Avalanche

Avalanche: South Hollow

Toby WeedLogan
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Quick report

Slope Angle
38°

Avalanche

Slab Width
61 m
Weak Layer
Depth Hoar
Trigger Type
Natural
Vertical Fall
91 m
Avalanche Type
Wet Slab
Slab Thickness
91 cm
Start Zone Aspect
East
Start Zone Elevation
2621 m

We stumbled across these recent large wet slab avalanches, looking down into South Hollow from the Sunday Camp Saddle in Providence Canyon. The broad and deep slabs appear to have been triggered by wet sluffs that initiated in the rocks above and overran the steep slopes below. The avalanches ran on basal layer depth hoar, cleaning out the entire shallow winter's snowpack... I'm not sure when in the last few days these ran, but I'm guessing on the very warm ides of March (3-15-2012)......