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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

Multiple rounds of thunderstorms impacted the region on the last day of May. Damaging winds, large hail, flooding, and 3 tornadoes were observed with this event. The first round of storms moved through southern Illinois mainly north of Route 13 and into southwest Indiana and northwest Kentucky during the morning and early afternoon hours. Widespread damaging winds were associated with this line of storms. Scattered thunderstorm development then began by mid to late afternoon, with coverage increasing as we progressed further into the evening hours. Even after midnight, storms were still ongoing mainly up in southwest Indiana. By this time flooding had become the main threat.
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