GRIB-API definition
Name | Soil temperature | Abbreviation | sot | Unit | K | paramId: | 260360 |
UERRA details
Definition | Temperature of a soil level (or layer for MetOffice). |
Validity | instantaneous |
Comment | Sea points should be set as missing values (encoded as bitmap). Soil levels/layers must always start from 1 (0 is the surface by default which is not encoded) |
WMO GRIB2 definition
Parameter | ||
---|---|---|
Discipline | 2 | land surface products |
Parameter category | 3 | soil products |
Parameter number | 18 | soil temperature |
Definition for soil levels 1...X:
Level | ||
---|---|---|
Type of first fixed surface | 151 | soil level** |
Scale factor of first fixed surface | 0 | |
Scaled value of first fixed surface | 1/2/3/.../X | n for the nth soil layer |
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 |
Definition for soil layers 1...X:
Level | ||
---|---|---|
Type of first fixed surface | 151 | soil level** |
Scale factor of first fixed surface | 0 | |
Scaled value of first fixed surface | 0/1/2/3/.../X-1 | n-1 for the nth soil layer |
Type of second fixed surface | 151 | soil level* |
Scale factor of second fixed surface | 0 | |
Scaled value of second fixed surface | 1/2/3/.../X | n for the nth soil layer |
**newly approved level type (WMO release in May 2016)