A cornice broke (X) and triggered an avalanche on Miller Ridge. Photo: GNFAC Location Miller Ridge Advisory Year 20-21 Forecast link: GNFAC Avalanche Forecast for Tue Jan 26, 2021GNFAC Avalanche Forecast for Sat Jan 30, 2021Cooke City, 2021-01-25Access other image sizes:Very Large 1200pxLarge 480pxMedium 220pxSmall 150pxOriginal