Wind affected Swan Range
Location Name: Forecaster Observation - Noisy Basin, Swan Range Observation date: Friday, February 23, 2018 - 14:00 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Location
Tabs
Avalanche Details:
Date and Time of Avalanche:
Saturday, February 17, 2018 - 20:00
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Other - explain below
Trigger:
natural
Start Zone Slope Angle:
35
Aspect:
North
Starting Elevation:
near-treeline
Destructive Size:
D1 Relatively harmless to people.
Relative Size:
R1 Very Small
Crown Height:
2 ft
Avalanche Length (Vertical Run):
25ft.
Avalanche Width (Average width):
30ft.
Avalanche Location:
An 18-24" storm slab that failed on the 2/8 rain crust. This avalanche was located on a convexity in a forested location.