| TABLE 74: FUEL MODEL 13 - 0% SLOPE | TABLE 75: FUEL MODEL 13 - 30% SLOPE | |||||||||||||||
| Mid Flame Wind Speed, mi/h | Mid Flame Wind Speed, mi/h | |||||||||||||||
| 0 | 2 | 4 | 6 | 8 | 10 | 12 | 0 | 2 | 4 | 6 | 8 | 10 | 12 | |||
| 1 Hr. FM | Rate of Spread/Chains per Hour | 1 Hr. FM | Rate of Spread/Chains per Hour | |||||||||||||
| 3 | 2 | 9 | 16 | 24 | 33 | 42 | 51 | 3 | 6 | 12 | 19 | 27 | 36 | 45 | 54 | |
| 6 | 2 | 7 | 13 | 19 | 26 | 33 | 40 | 6 | 4 | 9 | 15 | 22 | 29 | 36 | 43 | |
| 9 | 2 | 6 | 11 | 16 | 22 | 28 | 34 | 9 | 4 | 8 | 13 | 18 | 24 | 30 | 36 | |
| 12 | 1 | 5 | 10 | 14 | 20 | 25 | 30 | 12 | 3 | 7 | 12 | 16 | 21 | 27 | 32 | |
| 15 | 1 | 5 | 9 | 13 | 18 | 22 | 27 | 15 | 3 | 6 | 10 | 15 | 19 | 24 | 29 | |
| 18 | 1 | 4 | 8 | 12 | 16 | 20 | 24 | 18 | 3 | 6 | 9 | 13 | 17 | 22 | 26 | |
| 21 | 1 | 3 | 6 | 9 | 13 | 17 | 21 | 21 | 2 | 5 | 8 | 11 | 15 | 19 | 22 | |
| Flame Lengths/Feet | Flame Lengths/Feet | |||||||||||||||
| 3 | 4.6 | 8.4 | 11.2 | 13.5 | 15.5 | 17.3 | 18.9 | 3 | 6.8 | 9.7 | 12.2 | 14.3 | 16.2 | 17.9 | 19.5 | |
| 6 | 3.9 | 7.1 | 9.5 | 11.5 | 13.2 | 14.7 | 16.1 | 6 | 5.8 | 8.2 | 10.3 | 12.1 | 13.7 | 15.2 | 16.5 | |
| 9 | 3.5 | 6.4 | 8.5 | 10.3 | 11.8 | 13.2 | 14.4 | 9 | 5.2 | 7.4 | 9.2 | 10.9 | 12.3 | 13.6 | 14.8 | |
| 12 | 3.2 | 5.9 | 7.9 | 9.6 | 11 | 12.3 | 13.4 | 12 | 4.8 | 6.9 | 8.6 | 10.1 | 11.5 | 12.7 | 13.8 | |
| 15 | 3.1 | 5.6 | 7.5 | 9 | 10.4 | 11.6 | 12.7 | 15 | 4.6 | 6.5 | 8.2 | 9.6 | 10.8 | 12 | 13.1 | |
| 18 | 2.9 | 5.2 | 7 | 8.5 | 9.7 | 10.8 | 11.9 | 18 | 4.3 | 6.1 | 7.6 | 9 | 10.1 | 11.2 | 12.2 | |
| 21 | 2.6 | 4.7 | 6.3 | 7.6 | 8.7 | 9.7 | 10.6 | 21 | 3.8 | 5.4 | 6.8 | 8 | 9.1 | 10 | 10.9 | |
| * MEANS YOU HIT THE WIND LIMIT | ||||||||||||||||
| TABLE 76: FUEL MODEL 13 - 45% SLOPE | TABLE 77: FUEL MODEL 13 - 60% SLOPE | |||||||||||||||
| Mid Flame Wind Speed, mi/h | Mid Flame Wind Speed, mi/h | |||||||||||||||
| 0 | 2 | 4 | 6 | 8 | 10 | 12 | 0 | 2 | 4 | 6 | 8 | 10 | 12 | |||
| 1 Hr. FM | Rate of Spread/Chains per Hour | 1 Hr. FM | Rate of Spread/Chains per Hour | |||||||||||||
| 3 | 10 | 16 | 23 | 31 | 40 | 49 | 58 | 3 | 15 | 21 | 29 | 37 | 46 | 54 | 63 | |
| 6 | 8 | 13 | 19 | 25 | 32 | 39 | 46 | 6 | 12 | 17 | 23 | 29 | 36 | 43 | 50 | |
| 9 | 6 | 11 | 16 | 21 | 27 | 33 | 39 | 9 | 10 | 14 | 19 | 25 | 31 | 37 | 43 | |
| 12 | 6 | 9 | 14 | 19 | 24 | 29 | 35 | 12 | 9 | 13 | 17 | 22 | 27 | 32 | 38 | |
| 15 | 5 | 9 | 13 | 17 | 22 | 26 | 31 | 15 | 8 | 12 | 16 | 20 | 25 | 29 | 34 | |
