Date and Time of Avalanche![]() |
Avalanche Type | Trigger | Size | Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
12/05/2020 - 16:30 Lake Evangeline |
Soft Slab | Natural | D2.5 , R1 | Above 6,500 ft | Northeast | 1 |
12/05/2020 - 15:00 Southern Flathead Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | South | 3 |
12/05/2020 - 14:30 Lake Evangeline |
Loose Dry/ Sluff | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southwest | 2 |
12/05/2020 - 13:15 Lake Evangeline |
Loose Dry/ Sluff | Natural | D1.5 , R1 | Between 5,000 and 6,500 ft | Southwest | 6 |
12/05/2020 - 13:00 S.Fork Logan Creek |
Wet Loose | Natural | D1 , R1 | Above 6,500 ft | Southwest | 1 |
12/05/2020 - 13:00 Granite Park |
Wet Loose | Natural | D1 , R1 | 5200 | South | 10 |
12/04/2020 - 12:00 Camas Drainage |
Hard Slab | Natural | D2 , R3 | Above 6,500 ft | East | 1 |
12/03/2020 - 14:00 Forecaster Observation - Swan Range |
Wet Loose | Natural | D2 , R2 | Above 6,500 ft | West | 20 |
12/03/2020 - 12:00 Granite Park |
Unknown | Natural | unknown , unknown | 7500' | Southeast | 1 |
12/03/2020 - 12:00 Granite Park |
Wet Loose | Natural | D1 , R1 | 6900' | Southwest | 3 |
12/02/2020 - 14:00 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D1.5 , R1 | Between 5,000 and 6,500 ft | Southeast | 12 |
12/02/2020 - 13:00 Mount Brown - GNP |
Wet Loose | Natural | D1.5 , R1 | Above 6,500 ft | South | 4 |
12/02/2020 - 12:00 Forecaster Observation - Whitefish Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southwest | 2 |
12/02/2020 - 12:00 Apgar Crest |
Wet Loose | Natural | D2 , R1 | Above 6,500 ft | Southwest | 8 |
11/27/2020 - 12:00 Mount Brown - GNP |
Soft Slab | Natural | D2.5 , R3 | 6700 | Northwest | 1 |
11/27/2020 - 12:00 Mount Brown - GNP |
Unknown | Natural | D2 , unknown | Between 5,000 and 6,500 ft | Northwest | 1 |
11/27/2020 - 12:00 Mount Brown - GNP |
Unknown | Natural | D2 , R1 | North | 1 | |
11/25/2020 - 00:45 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D1.5 , R2 | Between 5,000 and 6,500 ft | North | 6 |
11/22/2020 - 12:30 East Ridge of Heavens Peak |
Cornice |
On Foot (includes snowshoers, climbers/mountaineers, and hikers)
Accidentally Triggered |
D2.5 , R2 | 7400' | North | 1 |
11/22/2020 - 12:30 Forecaster Observation: Southern Glacier Park |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | East | 1 |