Date and Time of Avalanche Avalanche Type Trigger Sizesort descending Starting Elevation Aspect Number of avalanches
12/31/2020 - 12:00
Forecaster Observation: Southern Glacier Park
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 4
03/24/2021 - 12:00
Forecaster Observation: Southern Whitefish Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 6
01/19/2020 - 14:45
Forecaster Observation - Apgar Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 5
04/04/2020 - 11:00
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft East 10
03/03/2020 - 12:15
Forecaster observation - northern Whitefish range
Wet Loose Natural D1 , R1 6200 West 6
03/16/2018 - 16:15
Forecaster Observation - Canyon Creek, southern Whitefish Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft South 1
01/01/2020 - 13:00
Hellroaring Basin
Soft Slab Explosive D1 , R2 Between 5,000 and 6,500 ft West 4
01/06/2019 - 12:45
Forecaster Observation - Marion Lake, Flathead Range
Soft Slab Natural D1 , R1 Above 6,500 ft East 1
03/14/2020 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Natural D1 15
04/06/2018 - 12:00
Forecaster Observation - Mt. Stanton, GNP
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Southwest 1
04/14/2021 - 18:00
Forecaster Observation - Middle Fork
Wet Loose Natural D1 , R1 Above 6,500 ft Northeast 3
12/17/2020 - 12:00
Forecaster Observation: Southern Whitefish Range
Soft Slab Skier D1 Above 6,500 ft Northeast 3
01/07/2020 - 12:30
Forecaster Observation - WMR Sidecountry
Soft Slab Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Northeast 8
11/21/2019 - 12:00
Forecaster Observation: Central Swan Range
Loose Dry/ Sluff Natural D1 Above 6,500 ft 4
02/20/2020 - 13:30
Forecaster Observation- Flathead Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft South 10
12/22/2020 - 02:00
Forecaster Observation: Middle Fork
Wet Loose Natural D1 Between 5,000 and 6,500 ft Southeast 3
01/23/2019 - 13:15
Forecaster Observation- Canyon Creek, Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft 1
12/12/2019 - 14:00
Forecaster Observation - Swan Range (west side access)
Cornice Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Northeast 2
12/06/2018 - 11:00
Forecaster Observation - Rescue Creek and Skiumah Creek
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft Southeast 1
02/25/2020 - 13:30
Forecaster Observation: Southern Glacier Park
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 3

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