12-F84) PCPN|~DAY 1-3 (F12-F84) PCPN
 l
 run
 
 GDATTIM = F108
 gdpfun  = p96i
-title   = 1/-2/~ ? $m_title 4-day (F12-F120) PCPN|~DAY 1-4 (F12-F108) PCPN
+title   = 1/-2/~ ? ${m_title} 4-day (F12-F120) PCPN|~DAY 1-4 (F12-F108) PCPN
 l
 run
 
 GDATTIM = F132
-gdpfun  = p120i 
-title   = 1/-2/~ ? $m_title 5-day (F12-F132) PCPN|~DAY 1-5 (F12-F132) PCPN
+gdpfun  = p120i
+title   = 1/-2/~ ? ${m_title} 5-day (F12-F132) PCPN|~DAY 1-5 (F12-F132) PCPN
 l
 run
 
 GDATTIM = F132
 gdpfun  = p48i
-title   = 1/-2/~ ? $m_title 2-day (F84-F132) PCPN|~DAY 4-5 (F84-F132) PCPN
+title   = 1/-2/~ ? ${m_title} 2-day (F84-F132) PCPN|~DAY 4-5 (F84-F132) PCPN
 l
 run
 
@@ -193,7 +178,7 @@ run
 
 GDATTIM = F126
 gdpfun  = p120i
-title   = 1/-2/~ ? $m_title 5-day (F06-F126) PCPN|~DAY 1-5 (F06-F126) PCPN
+title   = 1/-2/~ ? ${m_title} 5-day (F06-F126) PCPN|~DAY 1-5 (F06-F126) PCPN
 l
 run
 
@@ -201,7 +186,7 @@ run
 
 GDATTIM = F126
 gdpfun  = p48i
-title   = 1/-2/~ ? $m_title 2-day (F78-F126) PCPN|~DAY 4-5 (F78-F126) PCPN
+title   = 1/-2/~ ? ${m_title} 2-day (F78-F126) PCPN|~DAY 4-5 (F78-F126) PCPN
 l
 run
 
@@ -209,13 +194,13 @@ run
 
 GDATTIM = F138
 gdpfun  = p48i
-title   = 1/-2/~ ? $m_title 2-day (F90-F138) PCPN|~DAY 4-5 (F90-F138) PCPN
+title   = 1/-2/~ ? ${m_title} 2-day (F90-F138) PCPN|~DAY 4-5 (F90-F138) PCPN
 l
 run
 
 GDATTIM = F156
 gdpfun  = p72i
-title   = 1/-2/~ ? $m_title 3-day (F84-F156) PCPN|~DAY 4-6 (F84-F156) PCPN
+title   = 1/-2/~ ? ${m_title} 3-day (F84-F156) PCPN|~DAY 4-6 (F84-F156) PCPN
 l
 run
 
@@ -225,7 +210,7 @@ PROJ    = mer//3;3;0;1
 STNPLT  = 5|5/1//2|alaska.tbl
 gdattim = f144
 gdpfun  = p72i
-title   = 1/-2/~ ? $m_title 3-day (F72-F144) PCPN|~AK 3-DAY(F72-F144) PCPN
+title   = 1/-2/~ ? ${m_title} 3-day (F72-F144) PCPN|~AK 3-DAY(F72-F144) PCPN
 l
 run
 
@@ -240,21 +225,18 @@ export err=$?; err_chk
 # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
 # FOR THIS CASE HERE.
 #####################################################
-ls -l mrf.meta
-export err=$?;export pgm="GEMPAK CHECK FILE"; err_chk
-
-if [ $SENDCOM = "YES" ] ; then
-  mv mrf.meta ${COMOUT}/gfs_${PDY}_${cyc}_usext
-  if [ $SENDDBN = "YES" ] ; then
-    $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-     $COMOUT/gfs_${PDY}_${cyc}_usext
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
-        DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/gfs_${PDY}_${cyc}_usext
-      fi
-  fi
+if (( err != 0 )) || [[ ! -s mrf.meta ]] &> /dev/null; then
+    echo "FATAL ERROR: Failed to create gempak meta file mrf.meta"
+    exit $(( err + 100 ))
 fi
 
-#
-
+mv mrf.meta "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_usext"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_usext"
+    if [[ ${DBN_ALERT_TYPE} == "GFS_METAFILE_LAST" ]] ; then
+        DBN_ALERT_TYPE=GFS_METAFILE
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/gfs_${PDY}_${cyc}_usext"
+    fi
+fi
diff --git a/gempak/ush/gfs_meta_ver.sh b/gempak/ush/gfs_meta_ver.sh
index 89a413952e..1c03bad235 100755
--- a/gempak/ush/gfs_meta_ver.sh
+++ b/gempak/ush/gfs_meta_ver.sh
@@ -1,372 +1,68 @@
-#!/bin/sh
+#! /usr/bin/env bash
 #
 # Metafile Script : gfs_meta_ver_new
 #
-# Log :
-# J. Carr/HPC     1/98   Added new metafile
-# J. Carr/HPC     5/98   Converted to gdplot2
-# J. Carr/HPC     8/98   Changed map to medium resolution
-# J. Carr/HPC     2/99   Changed skip to 0
-# J. Carr/HPC     6/99   Added latlon and a filter to map
-# J. Carr/HPC     7/99   Added South American area.
-# J. Carr/HPC   2/2001   Edited to run on the IBM.
-# J. Carr/HPC   5/2001   Added a mn variable for a/b side dbnet root variable.
-# J. Carr/HPC   8/2001   Changed to a korn shell for turnover to production.
-# J. Carr/HPC   8/2001   Submitted.
-# J. Carr/PMB  11/2004   Inserted a ? into all title/TITLE lines.
-#                        Changed contur from 1 to a 2.
-#                        Added logic to take the script from f126 to f228.
-#                        This will remove need for mrfver.
-#                        Removed logic which differentiated cycles since all cycles run to F384.
-#                        Added a South American area for International desk.
-#
 # Set up Local Variables
 #
-set -x
-export PS4='VER:$SECONDS + '
-mkdir -p -m 775 $DATA/VER
-cd $DATA/VER
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
 
-export COMPONENT=${COMPONENT:-atmos}
+source "${HOMEgfs}/ush/preamble.sh"
+
+mkdir -p -m 775 "${DATA}/VER"
+cd "${DATA}/VER" || exit 2
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
-mdl=gfs
 MDL=GFS
-metatype="ver"
 metaname="gfsver_${cyc}.meta"
 device="nc | ${metaname}"
-PDY2=$(echo ${PDY} | cut -c3-)
+
+#
+# Link data into DATA to sidestep gempak path limits
+# TODO: Replace this
 #
-# DEFINE 1 CYCLE AGO
-dc1=$($NDATE -06 ${PDY}${cyc} | cut -c -10)
-date1=$(echo ${dc1} | cut -c -8)
-sdate1=$(echo ${dc1} | cut -c 3-8)
-cycle1=$(echo ${dc1} | cut -c 9,10)
-# DEFINE 2 CYCLES AGO
-dc2=$($NDATE -12 ${PDY}${cyc} | cut -c -10)
-date2=$(echo ${dc2} | cut -c -8)
-sdate2=$(echo ${dc2} | cut -c 3-8)
-cycle2=$(echo ${dc2} | cut -c 9,10)
-# DEFINE 3 CYCLES AGO
-dc3=$($NDATE -18 ${PDY}${cyc} | cut -c -10)
-date3=$(echo ${dc3} | cut -c -8)
-sdate3=$(echo ${dc3} | cut -c 3-8)
-cycle3=$(echo ${dc3} | cut -c 9,10)
-# DEFINE 4 CYCLES AGO
-dc4=$($NDATE -24 ${PDY}${cyc} | cut -c -10)
-date4=$(echo ${dc4} | cut -c -8)
-sdate4=$(echo ${dc4} | cut -c 3-8)
-cycle4=$(echo ${dc4} | cut -c 9,10)
-# DEFINE 5 CYCLES AGO
-dc5=$($NDATE -30 ${PDY}${cyc} | cut -c -10)
-date5=$(echo ${dc5} | cut -c -8)
-sdate5=$(echo ${dc5} | cut -c 3-8)
-cycle5=$(echo ${dc5} | cut -c 9,10)
-# DEFINE 6 CYCLES AGO
-dc6=$($NDATE -36 ${PDY}${cyc} | cut -c -10)
-date6=$(echo ${dc6} | cut -c -8)
-sdate6=$(echo ${dc6} | cut -c 3-8)
-cycle6=$(echo ${dc6} | cut -c 9,10)
-# DEFINE 7 CYCLES AGO
-dc7=$($NDATE -42 ${PDY}${cyc} | cut -c -10)
-date7=$(echo ${dc7} | cut -c -8)
-sdate7=$(echo ${dc7} | cut -c 3-8)
-cycle7=$(echo ${dc7} | cut -c 9,10)
-# DEFINE 8 CYCLES AGO
-dc8=$($NDATE -48 ${PDY}${cyc} | cut -c -10)
-date8=$(echo ${dc8} | cut -c -8)
-sdate8=$(echo ${dc8} | cut -c 3-8)
-cycle8=$(echo ${dc8} | cut -c 9,10)
-# DEFINE 9 CYCLES AGO
-dc9=$($NDATE -54 ${PDY}${cyc} | cut -c -10)
-date9=$(echo ${dc9} | cut -c -8)
-sdate9=$(echo ${dc9} | cut -c 3-8)
-cycle9=$(echo ${dc9} | cut -c 9,10)
-# DEFINE 10 CYCLES AGO
-dc10=$($NDATE -60 ${PDY}${cyc} | cut -c -10)
-date10=$(echo ${dc10} | cut -c -8)
-sdate10=$(echo ${dc10} | cut -c 3-8)
-cycle10=$(echo ${dc10} | cut -c 9,10)
-# DEFINE 11 CYCLES AGO
-dc11=$($NDATE -66 ${PDY}${cyc} | cut -c -10)
-date11=$(echo ${dc11} | cut -c -8)
-sdate11=$(echo ${dc11} | cut -c 3-8)
-cycle11=$(echo ${dc11} | cut -c 9,10)
-# DEFINE 12 CYCLES AGO
-dc12=$($NDATE -72 ${PDY}${cyc} | cut -c -10)
-date12=$(echo ${dc12} | cut -c -8)
-sdate12=$(echo ${dc12} | cut -c 3-8)
-cycle12=$(echo ${dc12} | cut -c 9,10)
-# DEFINE 13 CYCLES AGO
-dc13=$($NDATE -78 ${PDY}${cyc} | cut -c -10)
-date13=$(echo ${dc13} | cut -c -8)
-sdate13=$(echo ${dc13} | cut -c 3-8)
-cycle13=$(echo ${dc13} | cut -c 9,10)
-# DEFINE 14 CYCLES AGO
-dc14=$($NDATE -84 ${PDY}${cyc} | cut -c -10)
-date14=$(echo ${dc14} | cut -c -8)
-sdate14=$(echo ${dc14} | cut -c 3-8)
-cycle14=$(echo ${dc14} | cut -c 9,10)
-# DEFINE 15 CYCLES AGO
-dc15=$($NDATE -90 ${PDY}${cyc} | cut -c -10)
-date15=$(echo ${dc15} | cut -c -8)
-sdate15=$(echo ${dc15} | cut -c 3-8)
-cycle15=$(echo ${dc15} | cut -c 9,10)
-# DEFINE 16 CYCLES AGO
-dc16=$($NDATE -96 ${PDY}${cyc} | cut -c -10)
-date16=$(echo ${dc16} | cut -c -8)
-sdate16=$(echo ${dc16} | cut -c 3-8)
-cycle16=$(echo ${dc16} | cut -c 9,10)
-# DEFINE 17 CYCLES AGO
-dc17=$($NDATE -102 ${PDY}${cyc} | cut -c -10)
-date17=$(echo ${dc17} | cut -c -8)
-sdate17=$(echo ${dc17} | cut -c 3-8)
-cycle17=$(echo ${dc17} | cut -c 9,10)
-# DEFINE 18 CYCLES AGO
-dc18=$($NDATE -108 ${PDY}${cyc} | cut -c -10)
-date18=$(echo ${dc18} | cut -c -8)
-sdate18=$(echo ${dc18} | cut -c 3-8)
-cycle18=$(echo ${dc18} | cut -c 9,10)
-# DEFINE 19 CYCLES AGO
-dc19=$($NDATE -114 ${PDY}${cyc} | cut -c -10)
-date19=$(echo ${dc19} | cut -c -8)
-sdate19=$(echo ${dc19} | cut -c 3-8)
-cycle19=$(echo ${dc19} | cut -c 9,10)
-# DEFINE 20 CYCLES AGO
-dc20=$($NDATE -120 ${PDY}${cyc} | cut -c -10)
-date20=$(echo ${dc20} | cut -c -8)
-sdate20=$(echo ${dc20} | cut -c 3-8)
-cycle20=$(echo ${dc20} | cut -c 9,10)
-# DEFINE 21 CYCLES AGO
-dc21=$($NDATE -126 ${PDY}${cyc} | cut -c -10)
-date21=$(echo ${dc21} | cut -c -8)
-sdate21=$(echo ${dc21} | cut -c 3-8)
-cycle21=$(echo ${dc21} | cut -c 9,10)
-# DEFINE 22 CYCLES AGO
-dc22=$($NDATE -132 ${PDY}${cyc} | cut -c -10)
-date22=$(echo ${dc22} | cut -c -8)
-sdate22=$(echo ${dc22} | cut -c 3-8)
-cycle22=$(echo ${dc22} | cut -c 9,10)
-# DEFINE 23 CYCLES AGO
-dc23=$($NDATE -138 ${PDY}${cyc} | cut -c -10)
-date23=$(echo ${dc23} | cut -c -8)
-sdate23=$(echo ${dc23} | cut -c 3-8)
-cycle23=$(echo ${dc23} | cut -c 9,10)
-# DEFINE 24 CYCLES AGO
-dc24=$($NDATE -144 ${PDY}${cyc} | cut -c -10)
-date24=$(echo ${dc24} | cut -c -8)
-sdate24=$(echo ${dc24} | cut -c 3-8)
-cycle24=$(echo ${dc24} | cut -c 9,10)
-# DEFINE 25 CYCLES AGO
-dc25=$($NDATE -150 ${PDY}${cyc} | cut -c -10)
-date25=$(echo ${dc25} | cut -c -8)
-sdate25=$(echo ${dc25} | cut -c 3-8)
-cycle25=$(echo ${dc25} | cut -c 9,10)
-# DEFINE 26 CYCLES AGO
-dc26=$($NDATE -156 ${PDY}${cyc} | cut -c -10)
-date26=$(echo ${dc26} | cut -c -8)
-sdate26=$(echo ${dc26} | cut -c 3-8)
-cycle26=$(echo ${dc26} | cut -c 9,10)
-# DEFINE 27 CYCLES AGO
-dc27=$($NDATE -162 ${PDY}${cyc} | cut -c -10)
-date27=$(echo ${dc27} | cut -c -8)
-sdate27=$(echo ${dc27} | cut -c 3-8)
-cycle27=$(echo ${dc27} | cut -c 9,10)
-# DEFINE 28 CYCLES AGO
-dc28=$($NDATE -168 ${PDY}${cyc} | cut -c -10)
-date28=$(echo ${dc28} | cut -c -8)
-sdate28=$(echo ${dc28} | cut -c 3-8)
-cycle28=$(echo ${dc28} | cut -c 9,10)
-# DEFINE 29 CYCLES AGO
-dc29=$($NDATE -174 ${PDY}${cyc} | cut -c -10)
-date29=$(echo ${dc29} | cut -c -8)
-sdate29=$(echo ${dc29} | cut -c 3-8)
-cycle29=$(echo ${dc29} | cut -c 9,10)
-# DEFINE 30 CYCLES AGO
-dc30=$($NDATE -180 ${PDY}${cyc} | cut -c -10)
-date30=$(echo ${dc30} | cut -c -8)
-sdate30=$(echo ${dc30} | cut -c 3-8)
-cycle30=$(echo ${dc30} | cut -c 9,10)
-# DEFINE 31 CYCLES AGO
-dc31=$($NDATE -192 ${PDY}${cyc} | cut -c -10)
-date31=$(echo ${dc31} | cut -c -8)
-sdate31=$(echo ${dc31} | cut -c 3-8)
-cycle31=$(echo ${dc31} | cut -c 9,10)
-# DEFINE 32 CYCLES AGO
-dc32=$($NDATE -204 ${PDY}${cyc} | cut -c -10)
-date32=$(echo ${dc32} | cut -c -8)
-sdate32=$(echo ${dc32} | cut -c 3-8)
-cycle32=$(echo ${dc32} | cut -c 9,10)
-# DEFINE 33 CYCLES AGO
-dc33=$($NDATE -216 ${PDY}${cyc} | cut -c -10)
-date33=$(echo ${dc33} | cut -c -8)
-sdate33=$(echo ${dc33} | cut -c 3-8)
-cycle33=$(echo ${dc33} | cut -c 9,10)
+export COMIN="${RUN}.${PDY}${cyc}"
+if [[ ! -L ${COMIN} ]]; then
+    ln -sf "${COM_ATMOS_GEMPAK_1p00}" "${COMIN}"
+fi
 
