| Code Figure |
Meaning |
|---|---|
| 0 |
No Risk Area |
| 1 |
Reserved |
| 2 |
General Thunderstorm Risk Area |
| 3 |
Reserved |
| 4 |
Slight Risk Area |
| 5 |
Reserved |
| 6 |
Moderate Risk Area |
| 7 |
Reserved |
| 8 |
High Risk Area |
| 9-10 |
Reserved |
| 11 |
Dry Thunderstorm (Dry Lightning) Risk Area |
| 12-13 |
Reserved |
| 14 |
Critical Risk Area |
| 15-17 |
Reserved |
| 18 | Extreamly Critical Risk Area |
| 19-191 | Reserved |
| 192-254 |
Reserved for Local Use |
| 255 | Missing |