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Observer Name: 
Craig Gordon/Dave Kikkert
Observation Date: 
Thursday, March 8, 2018
Occurrence Date: 
Thursday, March 8, 2018
Occurence Time: 
11:00am
Region: 
Weber Canyon
Location Name or Route: 
Upper Weber Canyon
Elevation: 
10400
Aspect: 
Northeast
Slope Angle: 
38
Trigger: 
Snowboarder
Trigger: additional info: 
Unintentionally Triggered
Avalanche Type: 
Hard Slab
Avalanche Problem: 
Persistent Slab
Weak Layer: 
Facets
Depth: 
2.5'
Width: 
200
Vertical: 
300
Carried: 
1
Caught: 
1
Comments: 

8th person on this slope, collapsed the slab near a rock feature buried under the snowpack. Fortunately, everyone came out on top at the end of the day.

 

Top image- overview of slide path

Middle image- likely trigger point... rock that was barely covered with very weak snow.

Bottom image- unlike recent avalanches in the Wasatch which have failed near the prominent dust layer, Uinta avalanches are breaking beneath that, on a facet/crust sandwich.

Coordinates: 
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