* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...The following counties, in central Ohio, Franklin and Pickaway.
* WHEN...Until 530 AM EDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS... - At 223 AM EDT, radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible. - Some locations that may experience flooding include... Columbus, Reynoldsburg, Grove City, Pickerington, Bexley, Canal Winchester, Groveport, Ashville, South Bloomfield, Lake Darby, Whitehall, Grandview Heights, Obetz, Commercial Point, Lithopolis, Urbancrest, Valleyview, Marble Cliff, Harrisburg and Orient.