National Weather Service United States Department of Commerce

Heat Wave Across the Central and Southeast US; Flash Flood Threats in the North-Central US, Southeast, and Guam

Dangerous heat is expected across portions of the Central and Southeast U.S. through July. Heavy rains, flash flooding & severe weather are possible across the middle Missouri River Valley and Upper Midwest to the upper Great Lakes. Heavy rains and flash flooding are also possible across portions of the Southeast. A tropical disturbance brings heavy rain to Guam & the Marianas through Saturday. Read More >

Overview

     Numerous severe thunderstorms impacted much of central and southern Minnesota during the evening of Sunday, July 9, 2017. There were many reports of very large hail, in excess of 2" in diameter, with one report of a 4" hail stone. In addition, reports from spotters and law enforcement indicated that at least one tornado may have touched down in southern Nicollet and/or northwest Blue Earth Counties. A damage survey team from the National Weather Service reviewed the area of damage and confirmed that two tornadoes occurred: an EF-0 near Courtland in Nicollet County and an EF-1 near Lake Crystal in Blue Earth County.

 

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