Stubborn wind slabs in the Swan
Location Name: Forecaster Observation - Swan Crest Observation date: Saturday, January 18, 2020 - 14:45 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Tabs
Avalanche Details:
Date and Time of Avalanche:
Friday, January 17, 2020 - 07:00
Number of avalanches:
4
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Within storm snow
Trigger:
natural
Aspect:
West
Starting Elevation:
near-treeline
Destructive Size:
D1.5
Relative Size:
R2 Small
Crown Height:
Less than 1 ft
Avalanche Length (Vertical Run):
500ft.
Avalanche Location:
4" thick storm slabs that ran yesterday