High pressure systems are

areas of atmospheric weather conditions where the pressure is higher than the surrounding areas. In these systems, air is sinking and moving in a clockwise direction in the Northern Hemisphere (counterclockwise in the Southern Hemisphere). High pressure systems are associated with clear and dry weather conditions, as sinking air inhibits the formation of clouds and precipitation. They are usually characterized by calm winds and stable atmospheric conditions. High pressure systems often bring fair weather and are associated with sunny skies.