Snow cornice even being on the snow on top of rock exposes the alpinist to hazard in this situation. The best practice in mountaineering is to stay far enough back from the edge so as not to be able to see the drop, as an approximate metric of exposure. In avalanche safety, cornices are a high avalanche danger as they often break and trigger larger avalanches that permeate several snow layers. Cornices are particularly vulnerable to collapse during periods of solar warming. Snow cornice A snow cornice or simply cornice (from the Italian cornice meaning "ledge") is an overhanging edge of snow
Snow Mountain Air Force Station site, also on the Fort Knox Reservation on 30 April 1952. This site became a separate Air Force installation, Snow Mountain Air Force Station in the summer of 1956. At Snow Mountain it began operating AN/FPS-3 and AN/FPS-4 radars at Snow Mountain. In 1958 these radars were replaced by AN/FPS-20 and AN/FPS-6 sets. A second AN/FPS-6 height-finder radar was added in 1961. In 1962 the search radar was upgraded to become an AN/FPS-67. During 1962 Snow Mountain AFS joined the Semi Automatic Ground Environment (SAGE) system, feeding data to DC-22 at Truax Field, Wisconsin. After joining, the squadron was redesignated