Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
03/21/2019 - 14:30
Forecaster Observation - Flathead Range
Wet Slab Natural D4 , R4 Above 6,500 ft Southeast 1
02/16/2019 - 00:30
Forecaster Observation - Rescue Creek, Flathead Range
Hard Slab Natural D3 , R3 6400' Southeast 1
01/10/2020 - 14:45
Forecaster Observation - southern Glacier NP
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5400 Southeast 1
01/12/2022 - 20:15
Forecaster Observation - Essex area
Unknown Natural D2 Below 5,000 ft Southeast 1
12/21/2020 - 23:00
Flathead Range
Soft Slab Natural D3 , R3 Between 5,000 and 6,500 ft Southeast 1
02/20/2021 - 01:30
Forecaster Observation/Near Miss - Northern Swan
Soft Slab Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
02/28/2020 - 13:15
Forecaster Observation- Central GNP
Wet Loose D2.5 , R2 Between 5,000 and 6,500 ft Southeast 1
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Southeast 1
03/23/2021 - 14:00
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R3 Between 5,000 and 6,500 ft Southeast 4
Flathead - Marion Lake Unknown Unknown D2 Between 5,000 and 6,500 ft Southeast 1
02/11/2020 - 13:30
Forecaster Observation - Flathead Range
Soft Slab Natural D1.5 , R1 Between 5,000 and 6,500 ft Southeast 1
12/03/2020 - 12:00
Granite Park
Unknown Natural unknown , unknown 7500' Southeast 1
02/14/2019 - 18:45
Forecaster Observation - Cascade Creek, Flathead Range
Soft Slab Natural D3 , R3 Above 6,500 ft Southeast 1
01/30/2020 - 11:00
Cascadilla Creek
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southeast 1
03/23/2022 - 12:30
Professional Observation - Rescue Creek
Wet Loose Natural D2.5 6500 Southeast 1
04/07/2020 - 15:00
Southern Flathead Range
Wet Loose Natural D2 Above 6,500 ft Southeast 1
03/21/2019 - 15:00
Forecaster Observation - Flathead Range
Unknown Natural D3.5 , R3 Above 6,500 ft Southeast 1
04/09/2020 - 12:15
Flathead Range
Wet Loose Natural D3 , R3 Between 5,000 and 6,500 ft Southeast 1
03/04/2022 - 12:00
WMR Sidecountry
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft Southeast 1
12/21/2020 - 23:00
Flathead Range
Soft Slab Natural D2.5 , R3 Between 5,000 and 6,500 ft Southeast 1

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