There have been quite a few avalanches in the Lake Tahoe area this winter season. KT22 at Squaw Valley USA experienced one last week. The rain from last week caused the adhesion of the snow to break up a bit and an avalanche was the result.
Ryan Salm published an article with additional photos and details on March 16, 2012 entitled Avalanche on KT-22 | Squaw Valley. Click on the link to view.
Enjoy the new snow from the past few days but use extra caution!