[production/RRFS.v1] RRFS smoke update and hailcast fix

[MatthewPyle-NOAA]

Commit Queue Requirements:

• This PR addresses a relevant WM issue (if not, create an issue).
• All subcomponent pull requests (if any) have been reviewed by their code managers.
• Run the full Intel+GNU RT suite (compared to current baselines), preferably on Ursa (Derecho or Hercules are acceptable alternatives). Exceptions: documentation-only PRs, CI-only PRs, etc.
  • Commit log file w/full results from RT suite run (if applicable).
  • Verify that test_changes.list indicates which tests, if any, are changed by this PR. Commit test_changes.list, even if it is empty.
• Fill out all sections of this template.

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Description:

Commit Message:

* UFSWM - 
  * UFSATM - 
    * ccpp-physics - 
    * atmos_cubed_sphere - 

Priority:

• Critical Bugfix: Reason
• High: Reason Trying to get RRFS production code into final form in March 2026.
• Normal

Git Tracking

UFSWM:

• Closes #

Sub component Pull Requests:

• UFSATM: [production/RRFS.v1] Umbrella for smoke/hailcast fix PRs NOAA-EMC/ufsatm#1076
  • ccpp-physics: [production/RRFS.v1] Small update for RRFS smoke ccpp-physics#362
  • atmos_cubed_sphere: [production/RRFS.v1] fix hailcast crash under DEBUG by initializing variables approriately NOAA-EMC/GFDL_atmos_cubed_sphere#92

UFSWM Blocking Dependencies:

• Blocked by #
• None

Documentation:

• Documentation update required.
  • Relevant updates are included with this PR.
  • A WM issue has been opened to track the need for a documentation update; a person responsible for submitting the update has been assigned to the issue (link issue).
• Documentation update NOT required.
  • Explanation:

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Changes

Regression Test Changes (Please commit test_changes.list):

• PR Adds New Tests/Baselines.
• PR Updates/Changes Baselines.
• No Baseline Changes.

Input data Changes:

• None.
• PR adds input data.
• PR changes existing input data.

Library Changes/Upgrades:

• Required
  • Library names w/versions:
  • Git Stack Issue (JCSDA/spack-stack#)
• No Updates

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Testing Log:

• RDHPCS
  • Orion
  • Hercules
  • GaeaC6
  • Derecho
  • Ursa
• WCOSS2
  • Dogwood/Cactus
  • Acorn
• CI
• opnReqTest (complete task if unnecessary)

[MatthewPyle-NOAA]

Code changes (in atmos_cubed_sphere and ccpp-physics) are merged. So ready for the ufsatm/ufswm buttoning up at this point.