| TABLE 12: Probability of Ignition Table | |||||||||||||||||
| Shading (%) | Dry-bulb Temp. (F) | FINE DEAD FUEL MOISTURE (PERCENT) | |||||||||||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | ||
| Unshaded < 50% | 110+ | 100 | 100 | 80 | 70 | 60 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 20 | 10 |
| 100-109 | 100 | 90 | 80 | 70 | 60 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | |
| 90-99 | 100 | 90 | 80 | 70 | 60 | 50 | 40 | 40 | 30 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | |
| 80-89 | 100 | 90 | 80 | 70 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | |
| 70-79 | 100 | 80 | 70 | 60 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | |
| 60-69 | 90 | 80 | 70 | 60 | 50 | 50 | 40 | 30 | 30 | 20 | 20 | 20 | 20 | 10 | 10 | 10 | |
| 50-59 | 90 | 80 | 70 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | 10 | |
| 40-49 | 90 | 80 | 70 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | 10 | |
| 30-39 | 80 | 70 | 60 | 50 | 50 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | 10 | 10 | |
| Shaded > 50% | 110+ | 100 | 90 | 80 | 70 | 60 | 50 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 |
| 100-109 | 100 | 90 | 80 | 70 | 60 | 50 | 50 | 40 | 30 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | |
| 90-99 | 100 | 90 | 80 | 70 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | |
| 80-89 | 100 | 80 | 70 | 60 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | |
| 70-79 | 90 | 80 | 70 | 60 | 50 | 50 | 40 | 30 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | |
| 60-69 | 90 | 80 | 70 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | 10 | |
| 50-59 | 90 | 80 | 70 | 60 | 50 | 40 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | 10 | |
| 40-49 | 90 | 80 | 60 | 50 | 50 | 40 | 30 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | 10 | |
| 30-39 | 80 | 80 | 60 | 50 | 50 | 40 | 30 | 30 | 20 | 20 | 20 | 10 | 10 | 10 | 10 | 10 | |
| PI > 70% HIGH PROBABILITY OF SPOT FIRES | |||||||||||||||||