Avalanche

Avalanche: Rock Canyon

John WProvo
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Avalanche

Slab Width
61 m
Weak Layer
Wet grains
Trigger Type
Natural
Avalanche Type
Wet Loose
Start Zone Aspect
Northeast
Avalanche Problem
Wet Snow
Start Zone Elevation
2438 m

This ran from the top of the ridge nearly to the trail--about 2000 ft in total. At 7:50am, we heard three large gunshot-like cracks. In total, it rumbled for over two minutes with a lot of rocks involved. It seems to have been triggered by a cornice. It appeared to go all the way down to the facets near the ground.