ufs-community · scrasmussen · Jan 15, 2026 · Jan 19, 2026 · Jan 19, 2026 · Jan 19, 2026
@@ -8,9 +8,13 @@
   branch = main
 [submodule "physics/SFC_Layer/MYNN/MYNN"]
   path = physics/SFC_Layer/MYNN/MYNN
-  url = https://github.com/NCAR/MYNN-SFC
-  branch = ccpp/dev
+  # url = https://github.com/NCAR/MYNN-SFC
+  # branch = ccpp/dev
+  url = https://github.com/scrasmussen/MYNN-SFC
+  branch = mynn-sfc-remove-physcons
 [submodule "physics/CONV/C3"]
   path = physics/CONV/C3
-  url = https://github.com/ufs-community/c3
-  branch = main
+  # url = https://github.com/ufs-community/c3
+  # branch = main
+  url = https://github.com/scrasmussen/c3
+  branch = c3-remove-physcons
@@ -2,7 +2,7 @@
 [ccpp-table-properties]
   name = cs_conv
   type = scheme
-  dependencies = ../../tools/funcphys.f90,../../hooks/machine.F,../../hooks/physcons.F90
+  dependencies = ../../tools/funcphys.f90,../../hooks/machine.F
 
 ########################################################################
 [ccpp-arg-table]
@@ -448,6 +448,102 @@
   type = real
   kind = kind_phys
   intent = out
+[cp]
+  standard_name = specific_heat_of_dry_air_at_constant_pressure
+  long_name = specific heat of dry air at constant pressure
+  units = J kg-1 K-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[grav]
+  standard_name = gravitational_acceleration
+  long_name = gravitational acceleration
+  units = m s-2
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[rair]
+  standard_name = gas_constant_of_dry_air
+  long_name = ideal gas constant for dry air
+  units = J kg-1 K-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[rvap]
+  standard_name = gas_constant_water_vapor
+  long_name = ideal gas constant for water vapor
+  units = J kg-1 K-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[cliq]
+  standard_name = specific_heat_of_liquid_water_at_constant_pressure
+  long_name = specific heat of liquid water at constant pressure
+  units = J kg-1 K-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[cvap]
+  standard_name = specific_heat_of_water_vapor_at_constant_pressure
+  long_name = specific heat of water vapor at constant pressure
+  units = J kg-1 K-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[epsv]
+  standard_name = ratio_of_dry_air_to_water_vapor_gas_constants
+  long_name = rd/rv
+  units = none
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[epsvm1]
+  standard_name = ratio_of_dry_air_to_water_vapor_gas_constants_minus_one
+  long_name = (rd/rv) - 1
+  units = none
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[epsvt]
+  standard_name = ratio_of_vapor_to_dry_air_gas_constants_minus_one
+  long_name = (rv/rd) - 1 (rv = ideal gas constant for water vapor)
+  units = none
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[el]
+  standard_name = latent_heat_of_vaporization_of_water_at_0C
+  long_name = latent heat of evaporation/sublimation
+  units = J kg-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[emelt]
+  standard_name = latent_heat_of_fusion_of_water_at_0C
+  long_name = latent heat of fusion
+  units = J kg-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
+[t0c]
+  standard_name = temperature_at_zero_celsius
+  long_name = temperature at 0 degrees Celsius
+  units = K
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
 [errmsg]
   standard_name = ccpp_error_message
   long_name = error message for error handling in CCPP

@@ -4,7 +4,6 @@
 !> This module contains the Grell_Freitas deep convection scheme
 module cu_gf_deep
      use machine , only : kind_phys
-     use physcons, only : qamin
      real(kind=kind_phys), parameter::g=9.81
      real(kind=kind_phys), parameter:: cp=1004.
      real(kind=kind_phys), parameter:: xlv=2.5e6
@@ -143,7 +142,8 @@ subroutine cu_gf_deep_run(        &
                                 !! betwee -1 and +1
               ,do_capsuppress,cap_suppress_j    &    !         
               ,k22                              &    !
-              ,jmin,kdt,mc_thresh)                         !
+              ,jmin,kdt,mc_thresh               &
+              ,qamin)
 
    implicit none
 
@@ -192,6 +192,7 @@ subroutine cu_gf_deep_run(        &
         ,intent (in  )                   ::                            &
         kpbl
 !$acc declare copyin(kpbl)
+     real(kind_phys), intent(in) :: qamin
   !
   ! basic environmental input includes moisture convergence (mconv)
   ! omega (omeg), windspeed (us,vs), and a flag (ierr) to turn off

