North facing, wind loaded, wind compacted slab.
Somewhat convex where slab broke off.
Should not have skied this top feature at treeline in conditions like this.
Avalanche Information
Skier triggered, 2’ crown, 40’ wide, size 2. Most debris stopped on bench above these other photos (upper half of slide path). Slide carried skier on to next pitch, 300m total, safely on top when it came to a stop.