Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
Essex Creek 1
01/23/2019 - 13:15
Forecaster Observation- Canyon Creek, Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft 1
12/19/2017 - 16:15
Forecaster Observation - Middle Fork Corridor
Soft Slab Natural D2 , R2 Between 5,000 and 6,500 ft 1
JFS canyon 1
01/01/2018 - 21:45
Cascade, Flathead Range
1
Northern Swan Range 1
Forecaster Observation - Flathead Range 1
East of WMR 1
02/27/2018 - 07:15
Apgar Range
Soft Slab Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft 1
12/30/2018 - 04:15
Forecaster Observation - Mt. Adams, Flathead Range
Soft Slab Natural D1.5 , R2 Above 6,500 ft 1
01/12/2018 - 01:00
Forecaster Observation - Nyack Mountain, Flathead Range
1
Forecaster Observation - Hornet Mountain 1
02/01/2020 - 09:45
Forecaster Observation - Flathead Range
Wet Loose D2 , R1 Between 5,000 and 6,500 ft 3
Big Slide 1
Forecaster Observation - Flathead Range 1
03/15/2018 - 18:45
Glacier National Park
Soft Slab Natural D1 , R1 1
01/13/2021 - 01:30
Forecaster Observation: Middle Fork Corridor
Wet Loose Natural D2 , R2 20
Flathead Range 1
02/22/2021 - 13:00
Glacier National Park
Wet Slab Natural D4 , R4 1
01/23/2019 - 12:00
Forecaster Observation- Canyon Creek, Whitefish Range
Soft Slab Natural R1 Between 5,000 and 6,500 ft 1

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