Severe Thunderstorms Bring 70 mph Winds and Hail to Minnesota and South Dakota Counties
The National Weather Service has issued multiple severe thunderstorm warnings for portions of Minnesota and South Dakota, while flash flood and river flood warnings remain in effect across parts of North Carolina and Illinois.
Active Severe Thunderstorm Warnings in Minnesota and South Dakota
The National Weather Service in Aberdeen has issued a Severe Thunderstorm Warning for southern Traverse County in west central Minnesota, Big Stone County in west central Minnesota, southern Roberts County in northeastern South Dakota, eastern Day County in northeastern South Dakota, southeastern Marshall County in northeastern South Dakota, and Grant County in northeastern South Dakota until 1030 PM CDT. [2] At 940 PM CDT, severe thunderstorms were located along a line. [2] A separate Severe Thunderstorm Warning issued at 936 PM CDT noted storms near Agency Village to near Grass Lake in South Dakota moving east at 35 mph. [3] These storms are expected to affect locations including Agency Village, Waubay, Florence, Ortley, Grass Lake, Enemy Swim Lake, and Blue Dog Lake. [3] The warnings cover a line of severe thunderstorms spanning west central Minnesota and northeastern South Dakota, with the Aberdeen office providing updates on the timing and path. [2] The line of storms at 940 PM CDT aligns with the separate alert describing movement from Agency Village toward Grass Lake. [2] [3] Counties under the initial warning include southern Traverse and Big Stone in Minnesota along with southern Roberts, eastern Day, southeastern Marshall, and Grant in South Dakota. [2] The 936 PM CDT warning focuses on the South Dakota segment of the line extending from near Agency Village to near Grass Lake. [3]
Flash Flood Warning Lifted in Wake County, North Carolina
A Flash Flood Warning for Wake, NC has been canceled after flood waters receded and flooding no longer poses a threat. [1] The National Weather Service alert states that flood waters have receded and flooding is no longer expected to pose a threat. [1] Residents are advised to continue to heed remaining road closures even though the warning has ended. [1] The cancellation applies specifically to Wake County following the recession of flood waters. [1] The alert confirms that the immediate flood threat has passed in this area. [1]
Ongoing Flood Warnings Along the Illinois River
Flood Warnings continue for the Illinois River at multiple points, affecting counties in Illinois including Putnam, Marshall, Tazewell, Peoria, Woodford, Schuyler, Brown, Morgan, Cass, Mason and Fulton. [4] [5] The Flood Warning continues for the Illinois River at Henry affecting Putnam and Marshall Counties. [4] [5] The Flood Warning continues for the Illinois River at Peoria affecting Tazewell, Peoria and Woodford Counties. [4] [5] The Flood Warning continues for the Illinois River at Beardstown affecting Schuyler, Brown, Morgan and Cass Counties. [4] [5] The Flood Warning continues for the Illinois River near Havana affecting Mason, Fulton and Cass Counties. [4] [5] These forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. [4] [5] Minor flooding is indicated in the ongoing warnings for these river points. [4] [5] The alerts from the National Weather Service detail the same set of river locations and affected counties across the Illinois River basin. [4] [5]
Impacts and Safety Guidance from Weather Service
Hazards from the South Dakota storms include hail damage to vehicles, considerable tree damage, and wind damage to mobile homes, roofs and outbuildings. [3] The Severe Thunderstorm Warning notes 70 mph wind gusts and quarter size hail based on trained weather spotters. [3] Expect considerable tree damage along with wind damage likely to mobile homes, roofs, and outbuildings. [3] Hail damage to vehicles is expected from the storms moving east at 35 mph. [3] The impacts described cover the line of severe thunderstorms near Agency Village to near Grass Lake. [3] The National Weather Service highlights these specific hazards in the alert for the South Dakota counties. [3] The 70 mph wind gusts and quarter size hail represent the primary threats identified by spotters. [3]
Broader Severe Weather Context Across Regions
The National Weather Service has issued multiple severe thunderstorm warnings for portions of Minnesota and South Dakota, while flash flood and river flood warnings remain in effect across parts of North Carolina and Illinois. [1] [2] [3] [4] [5] A Severe Thunderstorm Warning remains in effect until 1030 PM CDT for southern Traverse County and Big Stone County in west central Minnesota plus several counties in northeastern South Dakota. [2] At 940 PM CDT severe thunderstorms were located along a line, with a separate warning at 936 PM CDT noting storms near Agency Village to Grass Lake in South Dakota moving east at 35 mph and producing 70 mph wind gusts and quarter-size hail. [2] [3] A Flash Flood Warning for Wake, NC has been canceled after flood waters receded and flooding no longer poses a threat, though remaining road closures should be heeded. [1] Flood Warnings continue for the Illinois River at multiple points affecting counties in Illinois including Putnam, Marshall, Tazewell, Peoria, Woodford, Schuyler, Brown, Morgan, Cass, Mason and Fulton, with minor flooding forecast based on observed precipitation, soil moisture and forecast precipitation. [4] [5] These discrete warnings fit into a day of active weather alerts spanning the central and eastern United States through the combination of thunderstorm, flash flood, and river flood advisories. [1] [2] [3] [4] [5]
What to watch next: The line of severe thunderstorms moving east at 35 mph will continue to affect areas near Agency Village, Waubay, Florence, Ortley, Grass Lake, Enemy Swim Lake, and Blue Dog Lake with ongoing hazards of 70 mph wind gusts and quarter size hail until the warnings expire at 1030 PM CDT.
