If you haven't been following Avy forecaster Sue Burak's updates on the Eastern Sierra Avalanche Center website, now might be a good time to pay attention.
The Sierra has been getting incredible snowfall totals the past week or so (I believe Mammoth claims over a hundred inches in seven days). Unfortunately, this new snow sits on top of several problematic layers.
Check out the ESAC website for the complete discussion—especially if you're planning on visiting avalanche country anytime soon.
Shane McConkey Dies in BASE jumping Accident
SierraDescents Blog Receives Unprecedented Fan Adulation
Shifting Toward Summer