National Weather Service United States Department of Commerce


During the afternoon and evening of May 22, 2004, ingredients came together for an outbreak of severe thunderstorms and tornadoes across east-central and southeast Nebraska into western Iowa.  Nine tornadoes were reported, including an F4 that devastated the small town of Hallam. The Hallam tornado which initially touched down at 7:30 PM CDT just west of Daykin, tracked 52 miles across portions of Jefferson, Saline, Gage, Lancaster and Otoe counties, before lifting at around 9:10 PM CDT just west of Palmyra.  In addition to the tornadoes, hail to four inches in diameter was observed, as were damaging straight-line winds. 

Radar Mosaic
Radar mosaic from 4 PM to Midnight.
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