 # SET CURRENT CYCLE AS THE VERIFICATION GRIDDED FILE.
-vergrid="F-${MDL} | ${PDY2}/${cyc}00"
+vergrid="F-${MDL} | ${PDY:2}/${cyc}00"
 fcsthr="f00"
 
-# SET WHAT RUNS TO COMPARE AGAINST BASED ON MODEL CYCLE TIME.
-#if [ ${cyc} -eq 00 ] ; then
-#    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc15} ${dc16} ${dc17} ${dc18} ${dc19} ${dc20} ${dc21}"
-#elif [ ${cyc} -eq 12 ] ; then
-#    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc15} ${dc16} ${dc17} ${dc18} ${dc19} ${dc20} ${dc21}"
-#else
-#    verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc15} ${dc16} ${dc17} ${dc18} ${dc19} ${dc20} ${dc21}"
-#fi 
-
-verdays="${dc1} ${dc2} ${dc3} ${dc4} ${dc5} ${dc6} ${dc7} ${dc8} ${dc9} ${dc10} ${dc11} ${dc12} ${dc13} ${dc14} ${dc15} ${dc16} ${dc17} ${dc18} ${dc19}
-${dc20} ${dc21} ${dc22} ${dc23} ${dc24} ${dc25} ${dc26} ${dc27} ${dc28} ${dc29} ${dc30} ${dc31} ${dc32} ${dc33}"
-
-
-#GENERATING THE METAFILES.
 MDL2="GFSHPC"
-for verday in ${verdays}
-    do
-    cominday=$(echo ${verday} | cut -c -8)
-    #XXW export HPCGFS=$COMROOT/nawips/prod/${mdl}.${cominday}
-    # BV export HPCGFS=$COMROOT/nawips/${envir}/${mdl}.${cominday}
-    export HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cyc}/${COMPONENT}/gempak
+#GENERATING THE METAFILES.
+# seq won't give us any splitting problems, ignore warnings
+# shellcheck disable=SC2207,SC2312
+IFS=$'\n' lookbacks=($(seq 6 6 180) $(seq 192 12 216))
+for lookback in "${lookbacks[@]}"; do
+    init_time="$(date --utc +%Y%m%d%H -d "${PDY} ${cyc} - ${lookback} hours")"
+    init_PDY=${init_time:0:8}
+    init_cyc=${init_time:8:2}
+
+    if (( init_time <= ${SDATE:-0} )); then
+        echo "Skipping ver for ${init_time} because it is before the experiment began"
+        if (( lookback == "${lookbacks[0]}" )); then
+            echo "First forecast time, no metafile produced"
+            exit 0
+        else
+            break
+        fi
+    fi
+
+    dgdattim="f$(printf "%03g" "${lookback}")"
 
-    if [ ${verday} -eq ${dc1} ] ; then
-        dgdattim=f006
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle1}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate1}/${cycle1}00"
-    elif [ ${verday} -eq ${dc2} ] ; then
-        dgdattim=f012
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle2}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate2}/${cycle2}00"
-    elif [ ${verday} -eq ${dc3} ] ; then
-        dgdattim=f018
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle3}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate3}/${cycle3}00"
-    elif [ ${verday} -eq ${dc4} ] ; then
-        dgdattim=f024
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle4}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate4}/${cycle4}00"
-    elif [ ${verday} -eq ${dc5} ] ; then
-        dgdattim=f030
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle5}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate5}/${cycle5}00"
-    elif [ ${verday} -eq ${dc6} ] ; then
-        dgdattim=f036
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle6}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate6}/${cycle6}00"
-    elif [ ${verday} -eq ${dc7} ] ; then
-        dgdattim=f042
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle7}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate7}/${cycle7}00"
-    elif [ ${verday} -eq ${dc8} ] ; then
-        dgdattim=f048
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle8}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate8}/${cycle8}00"
-    elif [ ${verday} -eq ${dc9} ] ; then
-        dgdattim=f054
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle9}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate9}/${cycle9}00"
-    elif [ ${verday} -eq ${dc10} ] ; then
-        dgdattim=f060
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle10}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate10}/${cycle10}00"
-    elif [ ${verday} -eq ${dc11} ] ; then
-        dgdattim=f066
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle11}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate11}/${cycle11}00"
-    elif [ ${verday} -eq ${dc12} ] ; then
-        dgdattim=f072
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle12}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate12}/${cycle12}00"
-    elif [ ${verday} -eq ${dc13} ] ; then
-        dgdattim=f078
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle13}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate13}/${cycle13}00"
-    elif [ ${verday} -eq ${dc14} ] ; then
-        dgdattim=f084
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle14}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate14}/${cycle14}00"
-    elif [ ${verday} -eq ${dc15} ] ; then
-        dgdattim=f090
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle15}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate15}/${cycle15}00"
-    elif [ ${verday} -eq ${dc16} ] ; then
-        dgdattim=f096
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle16}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate16}/${cycle16}00"
-    elif [ ${verday} -eq ${dc17} ] ; then
-        dgdattim=f102
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle17}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate17}/${cycle17}00"
-    elif [ ${verday} -eq ${dc18} ] ; then
-        dgdattim=f108
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle18}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate18}/${cycle18}00"
-    elif [ ${verday} -eq ${dc19} ] ; then
-        dgdattim=f114
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle19}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate19}/${cycle19}00"
-    elif [ ${verday} -eq ${dc20} ] ; then
-        dgdattim=f120
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle20}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate20}/${cycle20}00"
-    elif [ ${verday} -eq ${dc21} ] ; then
-        dgdattim=f126
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle21}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate21}/${cycle21}00"
-    elif [ ${verday} -eq ${dc22} ] ; then
-        dgdattim=f132
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle22}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate22}/${cycle22}00"
-    elif [ ${verday} -eq ${dc23} ] ; then
-        dgdattim=f138
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle23}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate23}/${cycle23}00"
-    elif [ ${verday} -eq ${dc24} ] ; then
-        dgdattim=f144
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle24}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate24}/${cycle24}00"
-    elif [ ${verday} -eq ${dc25} ] ; then
-        dgdattim=f150
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle25}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate25}/${cycle25}00"
-    elif [ ${verday} -eq ${dc26} ] ; then
-        dgdattim=f156
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle26}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate26}/${cycle26}00"
-    elif [ ${verday} -eq ${dc27} ] ; then
-        dgdattim=f162
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle27}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate27}/${cycle27}00"
-    elif [ ${verday} -eq ${dc28} ] ; then
-        dgdattim=f168
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle28}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate28}/${cycle28}00"
-    elif [ ${verday} -eq ${dc29} ] ; then
-        dgdattim=f174
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle29}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate29}/${cycle29}00"
-    elif [ ${verday} -eq ${dc30} ] ; then
-        dgdattim=f180
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle30}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate30}/${cycle30}00"
-    elif [ ${verday} -eq ${dc31} ] ; then
-        dgdattim=f192
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle31}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate31}/${cycle31}00"
-    elif [ ${verday} -eq ${dc32} ] ; then
-        dgdattim=f204
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle32}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate32}/${cycle32}00"
-    elif [ ${verday} -eq ${dc33} ] ; then
-        dgdattim=f216
-        HPCGFS=${COMINgempak}/${mdl}.${cominday}/${cycle33}/${COMPONENT}/gempak
-        grid="F-${MDL2} | ${sdate33}/${cycle33}00"
+    # Create symlink in DATA to sidestep gempak path limits
+    HPCGFS="${RUN}.${init_time}"
+    if [[ ! -L "${HPCGFS}" ]]; then
+        YMD=${init_PDY} HH=${init_cyc} GRID="1p00" generate_com source_dir:COM_ATMOS_GEMPAK_TMPL
+        ln -sf "${source_dir}" "${HPCGFS}"
     fi
 
-# 500 MB HEIGHT METAFILE
+    grid="F-${MDL2} | ${init_PDY}/${init_cyc}00"
 
-export pgm=gdplot2_nc;. prep_step; startmsg
-$GEMEXE/gdplot2_nc << EOFplt
+    # 500 MB HEIGHT METAFILE
+
+    export pgm=gdplot2_nc;. prep_step
+    "${GEMEXE}/gdplot2_nc" << EOFplt
 PROJ     = STR/90.0;-95.0;0.0
 GAREA    = 5.1;-124.6;49.6;-11.9
 map      = 1//2
@@ -417,7 +113,7 @@ title    = 5/-1/~ ? GFS PMSL
 clear    = no
 r
 
-!PROJ     = 
+!PROJ     =
 !GAREA    = bwus
 !gdfile   = ${vergrid}
 !gdattim  = ${fcsthr}
@@ -443,7 +139,7 @@ r
 ! SOUTH AMERICAN AREA.
 ! 500 MB
 
-PROJ     = 
+PROJ     =
 GAREA    = samps
 map      = 1//2
 clear    = yes
@@ -498,29 +194,29 @@ r
 
 ex
 EOFplt
-export err=$?;err_chk
-#####################################################
-# GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
-# WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
-# FOR THIS CASE HERE.
-#####################################################
-ls -l $metaname
-export err=$?;export pgm="GEMPAK CHECK FILE";err_chk
+    export err=$?;err_chk
+
+    #####################################################
+    # GEMPAK DOES NOT ALWAYS HAVE A NON ZERO RETURN CODE
+    # WHEN IT CAN NOT PRODUCE THE DESIRED GRID.  CHECK
+    # FOR THIS CASE HERE.
+    #####################################################
+    if (( err != 0 )) || [[ ! -s "${metaname}" ]] &> /dev/null; then
+        echo "FATAL ERROR: Failed to create gempak meta file ${metaname}"
+        exit $(( err + 100 ))
+    fi
 
 done
 
-if [ $SENDCOM = "YES" ] ; then
-   mv ${metaname} ${COMOUT}/gfsver_${PDY}_${cyc}
-   if [ $SENDDBN = "YES" ] ; then
-      ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-      ${COMOUT}/gfsver_${PDY}_${cyc}
-      if [ $DBN_ALERT_TYPE = "GFS_METAFILE_LAST" ] ; then
+mv "${metaname}" "${COM_ATMOS_GEMPAK_META}/gfsver_${PDY}_${cyc}"
+if [[ "${SENDDBN}" == "YES" ]] ; then
+    "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+        "${COM_ATMOS_GEMPAK_META}/gfsver_${PDY}_${cyc}"
+    if [[ "${DBN_ALERT_TYPE}" = "GFS_METAFILE_LAST" ]] ; then
         DBN_ALERT_TYPE=GFS_METAFILE
-        ${DBNROOT}/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-        ${COMOUT}/gfsver_${PDY}_${cyc}
-      fi
-   fi
+        "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+            "${COM_ATMOS_GEMPAK_META}/gfsver_${PDY}_${cyc}"
+    fi
 fi
 
-
 exit
diff --git a/jobs/JGDAS_ATMOS_GEMPAK b/jobs/JGDAS_ATMOS_GEMPAK
index d0d1f16f81..b38f4b60bb 100755
--- a/jobs/JGDAS_ATMOS_GEMPAK
+++ b/jobs/JGDAS_ATMOS_GEMPAK
@@ -27,11 +27,11 @@ export model=${model:-gdas}
 ##############################################
 # Define COM directories
 ##############################################
-for grid in 0p25 0p50 1p00; do
+for grid in 0p25 1p00; do
   GRID=${grid} YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GRIB_${grid}:COM_ATMOS_GRIB_GRID_TMPL"
 done
 
-for grid in 1p00 0p25; do
+for grid in 0p25 1p00; do
   prod_dir="COM_ATMOS_GEMPAK_${grid}"
   GRID=${grid} YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_${grid}:COM_ATMOS_GEMPAK_TMPL"
 
@@ -40,50 +40,38 @@ for grid in 1p00 0p25; do
   fi
 done
 
-
 # TODO: These actions belong in an ex-script not a j-job
 if [[ -f poescript ]]; then
    rm -f poescript
 fi
 
-########################################################
-# Execute the script.
-echo "${SCRgfs}/exgdas_atmos_nawips.sh gdas 009 GDAS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}" >> poescript
-########################################################
+{
+  ########################################################
+  # Execute the script.
+  echo "${SCRgfs}/exgdas_atmos_nawips.sh 1p00 009 GDAS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}"
+  ########################################################
 
-########################################################
-# Execute the script for quater-degree grib
-echo "${SCRgfs}/exgdas_atmos_nawips.sh gdas_0p25 009 GDAS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}" >> poescript
-########################################################
+  ########################################################
+  # Execute the script for quater-degree grib
+  echo "${SCRgfs}/exgdas_atmos_nawips.sh 0p25 009 GDAS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  ########################################################
+} > poescript
 
 cat poescript
 
-chmod 775 ${DATA}/poescript
-export MP_PGMMODEL=mpmd
-export MP_CMDFILE=${DATA}/poescript
-
-ntasks=${NTASKS_GEMPAK:-$(cat ${DATA}/poescript | wc -l)}
-ptile=${PTILE_GEMPAK:-4}
-threads=${NTHREADS_GEMPAK:-1}
-export OMP_NUM_THREADS=${threads}
-APRUN="mpiexec -l -np ${ntasks} --cpu-bind verbose,core cfp"
-
-APRUN_GEMPAKCFP=${APRUN_GEMPAKCFP:-${APRUN}}
-
-${APRUN_GEMPAKCFP} ${DATA}/poescript
+"${HOMEgfs}/ush/run_mpmd.sh" poescript
 export err=$?; err_chk
 
 ############################################
 # print exec I/O output
 ############################################
-if [ -e "${pgmout}" ] ; then
-  cat ${pgmout}
+if [[ -e "${pgmout}" ]] ; then
+  cat "${pgmout}"
 fi
 
