Avalanche: Beaver Mountain Backside

Observer Name
Karen
Observation Date
Saturday, February 11, 2017
Avalanche Date
Saturday, February 11, 2017
Region
Beaver Mountain Backside
Location Name or Route
Beaver Mountain Periphery (Descending below the ridge that runs south of Beaver Mountain)
Elevation
8,000'
Aspect
East
Slope Angle
28°
Trigger
Skier
Trigger: additional info
Unintentionally Triggered
Avalanche Type
Wet Slab
Avalanche Problem
New Snow
Weak Layer
Wet grains
Depth
14"
Width
10'
Vertical
70'
Comments
While skiing down a slope on the backside of beaver, my partner and I stopped to evaluate the terrain. We decided to descend the next open pitch one at a time. They went first and when they got to the bottom I began descending. While descending, I suddenly noticed that there were signs of snow removed and carried to a debris pile by a previous avalanche (about 10 feet across and 70 vertical feet). I stopped when I made this observation and then saw an avalanche right next to me about 8 feet across move down the slope and stop where the slope of the terrain became more gradual. The avalanche was a thick, slow flowing slab. The slope appeared to be no more than 25 to 30 degrees although a measurement was not taken. The sun had came out a few hours ago and was heating up this open East/Southeast facing slope.

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