valley breeze

valley breeze

[′val·ē ‚brēz] (meteorology) A gentle wind blowing up a valley or mountain slope in the absence of cyclonic or anticyclonic winds, caused by the warming of the mountainside and valley floor by the sun.

valley breeze

valley breezeThe breeze that blows in valleys during the daytime. Mountain slopes get heated up during the day, and this results in convective activity and an upslope flow of a breeze.