Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
02/16/2019 - 22:30
Forecaster Observation - backcountry adjacent to WMR
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft West 1
02/09/2020 - 15:00
Forecaster Observation - JFS Canyon
Soft Slab Skier
Accidentally Triggered
D1 , R2 5100 West 1
03/18/2019 - 07:30
Forecaster Observation - Lake McDonald, GNP
Wet Loose Natural D3 West 1
02/25/2020 - 13:45
Forecaster Observation- Swan Range
Loose Dry/ Sluff Natural D1.5 , R1 Between 5,000 and 6,500 ft West 1
02/09/2020 - 14:45
Forecaster Observation - JFS Canyon
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5650 West 2
03/28/2022 - 12:30
Great Northern, Flathead Ranger
Unknown Natural D3 , R3 7700 West 1
01/28/2019 - 18:30
Running Rabbit-Goat Lick
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft West 1
02/10/2020 - 12:15
BNSF Avalanche Safety - JFS Canyon
Soft Slab Natural D2.5 , R2 Above 6,500 ft West 1
03/15/2022 - 16:00
Mt. Brown
Wet Loose Skier
Accidentally Triggered
D1 , R1 5000' West 3
02/01/2020 - 12:00
Forecaster Observation - Glacier National Park
Soft Slab Natural D2.5 Above 6,500 ft West 2
02/19/2021 - 14:30
Tranquil basin
Soft Slab Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft West 2
02/26/2021 - 16:30
Forecaster Observation - upper Whitefish River
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft West 4
03/03/2020 - 12:15
Forecaster observation - northern Whitefish range
Wet Loose Natural D1 , R1 6200 West 6
03/17/2019 - 15:15
Forecaster Observation-Northern Whitefish Range-
Wet Loose D1.5 , R1 Between 5,000 and 6,500 ft West 1
03/03/2020 - 12:15
Forecaster observation - northern Whitefish range
Wet Loose Natural D1.5 , R2 6300 West 1
03/12/2022 - 06:15
Forecaster Observation - east of WMR
Soft Slab Natural D1 , R2 6100 West 1
02/10/2021 - 12:00
Forecaster Observation - Glacier National Park
Soft Slab Natural D3 Above 6,500 ft West 1
03/21/2019 - 15:45
Forecaster Observation- Road Observations
Wet Slab Natural D3 Between 5,000 and 6,500 ft West 1
04/24/2022 - 15:15
Going-to-the-Sun Road corridor
Wet Loose Skier D1.5 Between 5,000 and 6,500 ft West 1
04/14/2018 - 14:00
Forecaster Observation - Central GNP
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft West 1

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