National Weather Service United States Department of Commerce


A strong storm system crossed the Great Plains on Friday while a cold front was draped across the Sandhills, setting the stage for severe thunderstorms. One particular supercell thunderstorm moved from near McCook to near Oconto during the early evening hours. The storm was responsible for numerous tornadoes, including seven in Frontier County and one in southern Custer County. Other thunderstorms produced hail up to golf ball size and wind gusts exceeding 50 mph across southwest Nebraska and the Sandhills. The storms also produced multiple rounds of heavy rain, resulting in spots receiving over two inches of rain by the night's end.

EF-3 damage northeast of Stockville. Trees were debarked and an outbuilding was totally destroyed. 

Photo from NWS storm survey

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