Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of avalanches
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
01/15/2020 - 14:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier D1 4
02/06/2019 - 12:45
Forecaster Observation - Mt. Brown, GNP
Loose Dry/ Sluff Natural D1 , R1 1
02/24/2020 - 20:00
Rescue Creek
Loose Dry/ Sluff Natural D1.5 , R1 Between 5,000 and 6,500 ft Southeast 1
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
01/06/2022 - 13:30
Forecaster Observation - East of WMR
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Southwest 4
02/10/2020 - 12:00
Forecaster Observation: Norther Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft Southeast 12
12/28/2019 - 13:00
Forecaster Observation - WMR sidecountry
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 6100 Southeast 2
02/20/2022 - 12:30
Forecaster Observation - Northern Swan Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft Northeast 3
01/28/2020 - 12:30
Forecaster Observation - WMR Sidecountry
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 6400 feet East 1
02/08/2019 - 16:30
Forecaster Observation - Marion Lake, Flathead Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1.5 , R2 1
02/24/2020 - 20:00
Rescue Creek
Loose Dry/ Sluff Natural D2 , R1 Between 5,000 and 6,500 ft Southeast 1
01/07/2019 - 13:30
Marion Lake
Loose Dry/ Sluff Skier
Accidentally Triggered
D1.5 Between 5,000 and 6,500 ft South 1
01/16/2020 - 09:45
Forecaster Observation - Northern Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Below 5,000 ft South 5
01/06/2022 - 14:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R2 Between 5,000 and 6,500 ft North 1
02/10/2020 - 11:30
Forecaster Observation: Norther Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft South 5
12/28/2019 - 14:45
Forecaster Observation - WMR sidecountry
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 6100 West 3
12/05/2020 - 13:15
Lake Evangeline
Loose Dry/ Sluff Natural D1.5 , R1 Between 5,000 and 6,500 ft Southwest 6
01/28/2020 - 11:15
North WMR
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft 1
03/15/2020 - 12:45
Forecaster Observation - WMR sidecountry
Loose Dry/ Sluff Natural D1 , R2 Between 5,000 and 6,500 ft Southwest 3

Pages