GFSv16.1.4 - Operational Assimilation of Commercial GPS-RO in DO-3 #420
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Created workflow branch off of |
In the v16.1.3 GSI release branch, the gfsv16_historical fix files of global_convinfo.txt and prepobs_errtable.global have been updated. New IF blocks in the config.anal file have been added to properly use these new historical fix files. This allows for proper observation use in parallels that are not running near realtime. Refs: #420
The GSI tag was updated from gfsda.v16.1.1a to gfsda.v16.1.3. This tag turns off GeoOptics assimilation, turns on Spire assimilation, adjusts the observation errors for the commerical data, corrects two RO observation operator bugs, and relaxes the gross check for RO that was added as a mitigation measure for those bugs. Ref: #420
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Tag for release to NCO cut from the release/gfsv16.1.3 branch: EMC-v16.1.3 |
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Implementation date is tentatively the week of September 20th, no firm date/cycle yet. |
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As a result of the obsproc implementation on Aug 18, a bug in the read_nsstbufr routine was discovered (described in GSI #208). It has been decided that this change will be included with the DO-3 GPSRO changes. The gfsda.v16.1.3 tag was recreated. No change to the workflow is needed. The v16.1.3 implementation is planned for 9/20. |
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Validation of the parallel production test on 9/16 at 18z was successful. The DO-3 data was processed properly and results were as expected. Implementation of v16.1.3 was pushed back to Monday 9/27 at 12z at NCO's request. |
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Emergency change in ops this week became the new v16.1.3. This change will now implement next week as GFSv16.1.4. Updating branch and tags accordingly. |
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Checked out https://github.com/NOAA-EMC/global-workflow/tree/release/gfs.v16.1.4 Created new "hand-off" tag from https://github.com/NOAA-EMC/global-workflow/releases/tag/EMC-v16.1.4 Will now remove prior |
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@CatherineThomas-NOAA I just sync merged the recent update in the |
- an emergency update in operations incremented the GFS to v16.1.3 and therefore pushed this implementation version to v16.1.4 - the global_satinfo.txt file was changed in operations for v16.1.3 - new GSI tag was cut after ingesting the updated global_satinfo.txt Refs: #420
- matches corresponding update in checkout.sh Refs: #420
- emergency change in ops pushed this implementation to the next version: v16.1.3 -> v16.1.4 - updated the release notes to reflect the version change Refs: #420
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Recut |
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From the September 24th RFC memo: |
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SPA Simon Hsiao is implementing in 12z gfs today. |
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From this morning's SDM log: |
) * Update config.anal for historical fix files in GSI In the v16.1.4 GSI release branch, the gfsv16_historical fix files of global_convinfo.txt and prepobs_errtable.global have been updated. New IF blocks in the config.anal file have been added to properly use these new historical fix files. This allows for proper observation use in parallels that are not running near realtime. * Update GSI tag to gfsda.v16.1.4 The GSI tag was updated from gfsda.v16.1.1a to gfsda.v16.1.4. This tag turns off GeoOptics assimilation, turns on Spire assimilation, adjusts the observation errors for the commerical data, corrects two RO observation operator bugs, and relaxes the gross check for RO that was added as a mitigation measure for those bugs. Ref: #420 Co-authored-by: catherine.thomas <catherine.thomas@noaa.gov>
Delivery Order 3 (DO-3) of the commercial GPS-RO data purchase was awarded to Spire only. Delivery runs from Sept 16, 2021 (11am ET, 1500 UTC) to March 16, 2022. On Sept 16, 2021, GeoOptics data will also stop flowing.
The implementation number is still unconfirmed by NCO. We will use v16.1.3 until we get confirmation.
The DA work associated with this implementation will be documented in GSI Issue #200
The anticipated workflow changes should be contained only in the new DA tag.
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