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Date and Time of Avalanche | Avalanche Type | Trigger |
Size![]() |
Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
12/28/2020 - 12:00 Forecaster Observation - Northern Swan Range |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Northeast | 2 |
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 | |
03/23/2021 - 10:00 Forecaster Observation - Flathead Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southeast | 10 |
01/17/2020 - 12:00 Forecaster Observation - Central Swan |
Soft Slab | Natural | D1 , R1 | 20 | ||
04/01/2020 - 01:00 Forecaster Observation - Flathead Range |
Soft Slab | Natural | D1 , R1 | Between 5,000 and 6,500 ft | 6 | |
02/12/2019 - 14:15 Forecaster Observation - Stanton Lake, Flathead Range |
Soft Slab | Skier | D1 , R1 | Between 5,000 and 6,500 ft | 1 | |
01/07/2022 - 12:00 Forecaster Observation: Southern Whitefish Range |
Soft Slab | Natural | D1 | Below 5,000 ft | 20 | |
01/05/2021 - 13:30 BNSF Avalanche Safety - Snowslip Mtn. GNP |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | 5600 | Southeast | 1 |
02/12/2020 - 13:30 Forecaster Observation - Flathead Range |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | South | 1 |
03/15/2018 - 18:45 Glacier National Park |
Soft Slab | Natural | D1 , R1 | 1 | ||
11/23/2022 - 05:00 Forecaster Observation - Noisy Basin |
Soft Slab | Natural | D1 , R1 | 6000' | Northeast | 1 |
12/31/2019 - 14:30 Forecaster Observation -Northern Swan Range |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | East | 2 |
02/04/2020 - 14:00 Forecaster Observation: Swan Range |
Soft Slab |
On Foot (includes snowshoers, climbers/mountaineers, and hikers)
Remotely Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | East | 1 |
03/12/2020 - 10:00 BNSF Avalanche Safety - Snowslip Mtn GNP |
Wet Loose | Natural | D1 , R1 | Below 5,000 ft | Southeast | 1 |
01/12/2022 - 08:00 Goulie |
Hard Slab | Natural | D1 , R2 | Above 6,500 ft | North | 1 |
04/09/2021 - 12:30 Forecaster Observation - Flathead Range |
Wet Loose |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | Southeast | 2 |
12/12/2020 - 14:15 Forecaster Observation: Ten Lakes |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D1 , R1 | 7300' | Northwest | 1 |
01/28/2020 - 10:00 Forecaster Observation - Central Swan Range |
Soft Slab | Unknown | D1 , R2 | Between 5,000 and 6,500 ft | Northeast | 1 |
01/05/2020 - 14:00 Forecaster Observation - Marias Pass |
Cornice |
Skier
Intentionally Triggered |
D1 , R2 | 5800 feet | Northeast | 1 |
02/09/2021 - 11:00 Forecaster Observation: Southern Whitefish Range |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | Northeast | 1 |