Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of avalanches
02/21/2020 - 15:00
Forecaster Observation - Northern Swan Range
Cornice Natural
Cornice Fall Triggered
D2 , R2 Above 6,500 ft Northeast 1
03/01/2020 - 11:45
Forecaster Observation - central Flathead Range
Loose Dry/ Sluff Natural D1 , R1 5750 North 1
02/12/2020 - 13:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1 , R1 Below 5,000 ft South 3
03/09/2020 - 10:00
Park Creek
Loose Dry/ Sluff Natural D1.5 , R2 Above 6,500 ft North 20
01/10/2020 - 14:45
Forecaster Observation - southern Glacier NP
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5400 Southeast 1
04/12/2022 - 12:30
Forecaster Observation - northern Flathead Range
Loose Dry/ Sluff Natural D1 , R1 5500 Northwest 1
03/13/2019 - 18:15
Forecaster Observation - Wahoo Creek, Flathead Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Northeast 1
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor
Loose Dry/ Sluff Natural D1 , R1 South 5
03/23/2021 - 16:00
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1.5 , R1 Between 5,000 and 6,500 ft Northeast 6
11/12/2020 - 12:45
Snyder Lake - GNP
Loose Dry/ Sluff Natural D1.5 Northwest 1
01/17/2020 - 12:00
Forecaster Observation - Central Swan
Loose Dry/ Sluff Natural D2 , R2 Above 6,500 ft West 2
02/27/2021 - 14:30
Forecaster Observation - upper Whitefish River
Loose Dry/ Sluff Natural D2 , R2 Between 5,000 and 6,500 ft South 1
04/02/2020 - 14:00
canyon creek to kimmerly basin
Loose Dry/ Sluff Natural D1.5 , R2 Above 6,500 ft East 1
02/12/2020 - 15:00
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Below 5,000 ft East 5
02/28/2022 - 15:00
Forecaster Observation - southern Whitefish Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1.5 , R1 Between 5,000 and 6,500 ft Northeast 10
03/12/2020 - 13:30
Forecaster Observation - Northern Whitefish Range
Loose Dry/ Sluff Skier
Accidentally Triggered
D1 Between 5,000 and 6,500 ft North 1
02/17/2020 - 13:30
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft Northeast 4
04/10/2021 - 14:00
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 7
01/13/2019 - 15:30
Misery Basin East Runs, Swan Range
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft Northeast 1
05/06/2019 - 14:00
Forecaster Observation - Central Glacier NP
Loose Dry/ Sluff Skier
Intentionally Triggered
D1.5 , R1 Above 6,500 ft Northwest 1

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