Flash Flood Warning in effect for Fairfax County

The Flash Flood Watch that took effect at noon today (Thursday) has now been upgraded to a Flash Flood Warning for Fairfax County.

The National Weather Service says an additional one to two inches of rain could fall in the affected areas, including Reston and Herndon, until 8:15 p.m.

Here is the full alert, which was issued at 5:05 p.m.:

* Flash Flood Warning for…
Central Fairfax County in northern Virginia…
Southeastern Loudoun County in northern Virginia…
The Western City of Alexandria in northern Virginia…
The City of Fairfax in northern Virginia…
The City of Falls Church in northern Virginia…

* Until 815 PM EDT.

* At 505 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD…Life threatening flash flooding. Thunderstorms producing flash flooding.

SOURCE…Doppler radar.

IMPACT…Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.

The NWS advises against traveling, noting that the majority of flood deaths occur in vehicles.

“A Flash Flood Warning means that flooding is imminent or occurring,” the NWS said. “If you are in the warned area move to higher ground immediately. Residents living along streams and creeks should take immediate precautions to protect life and property.”