Update Jan. 31, 7 a.m.: Some parts of the D.C. areas are seeing flooding this morning as the region wakes up after a line of strong storms passed through the area, leaving storm damage and some power outages in their wake. A wind advisory is in effect for much of the region until 6 p.m. this evening, and weather forecasters are expecting a sharp drop in temperatures throughout the day.
Emergency responders have performed several water rescues in Montgomery County this morning, and officials are urging drivers to turn around if they encounter high water.
Update, 12:30 a.m.: The National Weather Service has allowed the tornado watch affecting the D.C. area to expire, with no tornadoes reported during the strong line of storms that affected the region from Wednesday afternoon onward.
Flash flooding is still a concern, with warnings not expiring much of the area until 4:30 a.m.
Gusts are forecasted to continue until as late as 6 a.m. Thursday. Downed powerlines accounted for a peak of 5,000 Dominion customers without power in Northern Virginia, but as of midnight, that number was down to 1,100.
Update, 7:40 p.m.: Dominion Virginia is reporting nearly 2,000 customers without service, with as many as 1,000 of those in Northern Virginia. As many as 750 Pepco customers in Montgomery County are without power as well.
More residents may see power outages as the night goes on and strong gusts down limbs and take out power lines.
A new thunderstorm warning has also been issued from Northern Virginia through the District all the way north to Baltimore City through 8:30 p.m.
Update: 7:13 p.m.: A severe thunderstorm warning has been issued for Northern Virginia, inclding Western Fairfax County, Fauquier County, Prince William County, Culpeper County, and the city of Manassas. It is in effect through 7:45 p.m.
Update, 6:30 p.m.: Add a tornado watch for the greater D.C. area to the list, including most of Maryland, the District and as far south as Charlottesville in Virginia. The tornado watch is in effect through 2 a.m.
This is the same storm system that brought tornadoes to Georgia. Tornadoes overturned cars and killed at least one person earlier today, according to NBC.
Update, 6:22 p.m.: A severe thunderstorm warning is now in effect for Culpeper and Southern Fauquier counties in Northern Virginia. Residents are encouraged to shelter indoors as this line of storms promises to be quite powerful, producing damaging winds up to 60 miles per hour.
The flash flood warnings have also been extended to Northwestern Montgomery County, Carroll County and Northwestern Howard County. Additional rainfall beyond what is already on the ground is to be expected in the area of 1 to 2 inches.
Update, 5:45 p.m.: The National Weather Service has issued a flash flood warning for Loudoun and Northwestern Fauquier Counties in Northern Virginia. One to two inches of rain is expected to fall in short periods of time, leading to potential flooding near streams, waterways and low-lying areas.
Original Story: The D.C. region should expect some wild weather this afternoon and into the evening as a cold front ushers in a strong line of storms stretching the length of the U.S. Strong winds and rain have already drenched Montgomery and Howard counties north of the Beltway.
A flash flood watch has been issued for most of the region starting at 3 p.m., and a coastal flood advisory is in effect along much of the mid-Atlantic shore. Earlier estimates showed the storm arriving later this evening, after rush hour, but those predictions have been updated to expect storms to be hitting the area by mid-afternoon.
The storms have led to tornadoes in some parts of Georgia, and large parts of the southeast are under a tornado watch. In the D.C. areas, some thunderstorms are possible and wind gusts are expected to reach between 35-50 mph.
There is also a risk of downed trees and power outages.
Temperatures will drop sharply after the storm passes through, with highs expected to be only in the 20s by Friday morning.A flood watch has also been issued for the Potomac River from Friday afternoon until Saturday afternoon.
Keep up to date with any weather related closings through our partner, NBC Washington.