#cyclone.atmospheric_state  (meteorology) rapid inward circulation of air masses about a low-pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern
  exclusion:  #anticyclone
  supertype:  #atmospheric_state__atmosphericstate__atmosphere  the weather or climate at some place; "the atmosphere was thick with fog"
  part:  #low_pressure__lowpressure__low__depression  an air mass of lower pressure; often brings precipitation; "a low moved in over night bringing sleet and snow"

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