Date and Time of Avalanchesort descending Avalanche Type Trigger Size Starting Elevation Aspect Number of similar avalanches
04/20/2018 - 12:45
Mt. Cannon, GNP
Soft Slab Natural Above 6,500 ft Southwest
04/22/2018 - 13:00
Forecaster Observation- Heavens Peak, GNP
Cornice Skier
Accidentally Triggered
D2 , R1 Above 6,500 ft Northeast
04/23/2018 - 17:45
Little Dog
05/10/2018 - 00:15
Heavens Peak, Glacier Park
Glide Natural D4
11/12/2018 - 19:15
Great Northern, Flathead Range
Soft Slab Skier D1 , R1 Above 6,500 ft Northwest 3
11/25/2018 - 19:00
Forecaster Observation - Heavens Peak, GNP
Hard Slab Natural D1.5 , R1 Above 6,500 ft East
12/02/2018 - 17:15
Forecaster Observation- Mt Brown, Glacier Park
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft South 10-20
12/04/2018 - 12:00
Crater Notch Peak
Soft Slab Skier D1 , R1 1
12/04/2018 - 19:00
Forecaster Observation - Heavens Peak, GNP
Soft Slab Natural D1 , R1 Above 6,500 ft East 3
12/04/2018 - 19:30
Crater Notch Peak
Loose Dry/ Sluff Natural D1 , R1 2
12/05/2018 - 10:45
Jewel Basin, Swan Range
12/05/2018 - 10:45
Forecaster Observation - Heavens Peak, GNP
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft 5
12/05/2018 - 12:00
Skook Chutes / Canyon Creek
Unknown Natural D1.5 3
12/06/2018 - 11:00
Forecaster Observation - Rescue Creek and Skiumah Creek
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft Southeast 5
12/06/2018 - 12:00
Forecaster Observation - Noisy/Jewel Divide
Loose Dry/ Sluff Skier D1 , R1 Above 6,500 ft 3
12/06/2018 - 16:45
Cascadilla, Mmiddle Fork
12/08/2018 - 15:30
Forecaster Observation - Canyon Creek, Whitefish Range
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft North 3
12/09/2018 - 03:30
Forecaster Observation - Mt. Adams, Flathead Range
Hard Slab Natural D3 , R4 7400 Southeast
12/09/2018 - 13:00
Jewel Basin, Swan Range
Wet Loose
12/11/2018 - 12:00
Werner peak rd
Loose Dry/ Sluff Natural D1.5 , R2 Above 6,500 ft Southwest 2

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