 ###################################
 # Remove temp directories
 ###################################
-if [ "${KEEPDATA}" != "YES" ] ; then
-  rm -rf ${DATA}
+if [[ "${KEEPDATA}" != "YES" ]] ; then
+  rm -rf "${DATA}"
 fi
-
diff --git a/jobs/JGDAS_ATMOS_GEMPAK_META_NCDC b/jobs/JGDAS_ATMOS_GEMPAK_META_NCDC
index a6c54b8337..27050de942 100755
--- a/jobs/JGDAS_ATMOS_GEMPAK_META_NCDC
+++ b/jobs/JGDAS_ATMOS_GEMPAK_META_NCDC
@@ -4,14 +4,13 @@
 # GDAS GEMPAK META NCDC PRODUCT GENERATION
 ############################################
 
-# TODO (#1222) This j-job is not part of the rocoto
-
 source "${HOMEgfs}/ush/preamble.sh"
 source "${HOMEgfs}/ush/jjob_header.sh" -e "gempak_meta" -c "base gempak"
 
 # Now set up GEMPAK/NTRANS environment
 
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+# datatype.tbl specifies the paths and filenames of files
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
 ###################################
 # Specify NET and RUN Name and model
@@ -35,29 +34,37 @@ export DBNROOT=${DBNROOT:-${UTILROOT}/fakedbn}
 ##############################################
 # Define COM directories
 ##############################################
-export COMIN=${COMIN:-$(compath.py ${envir}/${NET}/${gfs_ver})/${RUN}.${PDY}/${cyc}/${COMPONENT}/gempak}
-export COMINgdas=${COMINgdas:-$(compath.py ${envir}/${NET}/${gfs_ver})/${RUN}}
-export COMOUT=${COMOUT:-$(compath.py -o ${NET}/${gfs_ver}/${RUN}.${PDY})/${cyc}/${COMPONENT}/gempak/meta}
-export COMOUTncdc=${COMOUTncdc:-$(compath.py -o ${NET}/${gfs_ver}/${RUN}.${PDY})/${cyc}/${COMPONENT}}
+GRID=1p00 YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_1p00:COM_ATMOS_GEMPAK_TMPL"
 
-export COMINukmet=${COMINukmet:-$(compath.py ${envir}/ukmet/${ukmet_ver})/ukmet}
-export COMINecmwf=${COMINecmwf:-$(compath.py ${envir}/ecmwf/${ecmwf_ver})/ecmwf}
+GRID="meta" YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_META:COM_ATMOS_GEMPAK_TMPL"
+if [[ ! -d "${COM_ATMOS_GEMPAK_META}" ]]; then
+  mkdir -m 775 -p "${COM_ATMOS_GEMPAK_META}"
+fi
 
-export COMOUTukmet=${COMOUT}
-export COMOUTecmwf=${COMOUT}
+if (( cyc%12 == 0 )); then
+  GRID="gif" YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_GIF:COM_ATMOS_GEMPAK_TMPL"
+  if [[ ! -d "${COM_ATMOS_GEMPAK_GIF}" ]]; then
+    mkdir -m 775 -p "${COM_ATMOS_GEMPAK_GIF}"
+  fi
+fi
 
-mkdir -m 775 -p ${COMOUT} ${COMOUTncdc} ${COMOUTukmet} ${COMOUTecmwf}
+export COMINukmet="${COMINukmet:-$(compath.py "${envir}/ukmet/${ukmet_ver}")/ukmet}"
+export COMINecmwf="${COMINecmwf:-$(compath.py "${envir}/ecmwf/${ecmwf_ver}")/ecmwf}"
 
 export pgmout=OUTPUT.$$
 
-
 ########################################################
 # Execute the script.
-${HOMEgfs}/gempak/ush/gdas_meta_na.sh
-${HOMEgfs}/gempak/ush/gdas_ecmwf_meta_ver.sh
-${HOMEgfs}/gempak/ush/gdas_meta_loop.sh
-${HOMEgfs}/gempak/ush/gdas_ukmet_meta_ver.sh
+"${HOMEgfs}/gempak/ush/gdas_meta_na.sh"
 export err=$?; err_chk
+"${HOMEgfs}/gempak/ush/gdas_meta_loop.sh"
+export err=$?; err_chk
+if [[ "${cyc}" == '06' ]]; then
+  "${HOMEgfs}/gempak/ush/gdas_ecmwf_meta_ver.sh"
+  export err=$?; err_chk
+  "${HOMEgfs}/gempak/ush/gdas_ukmet_meta_ver.sh"
+  export err=$?; err_chk
+fi
 ########################################################
 
 ############################################
@@ -66,21 +73,23 @@ export err=$?; err_chk
 
 ########################################################
 # Execute the script.
-${SCRgfs}/exgdas_atmos_gempak_gif_ncdc.sh
+if (( cyc%12 == 0 )); then
+  "${SCRgfs}/exgdas_atmos_gempak_gif_ncdc.sh"
+fi
 export err=$?; err_chk
 ########################################################
 
 ############################################
 # print exec I/O output
 ############################################
-if [ -e "${pgmout}" ] ; then
-  cat ${pgmout}
+if [[ -e "${pgmout}" ]] ; then
+  cat "${pgmout}"
 fi
 
 ###################################
 # Remove temp directories
 ###################################
-if [ "${KEEPDATA}" != "YES" ] ; then
-  rm -rf ${DATA}
+if [[ "${KEEPDATA}" != "YES" ]] ; then
+  rm -rf "${DATA}"
 fi
 
diff --git a/jobs/JGFS_ATMOS_GEMPAK b/jobs/JGFS_ATMOS_GEMPAK
index e71338b6de..5aa6c6826f 100755
--- a/jobs/JGFS_ATMOS_GEMPAK
+++ b/jobs/JGFS_ATMOS_GEMPAK
@@ -50,93 +50,75 @@ if (( ocean_domain_max > FHMAX_GFS )); then
   ocean_domain_max=${FHMAX_GFS}
 fi
 
-#################################################################
-# Execute the script for the 384 hour 1 degree grib
-##################################################################
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00} &> ${DATA}/gfs_1p0.$$.1 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00} &> ${DATA}/gfs_1p0.$$.2 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00} &> ${DATA}/gfs_1p0.$$.3 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00} &> ${DATA}/gfs_1p0.$$.4 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00} &> ${DATA}/gfs_1p0.$$.5 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00} &> ${DATA}/gfs_1p0.$$.6 " >> poescript
-
-#################################################################
-# Execute the script for the half-degree grib
-##################################################################
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50} &> ${DATA}/gfs_0p5.$$.1 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50} &> ${DATA}/gfs_0p5.$$.2 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50} &> ${DATA}/gfs_0p5.$$.3 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50} &> ${DATA}/gfs_0p5.$$.4 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50} &> ${DATA}/gfs_0p5.$$.5 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50} &> ${DATA}/gfs_0p5.$$.6 " >> poescript
-
-#################################################################
-# Execute the script for the quater-degree grib
-####################################################################
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.1 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.2 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.3 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.4 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.5 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.6 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.7 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.8 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.9 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs_0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}&> ${DATA}/gfs_0p25.$$.10 " >> poescript
-
-####################################################################
-# Execute the script to create the 35km Pacific grids for OPC
-#####################################################################
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs35_pac ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_pac} &> ${DATA}/gfs35_pac.$$.1 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs35_pac ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_pac} &> ${DATA}/gfs35_pac.$$.2 " >> poescript
-
-####################################################################
-# Execute the script to create the 35km Atlantic grids for OPC
-#####################################################################
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs35_atl ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_atl} &> ${DATA}/gfs35_atl.$$.1 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs35_atl ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_atl} &> ${DATA}/gfs35_atl.$$.2 " >> poescript
-
-#####################################################################
-# Execute the script to create the 40km grids for HPC
-######################################################################
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs40 ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_40km} &> ${DATA}/gfs40.$$.1 " >> poescript
-echo "time ${SCRgfs}/exgfs_atmos_nawips.sh gfs40 ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_40km} &> ${DATA}/gfs40.$$.2 " >> poescript
-
-if [[ ${CFP_MP:-"NO"} == "YES" ]]; then
-  # Add task number to the MPMD script
-  nl -n ln -v 0 poescript > poescript.new
-  mv poescript.new poescript
-fi
+{
+  #################################################################
+  # Execute the script for the 384 hour 1 degree grib
+  ##################################################################
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 1p00 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 1p00 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 1p00 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 1p00 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 1p00 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 1p00 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_1p00}"
+
+  #################################################################
+  # Execute the script for the half-degree grib
+  ##################################################################
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p50 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p50}"
+
+  #################################################################
+  # Execute the script for the quater-degree grib
+  ####################################################################
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 0p25 ${FHMAX_GFS} GFS_GEMPAK ${COM_ATMOS_GEMPAK_0p25}"
+
+  ####################################################################
+  # Execute the script to create the 35km Pacific grids for OPC
+  #####################################################################
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 35km_pac ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_pac}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 35km_pac ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_pac}"
+
+  ####################################################################
+  # Execute the script to create the 35km Atlantic grids for OPC
+  #####################################################################
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 35km_atl ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_atl}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 35km_atl ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_35km_atl}"
+
+  #####################################################################
+  # Execute the script to create the 40km grids for HPC
+  ######################################################################
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 40km ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_40km}"
+  echo "time ${SCRgfs}/exgfs_atmos_nawips.sh 40km ${ocean_domain_max} GFS_GEMPAK_WWB ${COM_ATMOS_GEMPAK_40km}"
+} > poescript
 
 cat poescript
 
-chmod 775 ${DATA}/poescript
-export MP_PGMMODEL=mpmd
-export MP_CMDFILE=${DATA}/poescript
-
-ntasks=$(cat ${DATA}/poescript | wc -l)
-ptile=${PTILE_GEMPAK:-4}
-threads=${NTHREADS_GEMPAK:-1}
-export OMP_NUM_THREADS=${threads}
-APRUN=${APRUN:-"mpiexec -l -np ${ntasks} --cpu-bind verbose,core cfp"}
-
-APRUN_GEMPAKCFP=${APRUN_GEMPAKCFP:-${APRUN}}
-APRUNCFP=${APRUN_GEMPAKCFP}
-
-${APRUNCFP} ${DATA}/poescript
+"${HOMEgfs}/ush/run_mpmd.sh" poescript
 export err=$?; err_chk
 
 ############################################
 # print exec I/O output
 ############################################
-if [ -e "${pgmout}" ] ; then
-  cat ${pgmout}
+if [[ -e "${pgmout}" ]] ; then
+  cat "${pgmout}"
 fi
 
 ###################################
 # Remove temp directories
 ###################################
-if [ "${KEEPDATA}" != "YES" ] ; then
-  rm -rf ${DATA}
+if [[ "${KEEPDATA}" != "YES" ]] ; then
+  rm -rf "${DATA}"
 fi
-
diff --git a/jobs/JGFS_ATMOS_GEMPAK_META b/jobs/JGFS_ATMOS_GEMPAK_META
index eebc137f30..ac49a1e9ae 100755
--- a/jobs/JGFS_ATMOS_GEMPAK_META
+++ b/jobs/JGFS_ATMOS_GEMPAK_META
@@ -18,15 +18,19 @@ export MP_LABELIO=yes
 export MP_PULSE=0
 export MP_DEBUG_NOTIMEOUT=yes
 
-cp ${HOMEgfs}/gempak/fix/datatype.tbl datatype.tbl
+cp "${HOMEgfs}/gempak/fix/datatype.tbl" datatype.tbl
 
 #############################################
 #set the fcst hrs for all the cycles
 #############################################
-export fhbeg=00
+export fhbeg=0
 export fhend=384
 export fhinc=12
 
+if (( fhend > FHMAX_GFS )); then
+  export fhend=${FHMAX_GFS}
+fi
+
 ###################################
 # Specify NET and RUN Name and model
 ####################################
@@ -41,37 +45,37 @@ export DBN_ALERT_TYPE=GFS_METAFILE
 ##############################################
 # Define COM directories
 ##############################################
-export COMIN=${COMIN:-$(compath.py ${envir}/${NET}/${gfs_ver})/${RUN}.${PDY}/${cyc}/${COMPONENT}/gempak}
-export COMOUT=${COMOUT:-$(compath.py -o ${NET}/${gfs_ver}/${RUN}.${PDY})/${cyc}/${COMPONENT}/gempak/meta}
-export COMINgempak=${COMINgempak:-$(compath.py ${envir}/${NET}/${gfs_ver})}
-
-export COMINukmet=${COMINukmet:-$(compath.py ${envir}/ukmet/${ukmet_ver})/ukmet}
-export COMINecmwf=${COMINecmwf:-$(compath.py ${envir}/ecmwf/${ecmwf_ver})/ecmwf}
-export COMINnam=${COMINnam:-$(compath.py ${envir}/nam/${nam_ver})/nam}
+export COMINukmet=${COMINukmet:-$(compath.py "${envir}/ukmet/${ukmet_ver}")/ukmet}
+export COMINecmwf=${COMINecmwf:-$(compath.py "${envir}/ecmwf/${ecmwf_ver}")/ecmwf}
+export COMINnam=${COMINnam:-$(compath.py "${envir}/nam/${nam_ver}")/nam}
 
 export SENDDBN=${SENDDBN:-NO}
 export DBNROOT=${DBNROOT:-${UTILROOT}/fakedbn}
 
-mkdir -m 775 -p ${COMOUT}
+GRID=1p00 YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_1p00:COM_ATMOS_GEMPAK_TMPL"
 
+GRID="meta" YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_META:COM_ATMOS_GEMPAK_TMPL"
+if [[ ! -d "${COM_ATMOS_GEMPAK_META}" ]] ; then
+  mkdir -m 775 -p "${COM_ATMOS_GEMPAK_META}"
+fi
 
 ########################################################
 # Execute the script.
-${SCRgfs}/exgfs_atmos_gempak_meta.sh
+"${SCRgfs}/exgfs_atmos_gempak_meta.sh"
 export err=$?; err_chk
 ########################################################
 
 ############################################
 # print exec I/O output
 ############################################
-if [ -e "${pgmout}" ] ; then
-  cat ${pgmout}
+if [[ -e "${pgmout}" ]] ; then
+  cat "${pgmout}"
 fi
 
 ###################################
 # Remove temp directories
 ###################################
-if [ "${KEEPDATA}" != "YES" ] ; then
-  rm -rf ${DATA}
+if [[ "${KEEPDATA}" != "YES" ]] ; then
+  rm -rf "${DATA}"
 fi
 
diff --git a/jobs/JGFS_ATMOS_GEMPAK_NCDC_UPAPGIF b/jobs/JGFS_ATMOS_GEMPAK_NCDC_UPAPGIF
index 0f83594e72..4be68abcd3 100755
--- a/jobs/JGFS_ATMOS_GEMPAK_NCDC_UPAPGIF
+++ b/jobs/JGFS_ATMOS_GEMPAK_NCDC_UPAPGIF
@@ -1,7 +1,5 @@
 #! /usr/bin/env bash
 
-# TODO (#1222) This job is not part of the rocoto suite
-
 ############################################
 # GFS GEMPAK NCDC PRODUCT GENERATION
 ############################################
@@ -14,6 +12,9 @@ export MP_TIMEOUT=2000
 # Set up model and cycle specific variables
 export MODEL=GFS
 export fend=384
+if (( fend > FHMAX_GFS )); then
+  export fend="${FHMAX_GFS}"
+fi
 
