Date and Time of Avalanche | Avalanche Type | Trigger | Size |
Starting Elevation![]() |
Aspect | Number of avalanches |
---|---|---|---|---|---|---|
03/29/2020 - 13:15 Forecaster Observation - JF Stevens Canyon |
Glide | Natural | D1 , R2 | 4300 | East | 1 |
12/29/2021 - 16:00 Forecaster Observation - Running Rabbit Mountain |
Soft Slab |
Skier
Accidentally Triggered |
D1 , R1 | 4300 feet | South | 1 |
04/18/2019 - 13:15 Forecaster Observation - Flathead Range |
Wet Loose |
Skier
Intentionally Triggered |
D1 | 4600 | Northeast | 1 |
02/27/2021 - 10:30 Forecaster Observation - upper Whitefish River |
Soft Slab | Snowmobiler | D1.5 , R2 | 4800 | Southwest | 1 |
01/20/2022 - 22:00 Forecaster Observation - Middle Fork |
Wet Loose | Natural | D2 , R2 | 5000 feet | North | 2 |
03/15/2022 - 16:00 Mt. Brown |
Wet Loose |
Skier
Accidentally Triggered |
D1 , R1 | 5000' | West | 3 |
02/15/2019 - 18:15 Forecaster Observation - Rescue Creek, Flathead Range |
Soft Slab | Natural | D2 , R3 | 5000'-7000' | South | 1 |
02/13/2019 - 00:30 Forecaster Observation - Marion Lake, Flathead Range |
Soft Slab | Natural | 5000-7000' | 1 | ||
02/13/2019 - 00:30 Forecaster Observation - Marion Lake, Flathead Range |
Loose Dry/ Sluff | Natural | D1 , R1 | 5000-7000' | 1 | |
01/30/2019 - 12:00 Forecaster Observation - Red Meadow Lake |
Hard Slab | Snowmobiler | D1 , R3 | 5100 | Northeast | 1 |
02/09/2020 - 15:00 Forecaster Observation - JFS Canyon |
Soft Slab |
Skier
Accidentally Triggered |
D1 , R2 | 5100 | West | 1 |
01/30/2020 - 12:30 Cascadilla Creek |
Hard Slab |
Snowboarder
Accidentally Triggered |
D2 , R2 | 5150 | North | 1 |
12/05/2020 - 13:00 Granite Park |
Wet Loose | Natural | D1 , R1 | 5200 | South | 10 |
Forecaster Observation - Essex | Wet Loose |
Skier
Intentionally Triggered |
D1 | 5200 | Southeast | 3 |
03/14/2020 - 12:00 Forecaster Observation - Apgar Range and Lake McDonald |
Soft Slab | Natural | D1 , R2 | 5200 | Northeast | 1 |
01/19/2019 - 17:15 Essex Creek |
Hard Slab | Natural | D2.5 | 5200 | Southeast | 1 |
04/10/2019 - 10:00 Forecaster observation: Marias Pass |
Wet Loose | Natural | D1 , R2 | 5200 feet | Northwest | 1 |
01/31/2022 - 16:30 Forecaster Observation - John F. Stevens Canyon |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R2 | 5250 | Southeast | 1 |
01/13/2021 (All day) Java |
Soft Slab | Natural | D2.5 | 5300 | Northeast | 1 |
04/18/2019 - 12:00 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D2 , R3 | 5300 | North | 1 |