Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevationsort descending Aspect Number of avalanches
03/18/2019 - 18:30
Skook Chutes
Wet Slab Natural D1.5 , R2 Between 5,000 and 6,500 ft South 1
01/12/2021 - 13:30
Forecaster Observation-Middle Fork
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft East 2
02/17/2020 - 13:30
Forecaster Observation - Middle Fork
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft Northeast 4
04/10/2019 - 13:00
Forecaster Observation - Flathead Range
Wet Loose Natural D3 , R3 Between 5,000 and 6,500 ft Northeast 1
04/09/2020 - 12:15
Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 10
02/19/2020 - 14:15
Forecaster Observation - Apgar Range and Swan Range
Loose Dry/ Sluff Natural D1 , R2 Between 5,000 and 6,500 ft South 10
01/18/2019 - 05:15
Forecaster Observation- Jewel Basin, Swan Range
Soft Slab Natural D1.5 , R2 Between 5,000 and 6,500 ft North 1
12/17/2020 - 12:00
Southern Whitefish Range
Soft Slab Skier
Intentionally Triggered
D2 , unknown Between 5,000 and 6,500 ft Southwest 1
03/22/2019 - 17:45
Forecaster Observation - Southern Swan Range
Wet Slab Natural D2 , R3 Between 5,000 and 6,500 ft West 1
02/24/2020 - 18:45
Forecaster Observation- Swan Range
Soft Slab Natural D1 , R2 Between 5,000 and 6,500 ft Northeast 2
03/21/2020 - 12:15
Flathead Range
Wet Loose Natural D1 , R1 Between 5,000 and 6,500 ft Northwest 1
02/01/2020 - 12:00
Forecaster Observation - Flathead Range
Wet Loose Natural D1 , R2 Between 5,000 and 6,500 ft 4
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
03/10/2018 - 10:30
Rescue/Penrose/Skiumah - Flathead Range
Soft Slab Skier
Accidentally Triggered
D1.5 , R2 Between 5,000 and 6,500 ft North 1
01/29/2018 - 13:45
Forecaster Observation - Skiumah Lake, Flathead Range
Wet Loose Natural D1.5 , R1 Between 5,000 and 6,500 ft 1
03/17/2019 - 15:15
BNSF Avalanche Program-JFS Canyon
Wet Loose D2 Between 5,000 and 6,500 ft 1
02/08/2020 - 12:00
Forecaster Observation - Central Swan
Soft Slab Unknown D2 Between 5,000 and 6,500 ft Northeast 6
01/11/2020 - 21:30
BNSF Avalanche Safety - Running Rabbit Mtn. GNP
Soft Slab Unknown D2 , R3 Between 5,000 and 6,500 ft South 2
04/20/2020 - 12:00
Flathead Range
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 5
01/13/2020 - 02:00
Forecaster Observation - Flathead Range
Unknown Natural D2 , R3 Between 5,000 and 6,500 ft Southeast 3

Pages