ecCodes definition

Name:Specific humidityAbbreviation:qUnit:kg kg-1paramId:133

S2S details

DefinitionThe mass of water vapour per unit mass of air, including the water vapor.
ValidityInstantaneous
Comment Archived once a day at 00Z

WMO GRIB2 definition

Parameter
Discipline= 0Meteorological products
Parameter Category= 1Moisture
Parameter Number= 0
Specific humidity
Level
Type of first fixed surface= 100 Isobaric surface Pa
Scale factor of first fixed surface= 0
Scaled value of first fixed surface= value in Pa Value of the field in Pascal
Type of second fixed surface= all bits to 1Missing
Scale factor of second fixed surface= all bits to 1Missing
Scaled value of second fixed surface= all bits to 1Missing