At Lionhead Ridge, strong winds are drifting snow into unstable slabs. On steep rollovers, we observed shooting cracks and one large collapse, or "whumph." With more wind and snow in the forecast, expect conditions to get more dangerous before they improve. Photo: GNFAC
Location
Advisory Year
Avalanche Details: Collapse/ Cracking Lionhead Ridge
Forecast link: GNFAC Avalanche Forecast for Wed Dec 15, 2021
Lionhead Range, 2021-12-12
Forecast link: GNFAC Avalanche Forecast for Wed Dec 15, 2021