National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall in the Mississippi Valley; Heavy Rain Continues in Southeast Florida

A cold front approaching the Mississippi Valley will bring heavy rainfall and isolated severe thunderstorms to the region. Thunderstorms will have the potential to produce isolated severe wind gusts and perhaps a brief tornado or two. Scattered to numerous showers and storms will bring another day of localized flooding to south Florida. Read More >

Overview

During the afternoon of July 29th a supercell developed north of Kadoka, moved east along Interstate 90 toward Murdo, then turned southeast into Mellette and Tripp counties. The storm moved over the town of Winner, where it did extensive damage with winds exceeding 80 mph. Shortly thereafter, the storm quickly dissipated.

Supercell coming into Winner, SD
Winner, SD
Courtesy of Alan Klein
nws logo Media use of NWS Web News Stories is encouraged!
Please acknowledge the NWS as the source of any news information accessed from this site.
nws logo