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Observed National Fire Danger Rating System indexes

Updated 13:00 2016-06-24

**Local agency personnel should contact MIFC Fire Intelligence if errors or omissions are observed.**

Station WS Woody FM Herb. FM 1-Hr FM 10-Hr FM 100-Hr FM 1000-Hr FM MSGC IC SC ERC BI SL Rating
Agassiz 10 159 176 7 9 16 20 7G1P3 18 5 24 29 5 High
7L1P3 4 2 0 2 1 Low
7Q1P3 12 4 25 26 3 Moderate
Badoura 7 146 122 6 8 15 19 7G1P3 18 4 28 28 5 High
7J1P3 25 12 127 86 3 Moderate
7L1P3 5 2 0 3 1 Low
7Q1P3 15 6 28 31 3 Moderate
Baudette 10 161 135 6 8 15 21 7G1P3 24 6 26 31 5 Very High
7J1P3 32 17 127 103 5 Very High
7L1P3 5 2 0 3 1 Low
7Q1P3 15 5 28 30 3 Moderate
Bemidji 11 70 7 7 8 14 18 7G1P3 27 12 32 48 5 Very High
7L1P3 30 90 3 41 3 Moderate
7Q1P3 31 31 42 81 4 High
Bigstone 13 118 92 7 8 13 16 7G1P3 27 11 37 48 5 Very High
7L1P3 21 40 2 20 2 Moderate
Brainerd 11 141 147 9 10 14 18 7E1P3 13 6 13 22 2 Low
7G1P3 12 6 29 33 5 High
7L1P3 2 2 0 2 1 Low
7Q1P3 8 5 24 28 3 Moderate
Station WS Woody FM Herb. FM 1-Hr FM 10-Hr FM 100-Hr FM 1000-Hr FM MSGC IC SC ERC BI SL Rating
Camp Ripley/Little Falls 14 136 120 7 9 13 18 7G1P3 23 10 32 42 5 Very High
7J1P3 28 22 129 117 3 Moderate
7L1P3 4 2 0 3 1 Low
7Q1P3 18 12 28 43 3 Moderate
Carlos Avery 7 70 116 9 11 15 19 7G1P3 11 5 27 29 5 High
7L1P3 3 2 0 2 1 Low
7N1P3 13 41 17 61 3 Moderate
7Q1P3 13 14 29 47 3 Moderate
Cass Lake 9 144 121 8 9 14 19 7C1P3 7 1 4 6 3 Moderate
7G1P3 15 6 28 31 2 Low
7N1P3 15 33 15 53 5 High
7Q1P3 9 5 25 27 2 Low
Cutfoot 5 162 140 7 9 15 21 7C1P3 5 1 4 4 2 Low
7G1P3 12 3 24 21 1 Low
7N1P3 11 15 15 37 3 Moderate
7Q1P3 7 2 25 19 1 Low
Detroit Lakes 14 133 107 7 8 13 17 7G1P3 27 11 33 45 5 Very High
7L1P3 12 13 1 8 1 Low
7Q1P3 24 17 32 54 4 High
Effie 12 157 129 7 8 15 20 7G1P3 22 8 26 34 5 Very High
7L1P3 4 2 0 3 1 Low
7Q1P3 13 6 26 30 3 Moderate
Station WS Woody FM Herb. FM 1-Hr FM 10-Hr FM 100-Hr FM 1000-Hr FM MSGC IC SC ERC BI SL Rating
Ely 11 157 171 7 8 16 20 7G1P3 20 6 25 31 3 Moderate
7I1P3 28 26 198 154 3 Moderate
7Q1P3 12 5 26 28 3 Moderate
Fernberg 6 133 142 7 7 11 18 7G1P3 15 4 35 28 3 Moderate
7H1P3 15 1 18 11 3 Moderate
7Q1P3 14 6 33 34 2 Low
7I1P2 21 15 244 131 4 High
Grand Portage 7 176 224 5 7 14 22 7G1P3 19 3 23 23 3 Moderate
7I1P3 31 19 211 136 3 Moderate
7Q1P3 13 3 28 23 2 Low
Hibbing 9 164 155 7 9 16 21 7G1P3 16 5 23 27 5 High
7J1P3 22 14 113 89 3 Moderate
7L1P3 3 2 0 2 1 Low
7Q1P3 10 4 24 25 3 Moderate
Hill City 12 162 154 8 10 16 21 7G1P3 15 7 23 31 0
7L1P3 3 2 0 2 1 Low
7N1P3 16 39 14 55 3 Moderate
7Q1P3 9 5 23 27 3 Moderate
Isabella 7 176 246 7 8 14 22 7G1P3 14 3 22 21 3 Moderate
7I1P3 22 17 194 125 3 Moderate
