Date and Time of Avalanche Avalanche Type Trigger Sizesort ascending Starting Elevation Aspect Number of avalanches
02/20/2020 - 12:00
Choteau Mountain, Rocky Mountain Front
Unknown Natural D3 , R4 Above 6,500 ft East 1
02/01/2020 - 09:30
Forecaster Observation - Flathead Range
Soft Slab Natural D3 , R3 Above 6,500 ft 3
03/21/2019 - 15:00
Forecaster Observation- Road Observations
Wet Loose Natural D3 Between 5,000 and 6,500 ft Southwest 1
01/13/2018 - 06:00
Forecaster Observation - Wahoo Creek, Flathead Range
Hard Slab Natural D3 , unknown Above 6,500 ft Northeast 1
01/14/2020 - 12:00
Forecaster Observation - Flathead Range
Hard Slab Natural D3 , R3 Above 6,500 ft Northeast 1
03/21/2019 - 15:00
Swan Range
Wet Slab Natural D3 , R3 1
02/01/2020 - 09:30
Forecaster Observation - Flathead Range
Wet Slab Natural D3 , R3 Between 5,000 and 6,500 ft Northwest 1
01/05/2019 - 15:45
Forecaster Observation - South Waldron Creek, north of Teton Peak
Hard Slab Snowmobiler
Accidentally Triggered
D3 , R3 7850 East 1
12/08/2019 - 09:00
Avalanche Lake
Unknown Natural D3 , R3 Between 5,000 and 6,500 ft Northeast 3
01/13/2020 - 08:00
Forecaster Observation - Flathead Range
Hard Slab Natural D3 , R3 Above 6,500 ft Northeast 1
04/05/2019 - 17:00
Forecaster Observation - Glacier Park
Wet Slab Natural D3 Above 6,500 ft Northwest 1
12/09/2018 - 03:30
Forecaster Observation - Mt. Adams, Flathead Range
Hard Slab Natural D3 , R4 7400 Southeast 1
03/18/2018 - 01:00
Kupunkamint Mountain
Soft Slab Natural D3 , R3 8400 feet South 1
03/21/2019 - 13:15
Forecaster Observation - Flathead Range
Wet Loose Natural D3 , R3 1
01/23/2020 - 14:30
Teton Pass winter sports area
Hard Slab AE (large ANFO)
Intentionally Triggered
D3 , R3 Above 6,500 ft East 1
01/26/2018 - 03:30
Rescue Creek - Flathead Range
Hard Slab Unknown D3 , R3 Between 5,000 and 6,500 ft North 1
02/01/2020 - 09:30
Forecaster Observation - Flathead Range
Unknown Natural D3 , R3 2
03/17/2019 - 14:45
Forecaster Observation - Rescue Creek, Flathead Range
Wet Loose Natural D3 , R2 6600' Southeast 1
01/10/2018 - 20:45
Forecaster Observation - Red Meadow, Northern Whitefish Range
Hard Slab Natural D3 , R3 Above 6,500 ft 1
02/12/2019 - 23:45
Forecaster Observation - Nyack Mtn, Flathead Range
Soft Slab Natural D3 , R3 Above 6,500 ft West 1

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