Weather Dictionary / Glossary of Terms

Tropical Wave


   Weather TermDescription / Definition
   Tropical Wave (formerly known as inverted trough) - A trough or cyclonic curvature maximum in the trade wind easterlies. The wave may reach maximum amplitude in the lower middle troposphere or may be the reflection of an upper tropospheric cold low or an equatorward extension of a mid-latitude trough.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration