Updated at 3:30 p.m. — The National Weather Service has now issued an Areal Flood Warning until 9:30 p.m. for central Fairfax County, with Reston, Vienna, Falls Church, Annandale, and Springfield among the locations that could experience flooding. Between 1 and 1.5 inches of rain have already fallen with an additional 1 to 2 inches possible.
Earlier: After a couple of relatively dry weeks, the weather in Fairfax County is about to take a turn for the rainy today (Thursday).
The National Weather Service issued a Flash Flood Watch for the D.C. area at 2:44 p.m. Set to remain in effect until 9 p.m., the alert warns that showers and thunderstorms could produce up to two inches of rain per hour, potentially leading to floods in some areas.
Here is the full alert:
…FLASH FLOOD WATCH IN EFFECT UNTIL 9 PM EDT THIS EVENING…
The National Weather Service in Sterling Virginia has issued a
* Flash Flood Watch for portions of DC, Maryland and northern Virginia, including the following areas: in DC, District of Columbia. In Maryland, Anne Arundel, Carroll, Central and Southeast Howard, Central and Southeast Montgomery, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford and Southern Baltimore. In northern Virginia, Arlington/Falls Church/Alexandria, Eastern Loudoun, Fairfax, Prince William/Manassas/Manassas Park and Western Loudoun.
* Until 9 PM EDT this evening.
* Slow moving showers and thunderstorms will produce very heavy rainfall, potentially leading to areas of flash flooding. Rainfall rates may reach two inches per hour.
The NWS advises residents to monitor weather forecasts later in the day and prepare to take action if the watch escalates into a Flash Flood Warning.
[9/16 at 2:52 PM] A Flash Flood Watch has been issued until 9 PM tonight. Slow moving showers and thunderstorms will produce very heavy rainfall, potentially leading to flash flooding. Stay weather aware this evening and know what to do if a warning is issued. #VaWx pic.twitter.com/CoUkSmc4qC
— Ready Fairfax (@ReadyFairfax) September 16, 2021