Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of avalanches
02/20/2020 - 11:45
Flathead Range
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft Southeast 1
01/10/2020 - 14:45
Forecaster Observation - southern Glacier NP
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5400 Southeast 1
04/18/2020 - 13:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1.5 Above 6,500 ft 10
01/26/2021 - 11:00
East Fork of Tunnel Creek
Loose Dry/ Sluff Natural D2 , R1 8000 East 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
03/22/2021 - 22:00
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft North 5
04/01/2020 - 12:00
Southern Whitefish Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft 5
12/05/2018 - 10:45
Forecaster Observation - Heavens Peak, GNP
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft 1
12/11/2018 - 12:00
Werner peak rd
Loose Dry/ Sluff Natural D1.5 , R2 Above 6,500 ft Southwest 1
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor
Loose Dry/ Sluff Natural D1 , R1 South 5
03/14/2019 - 14:45
Forecaster Observation - Sprague Creek
Loose Dry/ Sluff Skier
Intentionally Triggered
D1.5 , R2 6450 Northwest 1
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
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
01/13/2019 - 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
02/19/2020 - 14:15
Forecaster Observation - Apgar Range and Swan Range
Loose Dry/ Sluff Natural D1 , R2 Between 5,000 and 6,500 ft South 10

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