Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
01/15/2018 - 02:30
Pro Observation - John F Stevens Canyon, Flathead Range
Soft Slab Natural
Cornice Fall Triggered
D1 Above 6,500 ft 1
03/18/2019 - 13:45
BNSF Avalanche Program-JFS Canyon
Wet Loose Natural D2 1
04/11/2019 - 14:45
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft 1
01/28/2018 - 11:45
Canyon Creek - southern Whitefish Range
1
03/17/2019 - 07:30
Forecaster Observation - Lake McDonald, GNP
Wet Loose Natural D2 Above 6,500 ft 1
01/04/2020 - 11:00
Forecaster Observation - BC Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft 5
01/07/2019 - 18:45
Forecaster Observation - Peak 6996, GNP
Hard Slab Natural D3 , R4 Above 6,500 ft 1
02/01/2020 - 12:30
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft 4
01/20/2019 - 12:30
Peak 7798
Soft Slab Natural D2 1
03/17/2020 - 15:00
Rescue Creek
Loose Dry/ Sluff Natural D1 5
12/04/2018 - 19:30
Crater Notch Peak
Loose Dry/ Sluff Natural D1 , R1 1
northern swans 1
12/19/2017 - 15:45
Forecaster Observation - Middle Fork Corridor
Soft Slab Natural D1.5 , R1 Below 5,000 ft 1
04/18/2020 - 16:30
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft 4
01/14/2020 - 12:00
Lost Johnny
Loose Dry/ Sluff Natural
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft 25
01/27/2019 - 10:00
Crystal Cascadilla Loop
Soft Slab Skier
Intentionally Triggered
D1 , R1 1
01/13/2021 - 06:00
central/south swan range
Glide Natural 2
02/17/2018 - 23:15
Forecaster Observation- WMR backcountry, Whitefish Range
Unknown Natural D1.5 Above 6,500 ft 1
02/28/2020 - 12:15
Forecaster Observation- Central GNP
Wet Loose D2 , R2 5
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft 6

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