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| Name: | potential_temperature | Abbreviation: | pt | Unit: | K |
| Definition | The temperature that an unsaturated parcel of dry air would have if brought adiabatically and reversibly from its initial state to a standard pressure p_o, typically 1000 hPa. |
| Validity | instantaneous |
| Comment | |
| GRIB 2 | | Discipline | = 0 | | | | Parameter Category | = 0 | | | | Parameter Number | = 2 | | | | Type of first fixed surface | = 109 | Type of second fixed surface | = All 1's | | Scale factor of first fixed surface | = 6 | Scale factor of second fixed surface | = All 1's | | Scaled value of first fixed surface | = 2 | Scaled value of second fixed surface | = All 1's |
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| GRIB 2 and C-code for: Deterministic forecast, Perturbed forecast and Control forecast |