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| Name: | total_column_water | Abbreviation: | tcw | Unit: | kg m-2 |
Total column water
| 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 | Available once a day at 00Z |
| GRIB 2 | | Discipline | = 0 | | | | Parameter Category | = 1 | | | | Parameter Number | = 51 | | | | Type of first fixed surface | = 1 | Type of second fixed surface | = 8 | | Scale factor of first fixed surface | = All 1's | Scale factor of second fixed surface | = All 1's | | Scaled value of first fixed surface | = All 1's | Scaled value of second fixed surface | = All 1's |
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| GRIB 2 and C-code for: Perturbed forecast, Control forecast, Perturbed re-forecast and Control re-forecast |