The snowpack at 9,000' above Hebgen Lake near West Yellowstone is 60-70cm (~2 feet) deep. It is mostly weak, sugary facets and will struggle to support the weight of future storms. Photo: GNFAC
Advisory Year
Avalanche Details: Cracking and collapsing above Hebgen Lake
Forecast link: GNFAC Avalanche Forecast for Sat Dec 29, 2018GNFAC Avalanche Forecast for Sun Dec 30, 2018
Lionhead Range, 2018-12-28
Forecast link: GNFAC Avalanche Forecast for Sat Dec 29, 2018GNFAC Avalanche Forecast for Sun Dec 30, 2018