Date and Time of Avalanche | Avalanche Type | Trigger | Size | Starting Elevation |
Aspect![]() |
Number of avalanches |
---|---|---|---|---|---|---|
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 | |
03/20/2019 - 17:30 JFS Canyon |
Wet Slab | D2.5 | 1 | |||
03/18/2019 - 13:45 BNSF Avalanche Program-JFS Canyon |
Wet Loose | Natural | D2 | 1 | ||
01/09/2018 - 20:30 Forecaster Observation - Skiumah, Flathead Range |
Soft Slab | Natural | D1.5 , R1 | Between 5,000 and 6,500 ft | 1 | |
Marion Lake | 1 | |||||
04/11/2019 - 14:45 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D2 , R2 | Between 5,000 and 6,500 ft | 1 | |
03/03/2018 - 10:00 Forecaster Observation - Rescue Creek, Flathead Range |
Wet Loose | Natural | D1 , R1 | 1 | ||
03/17/2019 - 07:30 Forecaster Observation - Lake McDonald, GNP |
Wet Loose | Natural | D2 | Above 6,500 ft | 1 | |
01/21/2018 - 20:30 Tranquil Basin, Flathead Range |
1 | |||||
01/04/2020 - 11:00 Forecaster Observation - BC Flathead Range |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | 5 | |
01/07/2019 - 18:45 Forecaster Observation - Peak 6996, GNP |
Hard Slab | Natural | D3 , R4 | Above 6,500 ft | 1 | |
03/10/2018 - 12:00 Forecaster Observation- Mt Adams, Flathead Range |
Wet Loose | Natural | D1 , R1 | 1 | ||
Marias pass | 1 | |||||
03/22/2019 - 16:30 Picture Chutes-Whitefish Mountain Resort |
Wet Slab | Explosive | D2.5 | Between 5,000 and 6,500 ft | 1 | |
04/27/2021 - 15:45 Going-to-the-Sun Road |
Wet Loose | Natural | D2 | Above 6,500 ft | 30 | |
01/19/2019 - 12:30 Forecaster Observation - South Fork of Canyon Creek, Whitefish Range |
Soft Slab | Natural | D1 , R2 | Below 5,000 ft | 1 | |
03/14/2020 - 13:15 Forecaster Observation - Northern Flathead Range |
Unknown | Natural | D2 , unknown | 1 | ||
12/04/2018 - 12:00 Crater Notch Peak |
Soft Slab | Skier | D1 , R1 | 1 | ||
Swan Range | 1 |