Date and Time of Avalanche Avalanche Type Trigger Sizesort descending Starting Elevation Aspect Number of avalanches
02/12/2020 - 13:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1 , R1 Below 5,000 ft South 3
01/24/2020 - 10:15
Forecaster Observation - Southern Whitefish Range
Wet Loose Natural D1 , R1 Below 5,000 ft Southwest 1
12/30/2019 - 12:00
Skyland - Ptrol Ridge
Unknown Natural
Cornice Fall Triggered
D1 , R1 Above 6,500 ft East 1
02/17/2020 - 13:00
Forecaster Observation - Southern Whitefish Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
01/30/2020 - 11:00
Cascadilla Creek
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southeast 1
04/06/2018 - 08:30
Forecaster Observation - Southern Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft South 1
01/04/2020 - 11:00
Forecaster Observation - BC Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft 5
02/20/2020 - 14:45
Forecaster Observation - Apgar Range and Swan Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 5
03/14/2020 - 15:30
Cascadilla Creek
Loose Dry/ Sluff Natural D1 Below 5,000 ft East 6
01/18/2019 - 13:15
Forecaster Observation- Jewel Basin, Swan Range
Soft Slab Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Northeast 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
12/02/2019 - 14:00
BNSF Avalanche Program-Snowslip Mtn. GNP
Unknown Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft Southeast 1
03/21/2020 - 13:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier D1 , R1 Above 6,500 ft Northeast 2
02/08/2018 - 15:00
Forecaster Observation- Grave Creek, Whitefish Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 1
12/08/2018 - 15:30
Forecaster Observation - Canyon Creek, Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft North 1
12/10/2017 - 14:15
Forecaster Observation - Mt. Stanton, Glacier National Park
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
03/01/2019 - 19:30
Forecaster Observation - Hellroaring, Canyon Creek
Loose Dry/ Sluff Natural D1 , R1 6300 Southeast 1
01/14/2020 - 07:00
Forecaster Observation - Southern Whitefish Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 1
01/14/2020 - 12:00
Lost Johnny
Loose Dry/ Sluff Natural
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft 25
03/29/2020 - 15:00
Forecaster Observation - JF Stevens Canyon
Wet Loose Skier D1 , R2 Below 5,000 ft North 4

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