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Cloud cover parameter changes for GFSv17 #325

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Merged
grantfirl merged 3 commits into from
Oct 27, 2025
Merged

Cloud cover parameter changes for GFSv17 #325

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85f57d1
change to use moorthi parameters in xu/randall for Thompson MP
RuiyuSun Oct 16, 2025
851fcce
Merge remote-tracking branch 'upstream/ufs/dev' into moorthi_cover
RuiyuSun Oct 16, 2025
bf4042f
remove a comment line in radiation_clouds.f
RuiyuSun Oct 20, 2025
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4 changes: 2 additions & 2 deletions physics/Radiation/radiation_clouds.f
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Expand Up @@ -2082,7 +2082,7 @@ subroutine progcld_thompson_wsm6 &
integer :: i, k, id, nf

! --- constant values
real (kind=kind_phys), parameter :: xrc3 = 100.
real (kind=kind_phys), parameter :: xrc3 = 2000.
real (kind=kind_phys), parameter :: snow2ice = 0.25
real (kind=kind_phys), parameter :: coef_t = 0.025
!
Expand Down Expand Up @@ -3866,7 +3866,7 @@ subroutine cloud_fraction_mass_flx_2 &
onemrh= max( 1.e-10, 1.0-rhly(i,k) )
clwm = clwmin / max( 0.01, plyr(i,k)*0.001 )

tem1 = min(max((onemrh*qstl(i,k))**0.49,0.0001),1.0) !jhan
tem1 = min(max(sqrt(sqrt(onemrh*qstl(i,k))),0.0001),1.0)
if (lmfdeep2) then
tem1 = xrc3 / tem1
else
Expand Down