EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE > ANTICYCLONES/CYCLONES
Definition:
An anticyclone is a dome of air that exerts relatively high atmospheric pressure compared with the surrounding air at a given level. A cyclone is a weather system characterised by relatively low surface air pressure at a given level and a closed cyclonic wind circulation.
Reference:
Glossary of Weather and Climate, American Meteorological Society, 1996.
