* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...The following county, in west central Ohio, Mercer.
* WHEN...Until 945 AM EDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS... - At 639 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... Rockford, Mendon, Tama, Neptune and Chattanooga.