Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
01/13/2021 - 04:00
BNSF Avalanche Safety - JFS Canyon
Soft Slab Natural D2 , R2 Above 6,500 ft Southeast 1
02/19/2020 - 11:15
Flathead Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southeast 3
12/20/2020 - 00:30
Standard Peak Zone
Soft Slab Natural D2 , R3 6200' Southeast 2
03/05/2021 - 12:15
Forecaster Observation - Flathead Range
Wet Loose Natural D1.5 , R1 Between 5,000 and 6,500 ft Southeast 6
01/07/2020 - 17:00
BNSF Avalanche Safety - JFS Canyon
Soft Slab Natural D2.5 , R3 Between 5,000 and 6,500 ft Southeast 1
03/02/2022 - 08:00
Lake McDonald Area
Wet Loose Natural D2 Below 5,000 ft Southeast 2
12/16/2021 - 13:00
BNSF Avalanche Safety - Snowslip Mtn. GNP
Soft Slab Skier
Intentionally Triggered
D1 , R3 Between 5,000 and 6,500 ft Southeast 1
12/23/2020 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Skier
Intentionally Triggered
D1.5 , R3 Above 6,500 ft Southeast 3
03/01/2019 - 19:30
Forecaster Observation - Hellroaring, Canyon Creek
Loose Dry/ Sluff Natural D1 , R1 6300 Southeast 1
03/25/2019 - 19:45
Forecaster Observation - Southern Swan Range
Glide Natural D3 , R3 Between 5,000 and 6,500 ft Southeast 1
05/03/2022 - 10:00
Middle Fork
Wet Loose Natural D1 5500-7000' Southeast 10
01/13/2020 - 08:00
Forecaster Observation - Northern Whitefish Range
Unknown Natural D2 , R2 Southeast 1
02/24/2021 - 12:45
Forecaster Observations - John F. Stevens Canyon
Hard Slab Artificial (Explosives)
Intentionally Triggered
D3 , R4 6150 Southeast 1
12/20/2019 - 15:00
Forecaster Observation - McDonald Creek/ Middle Fork
Hard Slab Natural
Cornice Fall Triggered
D2 , R3 6100 Southeast 1
01/10/2018 - 16:45
Forecaster Observation- Dickey Cr, Flathead Range
Soft Slab Natural Above 6,500 ft Southeast 1
01/07/2022 - 12:00
Forecaster Observation: Southern Whitefish Range
Soft Slab Natural D1 Below 5,000 ft Southeast 3
02/26/2022 - 12:00
Forecaster Observation - Middle Fork
Wet Loose Natural D1 , R2 Between 5,000 and 6,500 ft Southeast 12
01/13/2021 - 04:00
BNSF Avalanche Safety - JFS Canyon
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
04/05/2021 - 17:30
Flathead Range
Wet Loose Natural D1 , R1 Above 6,500 ft Southeast 8
03/24/2022 - 12:30
Forecaster Observation - Northern Whitefish Range
Wet Loose Natural D1 Between 5,000 and 6,500 ft Southeast 20

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