* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of south central and southwest Michigan, including the following counties, in south central Michigan, Eaton and Ionia. In southwest Michigan, Barry. * WHEN...Until 930 AM EDT Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 328 AM EDT, Doppler radar and automated rain gauges indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Rainfall estimates from radar indicate that over 2 inches of rain has already fallen in the advisory area, with additional heavy rain likely through 530 AM. Rainfall totals may exceed 4 inches. - Some locations that will experience flooding include... Hastings, Portland, Middleville, Lake Odessa, Freeport, Irving, Sebewa, Sunfield, Mulliken, Woodland, Clarksville, Woodbury and Gresham. - http://www.weather.gov/safety/flood