Date and Time of Avalanchesort descending Avalanche Type Trigger Size Starting Elevation Aspect Number of similar avalanches
02/17/2018 - 20:00
Forecaster Observation - Noisy Basin, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft North
02/17/2018 - 20:30
Professional Observation - Blaine Mtn, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft Northeast 10-20
02/17/2018 - 22:15
Professional Observation - Blaine Mtn, Swan Range
Hard Slab Natural D3.5 , unknown Above 6,500 ft Southwest
02/17/2018 - 22:15
Essex Creek
Soft Slab Natural D2 Above 6,500 ft 1
02/17/2018 - 22:15
Essex Creek
Loose Dry/ Sluff Natural D1.5 5-10
02/17/2018 - 22:15
Izak Walton backcountry resort
Soft Slab Natural D2 Above 6,500 ft
02/17/2018 - 23:00
Northern Flathead Range
Soft Slab Natural D2 , R1 Above 6,500 ft Northeast 1
02/17/2018 - 23:15
Spider Bowl
Soft Slab Natural D2 5-10
02/17/2018 - 23:15
Forecaster Observation - Rescue Creek, Flathead Range
Loose Dry/ Sluff Natural D1.5 , R2 Between 5,000 and 6,500 ft North 3
02/17/2018 - 23:15
Forecaster Observation- WMR backcountry, Whitefish Range
Unknown Natural D1.5 Above 6,500 ft 4
02/17/2018 - 23:30
Forecaster Observation - Rescue Creek, Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft Southeast 4
02/21/2018 - 12:00
Babys bottom
Soft Slab Unknown D1.5 , R2 South
02/21/2018 - 18:15
Flower point side country
02/25/2018 - 19:45
Forecaster Observation - Marion Lake, Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft 5-10
02/25/2018 - 20:00
Forecaster Observation - Marion Lake, Flathead Range
Soft Slab Skier
Intentionally Triggered
D2 , R1 Above 6,500 ft Southeast 2
02/25/2018 - 20:30
Forecaster Observation - Grave Creek, Whitefish Range
Soft Slab Natural D1 , R1 Above 6,500 ft Northwest 1
02/27/2018 - 07:15
Apgar Range
Soft Slab Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft
02/27/2018 - 12:45
Forecaster Observation- Skiumah, Flathead Range
Soft Slab Natural D1.5 , R1 Above 6,500 ft East 1
03/02/2018 - 22:00
Forecaster Observation - Rescue Creek, Flathead Range
Soft Slab Natural D1 , R1 Above 6,500 ft 4
03/02/2018 - 23:15
Forecaster Observation - Rescue Creek, Flathead Range
Loose Dry/ Sluff Natural
Cornice Fall Triggered
D2 , R2 Above 6,500 ft Northeast

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