Storm slab cycle in Cascade Creek
Location Name: Forecaster Observation - Cascade Creek, Flathead Range Observation date: Thursday, February 14, 2019 - 18:15 |
Is this an Avalanche Observation: Yes |
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Observation made by: Public
Tabs
Avalanche Details:
Date and Time of Avalanche:
Wednesday, February 13, 2019 - 06:15
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Within storm snow
Trigger:
natural
Starting Elevation:
near-treeline
Destructive Size:
D2 Could bury, injure, or kill a person.
Relative Size:
R2 Small
Crown Height:
1 ft
Avalanche Location:
Date and Time of Avalanche:
Thursday, February 14, 2019 - 18:45
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Unknown
More information or comments about the avalanche:
Observed from a long distance away. Looked like it could be a PS on the 2/2 suncrust, but not sure. Couldn't see the runout but assume it ran most of the track and was around D3 in size.
Trigger:
natural
Aspect:
Southeast
Starting Elevation:
above-treeline
Destructive Size:
D3 - Could destroy a car, a wood house, or snap trees
Relative Size:
R3 Medium
Crown Height:
3 ft
Avalanche Length (Vertical Run):
2400ft.
Avalanche Width (Average width):
200ft.
Avalanche Location:
Various aspects, mid elevations. Likely upper elevations too but crowns were obscured by subsequent wind.