In meteorology, a cyclone is a muckle scale air mass that rotates aroond a strang centre o law atmospheric pressur.[1][2]

An extratropical cyclone near Iceland on September 4, 2003

References

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  1. Glossary of Meteorology (Juin 2000). "Cyclonic circulation". American Meteorological Society. Retrieved 17 September 2008.
  2. Glossary of Meteorology (Juin 2000). "Cyclone". American Meteorological Society. Retrieved 17 September 2008.