GRIB-API definition
name | 2 metre relative humidity | Abbreviation |
rh
UERRA details
Definition | The ratio of the partial pressure of water vapour to the equilibrium vapour pressure of water at the same temperature near the surface. |
Validity | instantaneous |
Comment | Please note that the specific height level above ground might vary from one Centre to another |
. The scaled value of first fixed surface given below is the one in usage at ECMWF
WMO GRIB2 definition
Parameter |
---|
Discipline | 0 | meteorological products |
Parameter Category | 1 | moisture |
Parameter Number | 1
| relative humidity
|
Level |
---|
Type of first fixed surface | 103 |
specified height level above ground (m) |
Scale factor of first fixed surface | 0 |
|
Scaled value of first fixed surface | 2 |
2m (might vary from one centre to another)or 15*** | 2 / 1.5 m |
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 |
*** option valid for MetOffice