Date and Time of Avalanche Avalanche Type Trigger Sizesort descending Starting Elevation Aspect Number of avalanches
03/14/2020 - 12:15
Forecaster Observation - Apgar Range and Lake McDonald
Loose Dry/ Sluff Natural D1.5 , R2 7500 Northwest 6
01/01/2018 - 21:15
Professional Observation - Grave Cr., Whitefish Range
Soft Slab Snowmobiler
Accidentally Triggered
D1.5 , R2 Between 5,000 and 6,500 ft Northeast 1
11/25/2018 - 19:00
Forecaster Observation - Heavens Peak, GNP
Hard Slab Natural D1.5 , R1 Above 6,500 ft East 1
02/27/2018 - 12:45
Forecaster Observation- Skiumah, Flathead Range
Soft Slab Natural D1.5 , R1 Above 6,500 ft East 1
Middle Fork Soft Slab Skier
Accidentally Triggered
D1.5 , R1 7,300 Northeast 1
12/09/2017 - 13:00
Forecaster Observation - Mt. Stanton, Glacier National Park
Wet Loose Natural D1.5 , R1 Above 6,500 ft South 1
02/25/2020 - 13:45
Forecaster Observation- Swan Range
Loose Dry/ Sluff Natural D1.5 , R1 Between 5,000 and 6,500 ft West 1
02/08/2020 - 12:00
Mt. Aeneas Area
Soft Slab Skier
Accidentally Triggered
D1.5 North 1
03/18/2019 - 18:30
Skook Chutes
Wet Slab Natural D1.5 , R2 Between 5,000 and 6,500 ft South 1
03/14/2020 - 12:15
Flathead Range
Loose Dry/ Sluff Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 1
01/19/2019 - 08:30
Essex Creek
Soft Slab Natural D1.5 Between 5,000 and 6,500 ft South 1
01/04/2020 - 10:00
Forecaster Observation - BC Flathead Range
Soft Slab Natural D1.5 , R1 Above 6,500 ft 5
12/05/2018 - 12:00
Skook Chutes / Canyon Creek
Unknown Natural D1.5 1
02/11/2020 - 12:15
Central Glacier Park
Loose Dry/ Sluff Natural D1.5 , R2 Between 5,000 and 6,500 ft South 10
05/06/2019 - 13:45
Forecaster Observation - Central Glacier NP
Wet Loose Natural D1.5 , R1 Above 6,500 ft Southeast 1
03/22/2020 - 12:30
Marion Lake
Loose Dry/ Sluff Skier
Accidentally Triggered
D1.5 Above 6,500 ft North 2
12/14/2018 - 11:45
Radio Ridge and Mount Aeneas
Soft Slab Skier
Remotely Triggered
D1.5 , R2 Above 6,500 ft South 1
03/02/2019 - 01:15
Forecaster Observation - Cascade/Rescue Creek, Flathead Range
Soft Slab Natural D1.5 , R2 Northeast 1
02/12/2019 - 21:15
Forecaster Observation - WMR Sidecountry
Soft Slab Natural D1.5 , R2 Above 6,500 ft East 1
04/04/2020 - 11:45
Forecaster Observation - Flathead Range
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 6

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