Date and Time of Avalanche | Avalanche Type |
Trigger![]() |
Size | Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
04/18/2020 - 13:30 Forecaster Observation - Flathead Range |
Loose Dry/ Sluff | Natural | D1.5 | Above 6,500 ft | 10 | |
02/04/2018 - 23:00 Forecaster Observation - Crystal Creek Zone, Flathead Range |
Hard Slab | Natural | D3 , R3 | Above 6,500 ft | East | 1 |
03/03/2022 - 12:00 Forecaster Observation - Link Mountain |
Wet Loose | Natural | D1.5 , R2 | 5700 | West | 6 |
02/20/2021 - 01:30 Forecaster Observation/Near Miss - Northern Swan |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | Southeast | 1 |
12/13/2019 - 08:45 Forecaster Observation - Northern Flathead Range |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | East | 1 |
12/12/2018 - 05:00 Noisy Basin |
Hard Slab |
Natural
Cornice Fall Triggered |
D1.5 , R2 | Above 6,500 ft | Northeast | 1 |
02/07/2022 - 12:30 Middlefork |
Unknown |
Natural
Cornice Fall Triggered |
D3 , R3 | 7350 | East | 2 |
01/26/2021 - 11:00 East Fork of Tunnel Creek |
Loose Dry/ Sluff | Natural | D2 , R1 | 8000 | East | 1 |
03/23/2019 - 19:15 Forecaster Observation - Swan Range |
Wet Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | South | 1 |
12/22/2020 - 01:00 Forecaster Observation - Northern Swan Range |
Hard Slab | Natural | D2.5 , R3 | Above 6,500 ft | Northeast | 2 |
03/22/2021 - 22:00 Forecaster Observation - Flathead Range |
Loose Dry/ Sluff | Natural | D1 , R1 | Between 5,000 and 6,500 ft | North | 5 |
02/11/2019 - 09:30 Forecaster Observation - Lost Johnny, Swan Range |
Soft Slab | Natural | D1 , R1 | 1 | ||
02/08/2018 - 23:00 Forecaster Observation - Ousel Peak to Skiumah Lake, Flathead Range |
Hard Slab | Natural | D2 , R3 | Between 5,000 and 6,500 ft | North | 1 |
03/12/2022 - 08:45 Skiumah |
Soft Slab | Natural | D2 , R2 | Above 6,500 ft | North | 1 |
02/23/2021 - 12:15 Forecaster Observation - Swan Range |
Hard Slab | Natural | D2.5 , R3 | 6500' | Southwest | 1 |
12/20/2019 - 18:45 Essex Creek |
Hard Slab | Natural | D3 | Above 6,500 ft | Northeast | 1 |
12/19/2017 - 23:15 Forecaster Observation - Middle Fork Corridor |
Soft Slab | Natural | D2.5 , R3 | Above 6,500 ft | 1 | |
02/28/2020 - 13:30 Forecaster Observation - central Flathead Range |
Wet Loose | Natural | D1 | Between 5,000 and 6,500 ft | South | 5 |
03/19/2019 - 15:00 Skook Chutes |
Wet Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | South | 1 |
01/07/2022 - 12:00 Forecaster Observation: Southern Whitefish Range |
Soft Slab | Natural | D1.5 , R3 | Between 5,000 and 6,500 ft | Southwest | 1 |