Avalanche

Avalanche: Red Snow Cirque

TrenbeathMoab
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Avalanche

Slab Width
53 m
Weak Layer
Facets
Trigger Type
Natural
Vertical Fall
122 m
Avalanche Type
Hard Slab
Slab Thickness
122 cm
Start Zone Aspect
Northeast
Avalanche Problem
Persistent Weak Layer
Start Zone Elevation
3597 m

Avalanche occurred as a result of Dec 26-27 storm event that produced 19" of snow at 2.6" SWE. Failure is assumed to be on a known persistent weak layer of facets 30-40 cms above the ground that formed during the November high pressure. Avalanche detailed is labeled F. This is a repeat runner this season.