adjective
MeteorologySituated 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.’
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