GRIB-API definition
surface air maximum temperature| Maximum temperature at 2 metres | Abbreviation |
mx2t6
UERRA details
| Validity | Maximum determined over the last 6 hours |
Comment | The field will NOT be archived at forecast step 0 .It will be archived 4 times a day at 00, 06, 12 and 18Z.The maximum temperature near the surface determined over the last six hours. | 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 products
|
| Parameter |
Category| category | 0 | temperature |
| Parameter |
Number| cumber | 0 | temperature
|
| Type of statistical processing | 2 | maximum |
| Length of time range | post-processing step in hours | 1/3/6 |
| Level |
|---|
| Type of first fixed surface | 103 | specified height level above ground (m) |
| Scale factor of first fixed surface | 0 |
|
| 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 |
| Scale factor of second fixed surface | all bits to 1 | missing |
| Scaled value of second fixed surface | all bits to 1 | missing |
*** option valid for MetOffice