Date and Time of Avalanche Avalanche Type Triggersort descending Size Starting Elevation Aspect Number of avalanches
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
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
01/01/2020 - 13:00
Hellroaring Basin
Soft Slab Explosive D1 , R2 Between 5,000 and 6,500 ft West 4
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 D2 , R3 Between 5,000 and 6,500 ft South 4
02/17/2018 - 23:30
Forecaster Observation - Rescue Creek, Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft Southeast 1
02/10/2020 - 12:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1.5 , R1 Above 6,500 ft 3
01/06/2019 - 12:30
Forecaster Observation - Marion Lake, Flathead Range
Loose Dry/ Sluff Natural D1 , R1 1
01/19/2020 - 14:45
Forecaster Observation - Apgar Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 5
03/21/2019 - 15:45
Forecaster Observation- Road Observations
Wet Slab Natural D3 Between 5,000 and 6,500 ft West 1
02/15/2019 - 23:30
Forecaster Observation - Rescue Creek, Flathead Range
Soft Slab Natural D2.5 , R3 5500' - 7000' South 1
04/05/2019 - 17:00
Forecaster Observation - Glacier Park
Wet Slab Natural D2 Between 5,000 and 6,500 ft Southeast 1
03/02/2018 - 22:00
Forecaster Observation - Rescue Creek, Flathead Range
Soft Slab Natural D1 , R1 Above 6,500 ft 1
03/14/2020 - 12:00
Forecaster Observation - Apgar Range and Lake McDonald
Soft Slab Natural D1 , R2 5200 Northeast 1
Central Glacier Park Soft Slab Natural D2 Between 5,000 and 6,500 ft South 1

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