Date and Time of Avalanchesort descending Avalanche Type Trigger Size Starting Elevation Aspect Number of avalanches
Forecaster Observation - southern Whitefish Range Soft Slab Natural D1.5 Below 5,000 ft Southwest 2
Jewel Basin yurt 1
Forecaster Observation - Just North of the Border 1
BNSF Avalanche Safety - Snowslip Mtn. GNP 1
Middle Fork Soft Slab Skier
Accidentally Triggered
D1.5 , R1 7,300 Northeast 1
Going to the Sun Road Glide Natural D2.5 , R3 Above 6,500 ft Northeast 1
S Face of Skook 1
Noisy Basin 1
Southern Flathead Range 1
Going to the Sun Road Wet Slab Natural
Cornice Fall Triggered
D2 , R2 Above 6,500 ft Northeast 1
Going to the Sun Road Wet Loose Natural D2 Above 6,500 ft South 1
Essex 1
Wahoo 1
Central Flathead Range 1
11/22/2017 - 17:45
Forecaster Observation - Skiumah Lake, Flathead Range
Unknown Natural D2.5 , R3 Above 6,500 ft North 1
11/22/2017 - 21:30
Forecaster Observation - Rescue Creek, Flathead Range
Unknown Natural D2 Above 6,500 ft 1
12/02/2017 - 17:15
Forecaster Observation - Skiumah Lake, Flathead Range
Hard Slab Natural D2 , R2 Above 6,500 ft North 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
12/09/2017 - 13:30
Forecaster Observation - Mt. Thompson-Seton, Whitefish Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
12/10/2017 - 14:15
Forecaster Observation - Mt. Stanton, Glacier National Park
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1

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