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GNFAC Avalanche Advisory for Tue Jan 28, 2014
Bridger Range Gallatin Range Madison Range
Lionhead area near West Yellowstone
GNFAC Avalanche Forecast for Mon Jan 27, 2014
Gallatin Range Madison Range
Lionhead area near West Yellowstone
This slide was likely human triggered around a week ago. Slides like this one are still possible in steep, wind loaded terrain. Photo GNFAC
Forecast link: GNFAC Avalanche Forecast for Mon Jan 27, 2014
This natural avalanche occurred south of Buck Ridge along the wilderness boudary. Weak facets near the ground were pushed past their breaking point by a heavy wind load. This slide likely took place around a week ago. Photo GNFAC
Forecast link: GNFAC Avalanche Forecast for Mon Jan 27, 2014
GNFAC Avalanche Advisory for Sun Jan 26, 2014
Gallatin Range Madison Range
Lionhead area near West Yellowstone
This slide was triggered by a snowmobiler up Sheep Creek outside of Cooke City. The slide broke 2-3 feet deep, 2-300 feet wide and failed on weak snow near the ground. The rider escaped unharmed, but his sled was partially buried. Photo CCA
This slide was triggered up Sheep Creek outside of Cooke City. The snowbilier who triggered the slide was able to avoid being buried, but his sled ended up partially buried. The slide was triggered on a covex slope that had a shallow and weak snowpack. Photo CCA
GNFAC Avalanche Advisory for Sat Jan 25, 2014
Gallatin Range Madison Range
Lionhead area near West Yellowstone