From the ABC 7 Weather team

Severe thunderstorm warning in D.C., suburbs: Hail reported

August 18, 2011 - 05:25 PM
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Stay safe: The District, Vienna, Ballston and other nearby communities are in the path of some righteous hail and powerful wind right now.

UPDATE: 6:05 p.m.: The severe thunderstorm warning has been extended to 6:45 p.m. There's also a new flash flood warning in Fairfax and south central Montgomery, where the storm has dropped a sea's worth of fresh water. For updates and storm reports, check out this live blog.

ORIGINAL: The National Weather Service just put D.C. and several suburbs (southern Montgomery County, Fairfax, Falls Church, Arlington, etc. See below for details) under a severe thunderstorm warning. That means go inside, now. The warning is set to expire at 6 p.m., but check the ABC7 weather page for updates as well as radar and the latest forecast.

This local hazard is from a storm that's been bugging Baltimore and neighbors to the north for some time now. Reports ABC7's Alex Liggitt: "There is a ton of lightning in the Anne Arunel storm, also a flash flood warning with over 1" of rain reported." Hail has been reported around the region, and more of it as large as quarters is possible, according to the NWS' warning.

Here are the details:

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
521 PM EDT THU AUG 18 2011

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
THE DISTRICT OF COLUMBIA...
SOUTHERN MONTGOMERY COUNTY IN CENTRAL MARYLAND...
CITY OF FAIRFAX IN NORTHERN VIRGINIA...
CITY OF FALLS CHURCH IN NORTHERN VIRGINIA...
ARLINGTON COUNTY IN NORTHERN VIRGINIA...
CENTRAL FAIRFAX COUNTY IN NORTHERN VIRGINIA...

* UNTIL 600 PM EDT

* AT 517 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF QUARTERS AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MANTUA...AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
MERRIFIELD...
VIENNA...
ANNANDALE...
THE I66 AND I495 INTERCHANGE...
TYSONS CORNER...
PIMMIT HILLS...
LAKE BARCROFT...
MCLEAN...
BALLSTON...
THE AMERICAN LEGION BRIDGE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE NATIONAL WEATHER SERVICE.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WIND GUSTS...LARGE HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING. MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

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