Date and Time of Avalanche Avalanche Type Triggersort descending Size Starting Elevation Aspect Number of avalanches
12/05/2020 - 15:00
Southern Flathead Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft South 3
01/13/2018 - 05:00
Forecaster Observation - Crystal Cr, Flathead Range
Hard Slab Natural D4 , R4 Above 6,500 ft North 1
04/09/2020 - 12:15
Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
02/13/2019 - 08:30
BNSF Avalanche Program-Running Rabbit & Snowslip Mtns. GNP
Soft Slab Natural
Cornice Fall Triggered
D2 , R1 Above 6,500 ft East 1
03/21/2020 - 13:15
tunnel
Wet Loose Natural D1 3
01/12/2021 - 22:15
Southern Glacier
Unknown Natural D2 Between 5,000 and 6,500 ft East 11
12/12/2018 - 16:00
Forecaster Observation- Rescue Creek, Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft 1
02/20/2020 - 01:00
Flathead Range
Wet Loose Natural D1.5 , R1 Below 5,000 ft South 1
03/09/2018 - 19:15
Forecaster Observation - Tunnel Ridge, Flathead Range
Soft Slab Natural D2.5 , R3 Above 6,500 ft East 1
02/01/2020 - 12:30
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft 4
03/21/2019 - 15:15
Forecaster Observation- Road Observations
Wet Loose Natural D1 Southwest 1
01/12/2020 - 23:00
Forecaster Observation - Northern Whitefish Range
Unknown Natural D2 , R3 Between 5,000 and 6,500 ft Southwest 5
02/12/2019 - 21:45
Forecaster Observation - WMR Sidecountry
Soft Slab Natural D1.5 , R2 6400 Northeast 1
12/21/2019 - 15:15
Forecaster Observation - McDonald Creek/ Middle Fork
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft West 2
02/23/2021 - 15:30
Forecaster Observations - John F. Stevens Canyon
Unknown Natural D2 , R3 Between 5,000 and 6,500 ft Southwest 1
01/13/2021 - 04:00
BNSF Avalanche Safety - Snowslip Mtn. GNP
Wet Loose Natural D1 , R1 East 5
12/15/2018 - 18:15
Forecaster Observation - Mt. Adams, Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft 1
02/23/2020 - 15:00
Forecaster Observation - Northern Swan Range
Wet Loose Natural D1 , R1 Below 5,000 ft North 2
02/08/2018 - 20:00
Glacier National Park
Hard Slab Natural D3 , R3 Above 6,500 ft Northwest 1
02/28/2020 - 13:45
Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1

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