Updated at 3 p.m. — Swinks Mill Road in McLean has reopened after floodwaters swept debris onto the bridge at Scott Run this morning.
Updated at 12:10 p.m. — A Tornado Watch has been issued for the D.C. area, including Fairfax County, until 7 p.m.
Updated at 11:30 a.m. — All activities scheduled to take place in Fairfax County Public Schools this afternoon and evening have been canceled due to the anticipated inclement weather.
Earlier: Several feet of water surrounded a car on a road in Wolf Trap this morning (Wednesday) after an overnight storm passed through Fairfax County, producing flooding with more rain expected to fall throughout the day.
The National Weather Service issued a Flood Warning at 8:35 a.m. today (Wednesday) for central Fairfax County and Northern Virginia that will be in effect until noon.
“At 8:35 a.m. EDT, stream gauges report water levels continue to rise from earlier heavy rain,” the NWS said in the alert. “Flooding is already occurring in the warned area. Between 1.5 and 2.5 inches of rain have fallen.”
A Flash Flood Watch is also in effect for much of the D.C. area through 8 a.m. tomorrow (Thursday).
Fairfax County officials warned people not to drive through flooded routes. It was unclear the extent of rescue efforts that occurred in Wolf Trap, which the county first described as Vienna. A spokesperson later said officials responded to the 9900 block of Browns Mill Road.
Officials closed several roads due to flooding, including Old Courthouse and Besley roads in Tysons, Fairfax County Police Department reported.
Locations expected to face flooding include Dunn Loring, Great Falls, Merrifield, Pimmit Hills, Tysons, and Vienna.
The Virginia Department of Transportation’s Northern Virginia District reported at 8:55 a.m. that Swinks Mill Road has been closed just north of Scott Run, posting a photo on Twitter of damage to a bridge over the stream.
McLean: Swinks Mill Rd is closed just north of the bridge over Scott Run. The bridge itself is fine. Crews will be removing debris and repairing the approach to the bridge. This is not expected to be a long-term closure. pic.twitter.com/cCUuvQN3fO
— VDOT Northern VA (@VaDOTNOVA) September 1, 2021
The flooding and rain come courtesy of Tropical Depression Ida, the remnants of the hurricane that slammed the Gulf Coast earlier this week.
While the storm is expected to become post-tropical today, it could still bring three to eight inches of rain with some higher amounts through Thursday, and significant and life-threatening flash flooding is likely in the mid-Atlantic, the NWS Weather Prediction Center said in a 5 a.m. bulletin.
“We are expecting several inches of rain today from the remnants of Hurricane Ida, picking up in intensity in the early afternoon until around midnight,” Fairfax County said in a post on its emergency information blog. “We have already experienced an early morning storm that has led to power outages, swift water rescues and numerous road closures due to downed trees and flooded roads.”
The Fairfax County Fire and Rescue Department is urging people to avoid driving through flooded or closed roadways, noting that stalled and trapped cars put the driver, passengers, and first responders in unnecessary danger.
“By now, many drivers across Fairfax County know which roads traditionally flood,” the department wrote in a blog post. “FCFRD asks that if you need to be on the roadways today that you stay informed and plan alternate routes around flooded roadways. Our firefighters and paramedics do not want to meet you by (a preventable) ‘accident’!”
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