Updated at 5 p.m. — Several instances of flooded roadways and five downed trees have been reported in various parts of Arlington after a thunderstorm packing heavy rain, hail and strong, gusty winds rolled through the county at the start of the evening rush hour. Thus far no significant power outages have been reported.
Storm update: Roadway flooding reported on the 5500 block of Columbia Pike and the intersection of Lee Highway and Kirkwood. Tree reported down along Military Road.
— Arlington Now (@ARLnowDOTcom) August 13, 2018
— Mark Reed (@markr867) August 13, 2018
Update at 4:15 p.m. — The National Weather Service has issued a Severe Thunderstorm Warning for Arlington through 5 p.m. More from NWS:
BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
411 PM EDT MON AUG 13 2018
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR… ARLINGTON COUNTY IN NORTHERN VIRGINIA… SOUTHEASTERN FAIRFAX COUNTY IN NORTHERN VIRGINIA… THE CITY OF ALEXANDRIA IN NORTHERN VIRGINIA…
* UNTIL 500 PM EDT.
* AT 410 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED OVER LAKE RIDGE, OR NEAR WOODBRIDGE, MOVING EAST AT 20 MPH.
HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE…TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZE HAIL IN INDEPENDENT HILL IN PRINCE WILLIAM COUNTY.
IMPACT…DAMAGING WINDS WILL CAUSE SOME TREES AND LARGE BRANCHES TO FALL. THIS COULD INJURE THOSE OUTDOORS, AS WELL AS DAMAGE HOMES AND VEHICLES. ROADWAYS MAY BECOME BLOCKED BY DOWNED TREES. LOCALIZED POWER OUTAGES ARE POSSIBLE. UNSECURED LIGHT OBJECTS MAY BECOME PROJECTILES.
* LOCATIONS IMPACTED INCLUDE… ARLINGTON, ALEXANDRIA, ANNANDALE, SPRINGFIELD, FORT WASHINGTON, FORT HUNT, GROVETON, HUNTINGTON, FORT BELVOIR, REAGAN NATIONAL AIRPORT, CRYSTAL CITY, BURKE, LINCOLNIA, LORTON, FRANCONIA, HYBLA VALLEY, NEWINGTON, LAKE BARCROFT, I395 AND I495 INTERCHANGE AND BALLSTON.
Severe storms heading into the Beltway just in time for rush hour. pic.twitter.com/OhrbAmzDum
— Capital Weather Gang (@capitalweather) August 13, 2018
Earlier: Weather watchers say some heavy rain this afternoon could produce dangerous flooding in Arlington.
The National Weather Service issued a flash flood watch for the county and several other jurisdictions around the D.C. region through 10 p.m. today.
The NWS is warning that “slow-moving showers and thunderstorms this afternoon and evening will be capable of producing intense rainfall rates that could lead to flash flooding.”
Flash Flood Watch has been expanded southward to include metro Washington DC and additional portions of northwestern Virginia and eastern West Virginia. Aside from the flood threat, storms this afternoon and evening could produce localized damage due to gusty winds. Keep alert! pic.twitter.com/MTvM8W0YMp
— NWS DC/Baltimore (@NWS_BaltWash) August 13, 2018
Full details from the NWS below:
District of Columbia-Prince Georges-Anne Arundel-Shenandoah-
Western Grant-Eastern Grant-
Including the cities of Washington, Bowie, Suitland-Silver Hill,
Clinton, College Park, Greenbelt, Laurel, Camp Springs,
Glen Burnie, Annapolis, Severn, South Gate, Severna Park, Arnold,
Odenton, Strasburg, Woodstock, Mount Jackson, New Market,
Front Royal, Reston, Herndon, Annandale, Centreville, Chantilly,
McLean, Franconia, Arlington, Alexandria, Moorefield, Bayard,
Mount Storm, and Petersburg
105 PM EDT Mon Aug 13 2018
…FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM EDT THIS EVENING…
The National Weather Service in Sterling Virginia has expanded
* Flash Flood Watch to include portions of central Maryland, The
District of Columbia, Virginia, and eastern West Virginia,
including the following areas, in central Maryland, Anne
Arundel and Prince Georges. The District of Columbia. In
Virginia, Arlington/Falls Church/Alexandria, Fairfax,
Shenandoah, and Warren. In eastern West Virginia, Eastern
Grant, Hardy, and Western Grant.
* Until 10 PM EDT this evening
* Slow moving showers and thunderstorms this afternoon and
evening will be capable of producing intense rainfall rates
that could lead to flash flooding.
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.