Date and Time of Avalanchesort descending Avalanche Type Trigger Size Starting Elevation Aspect Number of avalanches
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
12/16/2021 - 14:30
Forecaster Observation - Southern Glacier Park
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Southwest 2
12/17/2021 - 06:30
Southern Whitefish Range
Soft Slab Natural D1 1
12/19/2021 - 07:00
Forecaster Observation - Lake McDonald Area
Soft Slab Natural D1.5 , R3 Above 6,500 ft East 1
12/20/2021 - 15:15
Flathead range
Glide D1 , R2 Below 5,000 ft Northwest 1
12/22/2021 - 09:00
Forecaster Observation - Southern Glacier Park
Soft Slab Natural D1.5 , R1 Above 6,500 ft East 2
12/22/2021 - 10:30
Forecaster Observation - NE of The Mountain Formerly Known as The Big
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 2
12/22/2021 - 11:15
Forecaster Observation - NE of The Mountain Formerly Known as The Big
Hard Slab Skier
Intentionally Triggered
D1 , R1 6830 Northeast 3
12/22/2021 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft Southeast 5
12/22/2021 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R3 Above 6,500 ft Northeast 1
12/22/2021 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft Northeast 1
12/22/2021 - 12:15
Forecaster Observation - Swan Range
Cornice Natural D1 , R1 Between 5,000 and 6,500 ft Northeast 5
12/23/2021 - 11:00
Forecaster Observation - N of WMR
Hard Slab Skier
Cornice Fall Triggered
D1 , R2 6700' North 2
12/23/2021 - 11:45
Forecaster Observation - Southern Glacier Park
Soft Slab Skier
Intentionally Triggered
D1 , R3 Between 5,000 and 6,500 ft East 3
12/26/2021 - 12:15
Forecaster Observation: Northern Swan
Loose Dry/ Sluff Natural D1 Above 6,500 ft Northwest 3
12/26/2021 - 12:15
Forecaster Observation: Northern Swan
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northwest 3
12/27/2021 - 12:00
Forecaster Observation - Running Rabbit Mountain
Loose Dry/ Sluff Natural D1.5 , R2 Above 6,500 ft South 2
12/27/2021 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Unknown D1 Between 5,000 and 6,500 ft Northwest 1
12/29/2021 - 15:00
Forecaster Observation - Running Rabbit Mountain
Hard Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft South 2
12/29/2021 - 16:00
Forecaster Observation - Running Rabbit Mountain
Soft Slab Skier
Accidentally Triggered
D1 , R1 4300 feet South 1

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