A low pressure area , or low for short, is a word used in meteorology (the study of weather) that means a place where the atmospheric pressure is lowest compared to the surrounding area. Coriolis effect causes winds to blow counter-clockwise in the northern hemisphere and clockwise in southern hemisphere . This makes storms like tropical cyclones , extratropical cyclones , subtropical cyclones , and subpolar cyclones. They are called " low-pressure cells " in some English-speaking countries.

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