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Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Overview

During the evening of June 21, 2015 a supercell traveled across Harding, Perkins, and Ziebach Counties in northwestern South Dakota, bringing large hail, strong winds, and six tornadoes. Hail to the size of baseballs was reported 7 miles southeast of Meadow with numerous reports of golfball size hail near Bison and Meadow. Eyewitness spotter and chaser reports confirmed six distinct touchdowns with this supercell. The tornadoes remained in mainly rural areas of Perkins and Ziebach Counties with little to no damage being reported.

All six tornado tracks

Tracks for all six reported tornadoes.

 

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