Date and Time of Avalanche | Avalanche Type | Trigger | Size | Starting Elevation |
Aspect![]() |
Number of avalanches |
---|---|---|---|---|---|---|
02/05/2022 - 13:45 Clarence Creek, northern Whitefish Range |
Soft Slab | Unknown | D2 , R3 | 1 | ||
Forecaster Observation - Flathead Range | 1 | |||||
02/28/2020 - 12:15 Forecaster Observation- Central GNP |
Wet Loose | Natural | D1 , R1 | 15 | ||
02/17/2018 - 20:00 Forecaster Observation - Grant Ridge, Flathead Range |
Soft Slab | Natural | D2 | Above 6,500 ft | 1 | |
03/10/2019 - 13:15 Forecaster Observation- Mt Brown, Glacier NP |
Wet Loose | Natural | D1.5 , R1 | 1 | ||
05/02/2022 - 12:15 Forecaster Observation - Noisy Basin |
Wet Loose | Natural | D1.5 , R2 | Above 6,500 ft | 15 | |
02/25/2021 - 13:30 Middle Fork |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | 4 | |
03/20/2019 - 18:15 JFS Canyon |
Wet Loose | Natural | D2.5 | Between 5,000 and 6,500 ft | 1 | |
03/03/2018 - 14:15 Forecaster Observation - Northern Apgars |
Wet Loose | Natural | D1 , R1 | 1 | ||
03/17/2019 - 20:30 BNSF Avalanche Program-JFS Canyon |
Wet Loose | Natural | D1 | Between 5,000 and 6,500 ft | 1 | |
03/28/2021 - 12:00 Swan Range |
Soft Slab | Snowmobiler | 1 | |||
Essex | 1 | |||||
Swan River State Forest | 1 | |||||
04/01/2018 - 23:30 Forecaster Observation- Grant Ridge, Flathead Range |
Soft Slab | Natural | D1.5 , R1 | 1 | ||
Wahoo | 1 | |||||
03/20/2019 - 13:15 Forecaster Observation - Lake McDonald, GNP |
Unknown | Natural | D2.5 , unknown | 1 | ||
Flathead Range | 1 | |||||
Siyeh Bend/East face Piegan Mtn. | 1 | |||||
Goulie, Kona, east of Kona | 1 | |||||
Tranquil Basin | 1 |