| CF Standard Name | Description | GFS Channel Attr. | Present? |
|---|---|---|---|
| surface_downwelling_shortwave_flux_in_air | Downward Shortwave Radiation Flux | dswrf | ✅ Yes |
| surface_diffuse_downwelling_shortwave_flux_in_air | Diffuse Shortwave Radiation Flux | None | ❌ No |
| surface_downwelling_longwave_flux_in_air | Downward Longwave Radiation Flux | dlwrf | ✅ Yes |
| air_temperature | Temperature at 2m | t | ✅ Yes |
| cloud_area_fraction | Total Cloud Cover | tcc | ✅ Yes |
| high_type_cloud_area_fraction | High Cloud Cover | hcc | ✅ Yes |
| medium_type_cloud_area_fraction | Medium Cloud Cover | mcc | ✅ Yes |
| low_type_cloud_area_fraction | Low Cloud Cover | lcc | ✅ Yes |
| lwe_thickness_of_snowfall_amount | Snow Depth | sde | ✅ Yes |
| precipitation_flux | Precipitation | prate | ✅ Yes |
| eastward_wind | Zonal Wind at 10m | u10 | ✅ Yes |
| northward_wind | Meridional Wind at 10m | v10 | ✅ Yes |
| relative_humidity | Relative Humidity | r | ✅ Yes |
| visibility_in_air | Visibility | vis | ✅ Yes |
| atmosphere_optical_thickness_due_to_aerosol | Aerosol Optical Depth | None | ❌ No |
| surface_albedo | Surface Albedo | None | ❌ No |
| eastward_wind (at 100m) | Zonal Wind at 100m (Extra) | u100 | ✅ Yes |
| northward_wind (at 100m) | Meridional Wind at 100m (Extra) | v100 | ✅ Yes |