Avalanche was triggered near alders on a convexity showing upper
30 degrees for steepness. The skier who triggered it slid
approximately 20ft before regaining traction on the bed surface.
The depth was mainly 2-3ft, while a cross-loaded gully broke ~8ft
deep. Avalanche runout was 1500ft, on a SE aspect. The lower
section was 30degrees, while it was 37 at the crown.