Natural Avalanche - Mt Blackmore

Natural Avalanche - Mt Blackmore

Eric Knoff investigates a recent natural avalanche on the flanks of Mt Blackmore.  Two other natural avalanches were observed.  This slope received a heavy load of wind blown snow, and the avalanche fractured on a layer of facets about 10 inches off the ground.  A similar layer of facets has been found throughout the Hyalite Canyon area.  Photo GNFAC

Advisory Year
Northern Gallatin, 2011-11-22