Date and Time of Avalanche |
Avalanche Type![]() |
Trigger | Size | Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
03/17/2022 - 14:00 BNSF Avalanche Safety - Snowslip Mtn GNP |
Wet Loose | D1.5 , R1 | Between 5,000 and 6,500 ft | South | 6 | |
04/10/2019 - 10:00 Forecaster observation: Marias Pass |
Wet Loose | Natural | D1 , R2 | 5200 feet | Northwest | 1 |
01/07/2022 - 12:00 Swan River State Forest |
Wet Loose | Natural | D1 , R1 | Below 5,000 ft | South | 12 |
03/19/2019 - 07:15 BNSF Avalanche Program-JFS Canyon |
Wet Loose | Natural | D2 | Between 5,000 and 6,500 ft | 1 | |
04/05/2021 - 18:00 Forecaster Observation: Southern Whitefish Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southwest | 5 |
01/11/2019 - 17:15 Forecaster Observation-Mt Brown, GNP |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | 1 | |
03/01/2022 - 09:00 Forecaster Observation - Whitefish Range |
Wet Loose | Natural | D2 , R3 | Between 5,000 and 6,500 ft | Southwest | 3 |
Going to the Sun Road | Wet Loose | Natural | D2 | Above 6,500 ft | South | 1 |
04/27/2021 - 12:00 Going-to-the-Sun Road |
Wet Loose | Natural | D1.5 | Above 6,500 ft | 15 | |
04/01/2022 - 12:00 Flathead Range |
Wet Loose | Skier | D1 , R1 | 1 | ||
03/02/2022 - 08:00 Lake McDonald Area |
Wet Loose | Natural | D2 | Below 5,000 ft | Southeast | 2 |
03/16/2020 - 13:15 Forecaster Observation - Northern Flathead Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southeast | 4 |
02/21/2020 - 12:15 Flathead Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southeast | 2 |
02/01/2020 - 12:00 Forecaster Observation - Northern Whitefish Range |
Wet Loose | Natural | D2 | Between 5,000 and 6,500 ft | West | 6 |
04/09/2020 - 14:15 Forecaster Observation - Central Swan Range |
Wet Loose | Natural | D2.5 | Above 6,500 ft | 20 | |
03/07/2018 - 12:00 Mount Grant and Grant Glacier |
Wet Loose | Natural | D1.5 , R1 | Between 5,000 and 6,500 ft | Southeast | 1 |
02/27/2020 - 14:45 Forecaster Observation - Flathead Range |
Wet Loose |
Skier
Intentionally Triggered |
D1 | Below 5,000 ft | North | 2 |
05/03/2022 - 10:00 Middle Fork |
Wet Loose | Natural | D1 | 5500-7000' | Southeast | 10 |
02/28/2020 - 15:15 Forecaster Observation - Jewel Basin |
Wet Loose | Natural | D1 | Above 6,500 ft | Southwest | 4 |
03/17/2019 - 15:15 BNSF Avalanche Program-JFS Canyon |
Wet Loose | D2 | Between 5,000 and 6,500 ft | 1 |