Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevationsort descending Aspect Number of avalanches
12/22/2020 - 01:00
Forecaster Observation - Flathead Range
Wet Loose Natural D2 Between 5,000 and 6,500 ft East 5
12/30/2018 - 04:30
Forecaster Observation - Mt. Adams, Flathead Range
Hard Slab Natural D2 , R3 Between 5,000 and 6,500 ft Southeast 1
02/01/2020 - 12:00
Forecaster Observation - Glacier National Park
Wet Loose Natural D2 Between 5,000 and 6,500 ft South 5
02/25/2020 - 13:45
Forecaster Observation- Swan Range
Loose Dry/ Sluff Natural D1.5 , R1 Between 5,000 and 6,500 ft West 1
01/07/2019 - 13:30
Marion Lake
Loose Dry/ Sluff Skier
Accidentally Triggered
D1.5 Between 5,000 and 6,500 ft South 1
04/20/2020 - 12:00
Flathead Range
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 5
12/08/2019 - 03:30
Forecaster Observation: Lake McDonald Area
Unknown Natural D2.5 , R2 Between 5,000 and 6,500 ft Northwest 2
04/04/2020 - 11:00
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft East 10
01/11/2020 - 21:30
BNSF Avalanche Safety - Running Rabbit Mtn. GNP
Soft Slab Unknown D2 , R3 Between 5,000 and 6,500 ft South 2
01/13/2020 - 02:00
Forecaster Observation - Flathead Range
Unknown Natural D2 , R3 Between 5,000 and 6,500 ft Southeast 3
12/13/2019 - 08:45
Forecaster Observation - Northern Flathead Range
Soft Slab Natural D2 , R2 Between 5,000 and 6,500 ft East 1
04/01/2020 - 00:45
Flathead Range
Soft Slab Natural D2 , R2 Between 5,000 and 6,500 ft Northwest 4
12/05/2020 - 13:15
Lake Evangeline
Loose Dry/ Sluff Natural D1.5 , R1 Between 5,000 and 6,500 ft Southwest 6
02/11/2020 - 12:15
Central Glacier Park
Loose Dry/ Sluff Natural D1.5 , R2 Between 5,000 and 6,500 ft South 10
02/01/2018 - 12:00
Forecaster Observation - Spider Bowl, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 1
03/19/2019 - 15:00
Skook Chutes
Wet Slab Natural D2 , R2 Between 5,000 and 6,500 ft South 1
Kona Soft Slab Snowboarder
Accidentally Triggered
D1.5 , R2 Between 5,000 and 6,500 ft North 1
12/19/2020 - 14:15
WMR sidecountry
Soft Slab Skier D2 , R2 Between 5,000 and 6,500 ft Northeast 1
02/17/2020 - 13:30
BNSF Avalanche Safety - Snowslip Mtn. GNP
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft East 4
01/01/2020 - 16:00
Forecaster Observation - Southern Whitefish Range
Soft Slab Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Southwest 2

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