Forecast Canadian fire danger indexes

Forecast for 13:00 2016-07-26

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

Station °F RH P24I Wind FFMC DMC DC ISI BUI FWI
Agassiz 79 54 0.11 7 76.7 10.8 162.4 1.5 18.5 2.0
Albert Lea 82 58 0.0 6 86.5 13.7 37.5 4.3 14.3 5.7
Badoura 79 58 0.02 6 86.5 17.0 76.9 4.3 21.9 7.4
Baudette 80 52 0.0 8 87.9 21.1 109.0 5.9 28.4 11.1
Bemidji 81 53 0.07 6 82.9 23.0 166.9 2.7 34.3 6.2
Bigstone 86 46 0.0 9 89.5 23.9 167.1 8.1 35.2 15.9
Brainerd 81 57 0.0 9 84.6 16.7 78.4 4.2 21.8 7.1
Camp Ripley/Little Falls 81 57 0.0 8 87.2 11.9 25.9 5.5 11.8 6.5
Carlos Avery 85 54 0.0 9 87.9 15.6 79.3 6.5 20.9 10.2
Cass Lake 80 61 0.03 6 85.9 24.5 183.0 3.8 36.7 8.8
Cutfoot 79 64 0.04 6 83.5 21.4 86.6 2.8 26.4 5.4
Detroit Lakes 81 57 0.04 6 84.6 15.5 64.1 3.3 19.3 5.3
Effie 79 59 0.04 6 84.3 25.0 167.0 3.2 36.4 7.5
Ely 79 59 0.92 6 61.9 8.9 146.2 0.8 15.4 0.6
Fernberg 80 58 0.16 6 74.0 17.4 196.4 1.2 28.5 2.1
Grand Portage 76 66 0.0 8 87.0 21.3 54.1 5.1 21.5 8.4
Hibbing 80 63 0.09 8 79.1 23.7 121.3 2.0 31.9 4.4
Hill City 79 64 0.04 7 83.8 23.3 82.5 3.2 27.3 6.4
Isabella 79 62 0.37 7 66.1 14.6 134.0 1.0 22.9 1.0
Itasca 81 56 0.05 6 84.4 26.0 210.1 3.1 39.7 7.7
Station °F RH P24I Wind FFMC DMC DC ISI BUI FWI
Kelliher 80 56 0.12 6 77.6 18.3 237.1 1.5 30.6 3.1
Kittson 79 57 0.03 6 85.1 13.9 48.4 3.5 16.2 5.1
Litchfield 83 57 0.0 9 87.1 12.7 46.8 5.8 15.1 7.7
Littlefork 82 53 0.11 8 81.0 23.9 174.9 2.4 35.6 5.8
Meander USFS 80 55 0.63 6 65.8 9.8 115.3 0.9 16.1 0.7
MNS #1 81 56 0.0 9 86.8 15.0 65.3 5.4 19.0 8.3
MN Valley 85 53 0.0 8 88.2 19.7 203.8 6.6 31.8 12.8
Moose Lake 81 56 0.03 8 86.2 17.4 87.1 4.8 23.2 8.3
Mora 82 53 0.0 8 87.8 16.2 48.8 6.2 17.7 8.9
New Ulm Municipal Airport 85 55 0.0 9 88.0 26.3 119.1 6.7 33.9 13.5
Orr 80 54 0.51 6 67.6 13.0 142.4 0.9 21.1 0.9
Redstn 81 55 0.0 12 87.7 19.7 122.4 7.9 28.1 13.9
Rice Lake 82 56 0.03 9 86.3 16.4 75.1 5.1 21.2 8.4
Rochester 84 54 0.0 7 87.5 12.0 45.4 5.2 14.5 6.8
Roseau 79 58 0.0 7 86.2 13.5 93.5 4.3 19.8 6.9
Saginaw 81 55 0.04 8 85.7 23.7 163.8 4.5 34.8 9.9
Seagull Lake 80 54 0.01 7 87.7 24.3 75.4 5.5 26.9 10.2
Sherburne 85 51 0.0 9 88.3 12.4 100.2 6.8 19.0 10.0
Skibo 80 59 0.07 7 81.3 23.8 138.7 2.3 33.3 5.3
Stanton Airfield 84 54 0.0 7 88.3 39.2 351.5 6.0 61.3 17.2
Station °F RH P24I Wind FFMC DMC DC ISI BUI FWI
St. Croix 82 55 0.0 9 87.4 16.6 60.5 6.2 19.7 9.4
Superior #1 78 63 0.04 7 83.8 29.4 156.0 3.2 40.0 8.0
Superior #2 78 60 0.93 6 61.1 8.9 94.0 0.7 14.4 0.5
Voyageurs/Kabnam 80 55 0.03 8 87.1 25.4 139.2 5.4 34.9 11.5

Interpretation

The following chart is a statewide generalized fire danger rating chart for the Canadian Fire Weather Index. It is based on a five class danger rating system, i.e., low, moderate, high, very high , and extreme. The distribution is based on weather records from 1985 - 1998. Low days occurred 45% to 50% of the time, moderate - 30 %, high days - 12% to 15%, very high days occurred 7%-8% of the time, and extreme days were 2%-3%. This is not meant to be used as a staffing guide . Each area needs to look at its own weather data coupled with its fire occurrence data. For instance, if you have a drought code of 380, it does not mean you are in extreme fire danger. It means that the drought code only gets that high on 2% of the days between April 1 and November 1.

Index Low Moderate High Very High Extreme

FFMC

0.0 - 80.9

81.0 - 87.9

88.0 - 90.4

90.5 - 92.4

92.5+

DMC

0.0 - 12.9

13.0 - 27.9

28.0 - 41.9

42.0 - 62.9

63.0+

DC

0.0 - 79.9

80.0 - 209.9

210.0 - 273.9

274.0 - 359.9

360.0+

ISI

0.0 - 3.9

4.0 - 7.9

8.0 - 10.9

11.0 - 18.9

19.0+

BUI

0.0 - 18.9

19.0 - 33.9

34.0 - 53.9

54.0 - 76.9

77.0+

FWI

0.0 - 4.9

5.0 - 13.9

14.0 - 20.9

21.0 - 32.9

33.0+

Definitions

Fine Fuel Moisture Code (FFMC)

This provides a relative indicator of the moisture in the fine fuels. Like the 1 hour fuel moisture, it reacts directly with the air temperature and relative humidity.

Duff Moisture Code (DMC)

This is an index of the moisture of the loosely compact organic layers at a depth of 2-4 inches.

Drought Code (DC)

This measures long term dryness in the fuels. It is a longer term index than the NFDRS 1000 fuel moisture. It doesn't reflect the probability of fire occurrence by itself, but can be useful in predicting the level of mop up needed and the consumption of large fuels. It should be looked at in relation to peat fire starts.

Initial Spread Index (ISI)

This is based on the FFMC and the wind speed. It provides a relative numerical rating of the expected rate of spread. This is similar to the NFDRS Spread Component.

Buildup Index (BUI)

This index is based on the DC and the DMC. It provides a relative indication of the amount of fuel available for combustion. This is somewhat similar to the NFDRS Energy Release Component. It doesn't predict what a given day might be like, but does relate well to the dryness of the fuels.

Fire Weather Index (FWI)

This combines the BUI and the ISI to give a relative numerical rating of fire intensity. It can be compared to the NFDRS Burning Index.