Date and Time of Avalanchesort descending Avalanche Type Trigger Size Starting Elevation Aspect Number of avalanches
Half Moon Slide —-E of WMR 1
Middle Fork Soft Slab Skier
Accidentally Triggered 		D1.5 , R1 7,300 Northeast 1
Forecaster Observation - Flathead Range 1
Just off goulies ridge 1
Essex Creek 1
Flathead Range 1
Skyland 1
NNE slope between Ghoule & Kona Soft Slab Skier
Accidentally Triggered 		D2 , R2 Between 5,000 and 6,500 ft Northeast 1
Swan River State Forest 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
12/14/2017 - 13:15
Forecaster Observation - Little Matterhorn, Glacier National Park 		Loose Dry/ Sluff Skier
Intentionally Triggered 		D2 , R1 7000 Northeast 1
12/16/2017 - 13:00
Forecaster Observation - Rescue Creek, Flathead Range 		Loose Dry/ Sluff Skier
Intentionally Triggered 		D1 , R1 Above 6,500 ft Northeast 1
12/18/2017 - 12:15
Canyon Creek, southern Whitefish Range 		Soft Slab Natural D1 1
12/19/2017 - 08:15
Forecaster Observation - Ghoulie Ridge, Whitefish Range 		Soft Slab Natural D1.5 , R1 Between 5,000 and 6,500 ft Northeast 1
12/19/2017 - 13:00
Forecaster Observation - Ghoulie Ridge, Whitefish Range 		Soft Slab Natural D2 , R2 Between 5,000 and 6,500 ft South 1

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