Date and Time of Avalanchesort descending Avalanche Type Trigger Size Starting Elevation Aspect Number of avalanches
01/15/2018 - 18:00
Grant Ridge (Upper Disbrow Creek/Tunnel Creek)
Hard Slab Natural D3.5 Above 6,500 ft Northeast 1
01/20/2018 - 12:30
Forecaster Observation - Rescue Creek, Flathead Range
Soft Slab Natural D2 , unknown Above 6,500 ft East 1
01/21/2018 - 20:30
Tranquil Basin, Flathead Range
1
01/22/2018 (All day)
South Fork, Dickey Creek
Loose Dry/ Sluff Skier
Accidentally Triggered
D1 , R1 Northeast 1
01/23/2018 - 13:15
Marion Lake
Soft Slab Skier
Accidentally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northwest 1
01/23/2018 - 20:00
upper Marion and Dickey Creek
1
01/24/2018 - 13:15
Noisy Basin, Swan Range
Soft Slab Natural D2 , R3 Above 6,500 ft Northwest 1
01/24/2018 - 15:00
Noisy Basin, Swan Range
Soft Slab Skier
Intentionally Triggered
D2 Between 5,000 and 6,500 ft Northeast 1
01/26/2018 - 03:30
Rescue Creek - Flathead Range
Hard Slab Unknown D3 , R3 Between 5,000 and 6,500 ft North 1
01/27/2018 - 22:30
Forecaster Observation - Skiumah Lake, Flathead Range
Unknown Natural D3 Above 6,500 ft North 1
01/28/2018 - 11:45
Canyon Creek - southern Whitefish Range
1
01/28/2018 - 20:45
Cascade and Rescue Crick - Flathead Range
Hard Slab 1
01/29/2018 - 13:00
Forecaster Observation - Spider Bowl, Swan Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 1
01/29/2018 - 13:00
Jewel Basin, Swan Range
Hard Slab Natural
Cornice Fall Triggered
D3 , R3 Above 6,500 ft East 1
01/29/2018 - 13:45
Forecaster Observation - Skiumah Lake, Flathead Range
Wet Loose Natural D1.5 , R1 Between 5,000 and 6,500 ft 1
01/29/2018 - 15:45
Mount Cameahwait
Soft Slab Natural D2 Above 6,500 ft East 1
01/30/2018 - 12:45
Skiumah, Flathead Range
Hard Slab Cornice
Intentionally Triggered
D2.5 , R3 Above 6,500 ft North 1
02/01/2018 - 12:00
Forecaster Observation - Spider Bowl, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 1
02/01/2018 - 13:45
Forecaster Observation - Skiumah Lake, Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
02/04/2018 - 12:15
Pioneer Ridge
Soft Slab Snowmobiler D1 , R1 1

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