Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
02/10/2021 - 14:30
Tranquil basin
Unknown Natural D2.5 , R3 Above 6,500 ft Southeast 1
01/31/2022 - 12:00
BNSF Avalanche Safety - Running Rabbit Mtn. GNP
Soft Slab Natural D2 , R2 7200 Southeast 1
01/14/2020 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 1
02/10/2022 - 14:00
Forecaster Observation - Flathead Range
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 3
02/28/2020 - 11:15
Forecaster Observation - Middle Fork and John F. Stevens Canyon
Wet Loose Natural D1.5 6500 Southeast 5
12/26/2020 - 06:30
Southern Flathead Range
Glide Natural D3 , R3 7200 Southeast 1
02/20/2022 - 12:00
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1.5 , R2 Between 5,000 and 6,500 ft Southeast 3
02/02/2021 - 12:15
Forecaster Observation: Lake McDonald Area
Soft Slab Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Southeast 3
03/05/2020 - 12:30
Forecaster Observation - John F. Stevens Canyon
Wet Loose Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Southeast 1
02/13/2019 - 08:30
BNSF Avalanche Program-Running Rabbit & Snowslip Mtns. GNP
Soft Slab Natural D1.5 , R4 Below 5,000 ft Southeast 1
01/01/2020 - 13:15
BNSF Avalanche Safety - Snowslip Mtn GNP
Soft Slab Natural D2 , R2 5800 Southeast 1
04/18/2019 - 12:00
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R3 Between 5,000 and 6,500 ft Southeast 1
01/12/2022 - 12:00
Tunnel Ridge
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
04/09/2020 - 12:15
Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 10
03/01/2022 (All day)
Forecaster Observation - Flathead Range
Soft Slab Natural D2 , R3 Between 5,000 and 6,500 ft Southeast 15
12/22/2020 - 02:00
Forecaster Observation: Middle Fork
Wet Loose Natural D1 Between 5,000 and 6,500 ft Southeast 3
02/15/2021 - 13:00
Avalanche Incident: Whale Creek (Skier)
Soft Slab Snowboarder
Accidentally Triggered
D2.5 , R2 6500 Southeast 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
01/13/2020 - 05:00
Forecaster Observation - Flathead Range
Hard Slab Natural D2.5 , R2 Above 6,500 ft Southeast 3
12/22/2021 - 12:00
Forecaster Observation - Flathead Range
Soft Slab Skier
Intentionally Triggered
D1 Between 5,000 and 6,500 ft Southeast 5

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