Avalanche

Avalanche: Whitney Basin

UAC ObserverUintas
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Quick report

Slope Angle
40°

Avalanche

Slab Width
18 m
Trigger Type
Skier
Vertical Fall
107 m
Avalanche Type
Soft Slab
Slab Thickness
46 cm
Trigger Detail
Intentionally Triggered
Start Zone Aspect
Northeast
Avalanche Problem
New Snow
Start Zone Elevation
3170 m

SS-ASr-R1-D1 at 10,400 NE 18" deep 30' wide ran 200-300', remote triggered from 200' above, shooting cracks into adjacent similar terrain. SS-AS-R2-D1.5 10,500 NE 18" deep 60' wide ran 300'. Both events ran on 20180314 1mm thin friable rime crust bed surface.Suspect cause was collapse of deeper weak layers.