Weather Dictionary / Glossary of Terms

Shortwave Trough


   Weather TermDescription / Definition
   Shortwave Trough Also called Shortwave; A disturbance in the mid or upper part of the atmosphere which induces upward motion ahead of it. If other conditions are favorable, the upward motion can contribute to thunderstorm development ahead of a shortwave trough.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration