This season the western U.S. is especially prone to one of the worst layers for wet slabs—depth hoar. Doug Chabot is the director of the Gallatin National Forest Avalanche Center based in Bozeman, ...

145 cm total snow depth, with 45 cm of recent snow showing some wind impact. Beneath that, 50 cm of older snow increasing in density. Around 20 cm of faceted grains, starting to gain cohesion. 20 cm ...