GRIB-API definition
Name | Surface solar radiation downwards | Abbreviation | ssrd | Unit | J m-2 | paramId: | 169 |
UERRA details
Definition | Downward solar (short-wave) radiation at the surface. |
Validity | accumulated (from the beginning of the forecast) |
Comment | The flux sign convention is positive downwards. |
WMO GRIB2 definition
Parameter | ||
---|---|---|
Discipline | 0 | meteorological products |
Parameter category | 4 | short-wave radiation |
Parameter number | 7 | downward short-wave radiation flux |
Type of statistical processing | 1 | accumulated |
Level | ||
---|---|---|
Type of first fixed surface | 1 | ground or water surface |
Scale factor of first fixed surface | all bits to 1 | missing |
Scaled value of first fixed surface | all bits to 1 | missing |
Type of second fixed surface | all bits to 1 | missing |
Scale factor of second fixed surface | all bits to 1 | missing |
Scaled value of second fixed surface | all bits to 1 | missing |