* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southern Delaware County in central Ohio... Northwestern Fairfield County in central Ohio... Northeastern Fayette County in central Ohio... Southwestern Franklin County in central Ohio... Southeastern Madison County in central Ohio... Northwestern Pickaway County in central Ohio... * WHEN...Until 1015 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 617 AM EDT, radar and automated rain gauges indicated heavy rain. Flooding is ongoing or expected to begin shortly in the warned area. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible. - Some locations that may experience flooding include... Columbus, Dublin, Grove City, Upper Arlington, Hilliard, Pickerington, Worthington, Jefferson, Canal Winchester, Groveport, West Jefferson, Ashville, Mount Sterling, South Bloomfield, Williamsport, Bloomingburg, New Holland, Lake Darby and Grandview Heights.