 # set increment to 6 hours  --  3 hours is available.
 export finc=6
@@ -28,37 +29,40 @@ export COMPONENT="atmos"
 ##############################################
 # Define COM directories
 ##############################################
-export COMIN=${COMIN:-$(compath.py ${envir}/${NET}/${gfs_ver})/${RUN}.${PDY}/${cyc}/${COMPONENT}/gempak}
-export COMINgfs=${COMINgfs:-$(compath.py ${envir}/${NET}/${gfs_ver}/${RUN}.${PDY})/${cyc}/${COMPONENT}}
-export COMINobsproc=${COMINobsproc:-$(compath.py ${envir}/obsproc/${obsproc_ver})/${RUN}.${PDY}/${cyc}/${COMPONENT}}
-export COMOUT=${COMOUT:-$(compath.py -o ${NET}/${gfs_ver}/${RUN}.${PDY})/${cyc}/${COMPONENT}}
-export COMOUTwmo=${COMOUTwmo:-${COMOUT}/wmo}
+YMD=${PDY} HH=${cyc} generate_com -rx "COM_OBS"
+GRID=1p00 YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_1p00:COM_ATMOS_GEMPAK_TMPL"
+
+for grid in gif upper_air; do
+  gempak_dir="COM_ATMOS_GEMPAK_${grid^^}"
+  GRID=${grid} YMD=${PDY} HH=${cyc} generate_com -rx "${gempak_dir}:COM_ATMOS_GEMPAK_TMPL"
+  if [[ ! -d "${!gempak_dir}" ]]; then mkdir -m 775 -p "${!gempak_dir}"; fi
+done
+
+YMD=${PDY} HH=${cyc} generate_com -rx COM_ATMOS_WMO
+if [[ ! -d "${COM_ATMOS_WMO}" ]]; then mkdir -m 775 -p "${COM_ATMOS_WMO}"; fi
 
 export SENDDBN=${SENDDBN:-NO}
 export DBNROOT=${DBNROOT:-${UTILROOT}/fakedbn}
 
-mkdir -m 775 -p ${COMOUT} ${COMOUTwmo}
-
 export pgmout=OUTPUT.$$
 
-
 ########################################################
 # Execute the script.
-${SCRgfs}/exgfs_atmos_gempak_gif_ncdc_skew_t.sh
+"${SCRgfs}/exgfs_atmos_gempak_gif_ncdc_skew_t.sh"
 export err=$?; err_chk
 ########################################################
 
 ############################################
 # print exec I/O output
 ############################################
-if [ -e "${pgmout}" ] ; then
-  cat ${pgmout}
+if [[ -e "${pgmout}" ]] ; then
+  cat "${pgmout}"
 fi
 
 ###################################
 # Remove temp directories
 ###################################
-if [ "${KEEPDATA}" != "YES" ] ; then
-  rm -rf ${DATA}
+if [[ "${KEEPDATA}" != "YES" ]] ; then
+  rm -rf "${DATA}"
 fi
 
diff --git a/jobs/JGFS_ATMOS_GEMPAK_PGRB2_SPEC b/jobs/JGFS_ATMOS_GEMPAK_PGRB2_SPEC
index d2d4d81f93..2412731cab 100755
--- a/jobs/JGFS_ATMOS_GEMPAK_PGRB2_SPEC
+++ b/jobs/JGFS_ATMOS_GEMPAK_PGRB2_SPEC
@@ -20,14 +20,13 @@ export EXT=""
 ##############################################
 # Define COM directories
 ##############################################
-export COMIN="${COMIN:-$(compath.py "${envir}"/"${NET}"/"${gfs_ver}")/${RUN}.${PDY}/${cyc}/${COMPONENT}}"
-export COMOUT="${COMOUT:-$(compath.py -o "${NET}"/"${gfs_ver}"/"${NET}"."${PDY}")/${cyc}/${COMPONENT}/gempak}"
+YMD=${PDY} HH=${cyc} generate_com -rx COM_ATMOS_GOES
+GRID=0p25 YMD=${PDY} HH=${cyc} generate_com -rx "COM_ATMOS_GEMPAK_0p25:COM_ATMOS_GEMPAK_TMPL"
+if [[ ! -d "${COM_ATMOS_GEMPAK_0p25}" ]]; then mkdir -m 775 -p "${COM_ATMOS_GEMPAK_0p25}"; fi
 
 export SENDDBN="${SENDDBN:-NO}"
 export DBNROOT="${DBNROOT:-${UTILROOT}/fakedbn}"
 
-mkdir -m 775 -p "${COMOUT}"
-
 #################################################################
 # Execute the script for the regular grib
 #################################################################
@@ -38,10 +37,13 @@ cd "${DATA_SPECIAL}" || exit 1
 export DBN_ALERT_TYPE=GFS_GOESSIM_GEMPAK
 export RUN2=gfs_goessim
 export GRIB=goessimpgrb2.0p25.f
-export EXT=" "
+export EXT=""
 export fend=180
+if (( fend > FHMAX_GFS )); then
+  fend=${FHMAX_GFS}
+fi
 export finc=3
-export fstart=000
+export fstart=0
 
 echo "RUNS the Program"
 
@@ -61,8 +63,11 @@ export RUN2=gfs_goessim221
 export GRIB=goessimpgrb2f
 export EXT=".grd221"
 export fend=180
+if (( fend > FHMAX_GFS )); then
+  fend=${FHMAX_GFS}
+fi
 export finc=3
-export fstart=000
+export fstart=0
 
 echo "RUNS the Program"
 
diff --git a/jobs/JGFS_ATMOS_PGRB2_SPEC_NPOESS b/jobs/JGFS_ATMOS_PGRB2_SPEC_NPOESS
index 1c69eecbf1..fba33bb75c 100755
--- a/jobs/JGFS_ATMOS_PGRB2_SPEC_NPOESS
+++ b/jobs/JGFS_ATMOS_PGRB2_SPEC_NPOESS
@@ -21,7 +21,7 @@ export model=${model:-gfs}
 export SENDDBN=${SENDDBN:-NO}
 export DBNROOT=${DBNROOT:-${UTILROOT}/fakedbn}
 
-YMD=${PDY} HH=${cyc} generate_com -rx COM_ATMOS_GOES
+YMD=${PDY} HH=${cyc} generate_com -rx COM_ATMOS_MASTER COM_ATMOS_GOES
 GRID="0p50" YMD=${PDY} HH=${cyc} generate_com -rx COM_ATMOS_GRIB_0p50:COM_ATMOS_GRIB_GRID_TMPL
 
 mkdir -m 775 -p "${COM_ATMOS_GOES}"
diff --git a/jobs/rocoto/gempakpgrb2spec.sh b/jobs/rocoto/gempakgrb2spec.sh
similarity index 100%
rename from jobs/rocoto/gempakpgrb2spec.sh
rename to jobs/rocoto/gempakgrb2spec.sh
diff --git a/parm/config/gfs/config.base b/parm/config/gfs/config.base
index 24129c1cb1..f038dcb453 100644
--- a/parm/config/gfs/config.base
+++ b/parm/config/gfs/config.base
@@ -29,6 +29,17 @@ export PARMgfs="${HOMEgfs}/parm"
 export SCRgfs="${HOMEgfs}/scripts"
 export USHgfs="${HOMEgfs}/ush"
 
+export FIXam="${FIXgfs}/am"
+export FIXaer="${FIXgfs}/aer"
+export FIXcpl="${FIXgfs}/cpl"
+export FIXlut="${FIXgfs}/lut"
+export FIXorog="${FIXgfs}/orog"
+export FIXcice="${FIXgfs}/cice"
+export FIXmom="${FIXgfs}/mom6"
+export FIXreg2grb2="${FIXgfs}/reg2grb2"
+export FIXugwd="${FIXgfs}/ugwd"
+export FIXgdas="${FIXgfs}/gdas"
+
 ########################################################################
 
 # GLOBAL static environment parameters
@@ -38,6 +49,12 @@ export COMINsyn="@COMINsyn@"
 export DMPDIR="@DMPDIR@"
 export BASE_CPLIC="@BASE_CPLIC@"
 
+# Gempak from external models
+# Default locations are to dummy locations for testing
+export COMINecmwf=@COMINecmwf@
+export COMINnam=@COMINnam@
+export COMINukmet=@COMINukmet@
+
 # USER specific paths
 export HOMEDIR="@HOMEDIR@"
 export STMP="@STMP@"
@@ -77,6 +94,7 @@ export MODE="@MODE@" # cycled/forecast-only
 # CLEAR
 ####################################################
 # Build paths relative to $HOMEgfs
+export FIXgsi="${HOMEgfs}/fix/gsi"
 export HOMEpost="${HOMEgfs}"
 export HOMEobsproc="${BASE_GIT:-}/obsproc/v${obsproc_run_ver:-1.1.2}"
 
@@ -256,7 +274,7 @@ export gfs_cyc=@gfs_cyc@ # 0: no GFS cycle, 1: 00Z only, 2: 00Z and 12Z only, 4:
 # GFS output and frequency
 export FHMIN_GFS=0
 export FHMAX_GFS=@FHMAX_GFS@
-export FHOUT_GFS=3
+export FHOUT_GFS=3 # Must be 6 for S2S until #1629 is addressed; 3 for ops
 export FHMAX_HF_GFS=0
 export FHOUT_HF_GFS=1
 export FHOUT_OCNICE_GFS=6
@@ -265,7 +283,11 @@ if (( gfs_cyc != 0 )); then
 else
     export STEP_GFS="0"
 fi
-export ILPOST=1           # gempak output frequency up to F120
+# TODO: Change gempak to use standard out variables (#2348)
+export ILPOST=${FHOUT_HF_GFS}           # gempak output frequency up to F120
+if (( FHMAX_HF_GFS < 120 )); then
+    export ILPOST=${FHOUT_GFS}
+fi
 
 # GFS restart interval in hours
 export restart_interval_gfs=12
@@ -304,7 +326,7 @@ export imp_physics=8
 export DO_JEDIATMVAR="@DO_JEDIATMVAR@"
 export DO_JEDIATMENS="@DO_JEDIATMENS@"
 export DO_JEDIOCNVAR="@DO_JEDIOCNVAR@"
-export DO_JEDISNOWDA="@DO_JEDISNOWDA@"
+export DO_JEDILANDDA="@DO_JEDILANDDA@"
 export DO_MERGENSST="@DO_MERGENSST@"
 
 # Hybrid related
@@ -379,7 +401,7 @@ export netcdf_diag=".true."
 export binary_diag=".false."
 
 # Verification options
-export DO_METP="YES"         # Run METPLUS jobs - set METPLUS settings in config.metp
+export DO_METP="NO"          # Run METPLUS jobs - set METPLUS settings in config.metp; not supported with spack-stack
 export DO_FIT2OBS="YES"      # Run fit to observations package
 export DO_VRFY_OCEANDA="@DO_VRFY_OCEANDA@"  # Run SOCA Ocean and Seaice DA verification tasks
 
diff --git a/parm/config/gfs/config.cleanup b/parm/config/gfs/config.cleanup
index 1908c91bb5..44e2690f65 100644
--- a/parm/config/gfs/config.cleanup
+++ b/parm/config/gfs/config.cleanup
@@ -12,6 +12,11 @@ export CLEANUP_COM="YES"   # NO=retain ROTDIR.  YES default in cleanup.sh
 export RMOLDSTD=144
 export RMOLDEND=24
 
+if [[ "${DO_GEMPAK}" == "YES" ]]; then
+    export RMOLDSTD=346
+    export RMOLDEND=222
+fi
+
 # Specify the list of files to exclude from the first stage of cleanup
 # Because arrays cannot be exported, list is a single string of comma-
 # separated values. This string is split to form an array at runtime.
@@ -22,4 +27,4 @@ case ${RUN} in
 esac
 export exclude_string
 
-echo "END: config.cleanup"
\ No newline at end of file
+echo "END: config.cleanup"
diff --git a/scripts/exgdas_atmos_gempak_gif_ncdc.sh b/scripts/exgdas_atmos_gempak_gif_ncdc.sh
index 1fb9c94ccf..2dc460cc55 100755
--- a/scripts/exgdas_atmos_gempak_gif_ncdc.sh
+++ b/scripts/exgdas_atmos_gempak_gif_ncdc.sh
@@ -6,55 +6,34 @@
 # in the future, we should move it above somewhere else.
 ##############################################################
 
-source "$HOMEgfs/ush/preamble.sh"
-
-cd $DATA
-
-export NTS=${HOMEgfs}/gempak/ush/restore
-
-if [ $MODEL = GDAS ]
-then
-    case $MODEL in
-      GDAS) fcsthrs="000";;
-    esac
-
-    export fhr
-    for fhr in $fcsthrs
-    do
-        icnt=1
-        maxtries=180
-        while [ $icnt -lt 1000 ]
-        do
-          if [ -r ${COMIN}/${RUN}_${PDY}${cyc}f${fhr} ] ; then
-            break
-          else
-            sleep 20
-            let "icnt=icnt+1"
-          fi
-          if [ $icnt -ge $maxtries ]
-          then
-            msg="ABORTING after 1 hour of waiting for F$fhr to end."
-            err_exit $msg
-          fi
-        done
-
-       cp ${COMIN}/${RUN}_${PDY}${cyc}f${fhr} gem_grids${fhr}.gem
-       export err=$?
-       if [[ $err -ne 0 ]] ; then
-          echo " File: ${COMIN}/${RUN}_${PDY}${cyc}f${fhr} does not exist."
-          exit $err
-       fi
-     
-       if [ $cyc -eq 00 -o $cyc -eq 12 ]
-       then
-          ${HOMEgfs}/gempak/ush/gempak_${RUN}_f${fhr}_gif.sh
-          if [ ! -f ${HOMEgfs}/gempak/ush/gempak_${RUN}_f${fhr}_gif.sh ] ; then
-             echo "WARNING: ${HOMEgfs}/gempak/ush/gempak_${RUN}_f${fhr}_gif.sh FILE is missing"
-          fi
-       fi
+source "${HOMEgfs}/ush/preamble.sh"
 
+cd "${DATA}" || exit 2
+
+export NTS="${HOMEgfs}/gempak/ush/restore"
+
+if [[ ${MODEL} == GDAS ]]; then
+    fcsthrs="000"
+
+    sleep_interval=20
+    max_tries=180
+    export fhr3
+    for fhr3 in ${fcsthrs}; do
+        gempak_file="${COM_ATMOS_GEMPAK_1p00}/${RUN}_1p00_${PDY}${cyc}f${fhr3}"
+        if ! wait_for_file "${gempak_file}" "${sleep_interval}" "${max_tries}" ; then
+            echo "FATAL ERROR: ${gempak_file} not found after ${max_tries} iterations"
+            exit 10
+        fi
+
+        cp "${gempak_file}" "gem_grids${fhr3}.gem"
+        export err=$?
+        if (( err != 0 )) ; then
+            echo "FATAL: Could not copy ${gempak_file}"
+            exit "${err}"
+        fi
+
+        "${HOMEgfs}/gempak/ush/gempak_${RUN}_f${fhr3}_gif.sh"
     done
 fi
 
-
 exit
diff --git a/scripts/exgdas_atmos_nawips.sh b/scripts/exgdas_atmos_nawips.sh
index 64a2b21e39..ea350239c1 100755
--- a/scripts/exgdas_atmos_nawips.sh
+++ b/scripts/exgdas_atmos_nawips.sh
@@ -12,51 +12,22 @@
 
 source "${USHgfs}/preamble.sh" "${2}"
 
