Date and Time of Avalanche Avalanche Type Trigger Sizesort descending Starting Elevation Aspect Number of avalanches
03/21/2019 - 19:15
Forecaster Observation - Southern Swan Range
Wet Loose Natural D2.5 , R3 Below 5,000 ft South 1
02/10/2018 - 18:30
Tranquil Basin
Hard Slab Natural
Cornice Fall Triggered
D2.5 , R3 7000 Northeast 1
01/07/2020 - 17:00
BNSF Avalanche Safety - JFS Canyon
Soft Slab Natural D2.5 , R3 Between 5,000 and 6,500 ft Southeast 1
03/01/2022 - 05:45
BNSF Avalanche Safety - Flathead Range
Soft Slab Natural D2.5 , R3 5700 Northeast 1
11/27/2020 - 12:00
Mount Brown - GNP
Soft Slab Natural D2.5 , R3 6700 Northwest 1
03/03/2021 - 15:15
Forecaster Observation - Apgars
Wet Slab Natural D2.5 , R4 Between 5,000 and 6,500 ft West 2
02/03/2021 - 14:00
Forecaster Observation - Essex area
Soft Slab Skier
Remotely Triggered
D2.5 , R3 Above 6,500 ft North 9
12/05/2020 - 16:30
Lake Evangeline
Soft Slab Natural D2.5 , R1 Above 6,500 ft Northeast 1
02/13/2019 - 08:45
BNSF Avalanche Program-Running Rabbit & Snowslip Mtns. GNP
Unknown Natural
Cornice Fall Triggered
D2.5 , R3 Above 6,500 ft East 1
03/03/2021 - 12:00
Forecaster Observation - Glacier National Park
Hard Slab Natural D2.5 Above 6,500 ft Northeast 1
01/13/2021 - 12:30
Mt. Aeneas
Hard Slab Natural D2.5 , R2 Above 6,500 ft Northeast 3
03/21/2019 - 05:00
Haskill Slide
Wet Slab Snowboarder
Accidentally Triggered
D2.5 , R3 Between 5,000 and 6,500 ft 1
03/11/2021 - 12:15
BNSF Avalanche Safety - JFS Canyon
Hard Slab Natural
Cornice Fall Triggered
D2.5 , R2 7700 Southeast 1
01/12/2022 - 12:00
Forecaster Observation - Flathead Range
Unknown Unknown D2.5 , R2 Above 6,500 ft Northeast 1
04/09/2020 - 14:15
Forecaster Observation - Central Swan Range
Wet Loose Natural D2.5 Above 6,500 ft 20
02/05/2022 - 16:00
Middle Fork Flathead
Hard Slab Natural D2.5 , R2 7100 feet Northeast 1
12/19/2018 - 02:00
Forecaster Observation - Skiumah Lake, Flathead Range
Hard Slab Natural D2.5 , R2 7000 North 1
12/20/2019 - 13:00
Forecaster Observation- Central Glacier Park
Unknown Natural D2.5 , R3 Northwest 1
03/06/2020 - 12:00
Forecaster Observation - Middle Fork
Unknown Natural D2.5 , R2 Above 6,500 ft Northeast 1
03/20/2019 - 04:30
Picture Chutes-Whitefish Mountain Resort
Wet Slab Natural D2.5 , R3 Between 5,000 and 6,500 ft South 1

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