| Level |
|---|
| Type of first fixed surface | = 103??1 | Ground or water surface |
| Scale factor of first Type of second fixed surface | = All 1's all bits to 1 | Missing |
| Scaled value Scale factor of first fixed surface | = 0Scale factor all bits to 1 | Missing |
| Type of second fixed surface | = | All 1's all bits to 1 | Missing
|
| Scale factor of second | Scaled value of first fixed surface | = | 2all bits to 1 | Missing |
| Scaled value of second fixed surface | = | All all bits to 1 | 'sGRIB 2 and C-code for: Perturbed forecast, Control forecast, Perturbed re-forecast and Control re-forecast | Missing |