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Introduce Tiedtke CP related namelist options and enable wind speed and PBLH dependent mixing length limits in GFS PBL#3104

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Introduce Tiedtke CP related namelist options and enable wind speed and PBLH dependent mixing length limits in GFS PBL#3104
BinLiu-NOAA wants to merge 2 commits into
ufs-community:developfrom
hafs-community:feature/hafs_tiedtke_varml

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@BinLiu-NOAA

@BinLiu-NOAA BinLiu-NOAA commented Feb 23, 2026

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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.

Description:

  • From @AndrewHazelton: Add a namelist option to control scale-awareness option in Tiedtke CP.
  • From @JunghoonShin-NOAA: Add a namelist variable, icu_zoentr, for using a different entrainment equation in Tiedtke CP.
  • From @WeiguoWang-NOAA: Introduce wind speed and PBLH dependent mixing length limits in GFS PBL scheme.

Commit Message:

* UFSWM - 
  * UFSATM - 
    * ccpp-physics - 

Priority:

  • Critical Bugfix: Reason
  • High: Reason
  • Normal

Git Tracking

UFSWM:

Sub component Pull Requests:

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:

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

Testing Log:

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

…velopments.

 - From @AndrewHazelton: Add a namelist option to control scale-awareness option in Tiedtke CP.
 - From @JunghoonShin-NOAA: Add a namelist variable, icu_zoentr, for using a different entrainment equation in Tiedtke CP.
 - From @WeiguoWang-NOAA: Introduce wind and PBLH dependent mixing length scales in GFS PBL scheme.
@github-project-automation github-project-automation Bot moved this to Evaluating in PRs to Process Feb 23, 2026
@BinLiu-NOAA BinLiu-NOAA changed the title Introduce Tiedtke CP related namelist options and enable wind speed and PBLH dependent mixing lengths in GFS PBL Introduce Tiedtke CP related namelist options and enable wind speed and PBLH dependent mixing length limits in GFS PBL Feb 23, 2026
@gspetro-NOAA gspetro-NOAA added No Baseline Change No Baseline Change UFSATM There are changes to the UFSATM repository. CCPP There are changes to a CCPP repository. labels Feb 23, 2026
@gspetro-NOAA gspetro-NOAA moved this from Evaluating to Draft in PRs to Process Feb 23, 2026
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Labels

CCPP There are changes to a CCPP repository. No Baseline Change No Baseline Change UFSATM There are changes to the UFSATM repository.

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Status: Draft

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