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[rrfs-mpas-jedi] Allow MPASJEDI write analysis into init.nc directly at cold-start cycles#1022

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MatthewPyle-NOAA merged 7 commits into
NOAA-EMC:rrfs-mpas-jedifrom
guoqing-noaa:coldstartDA2
Oct 23, 2025
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[rrfs-mpas-jedi] Allow MPASJEDI write analysis into init.nc directly at cold-start cycles#1022
MatthewPyle-NOAA merged 7 commits into
NOAA-EMC:rrfs-mpas-jedifrom
guoqing-noaa:coldstartDA2

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@guoqing-noaa

@guoqing-noaa guoqing-noaa commented Oct 22, 2025

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This is a new version of the closed PR #949 where the MPAS-Model updates are not robust for all situations.
Now we have resolved that issue and the MPAS-Model is able to handle all situations.

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Previously, MPASJEDI cannot write analysis into init.nc at cold-start cycles due to global attribute mismatch (see issue ufs-community/MPAS-Model#176).

With a recent MPAS-Model update (RRFSx/MPAS-Model#12 and ufs-community/MPAS-Model#177), we can now write analysis into init.nc directly.

This PR includes those MPAS-Model changes, retire the previous temporary ncks method, modifies rrfs-workflow accordingly.

It has been thoroughly tested with 12 cycles conus12km jedivar experiments and getkf experiments.

@guoqing-noaa guoqing-noaa requested a review from ywangwof October 23, 2025 13:33

@SamuelDegelia-NOAA SamuelDegelia-NOAA left a comment

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Great work, happy to have these older workarounds resolved.

@MatthewPyle-NOAA MatthewPyle-NOAA merged commit 0358f85 into NOAA-EMC:rrfs-mpas-jedi Oct 23, 2025
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@guoqing-noaa guoqing-noaa deleted the coldstartDA2 branch October 23, 2025 16:48
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4 participants