Surface hoar 1.5-2' deep near West Yellowstone is capable of producing an avalanche, but becoming difficult to trigger. It can be easily identified as a gray stripe on a flat snowpit wall. Photo: GNFAC
Surface Hoar Stripe in Pit
Surface hoar 1.5-2' deep near West Yellowstone is capable of producing an avalanche, but becoming difficult to trigger. It can be easily identified as a gray stripe on a flat snowpit wall. Photo: GNFAC