Date and Time of Avalanche |
Avalanche Type | Trigger | Size | Starting Elevation | Aspect | Number of avalanches |
|---|---|---|---|---|---|---|
| Sperry | 1 | |||||
| Kona | Soft Slab |
Snowboarder
Accidentally Triggered |
D1.5 , R2 | Between 5,000 and 6,500 ft | North | 1 |
| False Shields ‘6996’ | 1 | |||||
| Canyon Cr- football field | 1 | |||||
|
11/22/2017 - 17:45 Forecaster Observation - Skiumah Lake, Flathead Range |
Unknown | Natural | D2.5 , R3 | Above 6,500 ft | North | 1 |
|
11/22/2017 - 21:30 Forecaster Observation - Rescue Creek, Flathead Range |
Unknown | Natural | D2 | Above 6,500 ft | 1 | |
|
12/02/2017 - 17:15 Forecaster Observation - Skiumah Lake, Flathead Range |
Hard Slab | Natural | D2 , R2 | Above 6,500 ft | North | 1 |
|
12/09/2017 - 13:00 Forecaster Observation - Mt. Stanton, Glacier National Park |
Wet Loose | Natural | D1.5 , R1 | Above 6,500 ft | South | 1 |
|
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 |
|
12/10/2017 - 14:15 Forecaster Observation - Mt. Stanton, Glacier National Park |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Northeast | 1 |
|
12/14/2017 - 13:15 Forecaster Observation - Little Matterhorn, Glacier National Park |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D2 , R1 | 7000 | Northeast | 1 |
|
12/16/2017 - 13:00 Forecaster Observation - Rescue Creek, Flathead Range |
Loose Dry/ Sluff |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Northeast | 1 |
|
12/18/2017 - 12:15 Canyon Creek, southern Whitefish Range |
Soft Slab | Natural | D1 | 1 | ||
|
12/19/2017 - 08:15 Forecaster Observation - Ghoulie Ridge, Whitefish Range |
Soft Slab | Natural | D1.5 , R1 | Between 5,000 and 6,500 ft | Northeast | 1 |
|
12/19/2017 - 13:00 Forecaster Observation - Ghoulie Ridge, Whitefish Range |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | South | 1 |
|
12/19/2017 - 13:30 Forecaster Observation - Ghoulie Ridge, Whitefish Range |
Soft Slab | Natural | D1 , R1 | Between 5,000 and 6,500 ft | 1 | |
|
12/19/2017 - 15:45 Forecaster Observation - Middle Fork Corridor |
Soft Slab | Natural | D1.5 , R1 | Below 5,000 ft | 1 | |
|
12/19/2017 - 16:15 Forecaster Observation - Middle Fork Corridor |
Soft Slab | Natural | D2 , R2 | Between 5,000 and 6,500 ft | 1 | |
|
12/19/2017 - 20:00 Pro Observation - Whitefish Mountain Resort |
Soft Slab | 1 | ||||
|
12/19/2017 - 21:45 Forecaster Observation - Spider Bowl, Swan Range |
Soft Slab | Natural | D2.5 , unknown | Above 6,500 ft | Northwest | 1 |
