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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

A cold front moved across Missouri during the afternoon and evening on April 30. Discrete super cellular storms formed during the mid to late afternoon well ahead of the front across southeast Missouri. Eventually additional storms formed along the cold front, morphing into a broken line as the evening progressed. Large hail was observed in several counties in southeast Missouri and far southwest Illinois. The largest stones measured up to golf ball sized in Carter County, Missouri. A brief EF-0 tornado touched down south of Brewer, Missouri within an area of larger straight line winds.
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