On Friday (2/19) a snowmobiler was sidehilling across a north-facing slope when it avalanched on a buried surface hoar layer. This slide occured south of West Yellowstone on the Island Park side of Black Bear. Photo: B. Chouinard
Advisory Year
On Friday (2/19) a snowmobiler was sidehilling across a north-facing slope when it avalanched on a buried surface hoar layer. This slide occured south of West Yellowstone on the Island Park side of Black Bear. Photo: B. Chouinard