The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for. Northwestern Montgomery County in central Maryland. Southwestern Frederick County in north central Maryland. Northeastern Loudoun County in northern Virginia. * Until 415 PM EDT. * At 334 PM EDT, a severe thunderstorm was located over Point Of Rocks, or 9 miles southwest of Harry Grove Stadium, moving east at 15 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. 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. Frederick, Harry Grove Stadium, Ballenger Creek, Brunswick, Braddock Heights, New Market, Point Of Rocks, Linganore-Bartonsville, Adamstown, Jefferson, Buckeystown, Monrovia, Rosemont, Ijamsville, Doubs, Park Mills, Petersville, Tuscarora and Taylorstown. HAIL THREAT. RADAR INDICATED MAX HAIL SIZE. 1.00 IN WIND THREAT. RADAR INDICATED MAX WIND GUST. 60 MPH

SEVERE THUNDERSTORM WATCH 261 IS IN EFFECT UNTIL 900 PM EDT FOR THE FOLLOWING LOCATIONS VA . VIRGINIA COUNTIES INCLUDED ARE ALBEMARLE ARLINGTON AUGUSTA CLARKE CULPEPER FAIRFAX FAUQUIER FREDERICK GREENE KING GEORGE LOUDOUN MADISON NELSON ORANGE PAGE PRINCE WILLIAM RAPPAHANNOCK ROCKINGHAM SHENANDOAH SPOTSYLVANIA STAFFORD WARREN VIRGINIA INDEPENDENT CITIES INCLUDED ARE ALEXANDRIA CHARLOTTESVILLE FAIRFAX FALLS CHURCH FREDERICKSBURG HARRISONBURG MANASSAS MANASSAS PARK STAUNTON WAYNESBORO WINCHESTER