Update 7 p.m.
A tornado has been confirmed at Quantico.
A weather spotter has told the National Weather Service a tornado near Triangle, about two miles west of Quantico.
The tornado was spotted at 6:14 p.m.
Residents in Stafford County spotted funnel clouds in the southern portion of the county, off U.S. 17.
Neighbors said the skies turned green overhead as funnel clouds appeared over their houses.
Stay with us for continuing coverage.
Update 6 p.m.
A tornado warning has been issued for Stafford and Prince William counties until 6:15 p.m.
At 5:40 p.m., National Weather Service Doppler radar indicated a severe thunderstorm 10 miles west of Stafford capable of producing a tornado.
The storm was moving northeast at 40 mph.
We’ll bring you more details as we get them.
Please update us with what you are seeing.
Original Post 4:15 p.m.
A tornado watch has been issued for the Potomac Communities until 8 p.m.
Officials at the National Weather Service say 19 Virginia counties are under the watch, including Fairfax, Stafford and Prince William.
Showers and thunderstorms are forecast to move into the region this afternoon and evening, according to the NWS.
Those showers and thunderstorms should continue after midnight.
More showers and thunderstorms are possible tomorrow between 10 a.m. and 1 p.m., according to the weather service.