This interstitial code adds the subgrid clouds to the resolved-scale clouds if there is no resolved-scale clouds in that particular grid box. It can also specify a cloud fraction for resolved-scale clouds, using Xu-Randall (1996), if desired.

Argument Table

sgscloud_radpre_run argument table

local_name	standard_name	long_name	units	type	dimensions	kind	intent
im	horizontal_loop_extent	horizontal loop extent	count	integer	()		in
levs	vertical_layer_dimension	vertical layer dimension	count	integer	()		in
flag_init	flag_for_first_timestep	flag signaling first time step for time integration loop	flag	logical	()		in
flag_restart	flag_for_restart	flag for restart (warmstart) or coldstart	flag	logical	()		in
con_g	gravitational_acceleration	gravitational acceleration	m s-2	real	()	kind_phys	in
con_pi	pi	ratio of a circle's circumference to its diameter	none	real	()	kind_phys	in
eps	ratio_of_dry_air_to_water_vapor_gas_constants	rd/rv	none	real	()	kind_phys	in
epsm1	ratio_of_dry_air_to_water_vapor_gas_constants_minus_one	(rd/rv) - 1	none	real	()	kind_phys	in
do_mynnedmf	flag_for_mellor_yamada_nakanishi_niino_pbl_scheme	flag to activate MYNN-EDMF	flag	logical	()		in
qc	cloud_liquid_water_mixing_ratio	ratio of mass of cloud water to mass of dry air plus vapor (without condensates)	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
qi	cloud_ice_mixing_ratio	ratio of mass of ice water to mass of dry air plus vapor (without condensates)	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
qv	specific_humidity	water vapor specific humidity	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	in
T3D	air_temperature	layer mean air temperature	K	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	in
P3D	air_pressure	mean layer pressure	Pa	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	in
qr	rain_mixing_ratio	moist (dry+vapor, no condensates) mixing ratio of rain water	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
qs	snow_mixing_ratio	moist (dry+vapor, no condensates) mixing ratio of snow water	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
qg	graupel_mixing_ratio	graupel mixing ratio wrt dry+vapor (no condensates)	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
qci_conv	convective_cloud_condesate_after_rainout	convective cloud condesate after rainout	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
imfdeepcnv	control_for_deep_convection_scheme	flag for mass-flux deep convection scheme	flag	integer	()		in
imfdeepcnv_gf	identifier_for_grell_freitas_deep_convection	flag for Grell-Freitas deep convection scheme	flag	integer	()		in
qc_save	cloud_condensed_water_mixing_ratio_save	ratio of mass of cloud water to mass of dry air plus vapor (without condensates) before entering a physics scheme	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
qi_save	ice_water_mixing_ratio_save	ratio of mass of ice water to mass of dry air plus vapor (without condensates) before entering a physics scheme	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
QC_BL	subgrid_scale_cloud_liquid_water_mixing_ratio	subgrid cloud water mixing ratio from PBL scheme	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	in
QI_BL	subgrid_scale_cloud_ice_mixing_ratio	subgrid cloud ice mixing ratio from PBL scheme	kg kg-1	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	in
CLDFRA_BL	subgrid_scale_cloud_area_fraction_in_atmosphere_layer	subgrid cloud fraction from PBL scheme	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	in
delp	layer_pressure_thickness_for_radiation	layer pressure thickness on radiation levels	hPa	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:adjusted_vertical_layer_dimension_for_radiation)	kind_phys	in
clouds1	total_cloud_fraction	layer total cloud fraction	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
clouds2	cloud_liquid_water_path	layer cloud liquid water path	g m-2	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
clouds3	mean_effective_radius_for_liquid_cloud	mean effective radius for liquid cloud	um	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
clouds4	cloud_ice_water_path	layer cloud ice water path	g m-2	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
clouds5	mean_effective_radius_for_ice_cloud	mean effective radius for ice cloud	um	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension)	kind_phys	inout
slmsk	area_type	landmask: sea/land/ice=0/1/2	flag	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
nlay	adjusted_vertical_layer_dimension_for_radiation	number of vertical layers for radiation	count	integer	()		in
plyr	air_pressure_at_layer_for_radiation_in_hpa	air pressure at vertical layer for radiation calculation	hPa	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:adjusted_vertical_layer_dimension_for_radiation)	kind_phys	in
xlat	latitude	grid latitude	radian	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
dz	layer_thickness_for_radiation	layer thickness on radiation levels	km	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:adjusted_vertical_layer_dimension_for_radiation)	kind_phys	in
de_lgth	cloud_decorrelation_length	cloud decorrelation length	km	real	(ccpp_constant_one:horizontal_loop_extent)	kind_phys	in
cldsa	cloud_area_fraction_for_radiation	fraction of clouds for low, middle,high, total and BL	frac	real	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:5)	kind_phys	inout
mtopa	model_layer_number_at_cloud_top	vertical indices for low, middle and high cloud tops	index	integer	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:3)		inout
mbota	model_layer_number_at_cloud_base	vertical indices for low, middle and high cloud bases	index	integer	(ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:3)		inout
imp_physics	control_for_microphysics_scheme	choice of microphysics scheme	flag	integer	()		in
imp_physics_gfdl	identifier_for_gfdl_microphysics_scheme	choice of GFDL microphysics scheme	flag	integer	()		in
iovr	flag_for_cloud_overlap_method_for_radiation	max-random overlap clouds	flag	integer	()		in
errmsg	ccpp_error_message	error message for error handling in CCPP	none	character	()	len=*	out
errflg	ccpp_error_code	error code for error handling in CCPP	1	integer	()		out

cloud array description: ! clouds(:,:,1) - layer total cloud fraction ! clouds(:,:,2) - layer cloud liq water path ! clouds(:,:,3) - mean effective radius for liquid cloud ! clouds(:,:,4) - layer cloud ice water path ! clouds(:,:,5) - mean effective radius for ice cloud !

SGS Cloud Scheme Pre General Algorithm