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Cloud fraction fix#4582

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Cloud fraction fix#4582
sajjadazimi wants to merge 1 commit into
mainfrom
sa/cloud_fraction

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@sajjadazimi

@sajjadazimi sajjadazimi commented Jun 12, 2026 •
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Purpose

Refactor SGS cloud-fraction closure:

  • bug fix: clip σ_S at eps_numerics instead of sort(eps_numerics): for small q values this would result in no microphysics tendencies;
  • threshold CF at q_cf_th (hardcoded to 1e-8 for now) to avoid large CF values when both q_c and sig_S are small;
  • clip λ ≤ q_c for caution.
  • I have read and checked the items on the review checklist.

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github-actions Bot commented Jun 12, 2026 •
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📖 Docs preview for this PR: https://clima.github.io/ClimaAtmos.jl/previews/PR4582/

@sajjadazimi sajjadazimi requested review from szy21 and removed request for szy21 June 12, 2026 22:47
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