Name:specific_humidityAbbreviation:qUnit:kg kg-1
DefinitionThe mass of water vapor per unit mass of air, including the water vapor.
Validityinstantaneous
Comment 
GRIB 2
Discipline= 0  
Parameter Category= 1  
Parameter Number= 0  
Type of first fixed surface= 100Type of second fixed surface= All 1's
Scale factor of first fixed surface= 0Scale factor of second fixed surface= All 1's
Scaled value of first fixed surface= value in PaScaled value of second fixed surface= All 1's