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GRIB-API definition

Name
:surface_air_maximum_temperature
Maximum temperature at 2 metresAbbreviation
:
mx2t6
mx2tuUnit
:
KparamId201

 

UERRA details

ValidityMaximum determined over the last 6 hoursCommentThe field will NOT be archived at forecast step 0 .It will be archived 4 times a day at 00, 06, 12 and 18Z.
Definition
The maximum temperature near the surface determined over the last six hours.

Maximum temperature at 2 metres since previous post-processing

Validitymaximum since the previous post-processing
Comment

Please note that the specific height level above ground might vary from one Centre to another

. The scaled value of first fixed surface given below is the one in usage at ECMWF

.

 

WMO GRIB2 definition

Parameter
Discipline
= 
0
Meteorological
meteorological products
Parameter
Category
category
= 
0
 Temperature
temperature
Parameter
Number
cumber
= 
0
Temperature
temperature
Type of statistical processing
=
2
Maximum
maximum
Type of statistical processing= 2maximum
Length of time rangepost-processing step in hours1/3/6
Level
Type of first fixed surface
=
103 
Specified
specified height level above ground (m)
Scale factor of first fixed surface
=
0
 
or 1***(m) or (dm***)
Scaled value of first fixed surface
=
2
2 metres (might vary from one centre to another)
or 15***2 / 1.5 m
Type of second fixed surface
=
all bits to 1
Missing
missing
Scale factor of second fixed surface
=
all bits to 1
Missing
missing
Scaled value of second fixed surface
=
all bits to 1
Missing
missing

*** option valid for MetOffice