 The National Weather Service in the Quad Cities has issued a tornado warning for Southern Buchanan County, Northern Benton County, Southwestern Delaware County, Northwestern Linn County until 6 p.m. At 5.22 p.m., a confirmed tornado was located over many a steam apart or near Benton, moving east at 40 miles an hour. Expected hazards included a damaging tornado. A tornado has been confirmed by trained weather spotters.