544 PM EDT Mon Oct 25 2021 The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Montgomery County in central Maryland... South central Frederick County in north central Maryland... Northeastern Loudoun County in northern Virginia... North central Fairfax County in northern Virginia... * Until 630 PM EDT. * At 544 PM EDT, severe thunderstorms were located along a line extending from South Riding to Herndon to Wolf Trap, moving northeast at 50 mph. HAZARD...60 mph wind gusts. 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... Germantown, Rockville, Gaithersburg, Reston, Leesburg, Olney, Herndon, Damascus, Broadlands, Lansdowne, Lowes Island, Brambleton, Poolesville, Potomac, Ashburn, Montgomery Village, Sterling, North Potomac, Redland and Great Falls. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.
By The National Weather Service, Sterling, Va.