Line echo wave pattern: Difference between revisions

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[[File:Illinois-LEWP.jpg|thumb|right|A LEWP in Illinois, associated with a very large derecho]]

A '''line echo wave pattern''' or '''LEWP''' (pronounced "loop" or spelled out) is the radar signature associated with a multiple-bow serial [[derecho]].<ref>{{cite web | url=http://www.crh.noaa.gov/iwx/?n=severestorms_2011apr19 Severe Storms of April 19th-20th | title=Severe Thunderstorms and Tornadoes of April 19-20, 2011 | publisher=National Weather Service Weather Forecast Office, Northern Indiana | date=April 24, 2011 | accessdate=July 28, 2012 | author=Obergfell; Lashley; Chamberlain}}</ref>