This slide appears to have been snowmobile triggered. It occurred in lower Teepee Basin. Photo: GNFAC Forecast link: GNFAC Avalanche Forecast for Sun Dec 29, 2013GNFAC Avalanche Advisory for Wed Jan 1, 2014Southern Madison, 2013-12-28Access other image sizes:Very Large 1200pxLarge 480pxMedium 220pxSmall 150pxOriginal