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Date and Time of Avalanche | Avalanche Type | Trigger | Size | Starting Elevation |
Aspect![]() |
Number of avalanches |
---|---|---|---|---|---|---|
04/04/2020 - 13:30 Forecaster Observation - Flathead Range |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | Southeast | 2 |
12/09/2018 - 03:30 Forecaster Observation - Mt. Adams, Flathead Range |
Hard Slab | Natural | D3 , R4 | 7400 | Southeast | 1 |
04/07/2020 - 13:45 Forecaster Observation |
Wet Loose | Natural | D1.5 | Between 5,000 and 6,500 ft | Southeast | 6 |
03/04/2022 - 12:00 WMR Sidecountry |
Soft Slab | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southeast | 1 |
12/13/2019 - 05:00 Forecaster Observation: Flathead Range |
Unknown | Natural | D1.5 | Above 6,500 ft | Southeast | 3 |
02/01/2022 - 17:00 Essex area |
Soft Slab | Natural | D2 | Southeast | 1 | |
02/24/2020 - 20:00 Rescue Creek |
Loose Dry/ Sluff | Natural | D2 , R1 | Between 5,000 and 6,500 ft | Southeast | 1 |
03/23/2021 - 14:00 Forecaster Observation - Flathead Range |
Wet Loose |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | Southeast | 2 |
04/20/2020 - 12:00 Flathead Range |
Wet Loose | Natural | D1.5 , R2 | Between 5,000 and 6,500 ft | Southeast | 5 |
01/31/2021 - 12:00 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southeast | 2 |
01/01/2021 - 12:15 Forecaster Observation - southern Whitefish Range |
Soft Slab | Unknown | D1.5 , R3 | 6000 | Southeast | 1 |
04/05/2021 - 12:30 Going-to-the-Sun Road, Glacier Wall |
Glide | Natural | D2 , R2 | Between 5,000 and 6,500 ft | Southeast | 1 |
03/11/2018 - 12:15 Forecaster Observation - Rescue Creek, Flathead Range |
Wet Loose | Natural | D1 , R2 | Between 5,000 and 6,500 ft | Southeast | 1 |
04/04/2020 - 13:30 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D1.5 , R2 | Between 5,000 and 6,500 ft | Southeast | 5 |
03/06/2021 - 13:00 Forecaster Observation - Skyland |
Hard Slab | Natural | unknown , unknown | Above 6,500 ft | Southeast | 1 |
03/04/2022 - 12:00 WMR Sidecountry |
Wet Loose | Natural | D1.5 , R1 | Between 5,000 and 6,500 ft | Southeast | 7 |
12/16/2021 - 12:15 Forecaster Observation - Southern Glacier Park |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Southeast | 1 |
12/22/2020 - 12:00 Forecaster Observation - Flathead Range |
Unknown | Natural | D2 | Above 6,500 ft | Southeast | 1 |
01/13/2020 - 08:00 Forecaster Observation - Northern Whitefish Range |
Hard Slab | Natural | D2 , R2 | Southeast | 1 | |
02/24/2021 - 12:15 Forecaster Observations - John F. Stevens Canyon |
Hard Slab |
Artificial (Explosives) Intentionally Triggered |
D3 , R3 | 6700 | Southeast | 1 |