Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of avalanches
03/06/2020 - 12:00
Forecaster Observation - Flathead Range
Hard Slab Unknown D3 Above 6,500 ft Northeast 1
02/11/2020 - 12:45
Hornet Lookout
Hard Slab Natural
Cornice Fall Triggered
D2.5 , R2 6800 Southwest 1
12/20/2019 - 13:30
Upper Holland Lake
Hard Slab Natural
Cornice Fall Triggered
D3 Above 6,500 ft 2
12/19/2018 - 02:00
Forecaster Observation - Skiumah Lake, Flathead Range
Hard Slab Natural D2.5 , R2 7000 North 1
03/05/2021 - 12:00
Central Swans
Hard Slab Natural
Cornice Fall Triggered
D2 , R2 Above 6,500 ft Northeast 1
12/22/2020 - 02:00
BNSF Avalanche Safety - Snowslip Mtn. GNP
Hard Slab Natural D2.5 , R2 Above 6,500 ft Southeast 1
02/10/2018 - 18:30
Tranquil Basin
Hard Slab Natural
Cornice Fall Triggered
D2.5 , R3 7000 Northeast 1
04/06/2022 - 11:00
Forecaster Observation: Southern Whitefish Range
Hard Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft East 1
03/14/2021 - 15:00
Forecaster Observation - Flathead Range
Hard Slab Natural D2.5 , R2 Above 6,500 ft Southeast 1
04/14/2020 - 12:15
Flathead Range
Hard Slab Natural
Cornice Fall Triggered
D2 , R2 7400' Northeast 1
12/20/2019 - 05:15
BNSF Avalanche Safety - JFS Canyon
Hard Slab Natural
Cornice Fall Triggered
D3 , R3 7300 feet North 1
04/01/2020 - 02:45
Forecaster Observation - Flathead Range
Hard Slab Natural D3 , R3 Above 6,500 ft Northeast 1
02/08/2018 - 10:15
Forecaster Observation- McDonald Creek, GNP
Hard Slab Natural D3.5 , R4 1
02/08/2019 - 19:45
Forecaster Observation- Rescue Creek, Flathead Range
Hard Slab Natural D2 , R2 Between 5,000 and 6,500 ft West 1
12/23/2021 - 11:00
Forecaster Observation - N of WMR
Hard Slab Skier
Cornice Fall Triggered
D1 , R2 6700' North 2
12/22/2020 - 02:00
Flathead Range
Hard Slab Natural D3 , R3 Above 6,500 ft Northeast 3
02/24/2021 - 12:00
Forecaster Observations - John F. Stevens Canyon
Hard Slab Artificial (Explosives)
Intentionally Triggered
D3 , R3 7000 East 1
01/10/2018 - 20:45
Forecaster Observation - Red Meadow, Northern Whitefish Range
Hard Slab Natural D3 , R3 Above 6,500 ft 1
04/01/2020 - 02:45
Forecaster Observation - Flathead Range
Hard Slab Natural D3 , R3 Above 6,500 ft Northeast 1
01/26/2018 - 03:30
Rescue Creek - Flathead Range
Hard Slab Unknown D3 , R3 Between 5,000 and 6,500 ft North 1

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