This avalache was triggered by a snowmobiler in Sunlight Basin. Everyone escaped unharmed except the tree.
Forecast link: GNFAC Avalanche Forecast for Sun Jan 10, 2010
Forecast link: GNFAC Avalanche Forecast for Sun Jan 10, 2010
Avalanche Sunlight Basin 1-9-10
Forecast link: GNFAC Avalanche Forecast for Sun Jan 10, 2010