SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 734 PM EDT THU AUG 18 2011 VAC059-107-153-600-190000- /O.CON.KLWX.SV.W.0368.000000T0000Z-110819T0000Z/ CITY OF FAIRFAX VA-LOUDOUN VA-PRINCE WILLIAM VA-FAIRFAX VA- 734 PM EDT THU AUG 18 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR THE CITY OF FAIRFAX...AND FAIRFAX...PRINCE WILLIAM AND LOUDOUN COUNTIES... AT 733 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF HALF DOLLARS AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CENTREVILLE...MOVING EAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... SOUTH RIDING... CENTREVILLE... CHANTILLY... DULLES INTERNATIONAL AIRPORT... OAKTON... RESTON... HERNDON... WOLF TRAP... PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 3891 7759 3903 7727 3884 7719 3878 7756 TIME...MOT...LOC 2334Z 249DEG 12KT 3885 7750 $$