Deadman's Pass - San Joaquin Ridge
Wednesday, December 6, 2017 - 10:00am
This report came in 2nd hand from a reliable source, but with limited information.
A party of skiers on Wednesday Dec 6 went out to ski Deadman's Pass off the San Juaquin Ridge. The first skier ski cut the upper part of the slope, and a sizeable wind slab avalanche resulted. No one was caught. From pictures, the crown looked to be a couple hundred feet wide, and 1-2ft high. It seemed to the reporting party that there hadn't been significant new windloading for several days since the moderate to strong winds of the weekend, and they were suprised that the wind slab was still reactive.
Take home message: That depending on what wind slabs are on top of, they can remain a problem for much longer than expected after winds have calmed down. In this case, it is likely that the wind slab that was triggered was sitting ontop of some weak sugary faceted snow, but that is a presumption and hasn't been varified.