Triggering a persistent slab avalanche from a thin spot

Triggering a persistent slab avalanche from a thin spot is infrequent, insidious and potentially deadly. This 6 minute video outlines the snowpack conditions and mechanics. Intended for intermediate and advanced backcountry recreationists and those interested in avalanche science. 22 Feb 2022. CC BY-ND #thinspot #slab #persistentslab #persistentweaklayer #trigger #snow #avalanche