Date and Time of Avalanchesort descending Avalanche Type Trigger Size Starting Elevation Aspect Number of avalanches
11/17/2019 - 13:15
Forecaster Observation - Southern Flathead Range
Wet Loose Natural D1 , R1 Above 6,500 ft 4
11/19/2019 - 13:30
Forecaster Observation - Central Glacier Park
Soft Slab Natural D1.5 , R1 Above 6,500 ft South 5
11/19/2019 - 14:15
Forecaster Observation - Southern Flathead Range
Unknown Natural D1.5 , R2 Above 6,500 ft 7
11/19/2019 - 14:15
Forecaster Observation - Central Glacier Park
Hard Slab Natural D3 , R3 7500 Northeast 2
11/19/2019 - 17:30
Forecaster Observation - Central Glacier Park
Unknown Natural D3 , R3 7500 Northeast 1
11/21/2019 - 12:00
Forecaster Observation: Central Swan Range
Loose Dry/ Sluff Natural D1 Above 6,500 ft 4
11/21/2019 - 14:00
Forecaster Observation: Central Swan Range
Loose Dry/ Sluff Unknown D1.5 , R1 Above 6,500 ft Southwest 1
12/02/2019 - 14:00
BNSF Avalanche Program-Snowslip Mtn. GNP
Unknown Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft Southeast 1
12/08/2019 - 00:45
Great Northern
Soft Slab Natural D2.5 , R3 Above 6,500 ft Northeast 2
12/08/2019 - 00:45
Great Northern
Soft Slab Natural D1.5 , R2 Above 6,500 ft Northeast 4
12/08/2019 - 03:30
Forecaster Observation: Lake McDonald Area
Unknown Natural D2.5 , R2 Between 5,000 and 6,500 ft Northwest 2
12/08/2019 - 03:30
Forecaster Observation: Lake McDonald Area
Unknown Natural D2 , R2 Above 6,500 ft Southwest 2
12/08/2019 - 09:00
Avalanche Lake
Unknown Natural D3 , R3 Between 5,000 and 6,500 ft Northeast 3
12/08/2019 - 13:00
Forecaster Observation: Lake McDonald Area
Soft Slab Skier
Intentionally Triggered
D1 , R2 Above 6,500 ft East 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
12/12/2019 - 14:00
Forecaster Observation - Swan Range (west side access)
Cornice Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Northeast 2
12/13/2019 - 05:00
Forecaster Observation: Flathead Range
Unknown Natural D1.5 Above 6,500 ft Southeast 3
12/13/2019 - 08:30
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft Northeast 4
12/13/2019 - 08:30
Forecaster Observation - Flathead Range
Soft Slab Natural D3 , R3 Above 6,500 ft Northeast 1
12/13/2019 - 08:45
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R2 Above 6,500 ft Northeast 1

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