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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 >

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Mid-afternoon on August 16th a strong supercell thunderstorm, which had already caused extensive crop damage in southern Saguache County, spawned a tornado northeast of Alamosa.  The tornado was witnessed by many, and occurred around 8 miles east-southeast of Mosca (2 1/2 miles south of San Luis Lake), in a rural area.  The tornado only lasted a few minutes, but, remarkably targeted and destroyed a structure...an unoccupied mobile home. This was an unusually strong supercell for the San Luis Valley.  Crop damage in southern Saguache County totalled at least $42 million.

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Zoomed-Out Location of Tornado

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Zoomed-In Location of Tornado

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