Flash Flood Warning

FFWDMX

The National Weather Service in Des Moines has issued a

* Flash Flood Warning for... Cerro Gordo County in north central Iowa... Southern Worth County in north central Iowa...

* Until 130 AM CDT Thursday.

* At 729 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 4 inches of rain have fallen. The expected rainfall rate is 2 to 4 inches per hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

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... Mason City, Nora Springs, Manly, Rockwell, Mason City Municipal Airport, Clear Lake, Ventura, Plymouth, Fertile, Kensett, Grafton, Hanlontown, Swaledale, Rock Falls, Burchinal, Portland, Bolan, Clear Lake State Park and McIntosh Woods State Park.