@@ -5,7 +5,6 @@
 module cu_gf_driver
 
    ! DH* TODO: replace constants with arguments to cu_gf_driver_run
-   !use physcons  , g => con_g, cp => con_cp, xlv => con_hvap, r_v => con_rv
    use machine   , only: kind_phys
    use cu_gf_deep, only: cu_gf_deep_run,neg_check,fct1d3
    use cu_gf_sh  , only: cu_gf_sh_run
@@ -68,7 +67,8 @@ subroutine cu_gf_driver_run(ntracer,garea,im,km,dt,flag_init,flag_restart, gf_co
                dfi_radar_max_intervals,ldiag3d,qci_conv,do_cap_suppress,        &
                maxupmf,maxMF,do_mynnedmf,ichoice_in,ichoicem_in,ichoice_s_in,   &
                spp_cu_deep,spp_wts_cu_deep,nchem,chem3d,fscav,wetdpc_deep,      &
-               do_smoke_transport,kdt,ten_t,ten_u,ten_v,ten_q,dcliw,dclcw,errmsg,errflg)
+               do_smoke_transport,kdt,ten_t,ten_u,ten_v,ten_q,dcliw,dclcw,      &
+               qamin,errmsg,errflg)
 !-------------------------------------------------------------
       implicit none
       integer, parameter :: maxiens=1
@@ -165,6 +165,7 @@ subroutine cu_gf_driver_run(ntracer,garea,im,km,dt,flag_init,flag_restart, gf_co
 !$acc declare copy(cactiv,cactiv_m,chem3d,wetdpc_deep)
    real(kind_phys), dimension(:,:), intent(out) :: ten_t, ten_u, ten_v, dcliw, dclcw
    real(kind_phys), dimension(:,:,:), intent(out) :: ten_q
+   real(kind_phys), intent(in) :: qamin
 
    character(len=*), intent(out) :: errmsg
    integer,          intent(out) :: errflg
@@ -782,7 +783,8 @@ subroutine cu_gf_driver_run(ntracer,garea,im,km,dt,flag_init,flag_restart, gf_co
                                ! betwee -1 and +1
               ,do_cap_suppress_here,cap_suppress_j &
               ,k22m          &
-              ,jminm,kdt,mc_thresh)
+              ,jminm,kdt,mc_thresh &
+              ,qamin)
 !$acc kernels
             do i=its,itf
              do k=kts,ktf
@@ -868,7 +870,8 @@ subroutine cu_gf_driver_run(ntracer,garea,im,km,dt,flag_init,flag_restart, gf_co
                                ! betwee -1 and +1
               ,do_cap_suppress_here,cap_suppress_j &
               ,k22          &
-              ,jmin,kdt,mc_thresh)
+              ,jmin,kdt,mc_thresh &
+              ,qamin)
           jpr=0
           ipr=0
 !$acc kernels

@@ -725,6 +725,14 @@
   type = real
   kind = kind_phys
   intent = out
+[qamin]
+  standard_name = minimum_aerosol_concentration
+  long_name = Minimum aerosol mass mixing ratio
+  units = kg kg-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
 [errmsg]
   standard_name = ccpp_error_message
   long_name = error message for error handling in CCPP

@@ -13,10 +13,9 @@ module samfcnv_aerosols
       subroutine samfdeepcnv_aerosols(im, ix, km, itc, ntc, ntr, delt,
      &  xlamde, xlamdd, cnvflg, jmin, kb, kmax, kd94, ktcon, fscav,
      &  edto, xlamd, xmb, c0t, eta, etad, zi, xlamue, xlamud, delp,
-     &  qtr, qaero)
+     &  qtr, qaero, g, qamin)
 
       use machine , only : kind_phys
-      use physcons, only : g => con_g, qamin
 
       implicit none
 
@@ -35,6 +34,8 @@ subroutine samfdeepcnv_aerosols(im, ix, km, itc, ntc, ntr, delt,
      &  eta, etad, zi, xlamue, xlamud
       real(kind=kind_phys), dimension(ix,km),       intent(in) :: delp
       real(kind=kind_phys), dimension(ix,km,ntr+2), intent(in) :: qtr
+      real(kind=kind_phys),                         intent(in) :: g
+      real(kind=kind_phys),                         intent(in) :: qamin
 c     -- output arguments
       real(kind=kind_phys), dimension(im,km,ntc),   intent(out) :: qaero
 
@@ -412,10 +413,9 @@ end subroutine samfdeepcnv_aerosols
       subroutine samfshalcnv_aerosols(im, ix, km, itc, ntc, ntr, delt,
      &  cnvflg, kb, kmax, kbcon, ktcon, fscav,
      &  xmb, c0t, eta, zi, xlamue, xlamud, delp,
-     &  qtr, qaero)
+     &  qtr, qaero, con_g, qamin)
 
       use machine , only : kind_phys
-      use physcons, only : g => con_g, qamin
 
       implicit none
 
@@ -435,6 +435,8 @@ subroutine samfshalcnv_aerosols(im, ix, km, itc, ntc, ntr, delt,
      &  eta, zi, xlamue  !, xlamud
       real(kind=kind_phys), dimension(ix,km),       intent(in) :: delp
       real(kind=kind_phys), dimension(ix,km,ntr+2), intent(in) :: qtr
+      real(kind=kind_phys),                         intent(in) :: con_g
+      real(kind=kind_phys),                         intent(in) :: qamin
 c     -- output arguments
       real(kind=kind_phys), dimension(im,km,ntc),   intent(out) :: qaero
 
