Katabatic wind
A WIND THAT CARRIES HIGH DENSITY AIR DOWN A SLOPE
Katabatic winds; Fall Wind; Fall wind; Katabatic lift; Downsloping; Downslope wind; Catabatic wind
A katabatic wind (named from the Greek word κατάβασις katabasis, meaning "descending") is a drainage wind, a wind that carries high-density air from a higher elevation down a slope under the force of gravity. Such winds are sometimes also called fall winds; the spelling catabatic winds