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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

On Saturday June 6 much of Colorado experienced strong thunderstorm winds associated with a long-lived line of severe thunderstorms known as a derecho (pronounced deh-REY-cho). The derecho formed over eastern Utah in late morning, and moved across the mountains and the eastern plains in the afternoon and early evening. It went on to produce damaging wind all the way into the Dakotas and far northwest Minnesota by the morning of Sunday June 7. Earlier in the day and prior to the arrival of the storms, strong winds on the Colorado plains were clocked at 50 to 70 mph.

June 6-7 2020 Derecho path.
Path of the June 6-7 Derecho. Image source: NOAA/NWS Storm Prediction Center
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