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Modify visibility upper bound for GFS#1369

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WenMeng-NOAA merged 9 commits into
NOAA-EMC:developfrom
WenMeng-NOAA:post_vis
Nov 21, 2025
Merged

Modify visibility upper bound for GFS#1369
WenMeng-NOAA merged 9 commits into
NOAA-EMC:developfrom
WenMeng-NOAA:post_vis

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Solve issue #1368.

@WenMeng-NOAA WenMeng-NOAA added Baseline Change The baselines of the UPP regression tests are changed. Ready for Review This PR is ready for code review. labels Nov 19, 2025
@clyden-noaa clyden-noaa moved this to Review in PRs to Process Nov 19, 2025
@ChristopherHill-NOAA
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ChristopherHill-NOAA commented Nov 19, 2025

The VIS value modification of this PR currently precedes the modification that accounts for nighttime effect (lines 378-383), which increases the VIS value in nighttime regions and may cause VIS > 24.135 km in some cases.

It is suggested that the new statement be moved to line 392 (prior to the final value modification from units of km to m) to ensure that no value of VIS exceeds 24.135 km with GFS.

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The VIS value modification of this PR currently precedes the modification that accounts for nighttime effect (lines 378-383), which increases the VIS value in nighttime regions and may cause VIS > 24.135 km in some cases.

It is suggested that the new statement be moved to line 392 (prior to the final value modification from units of km to m) to ensure that no value of VIS exceeds 24.135 km with GFS.

@ChristopherHill-NOAA Good catching. I will modify that.

@WenMeng-NOAA
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@clyden-noaa This PR is ready for RTs on R&D machine. There should be a baseline change in gfs test.

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@WenMeng-NOAA Your changes look good to me, and I got the expected change to GFS visibility in my testing.

@clyden-noaa clyden-noaa moved this from Review to Ready for Testing in PRs to Process Nov 21, 2025
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@WenMeng-NOAA @BenjaminBlake-NOAA
All of my testing is complete.
The gfs baseline has been updated on all HPCs
All RTs successfully ran without errors and within timing thresholds.

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This PR is ready for merging.

@WenMeng-NOAA WenMeng-NOAA merged commit 8d41f98 into NOAA-EMC:develop Nov 21, 2025
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@github-project-automation github-project-automation Bot moved this from Ready for Testing to Merged in PRs to Process Nov 21, 2025
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Baseline Change The baselines of the UPP regression tests are changed. GFSV17 Ready for commit queue Ready for Review This PR is ready for code review.

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Successfully merging this pull request may close these issues.

Inconsistent maximum visibility in the CALVIS (GFSv16) and CALVIS_GSD (GFSv17)

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