Avalanche: Alexander Basin
Observer Name: 
Hardesty, Wilson, Pollick
Observation Date: 
Wednesday, January 31, 2018
Occurrence Date: 
Wednesday, January 31, 2018
Occurence Time: 
9:00am

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 Slab
Weak Layer: 
Facets
Depth: 
16"
Width: 
70
Vertical: 
500
Comments: 

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.

Coordinates: 
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