Flood Warning in effect for Fairfax County into Friday evening

The steady rain that has fallen over Fairfax County throughout the past two days could result in flooding, forecasts indicate.

Citing “excessive rain,” the National Weather Service has issued a Flood Warning for the county that’s expected to remain in place until 6:45 p.m. today (Friday).

“Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring,” the alert says. “Low-water crossings may be inundated with water and may not be passable.”

Some flooding has already been reported, with Prosperity Avenue currently closed near Mantua, Fairfax County confirmed.

[2/4 at 3:16 PM] A Flood Warning is in effect until 6:45 PM this evening. Between 1 and 1.5 inches of rain has fallen and additional amounts up to 0.25 are possible. Prosperity Avenue is closed near Mantua due to flooding. Remember, Turn around, don’t drown! #VaWx #FloodSafety pic.twitter.com/reacd5KnDv

— Ready Fairfax (@ReadyFairfax) February 4, 2022

Here are more details from the warning, which went out at 2:52 p.m.:

– At 246 PM EST, radar indicated heavy rain had occurred in the warned area. Broadcast media reported that flooding is already occurring. Between 1 and 1.5 inches of rain have fallen.

– Prosperity Avenue is closed near Mantua due to flooding, and other typical flood prone areas may also flood shortly.

Additional rainfall amounts up to 0.25 inches are possible in the warned area.

– Some locations that will experience flooding include…
Reston… Annandale… Springfield… Vienna… Mantua… Burke… Oakton… Tysons Corner… Wolf Trap… Great Falls… Merrifield… West Springfield… Dunn Loring… North Springfield… Ravensworth… Belleview…

Flood Warning for parts of Fairfax County until 6:45PM. Broadcast media confirmed that flooding is already occurring. Typical flood prone areas may also flood shortly. Turn Around, Don’t Drown. #vawx pic.twitter.com/LoMP5gLi1X

— Washingtonian Weather Geeks (@WashingtonianWx) February 4, 2022