Date and Time of Avalanche |
Avalanche Type![]() |
Trigger | Size | Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
03/06/2020 - 12:00 Forecaster Observation - Flathead Range |
Hard Slab | Unknown | D3 | Above 6,500 ft | Northeast | 1 |
02/11/2020 - 12:45 Hornet Lookout |
Hard Slab |
Natural
Cornice Fall Triggered |
D2.5 , R2 | 6800 | Southwest | 1 |
12/20/2019 - 13:30 Upper Holland Lake |
Hard Slab |
Natural
Cornice Fall Triggered |
D3 | Above 6,500 ft | 2 | |
12/19/2018 - 02:00 Forecaster Observation - Skiumah Lake, Flathead Range |
Hard Slab | Natural | D2.5 , R2 | 7000 | North | 1 |
03/05/2021 - 12:00 Central Swans |
Hard Slab |
Natural
Cornice Fall Triggered |
D2 , R2 | Above 6,500 ft | Northeast | 1 |
12/22/2020 - 02:00 BNSF Avalanche Safety - Snowslip Mtn. GNP |
Hard Slab | Natural | D2.5 , R2 | Above 6,500 ft | Southeast | 1 |
02/10/2018 - 18:30 Tranquil Basin |
Hard Slab |
Natural
Cornice Fall Triggered |
D2.5 , R3 | 7000 | Northeast | 1 |
04/06/2022 - 11:00 Forecaster Observation: Southern Whitefish Range |
Hard Slab |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | East | 1 |
03/14/2021 - 15:00 Forecaster Observation - Flathead Range |
Hard Slab | Natural | D2.5 , R2 | Above 6,500 ft | Southeast | 1 |
04/14/2020 - 12:15 Flathead Range |
Hard Slab |
Natural
Cornice Fall Triggered |
D2 , R2 | 7400' | Northeast | 1 |
12/20/2019 - 05:15 BNSF Avalanche Safety - JFS Canyon |
Hard Slab |
Natural
Cornice Fall Triggered |
D3 , R3 | 7300 feet | North | 1 |
04/01/2020 - 02:45 Forecaster Observation - Flathead Range |
Hard Slab | Natural | D3 , R3 | Above 6,500 ft | Northeast | 1 |
02/08/2018 - 10:15 Forecaster Observation- McDonald Creek, GNP |
Hard Slab | Natural | D3.5 , R4 | 1 | ||
02/08/2019 - 19:45 Forecaster Observation- Rescue Creek, Flathead Range |
Hard Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | West | 1 |
12/23/2021 - 11:00 Forecaster Observation - N of WMR |
Hard Slab |
Skier
Cornice Fall Triggered |
D1 , R2 | 6700' | North | 2 |
12/22/2020 - 02:00 Flathead Range |
Hard Slab | Natural | D3 , R3 | Above 6,500 ft | Northeast | 3 |
02/24/2021 - 12:00 Forecaster Observations - John F. Stevens Canyon |
Hard Slab |
Artificial (Explosives) Intentionally Triggered |
D3 , R3 | 7000 | East | 1 |
01/10/2018 - 20:45 Forecaster Observation - Red Meadow, Northern Whitefish Range |
Hard Slab | Natural | D3 , R3 | Above 6,500 ft | 1 | |
04/01/2020 - 02:45 Forecaster Observation - Flathead Range |
Hard Slab | Natural | D3 , R3 | Above 6,500 ft | Northeast | 1 |
01/26/2018 - 03:30 Rescue Creek - Flathead Range |
Hard Slab | Unknown | D3 , R3 | Between 5,000 and 6,500 ft | North | 1 |