Avalanche: Snake Creek

Observer Name
L. Dunn
Observation Date
Monday, December 3, 2018
Avalanche Date
Monday, December 3, 2018
Region
Salt Lake » Big Cottonwood Canyon » Brighton Perimeter » Snake Creek Pass
Location Name or Route
Snake Creek/Green Slope (back of Brighton)
Elevation
9,400'
Aspect
Southeast
Slope Angle
40°
Trigger
Skier
Trigger: additional info
Unintentionally Triggered
Avalanche Type
Soft Slab
Avalanche Problem
New Snow
Weak Layer
New Snow
Depth
10"
Width
25'
Vertical
100'
Comments
While skiing over a steep breakover (approx 40 degrees at the break, but rapidly loosing steepness below), a small fracture propagated out to the left of the skier and released a small slide approximately 25 feet wide that ran about 100 vertical feet. It was about 10" deep, basically the new snow in the past 24 hours. The skier did not stop and we only saw the avalanche while ascending on the skin track after the run. We didn't examine the bed surface but it was likely some sort of density change in the multi-day storm, or possibly a very subtle sun crust as the slope faces southeast.