cake covering in the Northern Swan
Location Name: Doris Cr Observation date: Monday, January 4, 2021 - 17:00 |
Is this an Avalanche Observation: Yes |
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Observation made by: Professional Observer
Tabs
Avalanche Details:
Date and Time of Avalanche:
Wednesday, December 30, 2020 - 19:15
Number of avalanches:
2
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
New/old snow interface
Trigger:
natural
Start Zone Slope Angle:
35
Aspect:
Northeast
Starting Elevation:
above-treeline
Destructive Size:
D1.5
Relative Size:
R2 Small
Crown Height:
2 ft
Avalanche Length (Vertical Run):
300ft.
Avalanche Width (Average width):
45ft.
Avalanche Location:
looked like a wind slab failing on buried surface hoar