Date and Time of Avalanche Avalanche Type Triggersort ascending Size Starting Elevation Aspect Number of avalanches
02/15/2019 - 15:15
Forecaster Observation, Halfmoon Slide
Soft Slab Skier
Remotely Triggered
D2 , R3 6100 South 1
01/10/2020 - 14:45
Forecaster Observation - southern Glacier NP
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5400 Southeast 1
02/08/2019 - 16:30
Forecaster Observation - Marion Lake, Flathead Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1.5 , R2 1
02/09/2020 - 15:00
Forecaster Observation - JFS Canyon
Soft Slab Skier
Accidentally Triggered
D1 , R2 5100 West 1
01/07/2019 - 13:30
Marion Lake
Loose Dry/ Sluff Skier
Accidentally Triggered
D1.5 Between 5,000 and 6,500 ft South 1
01/31/2020 - 13:00
Forecaster Observation - WMR
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 6050 Southeast 1
01/01/2020 - 11:00
Forecaster Observation - Southern Whitefish Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 3
01/05/2020 - 14:00
Forecaster Observation - Marias Pass
Cornice Skier
Intentionally Triggered
D1 , R2 5800 feet Northeast 1
01/25/2019 - 16:15
Snowslip Mounrain, GNP
Soft Slab Skier D1.5 Above 6,500 ft East 1
02/08/2020 - 12:00
Mt. Aeneas Area
Soft Slab Skier
Accidentally Triggered
D1.5 North 1
12/28/2017 - 12:30
Forecaster Observation - Spider Bowl, Swan Range
Soft Slab Skier D1 , R1 1
01/11/2020 - 13:45
Forecaster Observation- Flathead Range
Soft Slab Skier
Intentionally Triggered
D2 , R2 Above 6,500 ft Northwest 2
02/09/2020 - 14:45
Forecaster Observation - JFS Canyon
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5650 West 2
12/16/2018 - 17:30
Forecaster Observation - Noisy Basin
Soft Slab Skier
Cornice Fall Triggered
D2 Above 6,500 ft Northeast 1
12/17/2019 - 12:45
Forecaster Observation - Swan Range
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft East 1
04/04/2020 - 13:15
Forecaster Observation - Middle Fork
Wet Loose Skier
Intentionally Triggered
D1 , R1 Below 5,000 ft North 3
01/31/2020 - 14:00
Forecaster Observation - WMR
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5500 North 4
01/01/2020 - 16:00
Forecaster Observation - Southern Whitefish Range
Soft Slab Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Southwest 2
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
02/17/2018 - 15:00
Forecaster Observation, Canyon Creek, Southern Whitefish Range
Soft Slab Skier unknown , unknown Between 5,000 and 6,500 ft North 1

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