Date and Time of Avalanchesort ascending Avalanche Type Trigger Size Starting Elevation Aspect Number of avalanches
02/17/2018 - 22:15
Izak Walton backcountry resort
Soft Slab Natural D2 Above 6,500 ft 1
02/17/2018 - 20:30
Professional Observation - Blaine Mtn, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft Northeast 1
02/17/2018 - 20:00
Forecaster Observation - Grant Ridge, Flathead Range
Soft Slab Natural D2 Above 6,500 ft 1
02/17/2018 - 20:00
Forecaster Observation - Noisy Basin, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft North 1
02/17/2018 - 16:45
Forecaster Observation - Stanton Lake, Flathead Range
Loose Dry/ Sluff Natural D1 , R2 1
02/17/2018 - 15:00
Forecaster Observation, Canyon Creek, Southern Whitefish Range
Soft Slab Skier unknown , unknown Between 5,000 and 6,500 ft North 1
02/16/2018 - 16:45
Forecaster Observation- Flathead Range
Soft Slab Skier
Intentionally Triggered
D1.5 , R1 Between 5,000 and 6,500 ft North 1
02/16/2018 - 14:30
Forecaster Observation- Flathead Range
Soft Slab Natural D1.5 Below 5,000 ft Northwest 1
02/14/2018 - 23:30
Forecaster Observation - Wahoo, Rescue Creeks, Flathead Range
Loose Dry/ Sluff Natural D1.5 , R1 1
02/14/2018 - 23:00
Forecaster Observation - Wahoo, Rescue Creeks, Flathead Range
Soft Slab Natural D1.5 , R2 1
02/14/2018 - 14:30
Forecaster Observation - Link Mountain, northern Whitefish Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R2 Above 6,500 ft East 1
02/14/2018 - 06:00
Sheep Lakes
1
02/13/2018 - 08:15
Essex Creek, Flathead Range
1
02/12/2018 - 12:45
Pro Observation - Path 1163, Southern GNP
Soft Slab Natural D2 , R3 Above 6,500 ft Southwest 1
02/11/2018 - 12:00
Forecaster Observation - Ousel Peak to Skiumah Lake, Flathead Range
Hard Slab Natural D1 , R2 Above 6,500 ft 1
02/11/2018 - 06:15
paola
1
02/10/2018 - 18:30
Tranquil Basin
Hard Slab Natural
Cornice Fall Triggered
D2.5 , R3 7000 Northeast 1
02/09/2018 - 10:00
Northern GNP
1
02/08/2018 - 23:00
Forecaster Observation - Ousel Peak to Skiumah Lake, Flathead Range
Hard Slab Natural D2 , R3 Between 5,000 and 6,500 ft North 1
02/08/2018 - 23:00
Forecaster Observation - Ousel Peak to Skiumah Lake, Flathead Range
Hard Slab Natural D3.5 , R4 Above 6,500 ft Northeast 1

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