| 18 | 5 | 8 | 11 | 15 | 19 | 24 | 28 | 18 | 7 | 10 | 14 | 18 | 22 | 26 | 31 | |
| 21 | 4 | 7 | 10 | 13 | 17 | 20 | 24 | 21 | 6 | 9 | 12 | 15 | 19 | 23 | 26 | |
| Flame Lengths/Feet | Flame Lengths/Feet | |||||||||||||||
| 3 | 8.8 | 11.1 | 13.3 | 15.2 | 17 | 18.6 | 20.1 | 3 | 10.9 | 12.8 | 14.7 | 16.4 | 18.1 | 19.6 | 21 | |
| 6 | 7.5 | 9.4 | 11.3 | 12.9 | 14.4 | 15.8 | 17.1 | 6 | 9.2 | 10.8 | 12.4 | 13.9 | 15.3 | 16.6 | 17.8 | |
| 9 | 6.7 | 8.4 | 10.1 | 11.6 | 12.9 | 14.2 | 15.3 | 9 | 8.3 | 9.7 | 11.1 | 12.5 | 13.7 | 14.9 | 16 | |
| 12 | 6.2 | 7.9 | 9.4 | 10.8 | 10.8 | 13.2 | 14.3 | 12 | 7.7 | 9 | 10.4 | 11.6 | 12.8 | 13.9 | 14.9 | |
| 15 | 5.9 | 7.4 | 8.9 | 10.2 | 11.4 | 12.5 | 13.5 | 15 | 7.3 | 8.5 | 9.8 | 11 | 12.1 | 13.1 | 14.1 | |
| 18 | 5.5 | 6.9 | 8.3 | 9.5 | 10.6 | 11.7 | 12.6 | 18 | 6.8 | 8 | 9.2 | 10.3 | 11.3 | 12.3 | 13.2 | |
| 21 | 4.9 | 6.2 | 7.4 | 8.5 | 9.5 | 10.4 | 11.3 | 21 | 6.1 | 7.1 | 8.2 | 9.2 | 10.1 | 11 | 11.8 | |
| * MEANS YOU HIT THE WIND LIMIT | * MEANS YOU HIT THE WIND LIMIT | |||||||||||||||
| TABLE 78: FUEL MODEL 13 - 90% SLOPE | Fuel Model 13: Timber Group | |||||||||||||||
| Mid Flame Wind Speed, mi/h | West coast Douglas-fir clearcut, quantity of cull high. | |||||||||||||||
| 0 | 2 | 4 | 6 | 8 | 10 | 12 | High productivity of cedar-fir stand can result in large | |||||||||
| 1 Hr. FM | Rate of Spread/Chains per Hour | quantities of slash with high fire potential. | ||||||||||||||
| 3 | 31 | 37 | 45 | 53 | 62 | 70 | 79 | |||||||||
| 6 | 25 | 30 | 36 | 42 | 49 | 56 | 63 | |||||||||
| 9 | 21 | 25 | 30 | 36 | 41 | 47 | 53 | = >8 ft. Flame Length | ||||||||
| 12 | 19 | 22 | 27 | 32 | 37 | 42 | 47 | = 4 - 8 ft. Flame Length | ||||||||
| 15 | 17 | 20 | 24 | 29 | 33 | 38 | 43 | = 0 - 4 ft. Flame Length | ||||||||
| 18 | 15 | 18 | 22 | 26 | 30 | 34 | 38 | |||||||||
| 21 | 13 | 16 | 19 | 22 | 26 | 29 | 33 | |||||||||
| Flame Lengths/Feet | ||||||||||||||||
| 3 | 15.2 | 16.5 | 17.9 | 19.4 | 20.7 | 22.1 | 23.3 | |||||||||
| 6 | 12.9 | 14 | 15.2 | 16.4 | 17.6 | 18.7 | 19.8 | |||||||||
| 9 | 11.5 | 12.5 | 13.6 | 14.7 | 15.8 | 16.8 | 17.7 | |||||||||
| 12 | 10.7 | 11.7 | 12.7 | 13.7 | 14.7 | 15.6 | 16.5 | |||||||||
| 15 | 10.2 | 11.1 | 12 | 13 | 13.9 | 14.8 | 15.6 | |||||||||
| 18 | 9.5 | 10.3 | 11.2 | 12.1 | 13 | 13.8 | 14.6 | |||||||||
| 21 | 8.5 | 9.2 | 10.1 | 10.9 | 11.6 | 12.4 | 13.1 | |||||||||
| * MEANS YOU HIT THE WIND LIMIT | ||||||||||||||||