Avalanche

Avalanche: Upper Horse Creek

UAC ObserverMoab
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Quick report

Slope Angle
40°

Avalanche

Slab Width
1067 m
Weak Layer
New Snow/Old Snow Interface
Trigger Type
Natural
Avalanche Type
Soft Slab
Slab Thickness
137 cm
Trigger Detail
Repeater
Start Zone Aspect
Northeast
Start Zone Elevation
3658 m

Massive slide. R4/5D3+. Difficult to see most of crown at and below convexity. Debris pile was huge, covering the entire upper canyon. This was possibly D4. So large we just couldn't see it all. Portions of crown filled in, other 4-5 ft deep.