Date and Time of Avalanche Avalanche Type Trigger Sizesort descending Starting Elevation Aspect Number of avalanches
03/24/2020 - 08:00
Forecaster Observation - Northern Whitefish Range
Soft Slab Natural D1 , R1 Above 6,500 ft Northeast 1
01/10/2019 - 12:45
Forecaster Observation- Grave Creek, Northern Whitefish Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southwest 1
12/28/2020 - 12:00
Forecaster Observation - Northern Swan Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 2
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft 6
03/23/2021 - 10:00
Forecaster Observation - Flathead Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Southeast 10
01/17/2020 - 12:00
Forecaster Observation - Central Swan
Soft Slab Natural D1 , R1 20
04/01/2020 - 01:00
Forecaster Observation - Flathead Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft 6
01/20/2019 - 17:00
Forecaster Observation- Kona, Whitefish Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft North 1
01/05/2021 - 13:30
BNSF Avalanche Safety - Snowslip Mtn. GNP
Soft Slab Skier
Intentionally Triggered
D1 , R1 5600 Southeast 1
02/12/2020 - 13:30
Forecaster Observation - Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft South 1
12/31/2019 - 14:30
Forecaster Observation -Northern Swan Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft East 2
03/01/2019 - 19:30
Forecaster Observation - Hellroaring, Canyon Creek
Loose Dry/ Sluff Natural D1 , R1 6300 Southeast 1
02/04/2020 - 14:00
Forecaster Observation: Swan Range
Soft Slab On Foot (includes snowshoers, climbers/mountaineers, and hikers)
Remotely Triggered
D1 , R1 Between 5,000 and 6,500 ft East 1
03/12/2020 - 10:00
BNSF Avalanche Safety - Snowslip Mtn GNP
Wet Loose Natural D1 , R1 Below 5,000 ft Southeast 1
02/17/2018 - 20:30
Professional Observation - Blaine Mtn, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft Northeast 1
01/26/2019 - 15:30
Forecaster Observation - Essex Mt, Flathead Range
Soft Slab Skier
Accidentally Triggered
D1 , R1 6400' North 1
04/09/2021 - 15:30
Forecaster Observation - Flathead Range
Soft Slab Skier D1 , R1 Between 5,000 and 6,500 ft North 2
01/05/2020 - 14:00
Forecaster Observation - Marias Pass
Cornice Skier
Intentionally Triggered
D1 , R2 5800 feet Northeast 1
03/11/2019 - 14:15
Forecaster Observation - Link Mountain
Soft Slab Skier
Accidentally Triggered
D1 , R1 6200 Northeast 1
02/09/2021 - 11:00
Forecaster Observation: Southern Whitefish Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 1

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