Flood Warning

* WHAT...Low lying, urban area, and small stream flooding caused by excessive rainfall is expected.

* WHERE...A portion of central Iowa, including the following counties, Dallas, Jasper and Polk.

* WHEN...Until 515 PM CDT Friday.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. Fourmile Creek is also above flood stage, including at NE 86th Avenue in Ankeny as of 5 am.

* ADDITIONAL DETAILS... - At 511 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 4 and 9 inches of rain have fallen with isolated amounts nearing 10 inches. - This flood warning replaces the flash flood warning for Polk and Jasper Counties. - Some locations that will experience flooding include... Des Moines, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Newton, Altoona, Waukee, Pleasant Hill, Grimes, Windsor Heights, Carlisle, Bondurant, Polk City, Saylorville, Mitchellville, Colfax, Monroe and Prairie City.