| Level |
|---|
| Type of first fixed surface | = 1 | Ground or water surface |
| Scale factor of first fixed surface | = all bits to 1 | Missing |
| Scaled value of first fixed surface | = all bits to 1 | Missing |
| 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 |
| GRIB 2 | | Discipline | = 0 | | | | Parameter Category | = 2 | | | | Parameter Number | = ??? | | | | Type of first fixed surface | = 1 | Type of second fixed surface | = All 1's | | 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 |
|
GRIB 2 and C-code for: Perturbed forecast, Control forecast, Perturbed re-forecast and Control re-forecast |