Bow echo
Videos
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, c
Radar image of a bow echo crossing Kansas City at 2:14 AM on May 2, 2008 (NWS Kansas City)
A bow echo west of the Chicago area
Hailstone caught during the storm in Piracicaba, Brazil
Line echo wave pattern
Videos
A line echo wave pattern is a weather radar formation in which a single line of thunderstorms presenting multiple bow echoes forms equatorward of a mesoscale low-pressure area with a rotating "head".
Bow echo
…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). The term "bow echo" was first used by Theodore Fujita in his May 1978 paper "Manual of Downburst Identification for Project NIMROD." In 2004…
A LEWP in Illinois/Indiana and Arkansas, associated with a very large derecho