Potential vorticity at 320K
| Name: | potential_vorticity | Abbreviation: | pv | Unit: | K m2 kg-1 s-1 | 
| Definition | The scalar product of the absolute vorticity and the gradient of the potential temperature times the specific volume. | 
| Validity | Instantaneous | 
| Comment | Archived once a day at 00Z | 
| 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 |