| local_name | standard_name | long_name | units | type | dimensions | kind | intent |
| doLWrad | flag_for_calling_longwave_radiation | flag to calculate LW irradiances | flag | logical | () | | in |
| ncol | horizontal_loop_extent | horizontal dimension | count | integer | () | | in |
| nLev | vertical_layer_dimension | number of vertical levels | count | integer | () | | in |
| p_lay | air_pressure_at_layer_for_rrtmgp | air pressure layer | Pa | real | (ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension) | kind_phys | in |
| p_lev | air_pressure_at_interface_for_rrtmgp | air pressure level | Pa | real | (ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_interface_dimension) | kind_phys | in |
| t_lay | air_temperature_at_layer_for_rrtmgp | air temperature layer | K | real | (ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_layer_dimension) | kind_phys | in |
| t_lev | air_temperature_at_interface_for_rrtmgp | air temperature level | K | real | (ccpp_constant_one:horizontal_loop_extent, ccpp_constant_one:vertical_interface_dimension) | kind_phys | in |
| tsfg | surface_ground_temperature_for_radiation | surface ground temperature for radiation | K | real | (ccpp_constant_one:horizontal_loop_extent) | kind_phys | in |
| gas_concentrations | gas_concentrations_for_rrtmgp_suite | DDT containing gas concentrations for RRTMGP radiation scheme | DDT | ty_gas_concs | () | ty_gas_concs | in |
| lw_optical_props_clrsky | longwave_optical_properties_for_clear_sky | Fortran DDT containing RRTMGP optical properties | DDT | ty_optical_props_1scl | () | ty_optical_props_1scl | inout |
| sources | longwave_source_function | Fortran DDT containing RRTMGP source functions | DDT | ty_source_func_lw | () | ty_source_func_lw | inout |
| 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 |