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Specific humidity
| name: | specific_humidity | Abbreviation: | q | Unit: | kg kg-1 |
| Definition | The mass of water vapor per unit mass of air, including the water vapor. |
| Validity | instantaneous |
| Comment | |
| GRIB 2 | | Discipline | = 0 | | | | Parameter Category | = 1 | | | | Parameter Number | = 0 | | | | Type of first fixed surface | = 100 | Type of second fixed surface | = All 1's | | Scale factor of first fixed surface | = 0 | Scale factor of second fixed surface | = All 1's | | Scaled value of first fixed surface | = value in Pa | 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 |