Date and Time of Avalanche | Avalanche Type | Trigger |
Size![]() |
Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
03/21/2019 - 19:15 Forecaster Observation - Southern Swan Range |
Wet Loose | Natural | D2.5 , R3 | Below 5,000 ft | South | 1 |
02/10/2018 - 18:30 Tranquil Basin |
Hard Slab |
Natural
Cornice Fall Triggered |
D2.5 , R3 | 7000 | Northeast | 1 |
01/07/2020 - 17:00 BNSF Avalanche Safety - JFS Canyon |
Soft Slab | Natural | D2.5 , R3 | Between 5,000 and 6,500 ft | Southeast | 1 |
03/01/2022 - 05:45 BNSF Avalanche Safety - Flathead Range |
Soft Slab | Natural | D2.5 , R3 | 5700 | Northeast | 1 |
11/27/2020 - 12:00 Mount Brown - GNP |
Soft Slab | Natural | D2.5 , R3 | 6700 | Northwest | 1 |
03/03/2021 - 15:15 Forecaster Observation - Apgars |
Wet Slab | Natural | D2.5 , R4 | Between 5,000 and 6,500 ft | West | 2 |
02/03/2021 - 14:00 Forecaster Observation - Essex area |
Soft Slab |
Skier
Remotely Triggered |
D2.5 , R3 | Above 6,500 ft | North | 9 |
12/05/2020 - 16:30 Lake Evangeline |
Soft Slab | Natural | D2.5 , R1 | Above 6,500 ft | Northeast | 1 |
02/13/2019 - 08:45 BNSF Avalanche Program-Running Rabbit & Snowslip Mtns. GNP |
Unknown |
Natural
Cornice Fall Triggered |
D2.5 , R3 | Above 6,500 ft | East | 1 |
03/03/2021 - 12:00 Forecaster Observation - Glacier National Park |
Hard Slab | Natural | D2.5 | Above 6,500 ft | Northeast | 1 |
01/13/2021 - 12:30 Mt. Aeneas |
Hard Slab | Natural | D2.5 , R2 | Above 6,500 ft | Northeast | 3 |
03/21/2019 - 05:00 Haskill Slide |
Wet Slab |
Snowboarder
Accidentally Triggered |
D2.5 , R3 | Between 5,000 and 6,500 ft | 1 | |
03/11/2021 - 12:15 BNSF Avalanche Safety - JFS Canyon |
Hard Slab |
Natural
Cornice Fall Triggered |
D2.5 , R2 | 7700 | Southeast | 1 |
01/12/2022 - 12:00 Forecaster Observation - Flathead Range |
Unknown | Unknown | D2.5 , R2 | Above 6,500 ft | Northeast | 1 |
04/09/2020 - 14:15 Forecaster Observation - Central Swan Range |
Wet Loose | Natural | D2.5 | Above 6,500 ft | 20 | |
02/05/2022 - 16:00 Middle Fork Flathead |
Hard Slab | Natural | D2.5 , R2 | 7100 feet | Northeast | 1 |
12/19/2018 - 02:00 Forecaster Observation - Skiumah Lake, Flathead Range |
Hard Slab | Natural | D2.5 , R2 | 7000 | North | 1 |
12/20/2019 - 13:00 Forecaster Observation- Central Glacier Park |
Unknown | Natural | D2.5 , R3 | Northwest | 1 | |
03/06/2020 - 12:00 Forecaster Observation - Middle Fork |
Unknown | Natural | D2.5 , R2 | Above 6,500 ft | Northeast | 1 |
03/20/2019 - 04:30 Picture Chutes-Whitefish Mountain Resort |
Wet Slab | Natural | D2.5 , R3 | Between 5,000 and 6,500 ft | South | 1 |