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Weather Service Survey on Mound City Tornado

From the Aberdeen National Weather Survey... around 7:50 pm CDT on August 28th, 2024, a tornado touched down on the west side of South Dakota Highway 1804, just north of 118th Street in Campbell County, South Dakota.


Between 8:00 - 8:05 pm CDT, the tornado continued in a more southeast direction, crossing 118th Street and encountering an electric transmission line, resulting in the collapse of three electrical transmission towers.


Photo Credit: National Weather Service - Aberdeen, SD

The tornado then continued east-southeast toward 119th Street, where it encountered a farmstead, damaging trees, outbuildings, and farm equipment. The main tornadic circulation broadened and tracked east, becoming nearly stationary at times as it traversed over cropland between 299th Avenue and 301st Avenue.


Toward the end of the tornado cycle, between roughly 8:15 - 8:20 pm CDT, it intensified once again, becoming narrower and tracking from southwest to northeast, crossing 119th Street between 301st Avenue and 302nd Avenue.


Photo Credit: National Weather Service - Aberdeen, SD

The track was clearly seen through a corn crop before lifting. Around this same time, a distinct smaller tornado/vortex damaged a farmstead. At this location, a tree was uprooted, a silo was dented, and two shop buildings lost roof panels and doors. Additionally, a travel trailer was rolled 100 feet across 119th Street.



Photo Credit: Walworth County Sheriff's Office

The tornado was given an EF2 with wind speeds up to 130mph. The tornado tracked for about five and a half miles and was on the ground for about 30 minutes. Check out the National Weather Service's Tornado Survey page for the complete report and additional pictures.

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