Date and Time of Avalanche Avalanche Type Trigger Size Starting Elevation Aspectsort descending Number of avalanches
02/25/2018 - 20:00
Forecaster Observation - Marion Lake, Flathead Range
Soft Slab Skier
Intentionally Triggered
D2 , R1 Above 6,500 ft Southeast 1
02/07/2020 - 12:00
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1.5 , R1 Above 6,500 ft Southeast 12
02/12/2020 - 12:15
Forecaster Observation - Flathead Range
Soft Slab Skier
Intentionally Triggered
D1.5 , R3 Between 5,000 and 6,500 ft Southeast 1
03/19/2019 - 11:45
Forecaster Observation - Southern Glacier Park
Wet Loose Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Southeast 1
03/14/2020 - 12:15
Flathead Range
Loose Dry/ Sluff Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 1
04/04/2020 - 11:45
Forecaster Observation - Flathead Range
Wet Loose Natural D1.5 , R2 Between 5,000 and 6,500 ft Southeast 6
01/19/2019 - 17:15
Essex Creek
Hard Slab Natural D2.5 5200 Southeast 1
01/01/2020 - 11:30
BNSF Avalanche Safety - Snowslip Mtn GNP
Soft Slab Skier
Intentionally Triggered
D1.5 , R3 5600 Southeast 2
03/14/2020 - 12:30
Flathead Range
Loose Dry/ Sluff Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
12/13/2018 - 23:30
BNSF Avalanche Program-Snowslip Mtn-Glacier Park
Hard Slab On Foot (includes snowshoers, climbers/mountaineers, and hikers)
Intentionally Triggered
D1.5 , R4 Between 5,000 and 6,500 ft Southeast 1
02/20/2020 - 11:45
Flathead Range
Loose Dry/ Sluff Natural D1 , R1 Above 6,500 ft Southeast 1
03/01/2019 - 19:30
Forecaster Observation - Hellroaring, Canyon Creek
Loose Dry/ Sluff Natural D1 , R1 6300 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
03/25/2019 - 19:45
Forecaster Observation - Southern Swan Range
Glide Natural D3 , R3 Between 5,000 and 6,500 ft Southeast 1
02/28/2020 - 13:15
Forecaster Observation- Central GNP
Wet Loose D2.5 , R2 Between 5,000 and 6,500 ft Southeast 1
02/09/2020 - 12:45
Forecaster Observation - Flathead Range, Middle Fork Corridor
Soft Slab Skier
Intentionally Triggered
D1 , R1 Between 5,000 and 6,500 ft Southeast 1
04/04/2020 - 12:45
Forecaster Observation - Flathead Range
Wet Loose Natural D2 , R2 Between 5,000 and 6,500 ft Southeast 1
01/01/2020 - 13:15
BNSF Avalanche Safety - Snowslip Mtn GNP
Soft Slab Natural D2 , R2 5800 Southeast 1
02/11/2020 - 13:30
Forecaster Observation - Flathead Range
Soft Slab Natural D1.5 , R1 Between 5,000 and 6,500 ft Southeast 1
04/08/2020 - 11:45
Forecaster Observation - Middle Fork
Wet Loose Skier D1 , R1 Between 5,000 and 6,500 ft Southeast 5

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