Date and Time of Avalanche Avalanche Type Triggersort ascending Size Starting Elevation Aspect Number of avalanches
11/25/2020 - 00:45
Forecaster Observation - Flathead Range
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft North 6
01/24/2020 - 11:30
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R1 Between 5,000 and 6,500 ft Northwest 2
02/13/2019 - 03:30
BNSF Avalanche Program-Running Rabbit & Snowslip Mtns. GNP
Unknown Natural D2.5 , R3 Between 5,000 and 6,500 ft South 1
03/23/2022 - 16:00
BNSF Avalanche Safety - JFS Canyon
Hard Slab Natural
Cornice Fall Triggered
D3 , R3 7600 East 1
03/04/2021 - 15:00
Forecaster Observation: Lake McDonald Area
Wet Loose Natural D1 , R1 Above 6,500 ft Southwest 3
04/06/2020 - 12:15
Flathead Range
Wet Loose Natural D2.5 , R2 Above 6,500 ft Northeast 1
03/01/2022 - 09:00
Forecaster Observation - Flathead Range
Wet Loose Natural D1 Below 5,000 ft Northeast 5
02/05/2021 - 08:00
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , unknown Above 6,500 ft Southeast 3
03/14/2020 - 16:00
Forecaster Observation - Lake McDonald Area
Hard Slab Natural D1.5 , R1 Above 6,500 ft Southeast 1
04/18/2019 - 12:00
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R3 5300 North 1
04/03/2018 - 14:15
Forecaster Observation - Skiumah Lake, Flathead Range
Unknown Natural D2 , R2 1
01/12/2022 - 12:00
Tunnel Ridge
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
02/17/2020 - 13:30
BNSF Avalanche Safety - Snowslip Mtn. GNP
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft East 4
03/21/2019 - 15:00
Forecaster Observation- Road Observations
Wet Loose Natural D3 Between 5,000 and 6,500 ft Southwest 1
12/19/2017 - 22:30
Forecaster Observation - Red Meadow Lake, Whitefish Range
Soft Slab Natural D2 , R2 Above 6,500 ft 1
02/15/2019 - 23:30
Forecaster Observation - Rescue Creek, Flathead Range
Unknown Natural D3.5 , unknown Above 6,500 ft Southeast 1
Teton Pass Ski Area - Upper mountain, above the ski area - Joe's Wave Hard Slab Explosive - 15lb ANFO
Intentionally Triggered
D3 , R3 Above 6,500 ft East 2
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

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