We are not sure whether we remotely triggered this slide or if it occurred naturally. The slide occurred at the top of Dogleg and was approximately 200 feet wide.  The newly formed cornice failed and slide 50 feet or so.  Even with this rapid loading of the slope below. it did not trigger any additional slabs.

See Flygare's observation and photos HERE

Forecaster's Comments:

Here we are set up for a bad situation since this is a popular ascent area, and the common up-track comes up just a bit east of the Dog Leg, under the cornice.  People use this quite often, some almost every day.   If you approach this area from above with the help of a sled, and the winds are or have been out of the southwest, you might trigger avalanches with the huge overhanging cornice potentially being sensitive. (See Jensen's report from 2/19 HERE ).  I'm concerned that in this area you might trigger an avalanche onto some unsuspecting person on the blind ascent-route below without even knowing they are there.....

Toby