794 FPUS71 KLWX 312107 NOWLWX Short Term Forecast National Weather Service Baltimore MD/Washington DC 507 PM EDT WED MAY 31 2017 MDZ503-504-VAZ052-053-506-312200- Central and Southeast Montgomery-Northwest Montgomery-Fairfax-Eastern Loudoun-Prince William/Manassas/Manassas Park- 507 PM EDT WED MAY 31 2017 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN MONTGOMERY... SOUTHEASTERN LOUDOUN...NORTHWESTERN FAIRFAX AND NORTH CENTRAL PRINCE WILLIAM COUNTIES... At 507 PM EDT, a strong thunderstorm was located over South Riding, moving northeast at 30 mph. Winds in excess of 40 mph are possible with this storm. Locations impacted include... Centreville, Bethesda, Reston, South Riding, Herndon, Broadlands, Lansdowne, Lowes Island, Brambleton, Poolesville, American Legion Bridge, Dulles International Airport, Potomac, Ashburn, Oakton, Sterling, North Potomac, Chantilly, Tysons Corner and Wolf Trap. LAT...LON 3881 7753 3896 7764 3918 7737 3898 7713 TIME...MOT...LOC 2107Z 240DEG 24KT 3892 7750 $$ HSK