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Bugfix/atrayano/uw regression fix #875

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atrayano
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This fixes #874. The choice of the limiter was suggested by @wmputman. We need to coordinate with @narnold1

@atrayano atrayano added 0 diff The changes in this pull request have verified to be zero-diff with the target branch. bugfix This fixes a bug Draft hotfix labels Dec 22, 2023
@atrayano atrayano requested a review from a team as a code owner December 22, 2023 14:56
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The cnvtr dependence was originally added to reduce entrainment in the presence of deep convective cold pools. GF cold pool development was later set aside and we switched to a precip dependence. Removing this is fine, but we should verify it doesn't negatively impact skill.

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@narnold1 thanks for your quick response! I wanted to hear your opinion, and this was the reason I made this PR "draft". Let see how this impacts the skill. If we need to keep your "cntvr" dependence, we could fix the regression issue differently

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sdrabenh commented Jan 5, 2024

@atrayano @narnold1 are we waiting on something additional, or is this PR ready to go?

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narnold1 commented Jan 5, 2024

I'll run a test this afternoon to verify that the effect is small.

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narnold1 commented Jan 8, 2024

In replay experiments with L137 and GFDL microphysics, this results in a small improvement in 850 mb temperature and small degradation in water vapor. I suspect the overall change is either neutral or slightly beneficial. Expected to be zero diff for default L72 configuration.

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@atrayano @narnold1 I'm closing this PR since this very bugfix came into develop through one of @wmputman branches.

@sdrabenh sdrabenh closed this Jan 24, 2024
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uwshcu.F90 has a regression bug
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