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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Overview

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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