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GRIB-API definition

NameTotal column integrated water vapourAbbreviation
tcw
tciwvUnitkg m-2paramId:
136
260057

 

UERRA details

Definition
Vertical integral from the ground to the nominal top of the atmosphere expressing the total amount of water (vapour + cloud water + cloud ice), but no precipitation included.
Vertically integrated water vapour
Validity

instantaneous

Comment 

 

WMO GRIB2 definition

Parameter
Discipline0meteorological products
Parameter category1moisture
Parameter number
51
64
 total
Total column
water (vertically
integrated
total
water
(
vapour
+ cloud water/ice))
Level
Type of first fixed surface1ground or water surface
Scale factor of first fixed surfaceall bits to 1missing
Scaled value of first fixed surfaceall bits to 1missing
Type of second fixed surface8
nominal top of the atmosphere
Scale factor of second fixed surfaceall bits to 1missing
Scaled value of second fixed surfaceall bits to 1missing