Natural avalanche on Sheep Mountain, outside Cooke City. Broke beneath a cornice on a heavily wind-loaded steep slope. Photo taken on 12/23. Appears to have broken during the storm on 12/21 or 12/22.
Photo: GNFAC
Location
Advisory Year
Avalanche Details: Numerous wind slab avalanches around Cooke City
Cooke City, 2020-12-23