ecCodes definition
Name: | Mean wave direction | Abbreviation: | mwd | Unit: | degree true | paramId: | 140230 |
Other details
Definition | Spectral mean direction over all frequencies and direction of the two-dimensional wave spectrum |
Validity | instantaneous |
Comment | Missing values should be encoded as bitmap. |
WMO GRIB2 definition
Parameter | ||
---|---|---|
Discipline | 10 | oceanographic products |
Parameter category | 0 | waves |
Parameter number | 14 | Direction of combined wind waves and swell |
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 |