Bow echo

Radar image of a bow echo crossing Kansas City at 2:14 AM on 2 May 2008 (NWS Kansas City)

A bow echo is the characteristic radar return from a mesoscale convective system that is shaped like an archer's bow. These systems can produce severe straight-line winds and occasionally tornadoes, causing major damage. They can also become derechos or form Line echo wave pattern (LEWP).


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