Flash Flood Warning Issued for Parts of Iowa

Flash Flood Warning was issued by the for Adair, Audubon, Cass, Dallas, Guthrie, Madison, Polk and Warren Counties in Iowa.

Flash Flood Warning

The alert was issued at 1:49 AM local time and is scheduled to remain in effect until 7:45 AM local time. The NWS lists the alert severity as severe. Its urgency is listed as immediate. The event is classified as likely.

Storm Details

Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4.5 inches of rain have fallen, with locally higher amounts. Additional rainfall amounts of 1 to 2 inches are possible in the warned area through sunrise. Flash flooding is ongoing or expected to begin shortly

Hazards

Flash flooding caused by thunderstorms

Potential Impact

Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include. Des Moines, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Indianola, Altoona, Waukee, Norwalk, Pleasant Hill, Grimes, Atlantic, Adel, Guthrie Center, Windsor Heights, Carlisle, Bondurant, Saylorville and Mitchellville

Areas Affected

The warning covers Adair, Audubon, Cass, Dallas, Guthrie, Madison, Polk and Warren Counties in Iowa.

Safety Information

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. For the latest stream observations and forecasts refer to weather.gov/desmoines/water.