-cd $DATA
-RUN2=$1
+cd "${DATA}" || exit 1
+grid=$1
 fend=$2
 DBN_ALERT_TYPE=$3
 destination=$4
 
-DATA_RUN=$DATA/$RUN2
-mkdir -p $DATA_RUN
-cd $DATA_RUN
-
-cp ${HOMEgfs}/gempak/fix/g2varswmo2.tbl g2varswmo2.tbl
-export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File g2varswmo2.tbl file is missing."
-   exit $err
-fi
-cp ${HOMEgfs}/gempak/fix/g2vcrdwmo2.tbl g2vcrdwmo2.tbl
-export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File g2vcrdwmo2.tbl file is missing."
-   exit $err
-fi
-
-cp ${HOMEgfs}/gempak/fix/g2varsncep1.tbl g2varsncep1.tbl
-export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File g2varsncep1.tbl file is missing."
-   exit $err
-fi
-
-cp ${HOMEgfs}/gempak/fix/g2vcrdncep1.tbl g2vcrdncep1.tbl
-export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File g2vcrdncep1.tbl file is missing."
-   exit $err
-fi
-
-#
-NAGRIB=$GEMEXE/nagrib2_nc
-export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File $GEMEXE/nagrib2_nc is missing."
-   echo " WARNING: module GEMPAK was not loaded"
-   exit $err
-fi
+DATA_RUN="${DATA}/${grid}"
+mkdir -p "${DATA_RUN}"
+cd "${DATA_RUN}" || exit 1
+
+for table in g2varswmo2.tbl g2vcrdwmo2.tbl g2varsncep1.tbl g2vcrdncep1.tbl; do
+  cp "${HOMEgfs}/gempak/fix/${table}" "${table}" || \
+    ( echo "FATAL ERROR: ${table} is missing" && exit 2 )
+done
+
+NAGRIB="${GEMEXE}/nagrib2"
 
 cpyfil=gds
 garea=dset
@@ -68,81 +39,55 @@ proj=
 output=T
 pdsext=no
 
-maxtries=180
-fhcnt=$fstart
-while [ $fhcnt -le $fend ] ; do
-  fhr=$(printf "%03d" $fhcnt)
-  fhcnt3=$(expr $fhr % 3)
+sleep_interval=10
+max_tries=180
 
-  fhr3=$(printf "%03d" $fhcnt)
+fhr=$(( 10#${fstart} ))
+while (( fhr <= 10#${fend} )); do
+  fhr3=$(printf "%03d" "${fhr}")
 
-  GEMGRD=${RUN2}_${PDY}${cyc}f${fhr3}
+  source_dirvar="COM_ATMOS_GRIB_${grid}"
+  GEMGRD="${RUN}_${grid}_${PDY}${cyc}f${fhr3}"
+  export GRIBIN="${!source_dirvar}/${model}.${cycle}.pgrb2.${grid}.f${fhr3}"
+  GRIBIN_chk="${GRIBIN}.idx"
 
-  if [[ ${RUN2} = "gdas_0p25" ]]; then
-    export GRIBIN=${COM_ATMOS_GRIB_0p25}/${model}.${cycle}.pgrb2.0p25.f${fhr}
-    if [[ ! -f ${GRIBIN} ]] ; then
-       echo "WARNING: ${GRIBIN} FILE is missing"
-    fi
-    GRIBIN_chk=${COM_ATMOS_GRIB_0p25}${model}.${cycle}.pgrb2.0p25.f${fhr}.idx
-  else
-    export GRIBIN=${COM_ATMOS_GRIB_1p00}/${model}.${cycle}.pgrb2.1p00.f${fhr}
-    if [[ ! -f ${GRIBIN} ]] ; then
-       echo "WARNING: ${GRIBIN} FILE is missing"
-    fi
-    GRIBIN_chk=${COM_ATMOS_GRIB_1p00}/${model}.${cycle}.pgrb2.1p00.f${fhr}.idx
+  if ! wait_for_file "${GRIBIN_chk}" "${sleep_interval}" "${max_tries}"; then
+    echo "FATAL ERROR: after 1 hour of waiting for ${GRIBIN_chk} file at F${fhr3} to end."
+    export err=7 ; err_chk
+    exit "${err}"
   fi
 
-  icnt=1
-  while [ $icnt -lt 1000 ]
-  do
-    if [ -r $GRIBIN_chk ] ; then
-      sleep 5
-      break
-    else
-      echo "The process is waiting ... ${GRIBIN_chk} file to proceed."
-      sleep 20
-      let "icnt=icnt+1"
-    fi
-    if [ $icnt -ge $maxtries ]
-    then
-      echo "ABORTING: after 1 hour of waiting for ${GRIBIN_chk} file at F$fhr to end."
-      export err=7 ; err_chk
-      exit $err
-    fi
-  done
-
-  cp $GRIBIN grib$fhr
-
-  export pgm="nagrib2 F$fhr"
+  cp "${GRIBIN}" "grib${fhr3}"
+
+  export pgm="nagrib2 F${fhr3}"
   startmsg
 
-   $NAGRIB << EOF
-   GBFILE   = grib$fhr
+   ${NAGRIB} << EOF
+   GBFILE   = grib${fhr3}
    INDXFL   = 
-   GDOUTF   = $GEMGRD
-   PROJ     = $proj
-   GRDAREA  = $grdarea
-   KXKY     = $kxky
-   MAXGRD   = $maxgrd
-   CPYFIL   = $cpyfil
-   GAREA    = $garea
-   OUTPUT   = $output
-   GBTBLS   = $gbtbls
+   GDOUTF   = ${GEMGRD}
+   PROJ     = ${proj}
+   GRDAREA  = ${grdarea}
+   KXKY     = ${kxky}
+   MAXGRD   = ${maxgrd}
+   CPYFIL   = ${cpyfil}
+   GAREA    = ${garea}
+   OUTPUT   = ${output}
+   GBTBLS   = ${gbtbls}
    GBDIAG   = 
-   PDSEXT   = $pdsext
+   PDSEXT   = ${pdsext}
   l
   r
 EOF
-  export err=$?;err_chk
+  export err=$?; err_chk
 
-  cp "${GEMGRD}" "${destination}/.${GEMGRD}"
+  cp "${GEMGRD}" "${destination}/${GEMGRD}"
   export err=$?
-  if [[ ${err} -ne 0 ]] ; then
-      echo " File ${GEMGRD} does not exist."
+  if (( err != 0 )) ; then
+      echo "FATAL ERROR: ${GEMGRD} does not exist."
       exit "${err}"
   fi
 
-  mv "${destination}/.${GEMGRD}" "${destination}/${GEMGRD}"
   if [[ ${SENDDBN} = "YES" ]] ; then
       "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
 				 "${destination}/${GEMGRD}"
@@ -150,14 +95,14 @@ EOF
       echo "##### DBN_ALERT_TYPE is: ${DBN_ALERT_TYPE} #####"
   fi
 
-  if [ $fhcnt -ge 240 ] ; then
-    let fhcnt=fhcnt+12
+  if (( fhr >= 240 )) ; then
+    fhr=$((fhr+12))
   else
-    let fhcnt=fhcnt+finc
+    fhr=$((fhr+finc))
   fi
 done
 
-$GEMEXE/gpend
+"${GEMEXE}/gpend"
 #####################################################################
 
 
diff --git a/scripts/exgfs_atmos_gempak_gif_ncdc_skew_t.sh b/scripts/exgfs_atmos_gempak_gif_ncdc_skew_t.sh
index 89de036fcb..f7e981c6b6 100755
--- a/scripts/exgfs_atmos_gempak_gif_ncdc_skew_t.sh
+++ b/scripts/exgfs_atmos_gempak_gif_ncdc_skew_t.sh
@@ -7,107 +7,79 @@
 # in the future, we should move it above somewhere else.
 ##############################################################
 
-source "$HOMEgfs/ush/preamble.sh"
+source "${HOMEgfs}/ush/preamble.sh"
 
-cd $DATA
+cd "${DATA}" || exit 1
 
-export NTS=${HOMEgfs}/gempak/ush/restore
+export NTS="${HOMEgfs}/gempak/ush/restore"
 
-if [ $MODEL = GDAS -o $MODEL = GFS ]
-then
-    case $MODEL in
-      GDAS) fcsthrs="00";;
-      GFS)  fcsthrs="00 12 24 36 48";;
+if [[ "${MODEL}" == GDAS ]] || [[ "${MODEL}" == GFS ]]; then
+    case "${MODEL}" in
+        GDAS) fcsthrs="0";;
+        GFS)  fcsthrs="0 12 24 36 48";;
+        *)
+            echo "FATAL ERROR: Unrecognized model type ${MODEL}"
+            exit 5
+            ;;
     esac
 
-    export fhr
-    for fhr in $fcsthrs
-    do
-        icnt=1
-        maxtries=180
-        export GRIBFILE=${COMIN}/${RUN}_${PDY}${cyc}f0${fhr}
-        while [ $icnt -lt 1000 ]
-        do
-          if [ -r ${COMIN}/${RUN}_${PDY}${cyc}f0${fhr} ] ; then
-            sleep 5
-            break
-          else
-            echo "The process is waiting ... ${GRIBFILE} file to proceed."
-            sleep 20
-            let "icnt=icnt+1"
-          fi
-          if [ $icnt -ge $maxtries ]
-          then
-            echo "ABORTING: after 1 hour of waiting for ${GRIBFILE} file at F$fhr to end."
-            export err=7 ; err_chk
-            exit $err
-          fi
-        done
-
-       cp ${COMIN}/${RUN}_${PDY}${cyc}f0${fhr} gem_grids${fhr}.gem
-
-#       if [ $cyc -eq 00 -o $cyc -eq 12 ]
-       #then
-          ${HOMEgfs}/gempak/ush/gempak_${RUN}_f${fhr}_gif.sh
-       #fi
-
+    sleep_interval=20
+    max_tries=180
+    for fhr in ${fcsthrs}; do
+        fhr3=$(printf %03d "${fhr}")
+        export GRIBFILE=${COM_ATMOS_GEMPAK_1p00}/${RUN}_1p00_${PDY}${cyc}f${fhr3}
+        if ! wait_for_file "${GRIBFILE}" "${sleep_interval}" "${max_tries}" ; then
+            echo "FATAL ERROR: ${GRIBFILE} not found after ${max_tries} iterations"
+            exit 10
+        fi
+
+        cp "${GRIBFILE}" "gem_grids${fhr3}.gem"
+        export fhr3
+        if (( fhr == 0 )); then
+            "${HOMEgfs}/gempak/ush/gempak_${RUN}_f000_gif.sh"
+        else
+            "${HOMEgfs}/gempak/ush/gempak_${RUN}_fhhh_gif.sh"
+        fi
     done
 fi
 
-####################################################################################
-# echo "-----------------------------------------------------------------------------"
-# echo "GFS MAG postprocessing script exmag_sigman_skew_k_gfs_gif_ncdc_skew_t.sh "
-# echo "-----------------------------------------------------------------------------"
-# echo "History: Mar 2012 added to processing for enhanced MAG skew_t"
-# echo "2012-03-11 Mabe -- reworked script to add significant level "
-# echo "  data to existing mandatory level data in a new file"
-# echo "2013-04-24 Mabe -- Reworked to remove unneeded output with "
-# echo "  conversion to WCOSS"
-# Add ms to filename to make it different since it has both mandatory
-# and significant level data      $COMOUT/${RUN}.${cycle}.msupperair
-#                             $COMOUT/${RUN}.${cycle}.msupperairtble
-#####################################################################################
-
-cd $DATA
-
-export RSHPDY=$(echo $PDY | cut -c5-)$(echo $PDY | cut -c3-4)
-
-cp $HOMEgfs/gempak/dictionaries/sonde.land.tbl .
-cp $HOMEgfs/gempak/dictionaries/metar.tbl .
+cd "${DATA}" || exit 1
+
+export RSHPDY="${PDY:4:}${PDY:2:2}"
+
+cp "${HOMEgfs}/gempak/dictionaries/sonde.land.tbl" sonde.land.tbl
+cp "${HOMEgfs}/gempak/dictionaries/metar.tbl" metar.tbl
 sort -k 2n,2 metar.tbl > metar_stnm.tbl
-cp $COMINobsproc/${model}.$cycle.adpupa.tm00.bufr_d fort.40
-export err=$?
-if [[ $err -ne 0 ]] ; then
-   echo " File ${model}.$cycle.adpupa.tm00.bufr_d does not exist."
-   exit $err
+cp "${COM_OBS}/${model}.${cycle}.adpupa.tm00.bufr_d" fort.40
+err=$?
+if (( err != 0 )) ; then
+   echo "FATAL ERROR: File ${model}.${cycle}.adpupa.tm00.bufr_d could not be copied (does it exist?)."
+   exit "${err}"
 fi
-# $RDBFMSUA  >> $pgmout 2> errfile
-${UTILgfs}/exec/rdbfmsua >> $pgmout 2> errfile
 
+"${HOMEgfs}/exec/rdbfmsua.x" >> "${pgmout}" 2> errfile
 err=$?;export err ;err_chk
 
+# shellcheck disable=SC2012,SC2155
 export filesize=$( ls -l rdbfmsua.out | awk '{print $5}' )
 
 ################################################################
 #   only run script if rdbfmsua.out contained upper air data.
 ################################################################
 
-if [ $filesize -gt 40 ]
-then
-
-    cp rdbfmsua.out $COMOUT/${RUN}.${cycle}.msupperair
-    cp sonde.idsms.tbl $COMOUT/${RUN}.${cycle}.msupperairtble
-    if [ $SENDDBN = "YES" ]; then
-        $DBNROOT/bin/dbn_alert DATA MSUPPER_AIR $job $COMOUT/${RUN}.${cycle}.msupperair
-        $DBNROOT/bin/dbn_alert DATA MSUPPER_AIRTBL $job $COMOUT/${RUN}.${cycle}.msupperairtble
+if (( filesize > 40 )); then
+    cp rdbfmsua.out "${COM_ATMOS_GEMPAK_UPPER_AIR}/${RUN}.${cycle}.msupperair"
+    cp sonde.idsms.tbl "${COM_ATMOS_GEMPAK_UPPER_AIR}/${RUN}.${cycle}.msupperairtble"
+    if [[ ${SENDDBN} = "YES" ]]; then
+        "${DBNROOT}/bin/dbn_alert" DATA MSUPPER_AIR "${job}" "${COM_ATMOS_GEMPAK_UPPER_AIR}/${RUN}.${cycle}.msupperair"
+        "${DBNROOT}/bin/dbn_alert" DATA MSUPPER_AIRTBL "${job}" "${COM_ATMOS_GEMPAK_UPPER_AIR}/${RUN}.${cycle}.msupperairtble"
     fi
-
 fi
 
 ############################################################
 
-if [ -e "$pgmout" ] ; then
-   cat $pgmout
+if [[ -e "${pgmout}" ]] ; then
+   cat "${pgmout}"
 fi
 
 
diff --git a/scripts/exgfs_atmos_gempak_meta.sh b/scripts/exgfs_atmos_gempak_meta.sh
index ad5ef823fd..6ae8c77cfb 100755
--- a/scripts/exgfs_atmos_gempak_meta.sh
+++ b/scripts/exgfs_atmos_gempak_meta.sh
@@ -1,138 +1,91 @@
 #! /usr/bin/env bash
 