7Q1P3 9 3 26 22 2 Low
Station WS Woody FM Herb. FM 1-Hr FM 10-Hr FM 100-Hr FM 1000-Hr FM MSGC IC SC ERC BI SL Rating
Itasca 8 148 128 7 8 14 19 7G1P3 18 5 28 29 5 High
7L1P3 4 2 0 3 1 Low
7Q1P3 13 5 27 30 3 Moderate
Kelliher 7 139 104 8 10 15 18 7G1P3 12 5 29 29 5 High
7L1P3 5 5 0 5 1 Low
7Q1P3 10 6 26 30 3 Moderate
Kittson 11 152 135 7 9 15 20 7E1P3 22 7 15 25 2 Moderate
7G1P3 20 7 27 33 5 Very High
7L1P3 4 2 0 3 1 Low
7Q1P3 12 5 26 29 3 Moderate
Litchfield 9 70 143 11 12 14 19 7G1P3 8 6 26 29 5 High
7L1P3 1 1 0 1 1 Low
7N1P3 11 54 15 65 3 Moderate
Littlefork 9 156 124 7 9 15 20 7E1P3 19 5 15 23 2 Low
7G1P3 18 6 26 30 5 High
7L1P3 4 2 0 3 1 Low
7Q1P3 11 4 26 26 3 Moderate
Meander USFS 5 132 109 6 7 12 17 7G1P3 17 4 35 28 3 Moderate
7I1P3 22 13 245 125 3 Moderate
7Q1P3 16 7 35 37 3 Moderate
Station WS Woody FM Herb. FM 1-Hr FM 10-Hr FM 100-Hr FM 1000-Hr FM MSGC IC SC ERC BI SL Rating
MN Valley 8 136 99 10 11 15 18 7E1P3 11 5 13 21 3 Moderate
7G1P3 10 5 28 30 5 High
7N1P3 10 28 13 45 3 Moderate
7Q1P3 7 5 23 26 3 Moderate
Moose Lake 7 148 139 6 8 14 19 7E1P3 19 4 16 20 2 Low
7G1P3 18 4 29 28 5 High
7L1P3 5 2 0 3 1 Low
7Q1P3 14 5 29 30 3 Moderate
Mora 9 134 120 8 9 14 18 7G1P3 14 6 31 32 5 High
7L1P3 3 2 0 2 1 Low
7Q1P3 10 6 26 31 3 Moderate
Orr 8 152 120 6 8 14 20 7E1P3 22 5 16 23 2 Moderate
7G1P3 20 5 28 30 5 Very High
7L1P3 5 2 0 3 1 Low
7Q1P3 15 6 29 32 3 Moderate
Redstn 5 70 107 7 8 14 17 7G1P3 17 4 33 29 5 High
7L1P3 10 8 1 7 1 Low
Rice Lake 8 152 153 7 8 15 20 7G1P3 17 5 27 28 5 High
7L1P3 4 2 0 2 1 Low
7N1P3 18 28 16 50 3 Moderate
7Q1P3 11 4 26 25 3 Moderate
Station WS Woody FM Herb. FM 1-Hr FM 10-Hr FM 100-Hr FM 1000-Hr FM MSGC IC SC ERC BI SL Rating
Roseau 12 170 151 7 9 15 22 7E1P3 22 7 15 25 2 Moderate
7G1P3 20 7 23 31 5 Very High
7L1P3 4 2 0 2 1 Low
7Q1P3 12 5 25 28 3 Moderate
Saginaw 6 160 150 7 9 14 21 7E1P3 14 3 15 17 2 Low
7G1P3 14 3 25 23 5 High
7L1P3 4 2 0 2 1 Low
7Q1P3 9 3 26 21 3 Moderate
Seagull Lake 4 160 192 6 8 14 21 7G1P3 13 2 26 20 3 Moderate
7I1P3 20 11 212 106 3 Moderate
7Q1P3 8 2 28 19 2 Low
Sherburne 7 154 140 10 11 15 20 7E1P3 9 3 12 17 2 Low
7G1P3 9 4 24 24 5 High
7N1P3 9 20 12 38 2 Low
7Q1P3 5 3 22 21 3 Moderate
Skibo 4 154 131 7 8 15 20 7G1P3 12 3 26 21 3 Moderate
7I1P3 17 11 204 103 2 Low
7Q1P3 8 2 26 20 2 Low
St. Croix 5 133 118 7 8 14 18 7G1P3 15 3 32 26 3 Moderate
7J1P3 20 8 133 76 3 Moderate
7L1P3 5 2 0 3 1 Low
7Q1P3 13 5 30 31 3 Moderate
Station WS Woody FM Herb. FM 1-Hr FM 10-Hr FM 100-Hr FM 1000-Hr FM MSGC IC SC ERC BI SL Rating
Voyageurs/Kabnam 7 163 176 7 8 15 21 7G1P3 15 4 25 24 3 Moderate
7Q1P3 9 3 26 23 3 Moderate
7R1P3 8 0 7 4 1 Low
7U1P3 14 2 20 16 2 Low

