13-14
This avalanche was triggered by two snowmobilers riding in the flats below this slope. The avalanche debris covered their tracks. Avalanches triggered from the flats are a sign of very unstable conditions. Photo: GNFAC
GNFAC Avalanche Advisory for Sat Dec 14, 2013
Snowpack and Avalanche Discussion
Bridger Range Madison Range Gallatin Range Lionhead area near West Yellowstone Cooke City
This skier triggerd avalanche occurred on the Throne in the northern Bridgers. The slide failed on a layer of facets 30 cm's off the ground, producing a cronw 1.5 to 4 deep. Fortunately the skier escaped unharmed. Photo CBZ
Forecast link: GNFAC Avalanche Advisory for Sat Dec 14, 2013
This skier triggerd avalanche occurred on the Throne in the northern Bridgers. The slide broke on a layer of facets 30 cm's off the ground, producing a crown 1.5 to 4 feet deep. Fortunately the skier escaped unharmed. Photo CBZ
GNFAC Avalanche Advisory for Fri Dec 13, 2013
Snowpack and Avalanche Discussion
Bridger Range Madison Range Gallatin Range
Lionhead area near West Yellowstone Cooke City
This recent avalanche occurred near Hyalite Peak and appears to be triggered by a goat. It occurred on a ENE aspect.
Forecast link: GNFAC Avalanche Advisory for Fri Dec 13, 2013
This avalanche happened while a skier was ascending this slope. It appears to be heavily wind loaded and broke 4 feet down at its deepest. This slide was about 70 feet wide and ran 250 feet downhill relatively slowly and no one was injured.
Forecast link: GNFAC Avalanche Advisory for Fri Dec 13, 2013