@@ -463,9 +465,10 @@ subroutine samfshalcnv_aerosols(im, ix, km, itc, ntc, ntr, delt,
       real(kind=kind_phys), parameter :: zero    = 0.0_kind_phys
       real(kind=kind_phys), parameter :: epsil   = 1.e-22_kind_phys    ! prevent division by zero
       real(kind=kind_phys), parameter :: escav   = 0.8_kind_phys       ! wet scavenging efficiency
+      real(kind=kind_phys) :: g
 
 c     -- begin
-
+      g = con_g
 c     -- check if aerosols are present
       if ( ntc <= 0 .or. itc <= 0 .or. ntr <= 0 ) return
       if ( ntr  < itc + ntc - 3 ) return

@@ -59,7 +59,7 @@ subroutine samfshalcnv_run(im,km,nn,itc,ntc,cliq,cp,cvap,            &
      &     ten_q, dot,ncloud,hpbl,ud_mf,dt_mf,cnvw,cnvc,                &
      &     clam,c0s,c1,evef,pgcon,asolfac,hwrf_samfshal,                & 
      &     sigmain,sigmaout,omegain,omegaout,betadcu,betamcu,betascu,   &
-     &     cat_adj_shal,errmsg,errflg)
+     &     cat_adj_shal,qamin,errmsg,errflg)
 !
       use machine , only : kind_phys
       use funcphys , only : fpvs
@@ -93,7 +93,7 @@ subroutine samfshalcnv_run(im,km,nn,itc,ntc,cliq,cp,cvap,            &
       real(kind=kind_phys), intent(out) :: rn(:),                       &
      &   cnvw(:,:), cnvc(:,:), dt_mf(:,:)
 !
-      real(kind=kind_phys), intent(out) :: ud_mf(:,:)
+      real(kind=kind_phys), intent(out), optional :: ud_mf(:,:)
       real(kind=kind_phys), intent(inout), optional :: sigmaout(:,:),   &
      &   omegaout(:,:)
 
@@ -102,6 +102,7 @@ subroutine samfshalcnv_run(im,km,nn,itc,ntc,cliq,cp,cvap,            &
       logical,          intent(in)  :: hwrf_samfshal,first_time_step,   &
      &     restart,progsigma,progomega
       real(kind_phys), intent(in) :: cat_adj_shal
+      real(kind=kind_phys), intent(in) :: qamin
       character(len=*), intent(out) :: errmsg
       integer,          intent(out) :: errflg
 
@@ -2127,7 +2128,7 @@ subroutine samfshalcnv_run(im,km,nn,itc,ntc,cliq,cp,cvap,            &
 !    &  cnvflg, kb, kmax, ktcon, fscav,
 !!   &  edto, xlamd, xmb, c0t, eta, etad, zi, xlamue, xlamud, delp,
 !    &  xmb, c0t, eta, zi, xlamue, xlamud, delp,
-!    &  qtr, qaero)
+!    &  qtr, qaero, grav, qamin)
 !     endif
 !
 !> ## For the "feedback control", calculate updated values of the state variables by multiplying the cloud base mass flux and the tendencies calculated per unit cloud base mass flux from the static control.
@@ -2616,4 +2617,3 @@ subroutine samfshalcnv_run(im,km,nn,itc,ntc,cliq,cp,cvap,            &
       end subroutine samfshalcnv_run
 !> @}
       end module samfshalcnv
-
@@ -606,6 +606,14 @@
   type = real
   kind = kind_phys
   intent = in
+[qamin]
+  standard_name = minimum_aerosol_concentration
+  long_name = Minimum aerosol mass mixing ratio
+  units = kg kg-1
+  dimensions = ()
+  type = real
+  kind = kind_phys
+  intent = in
 [errmsg]
   standard_name = ccpp_error_message
   long_name = error message for error handling in CCPP

@@ -101,10 +101,6 @@ subroutine sascnvn_run(
 !
       use machine , only : kind_phys
       use funcphys , only : fpvs
-!      use physcons, grav => con_g, cp => con_cp, hvap => con_hvap       &
-!     &,             rv => con_rv, fv => con_fvirt, t0c => con_t0c       &
-!     &,             cvap => con_cvap, cliq => con_cliq                  &
-!     &,             eps => con_eps, epsm1 => con_epsm1,rgas => con_rd
       implicit none
 !
 ! Interface variables

@@ -96,10 +96,6 @@ subroutine shalcnv_run(                                           &
 !
       use machine  , only : kind_phys
       use funcphys , only : fpvs
-!      use physcons, grav => con_g, cp => con_cp, hvap => con_hvap       &
-!     &,             rv => con_rv, fv => con_fvirt, t0c => con_t0c       &
-!     &,             rd => con_rd, cvap => con_cvap, cliq => con_cliq    &
-!     &,             eps => con_eps, epsm1 => con_epsm1
       implicit none
 !
 ! Interface variables
+3 −5		CCPP/cu_c3_driver_ccpp.F90
+1 −1		CCPP/cu_c3_driver_ccpp.meta