Date and Time of Avalanche Avalanche Type Trigger Sizesort descending Starting Elevation Aspect Number of avalanches
12/10/2017 - 14:15
Forecaster Observation - Mt. Stanton, Glacier National Park
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
12/20/2019 - 18:45
Essex Creek
Soft Slab Natural D1 Between 5,000 and 6,500 ft North 5
04/04/2019 - 12:00
Doris Ridge
Soft Slab Snowboarder
Accidentally Triggered
D1 , R1 Above 6,500 ft Northeast 1
03/27/2018 - 12:45
Forecaster Observation - Skiumah Lake, Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft North 1
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor
Loose Dry/ Sluff Natural D1 , R1 South 5
01/01/2020 - 13:00
Forecaster Observation - Lake McDonald Area
Soft Slab Skier
Intentionally Triggered
D1 , R4 Above 6,500 ft East 2
01/11/2019 - 17:15
Forecaster Observation-Mt Brown, GNP
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft 1
04/08/2018 - 13:00
Forecaster Observation - Peak 6996, GNP
Soft Slab Rollerballs D1 Between 5,000 and 6,500 ft East 1
02/12/2020 - 13:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1 , R1 Below 5,000 ft South 3
01/24/2020 - 10:15
Forecaster Observation - Southern Whitefish Range
Wet Loose Natural D1 , R1 Below 5,000 ft Southwest 1
01/07/2020 - 13:30
Forecaster Observation: Swan Range, East Side
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 1
02/01/2018 - 13:45
Forecaster Observation - Skiumah Lake, Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
11/12/2018 - 19:15
Great Northern, Flathead Range
Soft Slab Skier D1 , R1 Above 6,500 ft Northwest 1
01/30/2020 - 11:00
Cascadilla Creek
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southeast 1
01/11/2020 - 10:45
Forecaster Observation- Flathead Range
Loose Dry/ Sluff Natural D1 , R2 Below 5,000 ft Northeast 8
01/27/2019 - 12:45
Forecaster Observation - Mt. Brown
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 6,300 Southeast 1
02/01/2020 - 12:00
Forecaster Observation - Flathead Range
Wet Loose Natural D1 , R2 Between 5,000 and 6,500 ft 4
01/12/2019 - 12:00
Forecaster Observation - Marion Lake
Wet Loose Natural D1 Above 6,500 ft Southeast 1
04/08/2018 - 16:30
Forecaster Observation - Peak 6996, GNP
Soft Slab Skier
Cornice Fall Triggered
D1 Above 6,500 ft Northeast 1
02/12/2020 - 15:00
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Below 5,000 ft East 5

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