Avalanche

Avalanche: Porter Fork

Peter DonnerSalt Lake
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Avalanche

Slab Width
46 m
Vertical Fall
183 m
Slab Thickness
61 cm
Start Zone Aspect
Northeast
Start Zone Elevation
2713 m

Slope failed on 3rd ski cut, underneath rocky outcrop, 35 degrees steep. Weak layer was facets above November bed surface. Fracture propagated 100 feet uphill, and 150 feet across the run, pulling out less steep 30 degree terrain. Avalanche ran 600 vertical feet.