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GRIB-API definition
| Name: | surface_air_temperature | Abbreviation: | 2tt | Unit: | K | paramId: | 130 |
UERRA details
| Definition | Temperature on a model level | Definition | The temperature near the surface. |
| Validity | instantaneous | ||
| Comment Computed from instantaneous values at 00. 06, 12 and 18Z. 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. |
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WMO GRIB2 definition
| Parameter | ||
|---|---|---|
| Discipline | = 0 | Meteorological meteorological products |
| Parameter Categorycategory | = 0 Temperature | temperature |
| Parameter Numbernumber | = 0 | temperatureTemperature |
| Level | |||
|---|---|---|---|
| Type of first fixed surface | = 103 | 105 | hybrid level Specified height level above ground m |
| Scale factor of first fixed surface | = 0 | ||
| Scaled value of first fixed surface | = 2 | model level number | 2 metres (might vary from one centre to another) |
| Type of second fixed surface | = all bits to 1 | Missingmissing | |
| Scale factor of second fixed surface | = all bits to 1 | Missingmissing | |
| Scaled value of second fixed surface | = all bits to 1 | Missingmissing | |