Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevationsort descending Aspect Number of avalanches
03/14/2020 - 12:30
Flathead Range
Loose Dry/ Sluff Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
01/13/2021 - 00:45
Glacier Park
Hard Slab Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
12/08/2020 (All day)
Middle Fork
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft Northwest 1
02/17/2021 - 14:15
Avalanche Incident: Canyon Creek (Snowmobiler)
Soft Slab Snowmobiler
Accidentally Triggered
D2 , R3 Between 5,000 and 6,500 ft Northeast 1
03/24/2019 - 17:00
Forecaster Observation - Middle Fork
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft Northwest 1
02/12/2019 - 14:45
Forecaster Observation - Grant Ridge
Soft Slab Skier
Accidentally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 1
12/12/2019 - 13:00
Forecaster Observation: Southern Glacier Park
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft East 3
02/17/2018 - 20:00
Forecaster Observation - Noisy Basin, Swan Range
Soft Slab Natural D1 , R1 Between 5,000 and 6,500 ft North 1
01/13/2021 (All day)
Flathead Range
Soft Slab Natural D2 , R3 Between 5,000 and 6,500 ft Northeast 6
02/23/2021 - 11:30
Forecaster Observation: Southern Glacier Park
Soft Slab Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft East 1
02/08/2020 - 13:00
Forecaster Observation - Flathead Range
Soft Slab Natural D1.5 , R1 Between 5,000 and 6,500 ft 5
03/16/2019 - 13:15
Forecaster Observation-Northern Whitefish Range-
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft South 1
03/07/2018 - 12:00
Mount Grant and Grant Glacier
Wet Loose Natural D1.5 , R1 Between 5,000 and 6,500 ft Southeast 1
02/13/2019 - 03:30
BNSF Avalanche Program-Running Rabbit & Snowslip Mtns. GNP
Unknown Natural D2.5 , R3 Between 5,000 and 6,500 ft South 1
01/26/2018 - 03:30
Rescue Creek - Flathead Range
Hard Slab Unknown D3 , R3 Between 5,000 and 6,500 ft North 1
12/21/2020 - 23:00
Flathead Range
Soft Slab Natural D3 , R3 Between 5,000 and 6,500 ft Southeast 1
03/21/2019 - 15:00
Forecaster Observation- Road Observations
Wet Loose Natural D3 Between 5,000 and 6,500 ft Southwest 1
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
04/05/2019 - 17:00
Forecaster Observation - Glacier Park
Wet Slab Natural D2 Between 5,000 and 6,500 ft Southeast 1
04/11/2018 - 14:00
JFS Canyon and Essex area, Flathead Range
Wet Loose Natural D2 Between 5,000 and 6,500 ft 1

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