* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Mercer County in west central Ohio...
* WHEN...Until 630 AM EDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS... - At 247 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 2 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. - Some locations that may experience flooding include... Celina, Coldwater, St. Henry, Fort Recovery, Rockford, Wabash, Mendon, Chickasaw, Montezuma, Tama, Carthagena, Neptune, Chattanooga and Maria Stein.