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Preferred term

cyclones: extratropical  

Definition

  • Extratropical cyclones (ECs) are organized synoptic-scale low-pressure (cyclonic) weather systems that govern a considerable proportion of midlatitude (∼30°-60°) weather patterns (also commonly referred to as midlatitude cyclones). ECs ultimately form in response to the global circulation and energy balance. [Source: Encyclopedia of Geography; Cyclones: Extratropical]

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https://concepts.sagepub.com/social-science/concept/cyclones:_extratropical

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