-source "$HOMEgfs/ush/preamble.sh"
+source "${HOMEgfs}/ush/preamble.sh"
 
-cd $DATA
-
-GEMGRD1=${RUN}_${PDY}${cyc}f
-#find out what fcst hr to start processing
-fhr=$fhend
+GEMGRD1="${RUN}_1p00_${PDY}${cyc}f"
 
 export numproc=23
 
-while [ $fhr -ge $fhbeg ] ; do
-  fhr=$(printf "%03d" $fhr)
-  ls -l $COMIN/$GEMGRD1${fhr}
-  err1=$?
-  if [ $err1 -eq 0 -o $fhr -eq $fhbeg ] ; then
+# Find the last hour available
+for (( fhr = fhend; fhr >= fhbeg; fhr = fhr - fhinc )) ; do
+  fhr3=$(printf "%03d" "${fhr}")
+  if [[ -r "${COM_ATMOS_GEMPAK_1p00}/${GEMGRD1}${fhr3}" ]]; then
     break
   fi
-  fhr=$(expr $fhr - $fhinc)
 done
 
-maxtries=180
+sleep_interval=20
+max_tries=180
 first_time=0
 do_all=0
 
 #loop through and process needed forecast hours
-while [ $fhr -le $fhend ]
-do
-   #
-   # First check to see if this is a rerun.  If so make all Meta files
-   if [ $fhr -gt 126 -a $first_time -eq 0 ] ; then
-     do_all=1
-   fi
-   first_time=1
-
-   if [ $fhr -eq 120 ] ; then
-      fhr=126
-   fi
-   icnt=1
-
-   while [ $icnt -lt 1000 ]
-   do
-      ls -l $COMIN/$GEMGRD1${fhr}
-      err1=$?
-      if [ $err1 -eq 0 ] ; then
-         break
-      else
-         sleep 20
-         let "icnt= icnt + 1"
-      fi
-      if [ $icnt -ge $maxtries ]
-      then
-         echo "ABORTING after 1 hour of waiting for gempak grid F$fhr to end."
-         export err=7 ; err_chk
-         exit $err
-      fi
-   done
-
-   export fhr
-
-   ########################################################
-   # Create a script to be poe'd
-   #
-   #  Note:  The number of scripts to be run MUST match the number
-   #  of total_tasks set in the ecf script, or the job will fail.
-   #
-#   if [ -f $DATA/poescript ]; then
-      rm $DATA/poescript
-#   fi
-
-   fhr=$(printf "%02d" $fhr)
-
-   if [ $do_all -eq 1 ] ; then
-     do_all=0
-     awk '{print $1}' ${HOMEgfs}/gempak/fix/gfs_meta > $DATA/tmpscript
-   else
-     #
-     #     Do not try to grep out 12, it will grab the 12 from 126.
-     #     This will work as long as we don't need 12 fhr metafiles
-     #
-     if [ $fhr -ne 12 ] ; then
-       grep $fhr ${HOMEgfs}/gempak/fix/gfs_meta |awk -F" [0-9]" '{print $1}' > $DATA/tmpscript
-     fi
-   fi
-
-   for script in $(cat $DATA/tmpscript)
-   do
-     eval "echo $script" >> $DATA/poescript
-   done
-
-   num=$(cat $DATA/poescript |wc -l)
-
-   while [ $num -lt $numproc ] ; do
-      echo "hostname" >>poescript
-      num=$(expr $num + 1)
-   done
-
-   chmod 775 $DATA/poescript
-   cat $DATA/poescript
-   export MP_PGMMODEL=mpmd
-   export MP_CMDFILE=$DATA/poescript
-
-#  If this is the final fcst hour, alert the
-#  file to all centers.
-#
-   if [ 10#$fhr -ge $fhend ] ; then
-      export DBN_ALERT_TYPE=GFS_METAFILE_LAST
-   fi
-
-   export fend=$fhr
-
-  sleep 20
-  ntasks=${NTASKS_META:-$(cat $DATA/poescript | wc -l)}
-  ptile=${PTILE_META:-4}
-  threads=${NTHREADS_META:-1}
-  export OMP_NUM_THREADS=$threads
-  APRUN="mpiexec -l -n $ntasks -ppn $ntasks --cpu-bind verbose,core cfp"
-
-  APRUN_METACFP=${APRUN_METACFP:-$APRUN}
-  APRUNCFP=$(eval echo $APRUN_METACFP)
-
-  $APRUNCFP $DATA/poescript
-  export err=$?; err_chk
+while (( fhr <= fhend )); do
+  #
+  # First check to see if this is a rerun.  If so make all Meta files
+  if (( fhr > 126 )) && (( first_time == 0 )); then
+    do_all=1
+  fi
+  first_time=1
 
-      fhr=$(printf "%03d" $fhr)
-      if [ $fhr -eq 126 ] ; then
-        let fhr=fhr+6
-      else
-	let fhr=fhr+fhinc
-      fi
-done
+  if (( fhr == 120 )); then
+    fhr=126
+  fi
 
-#####################################################################
+  gempak_file="${COM_ATMOS_GEMPAK_1p00}/${GEMGRD1}${fhr3}"
+  if ! wait_for_file "${gempak_file}" "${sleep_interval}" "${max_tries}"; then
+    echo "FATAL ERROR: gempak grid file ${gempak_file} not available after maximum wait time."
+    exit 7
+  fi
+
+  export fhr
 
+  ########################################################
+  # Create a script to be poe'd
+  #
+  #  Note:  The number of scripts to be run MUST match the number
+  #  of total_tasks set in the ecf script, or the job will fail.
+  #
+  if [[ -f poescript ]]; then
+    rm poescript
+  fi
+
+  fhr3=$(printf "%03d" "${fhr}")
+
+  if (( do_all == 1 )) ; then
+    do_all=0
+    # shellcheck disable=SC2312
+    awk '{print $1}' "${HOMEgfs}/gempak/fix/gfs_meta" | envsubst > "poescript"
+  else
+    #
+    #    Do not try to grep out 12, it will grab the 12 from 126.
+    #    This will work as long as we don't need 12 fhr metafiles
+    #
+    if (( fhr != 12 )) ; then
+      # shellcheck disable=SC2312
+      grep "${fhr}" "${HOMEgfs}/gempak/fix/gfs_meta" | awk -F" [0-9]" '{print $1}' | envsubst > "poescript"
+    fi
+  fi
+
+  #  If this is the final fcst hour, alert the
+  #  file to all centers.
+  #
+  if (( fhr >= fhend )) ; then
+    export DBN_ALERT_TYPE=GFS_METAFILE_LAST
+  fi
+
+  export fend=${fhr}
+
+  cat poescript
+
+  "${HOMEgfs}/ush/run_mpmd.sh" poescript
+  export err=$?; err_chk
+
+  if (( fhr == 126 )) ; then
+    fhr=$((fhr + 6))
+  else
+    fhr=$((fhr + fhinc))
+  fi
+done
 
 exit
-#
diff --git a/scripts/exgfs_atmos_goes_nawips.sh b/scripts/exgfs_atmos_goes_nawips.sh
index ed82082e8a..2c725a6402 100755
--- a/scripts/exgfs_atmos_goes_nawips.sh
+++ b/scripts/exgfs_atmos_goes_nawips.sh
@@ -13,29 +13,29 @@
 
 source "${USHgfs}/preamble.sh"
 
-cd $DATA
+cd "${DATA}" || exit 2
 
-cp ${HOMEgfs}/gempak/fix/g2varswmo2.tbl g2varswmo2.tbl
-cp ${HOMEgfs}/gempak/fix/g2vcrdwmo2.tbl g2vcrdwmo2.tbl
-cp ${HOMEgfs}/gempak/fix/g2varsncep1.tbl g2varsncep1.tbl
-cp ${HOMEgfs}/gempak/fix/g2vcrdncep1.tbl g2vcrdncep1.tbl
+for table in g2varswmo2.tbl g2vcrdwmo2.tbl g2varsncep1.tbl g2vcrdncep1.tbl; do
+  cp "${HOMEgfs}/gempak/fix/${table}" "${table}" || \
+    ( echo "FATAL ERROR: ${table} is missing" && exit 2 )
+done
 
 #
-# NAGRIB_TABLE=${HOMEgfs}/gempak/fix/nagrib.tbl
-NAGRIB=$GEMEXE/nagrib2
-#
-
-entry=$(grep "^$RUN2 " $NAGRIB_TABLE | awk 'index($1,"#") != 1 {print $0}')
-
-if [ "$entry" != "" ] ; then
-  cpyfil=$(echo $entry  | awk 'BEGIN {FS="|"} {print $2}')
-  garea=$(echo $entry   | awk 'BEGIN {FS="|"} {print $3}')
-  gbtbls=$(echo $entry  | awk 'BEGIN {FS="|"} {print $4}')
-  maxgrd=$(echo $entry  | awk 'BEGIN {FS="|"} {print $5}')
-  kxky=$(echo $entry    | awk 'BEGIN {FS="|"} {print $6}')
-  grdarea=$(echo $entry | awk 'BEGIN {FS="|"} {print $7}')
-  proj=$(echo $entry    | awk 'BEGIN {FS="|"} {print $8}')
-  output=$(echo $entry  | awk 'BEGIN {FS="|"} {print $9}')
+NAGRIB_TABLE="${HOMEgfs}/gempak/fix/nagrib.tbl"
+NAGRIB="${GEMEXE}/nagrib2"
+
+# shellcheck disable=SC2312
+entry=$(grep "^${RUN2} " "${NAGRIB_TABLE}" | awk 'index($1,"#") != 1 {print $0}')
+
+if [[ "${entry}" != "" ]] ; then
+  cpyfil=$(echo "${entry}"  | awk 'BEGIN {FS="|"} {print $2}')
+  garea=$(echo "${entry}"   | awk 'BEGIN {FS="|"} {print $3}')
+  gbtbls=$(echo "${entry}"  | awk 'BEGIN {FS="|"} {print $4}')
+  maxgrd=$(echo "${entry}"  | awk 'BEGIN {FS="|"} {print $5}')
+  kxky=$(echo "${entry}"    | awk 'BEGIN {FS="|"} {print $6}')
+  grdarea=$(echo "${entry}" | awk 'BEGIN {FS="|"} {print $7}')
+  proj=$(echo "${entry}"    | awk 'BEGIN {FS="|"} {print $8}')
+  output=$(echo "${entry}"  | awk 'BEGIN {FS="|"} {print $9}')
 else
   cpyfil=gds
   garea=dset
@@ -48,71 +48,55 @@ else
 fi  
 pdsext=no
 
-maxtries=180
-fhcnt=$fstart
-while [ $fhcnt -le $fend ] ; do
-  fhr=$(printf "%03d" $fhcnt)
-  fhcnt3=$(expr $fhr % 3)
-
-  fhr3=$(printf "03d" $fhcnt)
-  GRIBIN=$COMIN/${model}.${cycle}.${GRIB}${fhr}${EXT}
-  GEMGRD=${RUN2}_${PDY}${cyc}f${fhr3}
-
-  GRIBIN_chk=$GRIBIN
-
-  icnt=1
-  while [ $icnt -lt 1000 ]
-  do
-    if [ -r $GRIBIN_chk ] ; then
-      break
-    else
-      sleep 20
-      let "icnt=icnt+1"
-    fi
-    if [ $icnt -ge $maxtries ]
-    then
-      echo "ABORTING after 1 hour of waiting for F$fhr to end."
-      export err=7 ; err_chk
-      exit $err
-    fi
-  done
-
-  cp $GRIBIN grib$fhr
-
-  export pgm="nagrib_nc F$fhr"
-  startmsg
-
-   $NAGRIB << EOF
-   GBFILE   = grib$fhr
+sleep_interval=20
+max_tries=180
+fhr=${fstart}
+for (( fhr=fstart; fhr <= fend; fhr=fhr+finc )); do
+  fhr3=$(printf "%03d" "${fhr}")
+  GRIBIN="${COM_ATMOS_GOES}/${model}.${cycle}.${GRIB}${fhr3}${EXT}"
+  GEMGRD="${RUN2}_${PDY}${cyc}f${fhr3}"
+
+  GRIBIN_chk="${GRIBIN}"
+
+  if ! wait_for_file "${GRIBIN_chk}" "${sleep_interval}" "${max_tries}"; then
+    echo "FATAL ERROR: after 1 hour of waiting for ${GRIBIN_chk} file at F${fhr3} to end."
+    export err=7 ; err_chk
+    exit "${err}"
+  fi
+
+  cp "${GRIBIN}" "grib${fhr3}"
+
+  export pgm="nagrib_nc F${fhr3}"
+
+   ${NAGRIB} << EOF
+   GBFILE   = grib${fhr3}
    INDXFL   = 
-   GDOUTF   = $GEMGRD
-   PROJ     = $proj
-   GRDAREA  = $grdarea
-   KXKY     = $kxky
-   MAXGRD   = $maxgrd
-   CPYFIL   = $cpyfil
-   GAREA    = $garea
-   OUTPUT   = $output
-   GBTBLS   = $gbtbls
+   GDOUTF   = ${GEMGRD}
+   PROJ     = ${proj}
+   GRDAREA  = ${grdarea}
+   KXKY     = ${kxky}
+   MAXGRD   = ${maxgrd}
+   CPYFIL   = ${cpyfil}
+   GAREA    = ${garea}
+   OUTPUT   = ${output}
+   GBTBLS   = ${gbtbls}
    GBDIAG   = 
-   PDSEXT   = $pdsext
+   PDSEXT   = ${pdsext}
   l
   r
 EOF
   export err=$?;err_chk
 
-  $GEMEXE/gpend
+  "${GEMEXE}/gpend"
 
-  cp $GEMGRD $COMOUT/.$GEMGRD
-  mv $COMOUT/.$GEMGRD $COMOUT/$GEMGRD
-  if [ $SENDDBN = "YES" ] ; then
-      $DBNROOT/bin/dbn_alert MODEL ${DBN_ALERT_TYPE} $job \
-			     $COMOUT/$GEMGRD
+  cpfs "${GEMGRD}" "${COM_ATMOS_GEMPAK_0p25}/${GEMGRD}"
+  if [[ ${SENDDBN} == "YES" ]] ; then
+      "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
+			     "${COM_ATMOS_GEMPAK_0p25}/${GEMGRD}"
   else
       echo "##### DBN_ALERT_TYPE is: ${DBN_ALERT_TYPE} #####"
   fi
 
-  let fhcnt=fhcnt+finc
 done
 
 #####################################################################
diff --git a/scripts/exgfs_atmos_grib2_special_npoess.sh b/scripts/exgfs_atmos_grib2_special_npoess.sh
index 1b01aed24d..3877b50b77 100755
--- a/scripts/exgfs_atmos_grib2_special_npoess.sh
+++ b/scripts/exgfs_atmos_grib2_special_npoess.sh
@@ -9,7 +9,7 @@
 
 source "${USHgfs}/preamble.sh"
 
-cd $DATA
+cd "${DATA}" || exit 2
 
 ############################################################
 #  Define Variables:
@@ -80,17 +80,17 @@ fi
 ##############################################################################
 # Specify Forecast Hour Range F000 - F024 for GFS_NPOESS_PGRB2_0P5DEG
 ##############################################################################
-export SHOUR=000
-export FHOUR=024
-export FHINC=003
-if [[ "${FHOUR}" -gt "${FHMAX_GFS}" ]]; then
+export SHOUR=0
+export FHOUR=24
+export FHINC=3
+if (( FHOUR > FHMAX_GFS )); then
    export FHOUR="${FHMAX_GFS}"
 fi
 
