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Date and Time of Avalanche | Avalanche Type | Trigger | Size | Starting Elevation |
Aspect![]() |
Number of avalanches |
---|---|---|---|---|---|---|
02/17/2018 - 22:15 Essex Creek |
Soft Slab | Natural | D2 | Above 6,500 ft | 1 | |
12/29/2017 - 18:15 Forecaster Observation- Cascadilla, Flathead Range |
Soft Slab | D2 | Between 5,000 and 6,500 ft | 1 | ||
04/18/2020 - 16:30 Forecaster Observation - Flathead Range |
Soft Slab | Natural | D2 , R2 | Above 6,500 ft | 4 | |
01/14/2020 - 12:00 Lost Johnny |
Loose Dry/ Sluff |
Natural
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | 25 | |
01/13/2021 - 06:00 central/south swan range |
Glide | Natural | 2 | |||
02/28/2020 - 12:15 Forecaster Observation- Central GNP |
Wet Loose | D2 , R2 | 5 | |||
02/09/2020 - 12:45 Forecaster Observation - Flathead Range, Middle Fork Corridor |
Loose Dry/ Sluff | Skier | D1 , R1 | Between 5,000 and 6,500 ft | 6 | |
02/08/2018 - 12:00 Lake McDonald |
Unknown | D3 | 1 | |||
01/17/2020 - 12:00 Forecaster Observation - Central Swan |
Soft Slab | Natural | D1 , R1 | 20 | ||
04/11/2018 - 17:15 Java Mtn |
1 | |||||
BNSF Avalanche Safety - Snowslip Mtn GNP | 1 | |||||
04/01/2020 - 01:00 Forecaster Observation - Flathead Range |
Soft Slab | Natural | D1 , R1 | Between 5,000 and 6,500 ft | 6 | |
01/07/2022 - 12:00 Forecaster Observation: Southern Whitefish Range |
Soft Slab | Natural | D1 | Below 5,000 ft | 20 | |
01/23/2019 - 08:45 Peak 7798 |
Soft Slab |
Skier
Intentionally Triggered |
D1 | 1 | ||
02/13/2019 - 06:15 Forecaster Observation - Cascade Creek, Flathead Range |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | 1 | |
12/05/2018 - 10:45 Jewel Basin, Swan Range |
1 | |||||
Hwy 2 | 1 | |||||
Mt. Stanton GNP | 1 | |||||
Central Glacier Park | 1 | |||||
02/01/2020 - 09:30 Forecaster Observation - Flathead Range |
Unknown | Natural | D3 , R3 | 2 |