Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of avalanches
11/21/2019 - 12:00
Forecaster Observation: Central Swan Range
Loose Dry/ Sluff Natural D1 Above 6,500 ft 4
02/17/2018 - 22:15
Essex Creek
Loose Dry/ Sluff Natural D1.5 1
01/11/2020 - 08:30
Forecaster Observation- Central GNP
Loose Dry/ Sluff Natural D1.5 , R1 8
02/25/2020 - 13:00
Forecaster Observation- Swan Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Northeast 2
01/23/2019 - 13:15
Forecaster Observation- Canyon Creek, Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft 1
12/06/2018 - 11:00
Forecaster Observation - Rescue Creek and Skiumah Creek
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft Southeast 1
02/10/2020 - 12:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft 7
04/03/2020 - 14:15
BNSF Avalanche Safety - Wahoo Ridge/Path 1183
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Below 5,000 ft North 5
12/28/2019 - 15:00
Forecaster observation - Ninko Creek
Loose Dry/ Sluff Skier
Accidentally Triggered
D1 , R1 Above 6,500 ft Southeast 2
03/10/2019 - 14:15
Forecaster Observation - Mt. Nyack, Flathead Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
04/04/2020 - 17:45
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Natural D1 Between 5,000 and 6,500 ft East 2
02/25/2020 - 13:00
Forecaster Observation: Southern Glacier Park
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft East 4
03/02/2018 - 23:15
Forecaster Observation - Rescue Creek, Flathead Range
Loose Dry/ Sluff Natural
Cornice Fall Triggered
D2 , R2 Above 6,500 ft Northeast 1
12/06/2018 - 12:00
Forecaster Observation - Noisy/Jewel Divide
Loose Dry/ Sluff Skier D1 , R1 Above 6,500 ft 1
02/10/2020 - 12:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1.5 , R1 Above 6,500 ft 3
12/28/2019 - 13:00
Forecaster Observation - WMR sidecountry
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 6100 Southeast 2
03/14/2020 - 15:30
Cascadilla Creek
Loose Dry/ Sluff Natural D1 Below 5,000 ft East 6
03/21/2020 - 13:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier D1 , R1 Above 6,500 ft Northeast 2
02/08/2020 - 12:15
Tunnel Ridge
Loose Dry/ Sluff Natural D1 Between 5,000 and 6,500 ft Northwest 1
01/16/2020 - 09:45
Forecaster Observation - Northern Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Below 5,000 ft South 5

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