Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
12/20/2019 - 13:30
Upper Holland Lake
Hard Slab Natural
Cornice Fall Triggered
D3 Above 6,500 ft 2
12/30/2018 - 04:15
Forecaster Observation - Mt. Adams, Flathead Range
Soft Slab Natural D1.5 , R2 Above 6,500 ft 1
02/19/2019 - 12:45
Benchmark
Hard Slab Snowmobiler
Remotely Triggered
D2 , R3 1
02/02/2020 - 18:30
Mt. Aeneas
Cornice Natural D2 Above 6,500 ft 1
Jewel Basin yurt 1
12/13/2019 - 10:00
Forecaster Observation - Southern Whitefish Range
Soft Slab AE D1.5 Between 5,000 and 6,500 ft 2
12/28/2017 - 11:45
Forecaster Observation - Spider Bowl, Swan Range
Soft Slab Natural D1.5 , R1 Above 6,500 ft 1
02/17/2018 - 20:00
Forecaster Observation - Grant Ridge, Flathead Range
Soft Slab Natural D2 Above 6,500 ft 1
02/17/2018 - 22:15
Izak Walton backcountry resort
Soft Slab Natural D2 Above 6,500 ft 1
Marias Pass 1
02/14/2019 - 05:30
Tunnel/disbrow creek
1
03/04/2018 - 19:15
Mount Grant , Flathead Range
1
01/23/2018 - 20:00
upper Marion and Dickey Creek
1
03/19/2019 - 07:15
BNSF Avalanche Program-JFS Canyon
Wet Loose Natural D2 Between 5,000 and 6,500 ft 1
01/01/2020 - 13:30
Upper Holland Lake
Soft Slab Natural D1 5
03/11/2018 - 20:15
Tranquill Basin - Flathead Range
1
11/17/2019 - 13:15
Forecaster Observation - Southern Flathead Range
Wet Loose Natural D1 , R1 Above 6,500 ft 4
02/08/2018 - 10:45
Forecaster Observation- Rescue Creek, Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft 1
11/22/2017 - 21:30
Forecaster Observation - Rescue Creek, Flathead Range
Unknown Natural D2 Above 6,500 ft 1
03/21/2019 - 14:00
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R2 Above 6,500 ft 1

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