 ############################################################
 # Loop Through the Post Forecast Files 
 ############################################################
-for (( fhr=$((10#${SHOUR})); fhr <= $((10#${FHOUR})); fhr = fhr + FHINC )); do
+for (( fhr=SHOUR; fhr <= FHOUR; fhr = fhr + FHINC )); do
 
    fhr3=$(printf "%03d" "${fhr}")
 
@@ -99,34 +99,22 @@ for (( fhr=$((10#${SHOUR})); fhr <= $((10#${FHOUR})); fhr = fhr + FHINC )); do
    # existence of the restart files
    ###############################
    export pgm="postcheck"
-   ic=1
-   while (( ic <= SLEEP_LOOP_MAX )); do
-      if [[ -f "${COM_ATMOS_GRIB_0p50}/gfs.t${cyc}z.pgrb2b.0p50.f${fhr3}.idx" ]]; then
-         break
-      else
-         ic=$((ic + 1))
-         sleep "${SLEEP_INT}"
-      fi
-      ###############################
-      # If we reach this point assume
-      # fcst job never reached restart
-      # period and error exit
-      ###############################
-      if (( ic == SLEEP_LOOP_MAX )); then
-         echo "FATAL ERROR: 0p50 grib file not available after max sleep time"
-         export err=9
-         err_chk || exit "${err}"
-      fi
-   done
+   grib_file="${COM_ATMOS_GRIB_0p50}/gfs.t${cyc}z.pgrb2b.0p50.f${fhr3}.idx"
+   if ! wait_for_file "${grib_file}" "${SLEEP_INT}" "${SLEEP_LOOP_MAX}"; then
+      echo "FATAL ERROR: 0p50 grib file not available after max sleep time"
+      export err=9
+      err_chk || exit "${err}"
+   fi
 
    ######################################################################
    # Process Global NPOESS 0.50 GFS GRID PRODUCTS IN GRIB2 F000 - F024  #
    ######################################################################
-   paramlist=${PARMgfs}/product/global_npoess_paramlist_g2
+   paramlist="${PARMgfs}/product/global_npoess_paramlist_g2"
    cp "${COM_ATMOS_GRIB_0p50}/gfs.t${cyc}z.pgrb2.0p50.f${fhr3}" tmpfile2
    cp "${COM_ATMOS_GRIB_0p50}/gfs.t${cyc}z.pgrb2b.0p50.f${fhr3}" tmpfile2b
    cat tmpfile2 tmpfile2b > tmpfile
-   ${WGRIB2} tmpfile | grep -F -f ${paramlist} | ${WGRIB2} -i -grib  pgb2file tmpfile
+   # shellcheck disable=SC2312
+   ${WGRIB2} tmpfile | grep -F -f "${paramlist}" | ${WGRIB2} -i -grib  pgb2file tmpfile
    export err=$?; err_chk
 
    cp pgb2file "${COM_ATMOS_GOES}/${RUN}.${cycle}.pgrb2f${fhr3}.npoess"
@@ -135,8 +123,7 @@ for (( fhr=$((10#${SHOUR})); fhr <= $((10#${FHOUR})); fhr = fhr + FHINC )); do
        "${DBNROOT}/bin/dbn_alert" MODEL GFS_PGBNPOESS "${job}" \
 				  "${COM_ATMOS_GOES}/${RUN}.${cycle}.pgrb2f${fhr3}.npoess"
    else
-       msg="File ${RUN}.${cycle}.pgrb2f${fhr3}.npoess not posted to db_net."
-       postmsg "${msg}" || echo "${msg}"
+       echo "File ${RUN}.${cycle}.pgrb2f${fhr3}.npoess not posted to db_net."
    fi
    echo "${PDY}${cyc}${fhr3}" > "${COM_ATMOS_GOES}/${RUN}.t${cyc}z.control.halfdeg.npoess"
    rm tmpfile pgb2file
@@ -146,10 +133,10 @@ done
 ################################################################
 # Specify Forecast Hour Range F000 - F180 for GOESSIMPGRB files 
 ################################################################
-export SHOUR=000
+export SHOUR=0
 export FHOUR=180
-export FHINC=003
-if [[ "${FHOUR}" -gt "${FHMAX_GFS}" ]]; then
+export FHINC=3
+if (( FHOUR > FHMAX_GFS )); then
    export FHOUR="${FHMAX_GFS}"
 fi
 
@@ -157,7 +144,7 @@ fi
 # Process GFS PGRB2_SPECIAL_POST
 #################################
 
-for (( fhr=$((10#${SHOUR})); fhr <= $((10#${FHOUR})); fhr = fhr + FHINC )); do
+for (( fhr=SHOUR; fhr <= FHOUR; fhr = fhr + FHINC )); do
 
    fhr3=$(printf "%03d" "${fhr}")
 
@@ -165,38 +152,25 @@ for (( fhr=$((10#${SHOUR})); fhr <= $((10#${FHOUR})); fhr = fhr + FHINC )); do
    # Start Looping for the 
    # existence of the restart files
    ###############################
-   set +x
    export pgm="postcheck"
-   ic=1
-   while (( ic <= SLEEP_LOOP_MAX )); do
-      if [[ -f "${COM_ATMOS_GOES}/${RUN}.t${cyc}z.special.grb2if${fhr3}.idx" ]]; then
-         break
-      else
-         ic=$((ic + 1))
-         sleep "${SLEEP_INT}"
-      fi
-      ###############################
-      # If we reach this point assume
-      # fcst job never reached restart
-      # period and error exit
-      ###############################
-      if (( ic == SLEEP_LOOP_MAX )); then
-         echo "FATAL ERROR: Special goes grib file not available after max sleep time"
-         export err=9
-         err_chk || exit "${err}"
-      fi
-   done
-   set_trace
+   grib_file="${COM_ATMOS_MASTER}/${RUN}.t${cyc}z.goesmasterf${fhr3}.grb2"
+   if ! wait_for_file "${grib_file}" "${SLEEP_INT}" "${SLEEP_LOOP_MAX}"; then
+      echo "FATAL ERROR: GOES master grib file ${grib_file} not available after max sleep time"
+      export err=9
+      err_chk || exit "${err}"
+   fi
    ###############################
    # Put restart files into /nwges 
    # for backup to start Model Fcst
    ###############################
-   cp "${COM_ATMOS_GOES}/${RUN}.t${cyc}z.special.grb2if${fhr3}" masterfile
+   cp "${grib_file}" masterfile
    export grid0p25="latlon 0:1440:0.25 90:721:-0.25"
+   # shellcheck disable=SC2086,SC2248
    ${WGRIB2} masterfile ${opt1} ${opt21} ${opt22} ${opt23} ${opt24} ${opt25} ${opt26} \
       ${opt27} ${opt28} -new_grid ${grid0p25} pgb2file
 
    export gridconus="lambert:253.0:50.0:50.0 214.5:349:32463.0 1.0:277:32463.0"
+   # shellcheck disable=SC2086,SC2248
    ${WGRIB2} masterfile ${opt1} ${opt21} ${opt22} ${opt23} ${opt24} ${opt25} ${opt26} \
       ${opt27} ${opt28} -new_grid ${gridconus} pgb2file2
 
diff --git a/scripts/exgfs_atmos_nawips.sh b/scripts/exgfs_atmos_nawips.sh
index 36c3c8e74a..25873473a8 100755
--- a/scripts/exgfs_atmos_nawips.sh
+++ b/scripts/exgfs_atmos_nawips.sh
@@ -18,12 +18,12 @@ source "${USHgfs}/preamble.sh" "${2}"
 export ILPOST=${ILPOST:-1}
 
 cd "${DATA}" || exit 1
-RUN2=$1
+grid=$1
 fend=$2
 DBN_ALERT_TYPE=$3
 destination=$4
 
-DATA_RUN="${DATA}/${RUN2}"
+DATA_RUN="${DATA}/${grid}"
 mkdir -p "${DATA_RUN}"
 cd "${DATA_RUN}" || exit 1
 
@@ -44,20 +44,22 @@ proj=
 output=T
 pdsext=no
 
-maxtries=360
-fhcnt=${fstart}
-while (( fhcnt <= fend )) ; do
+sleep_interval=10
+max_tries=360
+fhr=$(( 10#${fstart} ))
+while (( fhr <= 10#${fend} )) ; do
 
-  if mkdir "lock.${fhcnt}" ; then
-    cd "lock.${fhcnt}" || exit 1
-    cp "${HOMEgfs}/gempak/fix/g2varswmo2.tbl" "g2varswmo2.tbl"
-    cp "${HOMEgfs}/gempak/fix/g2vcrdwmo2.tbl" "g2vcrdwmo2.tbl"
-    cp "${HOMEgfs}/gempak/fix/g2varsncep1.tbl" "g2varsncep1.tbl"
-    cp "${HOMEgfs}/gempak/fix/g2vcrdncep1.tbl" "g2vcrdncep1.tbl"
+  fhr3=$(printf "%03d" "${fhr}")
 
-    fhr=$(printf "%03d" "${fhcnt}")
+  if mkdir "lock.${fhr3}" ; then
+    cd "lock.${fhr3}" || exit 1
 
-    GEMGRD="${RUN2}_${PDY}${cyc}f${fhr}"
+    for table in g2varswmo2.tbl g2vcrdwmo2.tbl g2varsncep1.tbl g2vcrdncep1.tbl; do
+      cp "${HOMEgfs}/gempak/fix/${table}" "${table}" || \
+        ( echo "FATAL ERROR: ${table} is missing" && exit 2 )
+    done
+
+    GEMGRD="${RUN}_${grid}_${PDY}${cyc}f${fhr3}"
 
     # Set type of Interpolation for WGRIB2
     export opt1=' -set_grib_type same -new_grid_winds earth '
@@ -71,63 +73,42 @@ while (( fhcnt <= fend )) ; do
     export opt27=":(APCP|ACPCP|PRATE|CPRAT|DZDT):"
     export opt28=' -new_grid_interpolation budget -fi '
 
-    case ${RUN2} in
+    case ${grid} in
       # TODO: Why aren't we interpolating from the 0p25 grids for 35-km and 40-km?
-      'gfs_0p50' | 'gfs_0p25') res=${RUN2: -4};;
-      *) res="1p00";;
+      '0p50' | '0p25') grid_in=${grid};;
+      *) grid_in="1p00";;
     esac
 
-    source_var="COM_ATMOS_GRIB_${res}"
-    export GRIBIN="${!source_var}/${model}.${cycle}.pgrb2.${res}.f${fhr}"
-    GRIBIN_chk="${!source_var}/${model}.${cycle}.pgrb2.${res}.f${fhr}.idx"
+    source_var="COM_ATMOS_GRIB_${grid_in}"
+    export GRIBIN="${!source_var}/${model}.${cycle}.pgrb2.${grid_in}.f${fhr3}"
+    GRIBIN_chk="${!source_var}/${model}.${cycle}.pgrb2.${grid_in}.f${fhr3}.idx"
 
-    icnt=1
-    while (( icnt < 1000 )); do
-      if [[ -r "${GRIBIN_chk}" ]] ; then
-        # File available, wait 5 seconds then proceed
-        sleep 5
-        break
-      else
-        # File not available yet, wait 10 seconds and try again
-        echo "The process is waiting ... ${GRIBIN_chk} file to proceed."
-        sleep 10
-        icnt=$((icnt+1))
-      fi
-      if (( icnt >= maxtries )); then
-        echo "FATAL ERROR: after 1 hour of waiting for ${GRIBIN_chk} file at F${fhr} to end."
-        export err=7 ; err_chk
-        exit "${err}"
-      fi
-    done
+    if ! wait_for_file "${GRIBIN_chk}" "${sleep_interval}" "${max_tries}"; then
+      echo "FATAL ERROR: after 1 hour of waiting for ${GRIBIN_chk} file at F${fhr3} to end."
+      export err=7 ; err_chk
+      exit "${err}"
+    fi
 
-    case "${RUN2}" in
-      gfs35_pac)
-        export gfs35_pac='latlon 130.0:416:0.312 75.125:186:-0.312'
-        # shellcheck disable=SC2086,SC2248
-        "${WGRIB2}" "${GRIBIN}" ${opt1} ${opt21} ${opt22} ${opt23} ${opt24} ${opt25} ${opt26} ${opt27} ${opt28} -new_grid ${gfs35_pac} "grib${fhr}"
-        trim_rh "grib${fhr}"
-        ;;
-      gfs35_atl)
-        export gfs35_atl='latlon 230.0:480:0.312 75.125:242:-0.312'
-        # shellcheck disable=SC2086,SC2248
-        "${WGRIB2}" "${GRIBIN}" ${opt1} ${opt21} ${opt22} ${opt23} ${opt24} ${opt25} ${opt26} ${opt27} ${opt28} -new_grid ${gfs35_atl} "grib${fhr}"
-        trim_rh "grib${fhr}"
-        ;;
-      gfs40)
-        export gfs40='lambert:265.0:25.0:25.0 226.541:185:40635.0 12.19:129:40635.0'
-        # shellcheck disable=SC2086,SC2248
-        "${WGRIB2}" "${GRIBIN}" ${opt1uv} ${opt21} ${opt22} ${opt23} ${opt24} ${opt25} ${opt26} ${opt27} ${opt28} -new_grid ${gfs40} "grib${fhr}"
-        trim_rh "grib${fhr}"
-        ;;
-     *)
-        cp "${GRIBIN}" "grib${fhr}"
+    case "${grid}" in
+      35km_pac) grid_spec='latlon 130.0:416:0.312 75.125:186:-0.312';;
+      35km_atl) grid_spec='latlon 230.0:480:0.312 75.125:242:-0.312';;
+      40km)     grid_spec='lambert:265.0:25.0:25.0 226.541:185:40635.0 12.19:129:40635.0';;
+      *)        grid_spec='';;
     esac
 
-    export pgm="nagrib2 F${fhr}"
+    if [[ "${grid_spec}" != "" ]]; then
+      # shellcheck disable=SC2086,SC2248
+      "${WGRIB2}" "${GRIBIN}" ${opt1uv} ${opt21} ${opt22} ${opt23} ${opt24} ${opt25} ${opt26} ${opt27} ${opt28} -new_grid ${grid_spec} "grib${fhr3}"
+      trim_rh "grib${fhr3}"
+    else
+      cp "${GRIBIN}" "grib${fhr3}"
+    fi
+
+    export pgm="nagrib2 F${fhr3}"
     startmsg
 
