Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
03/16/2018 - 12:30
Glacier National Park
Wet Loose Natural D1.5 , R1 1
Forecaster Observation - Flathead Range 1
04/03/2018 - 12:15
Dickey Creek
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft 1
12/19/2017 - 16:15
Forecaster Observation - Middle Fork Corridor
Soft Slab Natural D2 , R2 Between 5,000 and 6,500 ft 1
04/11/2018 - 14:00
JFS Canyon and Essex area, Flathead Range
Wet Loose Natural D2 Between 5,000 and 6,500 ft 1
01/01/2018 - 21:45
Cascade, Flathead Range
1
03/21/2020 - 13:15
tunnel
Wet Loose Natural D1 3
02/27/2018 - 07:15
Apgar Range
Soft Slab Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft 1
01/12/2018 - 01:00
Forecaster Observation - Nyack Mountain, Flathead Range
1
02/01/2020 - 12:00
Forecaster Observation - Flathead Range
Wet Loose Natural D1 , R2 Between 5,000 and 6,500 ft 4
Swan Range: North of Strawberry Lake/South of Hash Mountain 1
03/28/2020 - 13:00
Forecaster Observation - Northern Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft 4
02/12/2019 - 14:15
Forecaster Observation - Stanton Lake, Flathead Range
Soft Slab Skier D1 , R1 Between 5,000 and 6,500 ft 1
03/15/2018 - 18:45
Glacier National Park
Soft Slab Natural D1 , R1 1
04/04/2019 - 19:00
penrose/skiumah
1
North Trees - Below North Shoulder 1
BNSF Avalanche Safety - Running Rabbit Mtn GNP 1
Stryker Ridge 1
Crystal Ck 1
01/06/2019 - 19:15
Marion lake
1

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