* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Union County, Ohio.
* WHEN...Until 1145 PM EDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS... - At 845 PM 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 0.5 to 1 inch are possible. - Some locations that may experience flooding include... Raymond, Marysville, Magnetic Springs, Broadway, Somersville, Pharisburg, New Dover and Pottersburg.