Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of avalanches
01/06/2021 - 01:00
Forecaster Observation - Skyland area
Cornice Natural D2 , R2 Above 6,500 ft East 4
03/27/2022 - 13:00
BNSF Avalanche Safety - JFS Canyon
Cornice Natural D2 , R1 6600 East 1
03/03/2020 - 14:15
Forecaster Observation - Northern Flathead Range
Cornice Natural D1.5 Above 6,500 ft Northeast 1
03/05/2022 - 12:00
Southern Glacier National Park
Cornice Natural D1 , R1 Above 6,500 ft East 5
01/08/2021 - 14:00
Noisy Basin
Cornice Natural 1
11/22/2020 - 12:30
East Ridge of Heavens Peak
Cornice On Foot (includes snowshoers, climbers/mountaineers, and hikers)
Accidentally Triggered
D2.5 , R2 7400' North 1
03/28/2022 - 12:00
Forecaster Observation - Flathead Range
Cornice Natural D2 Above 6,500 ft East 1
02/02/2020 - 18:30
Mt. Aeneas
Cornice Natural D2 Above 6,500 ft 1
12/12/2019 - 14:00
Forecaster Observation - Swan Range (west side access)
Cornice Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft Northeast 2
04/06/2020 - 14:30
Forecaster Observation - Flathead Range
Cornice Natural D3 Above 6,500 ft East 1
04/07/2020 - 14:45
Forecaster Observation
Cornice Natural D2 1
02/20/2020 - 13:45
Forecaster Observation- Flathead Range
Cornice Natural D1.5 Above 6,500 ft Northeast 2
02/18/2020 - 12:00
Forecaster Observation - Flathead Range
Cornice Natural D2.5 Above 6,500 ft Northeast 1
04/22/2018 - 13:00
Forecaster Observation- Heavens Peak, GNP
Cornice Skier
Accidentally Triggered
D2 , R1 Above 6,500 ft Northeast 1
02/28/2019 - 18:30
Forecaster Observation - Baldhead ridge
Cornice Natural
Cornice Fall Triggered
D1.5 , R3 Above 6,500 ft Southwest 1
12/22/2021 - 12:15
Forecaster Observation - Swan Range
Cornice Natural D1 , R1 Between 5,000 and 6,500 ft Northeast 5
03/06/2020 - 12:15
Forecaster Observation - Middle Fork
Cornice Natural D1.5 , R2 Above 6,500 ft East 4
03/12/2021 - 13:30
BNSF Avalanche Safety - Running Rabbit Mtn. GNP
Cornice Skier
Remotely Triggered
D2 , R1 7400 East 1
01/10/2020 - 12:45
Forecaster Observation - southern Glacier NP
Cornice Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft East 2
01/26/2021 - 11:00
East Fork of Tunnel Creek
Loose Dry/ Sluff Natural D2 , R1 8000 East 1

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