Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
02/11/2018 - 12:00
Forecaster Observation - Ousel Peak to Skiumah Lake, Flathead Range
Hard Slab Natural D1 , R2 Above 6,500 ft 1
Snowslip Mountain/Burnout avalanche path Soft Slab Natural D2.5 , R3 1
Essex 1
12/31/2018 - 22:00
Marion Lake, Flathead Range
1
03/17/2019 - 15:15
BNSF Avalanche Program-JFS Canyon
Wet Loose D2 Between 5,000 and 6,500 ft 1
Wahoo 1
03/20/2019 - 17:30
JFS Canyon
Wet Slab D2.5 1
01/11/2019 - 17:15
Forecaster Observation-Mt Brown, GNP
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft 1
02/01/2020 - 09:30
Forecaster Observation - Flathead Range
Soft Slab Natural D3 , R3 Above 6,500 ft 3
04/11/2019 - 14:45
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft 1
04/06/2020 - 12:00
Roof of the Swan
Soft Slab Natural
Cornice Fall Triggered
2
01/20/2019 - 17:45
Jewel Basin, Swan Range
1
03/21/2019 - 05:00
Haskill Slide
Wet Slab Snowboarder
Accidentally Triggered
D2.5 , R3 Between 5,000 and 6,500 ft 1
Central Flathead Range 1
01/04/2020 - 11:00
Forecaster Observation - BC Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft 5
04/16/2020 - 13:00
Forecaster Observation - Central Swan Range
Wet Loose Natural D1 Above 6,500 ft 6
12/12/2018 - 01:45
Forecaster Observation - Canyon Creek, Whitefish Range
Soft Slab Natural D1.5 , R2 1
02/28/2020 - 12:15
Forecaster Observation- Central GNP
Wet Loose D1.5 10
02/08/2020 - 14:00
Northern Swan Range
Soft Slab Skier D1 1
02/13/2018 - 08:15
Essex Creek, Flathead Range
1

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