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GRIB-API ecCodes definition

Name:Depth of 20C 20 C isothermAbbreviation:t20dUnit:mparamId:151163

Remark: The parameter "Depth of 20C isotherm" [m] (151163) exists.  Should we add WMO def (but it is daily mean now!)?

Remark masv: 151163 is a mean despite it is not reflected in its name.


S2S details

Definition
Validity
 daily mean
Daily averaged
Comment
 computed from instantaneous values at...

Land points should be set as missing values.

Computation of daily average depends on the model (e.g. it can be a direct model output or computed one from instantaneous values at 0, 6, 12 and 18Z etc)


WMO GRIB2 definition

Parameter
Discipline10oceanographic products
Parameter category4subsurface properties
Parameter number1415
water temperaturedepth


Level
Type of first fixed surface20isothermal level K
Scale factor of first fixed surface2
Scaled value of first fixed surface29315
Type of second fixed surfaceall bits to 1missing
Scale factor of second fixed surfaceall bits to 1missing
Scaled value of second fixed surfaceall bits to 1missing

...