* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Marion County in northeastern Missouri...
* WHEN...Until 1215 AM CDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS... - At 919 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Hannibal, Palmyra, Warren and Philadelphia.