This advisory expires at midnight, Thursday 2-23-2012 Tuckerman Ravine will have CONSIDERABLE and MODERATE avalanche danger today.  The Sluice, Lip, Center Bowl, and Chute will have Considerable avalanche danger.  Natural avalanches are possible and human triggered avalanches are likely. The Lobster Claw, Right Gully, Left Gully, and Hillman’s Highway have Moderate avalanche danger. Natural avalanches [...]