Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevationsort descending Aspect Number of avalanches
02/17/2018 - 23:15
Spider Bowl 		Soft Slab Natural D2 1
Big Slide 1
01/13/2021 - 01:30
Forecaster Observation: Middle Fork Corridor 		Wet Loose Natural D2 , R2 20
Flathead Range 1
02/01/2020 - 12:00
Forecaster Observation - Flathead Range 		Wet Loose Natural D2 , R2 Southeast 2
03/07/2019 - 12:15
Cat Creek 		Soft Slab Natural D2 , R3 South 1
02/22/2021 - 13:00
Glacier National Park 		Wet Slab Natural D4 , R4 1
03/10/2018 - 12:15
Forecaster Observation- Mt Stanton, GNP 		Wet Loose Natural D1 , R1 1
03/30/2019 - 22:15
Essex Creek 		1
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor 		Loose Dry/ Sluff Natural D1 , R1 South 5
11/12/2020 - 12:45
Snyder Lake - GNP 		Loose Dry/ Sluff Natural D1.5 Northwest 1
03/16/2018 - 12:30
Glacier National Park 		Wet Loose Natural D1.5 , R1 1
Forecaster Observation - Flathead Range 1
03/26/2018 - 17:30
Mt. Stanton 		Wet Slab D3 , R3 South 1
01/01/2018 - 21:45
Cascade, Flathead Range 		1
03/21/2020 - 13:15
tunnel 		Wet Loose Natural D1 3
01/12/2018 - 01:00
Forecaster Observation - Nyack Mountain, Flathead Range 		1
Swan Range: North of Strawberry Lake/South of Hash Mountain 1
12/13/2018 - 10:15
Whitefish Mountain Resort 		Hard Slab Skier
Intentionally Triggered 		D1.5 , R4 East 1
03/15/2018 - 18:45
Glacier National Park 		Soft Slab Natural D1 , R1 1

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