* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of east central Kansas, including the following counties, Anderson, Coffey, Douglas, Franklin, Lyon, Morris, Osage, Shawnee and Wabaunsee. * WHEN...From 5 PM CDT this afternoon through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms are expected to develop in a very moist environment by this evening. This is expected to allow storms to be efficient rainfall producers with rain rates around 2 inches per hour. The watch may need to be extended into Thursday if additional rounds of heavy rainfall become apparent.