Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
11/21/2019 - 12:00
Forecaster Observation: Central Swan Range
Loose Dry/ Sluff Natural D1 Above 6,500 ft 4
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
01/17/2020 - 12:00
Forecaster Observation - Central Swan
Soft Slab Natural D1 , R1 20
01/11/2020 - 08:30
Forecaster Observation- Central GNP
Loose Dry/ Sluff Natural D1.5 , R1 8
03/21/2019 - 13:15
Forecaster Observation - Flathead Range
Wet Loose Natural D3 , R3 1
02/25/2019 - 07:15
Hellroaring Peak, southern Whitefish Range
1
04/23/2018 - 17:45
Little Dog
1
12/09/2018 - 13:00
Jewel Basin, Swan Range
Wet Loose 1
Great Northern 1
03/21/2020 - 13:15
tunnel
Wet Loose Natural D1 3
02/01/2020 - 09:30
Forecaster Observation - Flathead Range
Unknown Natural D3 , R3 2
02/06/2019 - 12:45
Forecaster Observation - Mt. Brown, GNP
Loose Dry/ Sluff Natural D1 , R1 1
Forecaster Observation - Cascade drainage, Flathead Range 1
12/19/2017 - 13:30
Forecaster Observation - Ghoulie Ridge, Whitefish Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft 1
03/28/2020 - 13:00
Forecaster Observation - Northern Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft 4
03/17/2019 - 13:30
Forecaster Observation - Lake McDonald area
Wet Loose Natural D1.5 , R2 1
12/29/2017 - 17:00
Forecaster Observation- Rescue Creek, Flathead Range
Soft Slab D2 1
11/19/2019 - 14:15
Forecaster Observation - Southern Flathead Range
Unknown Natural D1.5 , R2 Above 6,500 ft 7
04/07/2018 - 13:30
Forecaster Observation - Mt Furlong, Flathead Range
1
01/10/2018 - 20:45
Forecaster Observation - Red Meadow, Northern Whitefish Range
Hard Slab Natural D3 , R3 Above 6,500 ft 1

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