ecCodes definition

Name:Geopotential heightAbbreviation:ghUnit:gpmparamId:156

S2S details

DefinitionThe height of a given point in the atmosphere in units proportional to the potential energy of unit mass (geopotential) at this height relative to the sea level.
ValidityInstantaneous
Comment Archived once a day at 00Z

WMO GRIB2 definition

Parameter
Discipline= 0Meteorological products
Parameter Category= 3Mass
Parameter Number= 5
Geopotential height
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