Date and Time of Avalanche![]() |
Avalanche Type | Trigger | Size | Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
12/21/2020 - 23:15 Flathead Range |
Wet Loose | Natural | D1.5 , R2 | Between 5,000 and 6,500 ft | Southeast | 11 |
12/21/2020 - 23:00 Flathead Range |
Soft Slab | Natural | D3 , R3 | Between 5,000 and 6,500 ft | Southeast | 1 |
12/21/2020 - 23:00 Flathead Range |
Soft Slab | Natural | D2.5 , R3 | Between 5,000 and 6,500 ft | Southeast | 1 |
12/21/2020 - 23:00 Flathead Range |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | Southeast | 6 |
12/21/2020 - 12:15 Mt. Cameahwait/ Snowshed Mountain |
Hard Slab | Natural | D3 , R3 | 7300 | East | 1 |
12/21/2020 - 12:00 Swan Range |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Northwest | 2 |
12/21/2020 - 12:00 Swan Range |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | North | 2 |
12/20/2020 - 09:30 Forecaster Observation: Whitefish Mountain Resort |
Soft Slab |
Skier
Intentionally Triggered |
D2 , R2 | 6600 | Northeast | 3 |
12/20/2020 - 09:15 Forecaster Observation: Whitefish Mountain Resort |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Northeast | 3 |
12/20/2020 - 09:15 Forecaster Observation: Whitefish Mountain Resort |
Soft Slab |
Skier
Intentionally Triggered |
D1.5 , R2 | Above 6,500 ft | Northeast | 2 |
12/20/2020 - 05:00 Marion Lake |
Soft Slab | Unknown | D2 | Between 5,000 and 6,500 ft | Northwest | 1 |
12/20/2020 - 01:00 Swan Range |
Soft Slab | Natural | D2 , R3 | 6900' | Northeast | 1 |
12/20/2020 - 00:30 Standard Peak Zone |
Soft Slab | Natural | D2 , R3 | 6200' | Southeast | 2 |
12/19/2020 - 14:15 WMR sidecountry |
Soft Slab | Skier | D2 , R2 | Between 5,000 and 6,500 ft | Northeast | 1 |
12/17/2020 - 12:00 Forecaster Observation: Southern Whitefish Range |
Soft Slab | Skier | D1 | Above 6,500 ft | Northeast | 3 |
12/17/2020 - 12:00 Southern Whitefish Range |
Soft Slab |
Skier
Intentionally Triggered |
D2 , unknown | Between 5,000 and 6,500 ft | Southwest | 1 |
12/16/2020 - 20:00 Forecaster Observation: Southern Whitefish Range |
Hard Slab | Unknown | D1 | Above 6,500 ft | Northeast | 1 |
12/16/2020 - 12:00 Forecaster Observation - Flathead Range |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Northeast | 1 |
12/16/2020 - 12:00 Canyon Creek |
Soft Slab | Skier | D1 | 1 | ||
12/15/2020 - 13:15 Forecaster Observation - Central Swan Range |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | Northeast | 1 |