| Code Figure | Meaning |
|---|---|
| 0 |
Unperturbed High-Resolution Control Forecast |
| 1 |
Unperturbed Low-Resolution Control Forecast |
| 2 |
Negatively Perturbed Forecast |
| 3 |
Positively Perturbed Forecast |
| 4 | Multi-Model Forecast |
| 5 | Unperturbed Forecast |
| 6 | Perturbed Forecast |
| 7 | Initial Conditions Perturbations (see Note 1) |
| 8 | Model Physics Perturbations (see Note 2) |
| 9 | Initial Conditions and Model Physics Perturbations (see Note 3) |
| 10-191 |
Reserved |
| 192-254 |
Reserved for Local Use |
| 192 | Perturbed Ensemble Member |
| 255 | Missing |
| Notes: (1) Ensemble members are initialized from different initial conditions. (2) Model physics are perturbed (for example, with methods like SPPT, SPP and SKEB. (3) Combination of 7 and 8. |