Valanga

Avalanche: Box Canyon Headwall

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Avalanche

Slab Width
24 m
Weak Layer
New Snow/Old Snow Interface
Trigger Type
Natural
Vertical Fall
152 m
Avalanche Type
Soft Slab
Slab Thickness
36 cm
Start Zone Aspect
East
Avalanche Problem
New Snow
Start Zone Elevation
2896 m

Looks like it was initiated by loose snow sliding off rocks. Perhaps sun induced, given directly east aspect. Not a huge slide but the debris was funneled and piled up deeply in a shallow mid-slope gully.