The CAIC reports that the avalanche was a Persistent Slab. This type of avalanche includes various layers, and is defined as the "release of a cohesive layer of snow (a slab), when the bond to an ...
The 150-foot-wide avalanche slid about 700 feet at the 10,000-foot elevation in Big Cottonwood Canyon. Photo by Nicolas Cool via Unsplash An avalanche swept away two backcountry skiers in a Utah ...