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| Date and Time of Avalanche | Avalanche Type |
Trigger |
Size | Starting Elevation | Aspect | Number of avalanches |
|---|---|---|---|---|---|---|
|
01/14/2019 - 16:45 Great Bear Peak/Skiumah Creek |
1 | |||||
|
02/20/2019 - 05:30 Marion Lake |
1 | |||||
|
12/06/2018 - 16:45 Cascadilla, Mmiddle Fork |
1 | |||||
|
03/20/2019 - 03:45 Picture Chutes-Whitefish Mountain Resort |
Wet Slab | 20 lb ANFO explosive | D2.5 , R4 | Between 5,000 and 6,500 ft | South | 1 |
|
12/13/2019 - 10:00 Forecaster Observation - Southern Whitefish Range |
Soft Slab | AE | D1.5 | Between 5,000 and 6,500 ft | 2 | |
|
01/23/2020 - 14:30 Teton Pass winter sports area |
Hard Slab |
AE (large ANFO) Intentionally Triggered |
D3 , R3 | Above 6,500 ft | East | 1 |
|
03/13/2019 - 00:45 Forecaster Observation - Skiumah Creek, Flathead Range |
Hard Slab | Believe it was initiated by ice fall | D3 , R2 | ~7000' | North | 1 |
|
01/30/2018 - 12:45 Skiumah, Flathead Range |
Hard Slab |
Cornice Intentionally Triggered |
D2.5 , R3 | Above 6,500 ft | North | 1 |
|
03/21/2019 - 16:15 Picture Chutes-Whitefish Mountain Resort |
Wet Slab | Explosive | D2.5 | South | 1 | |
|
03/22/2019 - 16:30 Picture Chutes-Whitefish Mountain Resort |
Wet Slab | Explosive | D2.5 | Between 5,000 and 6,500 ft | 1 | |
|
01/01/2020 - 13:00 Hellroaring Basin |
Soft Slab | Explosive | D1 , R2 | Between 5,000 and 6,500 ft | West | 4 |
|
12/20/2019 - 07:45 Forecaster Observation- Southern Whitefish Range |
Soft Slab |
Explosive Intentionally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | East | 4 |
|
01/01/2020 - 13:00 Hellroaring Basin |
Soft Slab | Explosive | D2 , R3 | Between 5,000 and 6,500 ft | South | 4 |
|
04/15/2020 - 00:45 Flathead Range |
Hard Slab | Natural | D2 , R2 | 7000' | Northeast | 1 |
|
02/07/2020 - 08:00 Forecaster Observation - Flathead Range |
Loose Dry/ Sluff | Natural | D1 , R1 | Above 6,500 ft | Northwest | 2 |
|
02/04/2018 - 23:00 Forecaster Observation - Crystal Creek Zone, Flathead Range |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | East | 1 |
|
12/20/2019 - 13:00 Forecaster Observation- Central Glacier Park |
Unknown | Natural | D2.5 , R3 | Northwest | 1 | |
|
02/28/2020 - 13:45 Flathead Range |
Wet Loose | Natural | D2 , R2 | Between 5,000 and 6,500 ft | Southeast | 1 |
|
04/09/2019 - 12:00 Forecaster observation: Marias Pass |
Wet Loose | Natural | D1.5 , R1 | Below 5,000 ft | Northwest | 1 |
|
03/22/2019 - 15:00 Forecaster Observation - Flathead Range |
Wet Slab | Natural | D3 , R3 | Between 5,000 and 6,500 ft | West | 1 |
