anticyclone

[Mendocky]

(meteorology) winds spiraling outward from a high pressure center; circling clockwise in the northern hemisphere and counterclockwise in the southern

[TimothynTep]

An anticyclone is a large-scale atmospheric circulation system characterized by high atmospheric pressure at its center, and rotation in a direction that is clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. It is usually associated with dry, clear weather as it moves downward and brings about subsidence or sinking air, suppressing cloud formation and precipitation.

[LouissaRini]

an-ti-sī′klōn, n. name given to the rotatory flow of air from an atmospheric area of high pressure.—adj. Anticyclon′ic. [Anti- and Cyclone.]