     ${NAGRIB} << EOF
-GBFILE   = grib${fhr}
+GBFILE   = grib${fhr3}
 INDXFL   = 
 GDOUTF   = ${GEMGRD}
 PROJ     = ${proj}
@@ -148,21 +129,20 @@ EOF
     cpfs "${GEMGRD}" "${destination}/${GEMGRD}"
     if [[ ${SENDDBN} == "YES" ]] ; then
         "${DBNROOT}/bin/dbn_alert" MODEL "${DBN_ALERT_TYPE}" "${job}" \
-				   "${destination}/${GEMGRD}"
+           "${destination}/${GEMGRD}"
     fi
     cd "${DATA_RUN}" || exit 1
   else
-    if (( fhcnt <= 240 )) ; then
-    	if (( fhcnt < 276 )) && [[ "${RUN2}" = "gfs_0p50" ]] ; then
-    	    fhcnt=$((fhcnt+6))
-    	else
-    	    fhcnt=$((fhcnt+12))
-    	fi
-    elif ((fhcnt < 120)) && [[ "${RUN2}" = "gfs_0p25" ]] ; then
-      ####    let fhcnt=fhcnt+1
-    	fhcnt=$((hcnt + ILPOST))
+    if (( fhr >= 240 )) ; then
+      if (( fhr < 276 )) && [[ "${grid}" = "0p50" ]] ; then
+          fhr=$((fhr+6))
+      else
+          fhr=$((fhr+12))
+      fi
+    elif ((fhr < 120)) && [[ "${grid}" = "0p25" ]] ; then
+      fhr=$((fhr + ILPOST))
     else
-      fhcnt=$((ILPOST > finc ? fhcnt+ILPOST : fhcnt+finc ))
+      fhr=$((ILPOST > finc ? fhr+ILPOST : fhr+finc ))
     fi
   fi
 done
diff --git a/sorc/link_workflow.sh b/sorc/link_workflow.sh
index d4c6f45a12..b92ae0e757 100755
--- a/sorc/link_workflow.sh
+++ b/sorc/link_workflow.sh
@@ -264,8 +264,8 @@ if [[ ! -d "${HOMEgfs}/exec" ]]; then mkdir "${HOMEgfs}/exec" || exit 1 ; fi
 cd "${HOMEgfs}/exec" || exit 1
 
 for utilexe in fbwndgfs.x gaussian_sfcanl.x gfs_bufr.x supvit.x syndat_getjtbul.x \
-  syndat_maksynrc.x syndat_qctropcy.x tocsbufr.x overgridid.x \
-  mkgfsawps.x enkf_chgres_recenter_nc.x tave.x vint.x ocnicepost.x
+  syndat_maksynrc.x syndat_qctropcy.x tocsbufr.x overgridid.x rdbfmsua.x \
+  mkgfsawps.x enkf_chgres_recenter_nc.x tave.x vint.x ocnicepost.x webtitle.x
 do
   [[ -s "${utilexe}" ]] && rm -f "${utilexe}"
   ${LINK_OR_COPY} "${HOMEgfs}/sorc/gfs_utils.fd/install/bin/${utilexe}" .
diff --git a/ush/bash_functions.sh b/ush/bash_functions.sh
new file mode 100644
index 0000000000..12eb2057b4
--- /dev/null
+++ b/ush/bash_functions.sh
@@ -0,0 +1,2 @@
+#! /usr/bin/env bash
+
diff --git a/ush/gfs_bufr.sh b/ush/gfs_bufr.sh
index 54e8ec52b5..5bd0a5e7f7 100755
--- a/ush/gfs_bufr.sh
+++ b/ush/gfs_bufr.sh
@@ -82,14 +82,14 @@ ln -sf "${STNLIST:-${PARMgfs}/product/bufr_stalist.meteo.gfs}" fort.8
 
 case "${CASE}" in
     "C768")
-        ln -sf "${PARMbufrsnd}/bufr_ij13km.txt" fort.7
+        ln -sf "${PARMgfs}/product/bufr_ij13km.txt" fort.7
         ;;
     "C1152")
-        ln -sf "${PARMbufrsnd}/bufr_ij9km.txt"  fort.7
+        ln -sf "${PARMgfs}/product/bufr_ij9km.txt"  fort.7
         ;;
     *)
-        echo "FATAL ERROR: Unrecognized bufr_ij*km.txt For CASE ${CASE}, ABORT!"
-        exit 1
+        echo "WARNING: No bufr table for this resolution, using the one for C768"
+        ln -sf "${PARMgfs}/product/bufr_ij13km.txt" fort.7
         ;;
 esac
 
diff --git a/ush/preamble.sh b/ush/preamble.sh
index 35f32d10bc..e791bcb4e0 100644
--- a/ush/preamble.sh
+++ b/ush/preamble.sh
@@ -172,6 +172,50 @@ function generate_com() {
 # shellcheck disable=
 declare -xf generate_com
 
+function wait_for_file() {
+    #
+    # Wait for a file to exist and return the status.
+    #
+    # Checks if a file exists periodically up to a maximum number of attempts. When the file
+    #   exists or the limit is reached, the status is returned (0 if the file exists,1 if it
+    #   does not). This allows it to be used as a conditional to handle missing files.
+    #
+    # Syntax:
+    #   wait_for_file file_name [sleep_interval [max_tries]]
+    #
+    #     file_name:      File to check the existence of (must be readable)
+    #     sleep_interval: Time to wait between each check (in seconds) [default: 60]
+    #     max_tries:      The maximum number of checks to make [default: 100]
+    #
+    # Example:
+    #     ```
+    #     file_name=/path/to/foo
+    #     sleep_interval=60
+    #     max_tries=30
+    #     if wait_for_file; then
+    #       echo "FATAL ERROR: ${file_name} still does not exist after waiting one-half hour."
+    #       exit 1
+    #     fi
+    #     # Code that depends on file existing
+    #     ```
+    #
+    set +x
+    local file_name=${1:?"wait_for_file() requires a file name"}
+    local sleep_interval=${2:-60}
+    local max_tries=${3:-100}
+
+    for (( iter=0; iter<max_tries; iter++ )); do
+        if [[ -r ${file_name} ]]; then
+            set_trace
+            return 0
+        fi
+        sleep "${sleep_interval}"
+    done
+    set_trace
+    return 1
+}
+declare -xf wait_for_file
+
 function detect_py_ver() {
     # 
     # Returns the major.minor version of the currently active python executable
@@ -188,6 +232,7 @@ function detect_py_ver() {
 # shellcheck disable=
 declare -xf detect_py
 
+
 # Turn on our settings
 set_strict
 set_trace
diff --git a/workflow/applications/gfs_cycled.py b/workflow/applications/gfs_cycled.py
index 51b430a996..e492aa0bfd 100644
--- a/workflow/applications/gfs_cycled.py
+++ b/workflow/applications/gfs_cycled.py
@@ -85,7 +85,9 @@ def _get_app_configs(self):
             configs += ['metp']
 
         if self.do_gempak:
-            configs += ['gempak', 'npoess']
+            configs += ['gempak']
+            if self.do_goes:
+                configs += ['npoess']
 
         if self.do_bufrsnd:
             configs += ['postsnd']
@@ -254,8 +256,9 @@ def get_task_names(self):
             gfs_tasks += ['gempak']
             gfs_tasks += ['gempakmeta']
             gfs_tasks += ['gempakncdcupapgif']
-            gfs_tasks += ['npoess_pgrb2_0p5deg']
-            gfs_tasks += ['gempakpgrb2spec']
+            if self.do_goes:
+                gfs_tasks += ['npoess_pgrb2_0p5deg']
+                gfs_tasks += ['gempakpgrb2spec']
 
         if self.do_awips:
             gfs_tasks += ['awips_20km_1p0deg', 'awips_g2', 'fbwind']
diff --git a/workflow/hosts/hera.yaml b/workflow/hosts/hera.yaml
index 71d444ed00..1393694153 100644
--- a/workflow/hosts/hera.yaml
+++ b/workflow/hosts/hera.yaml
@@ -22,3 +22,6 @@ ATARDIR: '/NCEPDEV/${HPSS_PROJECT}/1year/${USER}/${machine}/scratch/${PSLOT}'
 MAKE_NSSTBUFR: 'NO'
 MAKE_ACFTBUFR: 'NO'
 SUPPORTED_RESOLUTIONS: ['C1152', 'C768', 'C384', 'C192', 'C96', 'C48']
+COMINecmwf: /scratch1/NCEPDEV/global/glopara/data/external_gempak/ecmwf
+COMINnam: /scratch1/NCEPDEV/global/glopara/data/external_gempak/nam
+COMINukmet: /scratch1/NCEPDEV/global/glopara/data/external_gempak/ukmet
diff --git a/workflow/hosts/hercules.yaml b/workflow/hosts/hercules.yaml
index 58a9589f2f..2623672709 100644
--- a/workflow/hosts/hercules.yaml
+++ b/workflow/hosts/hercules.yaml
@@ -22,3 +22,6 @@ ATARDIR: '${NOSCRUB}/archive_rotdir/${PSLOT}'
 MAKE_NSSTBUFR: 'NO'
 MAKE_ACFTBUFR: 'NO'
 SUPPORTED_RESOLUTIONS: ['C1152', 'C768', 'C384', 'C192', 'C96', 'C48']
+COMINecmwf: /work/noaa/global/glopara/data/external_gempak/ecmwf
+COMINnam: /work/noaa/global/glopara/data/external_gempak/nam
+COMINukmet: /work/noaa/global/glopara/data/external_gempak/ukmet
diff --git a/workflow/hosts/jet.yaml b/workflow/hosts/jet.yaml
index 00c89b60a1..28b7571b32 100644
--- a/workflow/hosts/jet.yaml
+++ b/workflow/hosts/jet.yaml
@@ -22,3 +22,6 @@ ATARDIR: '/NCEPDEV/${HPSS_PROJECT}/1year/${USER}/${machine}/scratch/${PSLOT}'
 MAKE_NSSTBUFR: 'NO'
 MAKE_ACFTBUFR: 'NO'
 SUPPORTED_RESOLUTIONS: ['C384', 'C192', 'C96', 'C48']
+COMINecmwf: /mnt/lfs4/HFIP/hfv3gfs/glopara/data/external_gempak/ecmwf
+COMINnam: /mnt/lfs4/HFIP/hfv3gfs/glopara/data/external_gempak/nam
+COMINukmet: /mnt/lfs4/HFIP/hfv3gfs/glopara/data/external_gempak/ukmet
diff --git a/workflow/hosts/orion.yaml b/workflow/hosts/orion.yaml
index 4c08a878dc..dd95def386 100644
--- a/workflow/hosts/orion.yaml
+++ b/workflow/hosts/orion.yaml
@@ -22,3 +22,6 @@ ATARDIR: '${NOSCRUB}/archive_rotdir/${PSLOT}'
 MAKE_NSSTBUFR: 'NO'
 MAKE_ACFTBUFR: 'NO'
 SUPPORTED_RESOLUTIONS: ['C1152', 'C768', 'C384', 'C192', 'C96', 'C48']
+COMINecmwf: /work/noaa/global/glopara/data/external_gempak/ecmwf
+COMINnam: /work/noaa/global/glopara/data/external_gempak/nam
+COMINukmet: /work/noaa/global/glopara/data/external_gempak/ukmet
diff --git a/workflow/hosts/wcoss2.yaml b/workflow/hosts/wcoss2.yaml
index cfb141061c..ba203a8413 100644
--- a/workflow/hosts/wcoss2.yaml
+++ b/workflow/hosts/wcoss2.yaml
@@ -22,3 +22,6 @@ ATARDIR: '/NCEPDEV/${HPSS_PROJECT}/1year/${USER}/${machine}/scratch/${PSLOT}'
 MAKE_NSSTBUFR: 'NO'
 MAKE_ACFTBUFR: 'NO'
 SUPPORTED_RESOLUTIONS: ['C1152', 'C768', 'C384', 'C192', 'C96', 'C48']
+COMINecmwf: /lfs/h2/emc/global/noscrub/emc.global/data/external_gempak/ecmwf
+COMINnam: /lfs/h2/emc/global/noscrub/emc.global/data/external_gempak/nam
+COMINukmet: /lfs/h2/emc/global/noscrub/emc.global/data/external_gempak/ukmet
diff --git a/workflow/rocoto/gfs_tasks.py b/workflow/rocoto/gfs_tasks.py
index 36b57bd6dc..75760e55e1 100644
--- a/workflow/rocoto/gfs_tasks.py
+++ b/workflow/rocoto/gfs_tasks.py
@@ -1442,7 +1442,7 @@ def gempak(self):
 
     def gempakmeta(self):
         deps = []
-        dep_dict = {'type': 'metatask', 'name': f'{self.cdump}atmos_prod'}
+        dep_dict = {'type': 'task', 'name': f'{self.cdump}gempak'}
         deps.append(rocoto.add_dependency(dep_dict))
         dependencies = rocoto.create_dependency(dep=deps)
 
@@ -1465,7 +1465,7 @@ def gempakmeta(self):
 
     def gempakmetancdc(self):
         deps = []
-        dep_dict = {'type': 'metatask', 'name': f'{self.cdump}atmos_prod'}
+        dep_dict = {'type': 'task', 'name': f'{self.cdump}gempak'}
         deps.append(rocoto.add_dependency(dep_dict))
         dependencies = rocoto.create_dependency(dep=deps)
 
@@ -1488,7 +1488,7 @@ def gempakmetancdc(self):
 
     def gempakncdcupapgif(self):
         deps = []
-        dep_dict = {'type': 'metatask', 'name': f'{self.cdump}atmos_prod'}
+        dep_dict = {'type': 'task', 'name': f'{self.cdump}gempak'}
         deps.append(rocoto.add_dependency(dep_dict))
         dependencies = rocoto.create_dependency(dep=deps)
 
@@ -1537,7 +1537,9 @@ def npoess_pgrb2_0p5deg(self):
         deps = []
         dep_dict = {'type': 'task', 'name': f'{self.cdump}atmanlprod'}
         deps.append(rocoto.add_dependency(dep_dict))
-        dependencies = rocoto.create_dependency(dep=deps)
+        dep_dict = {'type': 'metatask', 'name': f'{self.cdump}goesupp'}
+        deps.append(rocoto.add_dependency(dep_dict))
+        dependencies = rocoto.create_dependency(dep=deps, dep_condition='and')
 
         resources = self.get_resource('npoess')
         task_name = f'{self.cdump}npoess_pgrb2_0p5deg'
@@ -1546,7 +1548,7 @@ def npoess_pgrb2_0p5deg(self):
                      'dependency': dependencies,
                      'envars': self.envars,
                      'cycledef': self.cdump.replace('enkf', ''),
-                     'command': f'{self.HOMEgfs}/jobs/rocoto/npoess_pgrb2_0p5deg.sh',
+                     'command': f'{self.HOMEgfs}/jobs/rocoto/npoess.sh',
                      'job_name': f'{self.pslot}_{task_name}_@H',
                      'log': f'{self.rotdir}/logs/@Y@m@d@H/{task_name}.log',
                      'maxtries': '&MAXTRIES;'
@@ -2207,6 +2209,21 @@ def cleanup(self):
             dep_dict = {'type': 'task', 'name': f'{self.cdump}arch'}
             deps.append(rocoto.add_dependency(dep_dict))
 
+        if self.app_config.do_gempak:
+            if self.cdump in ['gdas']:
+                dep_dict = {'type': 'task', 'name': f'{self.cdump}gempakmetancdc'}
+                deps.append(rocoto.add_dependency(dep_dict))
+            elif self.cdump in ['gfs']:
+                dep_dict = {'type': 'task', 'name': f'{self.cdump}gempakmeta'}
+                deps.append(rocoto.add_dependency(dep_dict))
+                dep_dict = {'type': 'task', 'name': f'{self.cdump}gempakncdcupapgif'}
+                deps.append(rocoto.add_dependency(dep_dict))
+                if self.app_config.do_goes:
+                    dep_dict = {'type': 'task', 'name': f'{self.cdump}gempakgrb2spec'}
+                    deps.append(rocoto.add_dependency(dep_dict))
+                    dep_dict = {'type': 'task', 'name': f'{self.cdump}npoess_pgrb2_0p5deg'}
+                    deps.append(rocoto.add_dependency(dep_dict))
+
         dependencies = rocoto.create_dependency(dep_condition='and', dep=deps)
 
         resources = self.get_resource('cleanup')