Date and Time of Avalanche Avalanche Type Triggersort descending Size Starting Elevation Aspect Number of avalanches
04/07/2018 - 13:30
Forecaster Observation - Mt Furlong, Flathead Range
1
03/20/2019 - 03:45
Picture Chutes-Whitefish Mountain Resort
Wet Slab 20 lb ANFO explosive D2.5 , R4 Between 5,000 and 6,500 ft South 1
12/13/2019 - 10:00
Forecaster Observation - Southern Whitefish Range
Soft Slab AE D1.5 Between 5,000 and 6,500 ft 2
01/23/2020 - 14:30
Teton Pass winter sports area
Hard Slab AE (large ANFO)
Intentionally Triggered
D3 , R3 Above 6,500 ft East 1
02/24/2021 - 12:15
Forecaster Observations - John F. Stevens Canyon
Hard Slab Artificial (Explosives)
Intentionally Triggered
D3 , R3 6700 Southeast 1
02/24/2021 - 12:45
Forecaster Observations - John F. Stevens Canyon
Hard Slab Artificial (Explosives)
Intentionally Triggered
D3 , R4 6150 Southeast 1
02/24/2021 - 12:00
Forecaster Observations - John F. Stevens Canyon
Hard Slab Artificial (Explosives)
Intentionally Triggered
D3 , R3 7000 East 1
03/13/2019 - 00:45
Forecaster Observation - Skiumah Creek, Flathead Range
Hard Slab Believe it was initiated by ice fall D3 , R2 ~7000' North 1
01/30/2018 - 12:45
Skiumah, Flathead Range
Hard Slab Cornice
Intentionally Triggered
D2.5 , R3 Above 6,500 ft North 1
03/21/2019 - 16:15
Picture Chutes-Whitefish Mountain Resort
Wet Slab Explosive D2.5 South 1
03/22/2019 - 16:30
Picture Chutes-Whitefish Mountain Resort
Wet Slab Explosive D2.5 Between 5,000 and 6,500 ft 1
12/20/2019 - 07:45
Forecaster Observation- Southern Whitefish Range
Soft Slab Explosive
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft East 4
01/01/2020 - 13:00
Hellroaring Basin
Soft Slab Explosive D1 , R2 Between 5,000 and 6,500 ft West 4
01/01/2020 - 13:00
Hellroaring Basin
Soft Slab Explosive D2 , R3 Between 5,000 and 6,500 ft South 4
03/06/2021 - 13:00
Forecaster Observation - Skyland
Hard Slab Natural unknown , unknown Above 6,500 ft Southeast 1
01/08/2020 - 05:30
BNSF Avalanche Safety - JFS Canyon
Hard Slab Natural D2.5 , R3 7200 South 1
01/19/2019 - 12:45
Forecaster Observation - Paola Ridge, Flathead Range
Unknown Natural D1.5 , R1 Above 6,500 ft Northeast 1
02/12/2021 - 12:15
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 6800' North 1
03/16/2020 - 16:00
Forecaster Observation - Apgar Range and Lake McDonald
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft West 1
11/19/2019 - 14:15
Forecaster Observation - Central Glacier Park
Hard Slab Natural D3 , R3 7500 Northeast 2

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