Full Notification

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of central, south central, southeast, southwest, and west central Iowa, including the following counties, in central Iowa, Dallas, Jasper, Polk and Poweshiek. In south central Iowa, Appanoose, Clarke, Decatur, Lucas, Madison, Mahaska, Marion, Monroe, Ringgold, Union, Warren and Wayne. In southeast Iowa, Davis and Wapello. In southwest Iowa, Adair, Adams, Cass and Taylor. In west central Iowa, Audubon and Guthrie.

* WHEN...Until 7 AM CDT Monday.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS... - Atmospheric conditions are favorable for heavy rainfall overnight with high levels of moisture available and additional thunderstorm development anticipated during the early morning hours. Isolated rainfall amounts as high as three to five inches will be possible during periods of intense rainfall.

* AFFECTED AREAS: AUDUBON ... GUTHRIE ... DALLAS ... POLK ... JASPER ... POWESHIEK ... CASS ... ADAIR ... MADISON ... WARREN ... MARION ... MAHASKA ... ADAMS ... UNION ... CLARKE ... LUCAS ... MONROE ... WAPELLO ... TAYLOR ... RINGGOLD ... DECATUR ... WAYNE ... APPANOOSE ... DAVIS

Instructions:

For the latest waterway observations and forecasts refer to weather.gov/desmoines/water.