Date and Time of Avalanche Avalanche Typesort descending Trigger Size Starting Elevation Aspect Number of avalanches
04/18/2020 - 13:30
Forecaster Observation - Flathead Range
Loose Dry/ Sluff Natural D1.5 Above 6,500 ft 10
12/27/2019 - 13:30
Forecaster Observation- Swan Range
Loose Dry/ Sluff Skier D1 , R1 Between 5,000 and 6,500 ft Northeast 2
03/01/2020 - 11:45
Forecaster Observation - central Flathead Range
Loose Dry/ Sluff Natural D1 , R1 5750 North 1
02/11/2020 - 12:15
Central Glacier Park
Loose Dry/ Sluff Natural D1.5 , R2 Between 5,000 and 6,500 ft South 10
03/09/2020 - 10:00
Park Creek
Loose Dry/ Sluff Natural D1.5 , R2 Above 6,500 ft North 20
01/31/2020 - 13:00
Forecaster Observation - WMR
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 6050 Southeast 1
11/21/2019 - 14:00
Forecaster Observation: Central Swan Range
Loose Dry/ Sluff Unknown D1.5 , R1 Above 6,500 ft Southwest 1
02/25/2020 - 13:45
Forecaster Observation- Swan Range
Loose Dry/ Sluff Natural D1.5 , R1 Between 5,000 and 6,500 ft West 1
03/01/2019 - 19:00
Forecaster Observation - Hellroaring, Canyon Creek
Loose Dry/ Sluff Skier D1 , R1 6200 East 1
02/09/2020 - 14:45
Forecaster Observation - JFS Canyon
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5650 West 2
04/02/2020 - 14:00
canyon creek to kimmerly basin
Loose Dry/ Sluff Natural D1.5 , R2 Above 6,500 ft East 1
12/27/2019 - 17:00
Forecaster observation - Ninko Creek
Loose Dry/ Sluff Natural D1.5 , R1 Above 6,500 ft Northeast 1
02/12/2020 - 00:45
Central Glacier Park
Loose Dry/ Sluff Natural D1.5 , R2 Between 5,000 and 6,500 ft South 10
02/13/2019 - 00:30
Forecaster Observation - Marion Lake, Flathead Range
Loose Dry/ Sluff Natural D1 , R1 5000-7000' 1
03/12/2020 - 13:30
Forecaster Observation - Northern Whitefish Range
Loose Dry/ Sluff Skier
Accidentally Triggered
D1 Between 5,000 and 6,500 ft North 1
02/17/2020 - 13:30
BNSF Avalanche Safety - Snowslip Mtn. GNP
Loose Dry/ Sluff Natural D1 , R1 Between 5,000 and 6,500 ft East 4
01/31/2020 - 14:00
Forecaster Observation - WMR
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 5500 North 4
12/09/2017 - 13:30
Forecaster Observation - Mt. Thompson-Seton, Whitefish Range
Loose Dry/ Sluff Skier
Intentionally Triggered
D1 , R1 Above 6,500 ft Northeast 1
11/21/2019 - 12:00
Forecaster Observation: Central Swan Range
Loose Dry/ Sluff Natural D1 Above 6,500 ft 4
01/11/2020 - 08:30
Forecaster Observation- Central GNP
Loose Dry/ Sluff Natural D1.5 , R1 8

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