extratropical cyclone

[ ek-struh-trop-i-kuhl sahy-klohn ]

  1. a cold-core storm system occurring over land or water and energized by the interaction of cold and warm air masses: the common frontal cyclones that produce much of the precipitation of the middle latitudes are examples of extratropical cyclones, as are blizzards and nor’easters.

Origin of extratropical cyclone

First recorded in 1920–25; extra- + tropical
  • Also called mid-latitude cyclone [mid-lat-i-tood sahy-klohn], /ˈmɪdˈlæt ɪ tud ˈsaɪ kloʊn/, mid-latitude storm [mid-lat-i-tood stawrm]. /ˈmɪdˈlæt ɪ tud ˈstɔrm/.

Words Nearby extratropical cyclone

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Scientific definitions for extratropical cyclone

extratropical cyclone

[ ĕk′strə-trŏpĭ-kəl ]

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