Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
12/08/2020 - 14:00
Center Gully, Mt. Brown.
Wet Loose Natural D1 1
01/29/2020 - 15:00
Stanton
Natural D1.5 , R1 Between 5,000 and 6,500 ft 2
01/11/2019 - 17:15
Forecaster Observation-Mt Brown, GNP
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft 1
02/06/2021 - 14:30
Avalanche Accident: Whitefish Divide (snowmobiler caught and carried)
Soft Slab Snowmobiler
Accidentally Triggered
1
02/14/2018 - 23:30
Forecaster Observation - Wahoo, Rescue Creeks, Flathead Range
Loose Dry/ Sluff Natural D1.5 , R1 1
03/21/2019 - 05:00
Haskill Slide
Wet Slab Snowboarder
Accidentally Triggered
D2.5 , R3 Between 5,000 and 6,500 ft 1
12/30/2017 - 08:15
Forecaster Observation - WMR accessed backcountry, Whitefish Range
Soft Slab Natural D1.5 , R2 1
04/27/2021 - 12:00
Going-to-the-Sun Road
Wet Loose Natural D1.5 Above 6,500 ft 15
GNP 1
01/20/2019 - 17:45
Jewel Basin, Swan Range
1
01/13/2021 - 01:15
Southern Whitefish Range
Soft Slab Natural D2 , R4 Between 5,000 and 6,500 ft 30
04/09/2020 - 14:15
Forecaster Observation - Central Swan Range
Wet Loose Natural D2.5 Above 6,500 ft 20
03/07/2018 - 12:45
Forecaster Observation- McDonald Creek, GNP
Wet Loose Natural D1 , R1 1
02/08/2020 - 14:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft 5
03/12/2018 - 18:00
Forecaster Observation - Highway 2 and Lake McDonald
1
03/20/2019 - 17:15
JFS Canyon
Wet Slab Natural D3 , R3 Between 5,000 and 6,500 ft 1
02/04/2018 - 12:15
Pioneer Ridge
Soft Slab Snowmobiler D1 , R1 1
03/17/2019 - 15:15
BNSF Avalanche Program-JFS Canyon
Wet Loose D2 Between 5,000 and 6,500 ft 1
03/28/2021 - 12:00
Swan Range
Soft Slab Natural D1.5 , R2 6
12/31/2018 - 22:00
Marion Lake, Flathead Range
1

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