GRIB-API definition
| Name | Total column water | Abbreviation | tcw | Unit | kg m-2 | paramId: | 136 |
UERRA details
| Definition | Vertical integral from the ground to the nominal top of the atmosphere expressing the total amount of water (vapour + cloud water + cloud ice), but no precipitation included. |
| Validity | instantaneous |
| Comment |
WMO GRIB2 definition
| Parameter | ||
|---|---|---|
| Discipline | 0 | meteorological products |
| Parameter category | 1 | moisture |
| Parameter number | 51 | total column water (vertically integrated total water (vapour + cloud water/ice)) |
| Level | ||
|---|---|---|
| Type of first fixed surface | 1 | ground or water surface |
| Scale factor of first fixed surface | all bits to 1 | missing |
| Scaled value of first fixed surface | all bits to 1 | missing |
| Type of second fixed surface | 8 | nominal top of the atmosphere |
| Scale factor of second fixed surface | all bits to 1 | missing |
| Scaled value of second fixed surface | all bits to 1 | missing |