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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

Hot and humid conditions developed during the afternoon on June 25th ahead of a dryline moving southeast across Illinois and Missouri. This provided fuel for thunderstorms, which developed by mid afternoon across the Wabash River Valley and tracked into southwest Indiana and northwest Kentucky. Additional storms developed during the evening hours and moved across west Kentucky and southern portions of southeast Missouri. The environment was ideal for large hail development and some hail stones of golf ball to tennis ball sized was reported, particularly across Webster and Daviess Counties in Kentucky. A few areas observed significant wind from the storms as well, most notably near Wingo and Elkton, KY. The KY mesonet station southwest of Elkton reported a 95 mph wind gust shortly before midnight as the final round of storms moved through.
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