Observation Date:
December 17, 2020
Submitted:
December 17, 2020
Zone or Region:
West South
Activity:
Skiing/Snowboarding
Location:
Crystal E peak Cement Basin
Did you observe any avalanches?
Yes
Avalanche Type:
Hard Slab
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
Ridge top
Aspect:
E
Comments:
Large remote trigger cornice collapse along the E aspect ridge line of East peak into cement basin.
Photo:
Did you see shooting cracks?
Yes, Widespread
Did you experience collapsing or whumpfing?
Yes, Isolated
Heavy wind loading occurring all day the cornice collapse was natural and propagated ~100 feet