Avalanche: Weber Canyon

Observer Name
Michael Janulaitis
Observation Date
Friday, January 8, 2016
Occurrence Date
Friday, January 8, 2016
Occurence Time
9:30am

Region:

Location Name or Route
Weber Canyon
Elevation
10500
Aspect
Northwest
Slope Angle
36
Trigger
Skier
Trigger: additional info
Unintentionally Triggered
Avalanche Type
Soft Slab
Avalanche Problem
Persistent Slab
Weak Layer
Facets
Depth
14"
Width
30
Vertical
100
Comments

I was up in the Uintas today in the Weber Basin drainage where I triggered this slide at 10500 on a NW aspect.  There was 25 cm's of new medium density snow.  When I was skiing just below a roll over midf-slope I felt it was time to depart.  Just after skiing off the main line to the skiers right to a less dangerous location I looked over my shoulder and noticed the crown and snow running.  Upon investigation I was surprised to notice the snow did not slide on the new snow/old snow interface.  Instead, a 5 cm layer just below the new snow capped on top with a light melt-freeze (which the new snow is sitting on top) was sitting on top of another melt-freeze crust layer (~1 cm thick) with near surface facets on top.  This is the layer that failed. Looking at the first pic you see my first tracks lookers left.  Notice just before I kicked out, I skied over a rock.  Since this slide ran on a persistent weak layer, although I am doubtful, I was wondering if this is where I triggered the slide. 

Forecaster Comment: Michael, thank you for posting this information and all your top notch observations.   

 

Coordinates