Definitions

MSGC

Indicates the fuel model, slope class, grass type, and climate class. For example, 7L1P3 indicates the 1978 version of the fuel model L, slope class 1, perennial grass, and climate class 3.

Wind Speed (WS)

Wind speed measured at a height of 20 feet, averaged over a 10-minute period.

Woody Fuel Moisture (Woody FM)

Fuel moisture in live woody vegetation.

Herbaceous Fuel Moisture (Herb. FM)

Fuel moisture in live herbaceous vegetation.

Ignition Component (IC)

Ignition Component relates the probability that a fire requiring suppression action will result if a firebrand is introduced into a fine fuel complex. The ignition component can range from 0 when conditions are cool and damp, to 100 on days when the weather is dry and windy. Theoretically, on a day when the ignition component registers a 60, approximately 60% of all fire brands that come into contact with wildland fuels will require suppression action.

Spread Component (SC)

Spread Component (SC) is the forward rate of spread at the head of the fire in feet per minute in a given fuel model. The inputs required to calculate the SC are wind speed, slope, fine fuel moisture (including the effects of green herbaceous plants), and the moisture content of the foliage and twigs of living, woody plants.

Energy Release Component (ERC)

Energy Release Component is a calculated field which provides a relative index of the amount of heat (in BTUs) per unit area (ft2) within the flaming front at the head of a fire. The ERC is very sensitive to fuel model characteristics - loading, compaction, particle size, heat of combustion and mineral content. The condition of the larger fuels has a greater influence on the ERC than the finer fuels. The scale for ERC values is open ended.

Burning Index (BI)

Burning Index relates the potential amount of effort needed to contain a single fire in a particular fuel type. Dividing Burning Index by 10 gives an approximate estimate of flame length in feet at the head of a fire. Burning Index is fuel model dependent.

1/10/100/1000-Hour Fuel Moisture

Dead fuel moisture content in fuel that takes the given number of hours to lose or gain 63% of the difference between the dead fuel itself and the surrounding atmosphere.

Staffing Level (SL)