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.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of Maryland, including the following counties, Charles and Prince Georges and northern Virginia, including the following county, Fairfax. * WHEN...Until 200 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 950 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 2 and 3.5 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Waldorf... Springfield... Fort Washington... Fort Hunt... Groveton... Fort Belvoir... Woodbridge... Burke... Lorton... Franconia... Hybla Valley... Newington... Saint Charles... West Springfield... Mount Vernon... Accokeek... Bryans Road... Brandywine... Hayfield... Mason Neck... - Please visit www.weather.gov/safety/flood for flood safety and preparedness information