Watch: Video shows snowboarder triggering, escaping avalanche on New Hampshire's Mount Washington

Watch: Video shows snowboarder triggering, escaping avalanche on New Hampshire's Mount Washington

A dramatic video shows a snowboarder triggering and then outpacing an avalanche on New Hampshire’s Mount Washington last month. The video shows the moment a layer of snow started to slide down the mountain behind the snowboarder going down Tuckerman Ravine.