Full Notification

FFWFSD The National Weather Service in Sioux Falls has issued a

* Flash Flood Warning for... Northwestern Sioux County in northwestern Iowa... Northeastern Clay County in southeastern South Dakota... Southern Lincoln County in southeastern South Dakota... Southeastern Turner County in southeastern South Dakota... Northern Union County in southeastern South Dakota... Northern Yankton County in southeastern South Dakota...

* Until 930 AM CDT Friday.

* At 229 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 3 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... Beresford, Rock Valley, Hull, Centerville, Irene, Hudson, Mayfield and Fairview.

* AFFECTED AREAS: SIOUX, IA ... CLAY, SD ... LINCOLN, SD ... TURNER, SD ... UNION, SD ... YANKTON, SD

Instructions:

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. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.