Date and Time of Avalanche | Avalanche Type | Trigger | Size | Starting Elevation |
Aspect![]() |
Number of avalanches |
---|---|---|---|---|---|---|
04/20/2018 - 12:45 Mt. Cannon, GNP |
Soft Slab | Natural | Above 6,500 ft | Southwest | 1 | |
02/02/2022 - 03:30 BNSF Avalanche Safety - Running Rabbit Mtn. GNP |
Soft Slab | Natural | D2 , R2 | 7000 | Southwest | 1 |
12/24/2020 - 14:45 Forecaster Observation - |
Loose Dry/ Sluff |
Snowboarder
Intentionally Triggered |
D1 | Between 5,000 and 6,500 ft | Southwest | 2 |
02/05/2019 - 12:15 Forecaster Observation - Canyon Creek |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | 6400 | Southwest | 1 |
02/28/2020 - 14:15 Forecaster Observation - Middle Fork and John F. Stevens Canyon |
Wet Loose | Natural | D1 , R1 | 6000 | Southwest | 5 |
03/21/2018 - 14:00 Forecaster Observation - Huckleberry Mountain, Apgar Range |
Wet Loose | Natural | D1.5 , R2 | Between 5,000 and 6,500 ft | Southwest | 1 |
02/11/2020 - 12:00 Hornet Lookout |
Hard Slab | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southwest | 3 |
03/04/2021 - 14:30 Forecaster Observation: Lake McDonald Area |
Wet Loose | Natural | D2 , R1 | Above 6,500 ft | Southwest | 1 |
03/01/2022 - 06:15 BNSF Avalanche Safety - JFS Canyon |
Wet Loose | Natural | D1.5 , R2 | Between 5,000 and 6,500 ft | Southwest | 6 |
03/21/2019 - 15:15 Forecaster Observation- Road Observations |
Wet Loose | Natural | D2.5 | Between 5,000 and 6,500 ft | Southwest | 1 |
04/19/2018 - 13:00 Mt. Cannon, GNP |
Soft Slab | Natural | Above 6,500 ft | Southwest | 1 | |
03/22/2019 - 15:15 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D3.5 , R3 | Above 6,500 ft | Southwest | 1 |
Forecaster Observation - southern Whitefish Range | Soft Slab | Natural | D1.5 | Below 5,000 ft | Southwest | 2 |
04/25/2022 - 14:15 Going-to-the-Sun Road corridor |
Wet Loose | Natural | D1.5 | Above 6,500 ft | Southwest | 20 |
02/23/2021 - 15:30 Forecaster Observations - John F. Stevens Canyon |
Unknown | Natural | D2 , R3 | Between 5,000 and 6,500 ft | Southwest | 1 |
02/28/2020 - 14:30 Forecaster Observation - Swan Range |
Wet Loose | Natural | D2 | Above 6,500 ft | Southwest | 2 |
01/06/2022 - 13:30 Forecaster Observation - East of WMR |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | Southwest | 4 |
12/02/2020 - 12:00 Apgar Crest |
Wet Loose | Natural | D2 , R1 | Above 6,500 ft | Southwest | 8 |
Canyon creek | Soft Slab |
Skier
Intentionally Triggered |
D1.5 | Between 5,000 and 6,500 ft | Southwest | 3 |
02/11/2020 - 12:45 Hornet Lookout |
Hard Slab |
Natural
Cornice Fall Triggered |
D2.5 , R2 | 6800 | Southwest | 1 |