Observer Name:
Hardesty, Wilson, Pollick
Observation Date:
Wednesday, January 31, 2018
Avalanche Date:
Wednesday, January 31, 2018
Region:
Alexander Basin
Location Name or Route:
Alexander Basin
Elevation:
9600
Aspect:
Northeast
Slope Angle:
43
Trigger:
Skier
Trigger: additional info:
Cornice Triggered
Avalanche Type:
Soft Slab
Avalanche Problem:
Persistent Weak Layer
Weak Layer:
Facets
Depth:
16"
Width:
70
Vertical:
500
Coordinates:
Intentionally dropped a cornice onto the slope below. Cornice moved down the slope, over a 50' cliffband and triggered the avalanche in the very steep, thin and shallow rocky zone. Ran 500' and left 6' pile of debris.
Photos - Brian and Zinnia checking out the avalanche.