Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of similar avalanches
01/23/2019 - 18:00
Forecaster Observation - Red Meadow Lake
Soft Slab Natural D2 , R3 5900 Northeast 5
12/14/2018 - 11:45
Radio Ridge and Mount Aeneas
Soft Slab Skier
Remotely Triggered
D1.5 , R2 Above 6,500 ft South
12/28/2017 - 11:45
Forecaster Observation - Spider Bowl, Swan Range
Soft Slab Natural D1.5 , R1 Above 6,500 ft 5-10
02/20/2019 - 11:45
Forecaster Observation - East of WMR, Whitefish Range
Soft Slab Snowboarder
Accidentally Triggered
D1.5 , R2 6200' Southwest
02/12/2019 - 21:15
Forecaster Observation - WMR Sidecountry
Soft Slab Natural D1.5 , R2 Above 6,500 ft East 10-20
12/16/2018 - 04:00
Forecaster Observation - Mt. Adams, Flathead Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft 10-20
02/17/2018 - 20:00
Forecaster Observation - Grant Ridge, Flathead Range
Soft Slab Natural D2 Above 6,500 ft 5
01/10/2018 - 14:45
Forecaster Observation - Mt. Barnaby, Northern Whitefish Range
Soft Slab Natural D2.5 , R3 Above 6,500 ft Southeast 3
02/15/2019 - 15:15
Forecaster Observation, Halfmoon Slide
Soft Slab Skier
Remotely Triggered
D2 , R3 6100 South
02/04/2019 - 11:00
Forecaster Observation - Marion Lake, Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 10-20
12/12/2018 - 16:00
Forecaster Observation- Rescue Creek, Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft 10-20
12/19/2017 - 21:45
Forecaster Observation - Spider Bowl, Swan Range
Soft Slab Natural D2.5 , unknown Above 6,500 ft Northwest
02/13/2019 - 09:30
Forecaster Observation- Grant Ridge, Flathead Range
Soft Slab Natural D3 , R3 Above 6,500 ft Southeast 3
02/12/2019 - 21:45
Forecaster Observation - WMR Sidecountry
Soft Slab Natural D1.5 , R2 6400 Northeast 10-20
12/15/2018 - 18:15
Forecaster Observation - Mt. Adams, Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft 5
02/17/2018 - 22:15
Izak Walton backcountry resort
Soft Slab Natural D2 Above 6,500 ft
01/10/2018 - 16:45
Forecaster Observation- Dickey Cr, Flathead Range
Soft Slab Natural Above 6,500 ft Southeast
04/17/2019 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 Between 5,000 and 6,500 ft Northwest
01/06/2019 - 12:45
Forecaster Observation - Marion Lake, Flathead Range
Soft Slab Natural D1 , R1 Above 6,500 ft East
04/06/2018 - 12:00
Forecaster Observation - Mt. Stanton, GNP
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Southwest 5

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