ecCodes definition
| Name: | Potential vorticity | Abbreviation: | pv | Unit: | K m2 kg-1 s-1 | paramId: | 60 |
TIGGE details
| Definition | The scalar product of the absolute vorticity and the gradient of the potential temperature times the specific volume. |
| Validity | Instantaneous |
| Comment |
WMO GRIB2 definition
| Parameter | ||
|---|---|---|
| Discipline | 0 | Meteorological products |
| Parameter Category | 2 | Momentum |
| Parameter Number | 14 | Potential vorticity |
| Level | ||
|---|---|---|
| Type of first fixed surface | 107 | Isentropic (theta) level K |
| Scale factor of first fixed surface | 0 | |
| Scaled value of first fixed surface | 320 | 320K |
| 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 |