Definition of extratropical in English:

extratropical

adjective

Meteorology
  • Situated or occurring outside the tropics.

    ‘extratropical cyclones’
    • ‘Storms that form elsewhere are extratropical cyclones.’
    • ‘The strong winds that hit the Pacific Coast are from extratropical storms, not hurricanes, which are tropical cyclones.’
    • ‘Winter storms are extratropical storms and all are a mixture of warm and cold air.’
    • ‘Elsewhere in the southern states, flooding is mostly a winter-spring phenomenon, associated with unusually frequent or active extratropical depressions and fronts.’
    • ‘Data collection was limited to extratropical regions to avoid the poor preservation and minimal sampling associated with tropical environments during this time.’

Pronunciation:

extratropical

/ˌɛkstrəˈtrɒpɪk(ə)l/