Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
02/06/2019 - 12:45
Forecaster Observation - Mt. Brown, GNP
Loose Dry/ Sluff Natural D1 , R1 1
12/20/2019 - 13:30
Upper Holland Lake
Hard Slab Natural
Cornice Fall Triggered
D3 Above 6,500 ft 2
01/15/2020 - 14:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier D1 4
02/20/2019 - 05:30
Marion Lake
1
04/07/2020 - 14:45
Forecaster Observation
Cornice Natural D2 1
03/02/2022 - 07:00
Great Bear Wilderness - South Fork Dickey Creek
Wet Loose D2 Above 6,500 ft 20
Jewel Basin yurt 1
Dorothy 1
03/16/2020 - 13:30
Gunsight, GNP
Wet Loose Natural D1.5 10
12/13/2019 - 10:00
Forecaster Observation - Southern Whitefish Range
Soft Slab AE D1.5 Between 5,000 and 6,500 ft 2
04/07/2018 - 13:30
Forecaster Observation - Mt Furlong, Flathead Range
1
Northern Livingston Range 1
Southern Whitefish Range 1
03/22/2019 - 17:30
Glacier Park Traverse
Wet Slab D3 1
12/28/2017 - 11:45
Forecaster Observation - Spider Bowl, Swan Range
Soft Slab Natural D1.5 , R1 Above 6,500 ft 1
WMR Sidecountry 1
Skyland 1
02/17/2018 - 20:00
Forecaster Observation - Grant Ridge, Flathead Range
Soft Slab Natural D2 Above 6,500 ft 1
03/19/2019 - 17:15
JFS Canyon
Wet Slab Natural D3 , R3 Between 5,000 and 6,500 ft 1
05/22/2022 - 14:30
Upper Going-to-the-Sun Road
Wet Loose Natural D2 Above 6,500 ft 15

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