Date and Time of Avalanche![]() |
Avalanche Type | Trigger | Size | Starting Elevation | Aspect | Number of avalanches |
---|---|---|---|---|---|---|
01/15/2018 - 13:45 Pro Observation - John F Stevens Canyon, Flathead Range |
Wet Loose | Natural | D1.5 | 1 | ||
01/15/2018 - 18:00 Grant Ridge (Upper Disbrow Creek/Tunnel Creek) |
Hard Slab | Natural | D3.5 | Above 6,500 ft | Northeast | 1 |
01/20/2018 - 12:30 Forecaster Observation - Rescue Creek, Flathead Range |
Soft Slab | Natural | D2 , unknown | Above 6,500 ft | East | 1 |
01/21/2018 - 20:30 Tranquil Basin, Flathead Range |
1 | |||||
01/22/2018 - 00:00 South Fork, Dickey Creek |
Loose Dry/ Sluff |
Skier
Accidentally Triggered |
D1 , R1 | Northeast | 1 | |
01/23/2018 - 13:15 Marion Lake |
Soft Slab |
Skier
Accidentally Triggered |
D1 , R1 | Between 5,000 and 6,500 ft | Northwest | 1 |
01/23/2018 - 20:00 upper Marion and Dickey Creek |
1 | |||||
01/24/2018 - 13:15 Noisy Basin, Swan Range |
Soft Slab | Natural | D2 , R3 | Above 6,500 ft | Northwest | 1 |
01/24/2018 - 15:00 Noisy Basin, Swan Range |
Soft Slab |
Skier
Intentionally Triggered |
D2 | Between 5,000 and 6,500 ft | Northeast | 1 |
01/26/2018 - 03:30 Rescue Creek - Flathead Range |
Hard Slab | Unknown | D3 , R3 | Between 5,000 and 6,500 ft | North | 1 |
01/27/2018 - 22:30 Forecaster Observation - Skiumah Lake, Flathead Range |
Unknown | Natural | D3 | Above 6,500 ft | North | 1 |
01/28/2018 - 11:45 Canyon Creek - southern Whitefish Range |
1 | |||||
01/28/2018 - 20:45 Cascade and Rescue Crick - Flathead Range |
Hard Slab | 1 | ||||
01/29/2018 - 13:00 Forecaster Observation - Spider Bowl, Swan Range |
Wet Loose | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southwest | 1 |
01/29/2018 - 13:00 Jewel Basin, Swan Range |
Hard Slab |
Natural
Cornice Fall Triggered |
D3 , R3 | Above 6,500 ft | East | 1 |
01/29/2018 - 13:45 Forecaster Observation - Skiumah Lake, Flathead Range |
Wet Loose | Natural | D1.5 , R1 | Between 5,000 and 6,500 ft | 1 | |
01/29/2018 - 15:45 Mount Cameahwait |
Soft Slab | Natural | D2 | Above 6,500 ft | East | 1 |
01/30/2018 - 12:45 Skiumah, Flathead Range |
Hard Slab |
Cornice Intentionally Triggered |
D2.5 , R3 | Above 6,500 ft | North | 1 |
02/01/2018 - 12:00 Forecaster Observation - Spider Bowl, Swan Range |
Soft Slab | Natural | D1 , R1 | Between 5,000 and 6,500 ft | Southwest | 1 |
02/01/2018 - 13:45 Forecaster Observation - Skiumah Lake, Flathead Range |
Soft Slab |
Skier
Intentionally Triggered |
D1 , R1 | Above 6,500 ft | Northeast | 1 |