Alertes en vigueurAéroport de Municipal Frederick, MD

The National Weather Service in Sterling Virginia has issued a Snow Squall Warning for Southeastern Washington County in north central Maryland Howard County in central Maryland Montgomery County in central Maryland Southern Frederick County in north central Maryland Southwestern Baltimore County in northern Maryland South central Carroll County in north central Maryland Loudoun County in northern Virginia Shenandoah County in northwestern Virginia Frederick County in northwestern Virginia Northeastern Rockingham County in western Virginia Warren County in northwestern Virginia Clarke County in northwestern Virginia The City of Winchester in northwestern Virginia Jefferson County in the Panhandle of West Virginia Central Hardy County in eastern West Virginia South central Berkeley County in the Panhandle of West Virginia Southeastern Hampshire County in eastern West Virginia Until 530 AM EST. At 429 AM EST, a dangerous snow squall was located along a line extending from near New Market to near Berryville to near Moorefield, moving southeast at 35 mph.
Hazard: Intense bursts of heavy snow. Gusty winds leading to blowing snow and visibility rapidly falling to less than one-quarter mile. Wind gusts up to 35 mph.
Source: Radar and webcams.
Impact: Dangerous and life-threatening travel conditions are expected to develop rapidly in the warning area. This includes the following highway
S: Interstate 70 in Maryland between mile markers 49 and 88. Interstate 95 in Maryland between mile markers 35 and 45. Interstate 270 in Maryland between mile markers 1 and 32. Locations impacted include Columbia, Germantown, Frederick, Rockville, Bethesda, Gaithersburg, Leesburg, Olney, Winchester, South Riding, Elkridge, Damascus, Front Royal, Broadlands, Lansdowne, Lowes Island, Brambleton, Strasburg, Charles Town, and Poolesville.

Reduce speed and turn on headlights! During snow squalls, the visibility may suddenly drop to near zero in whiteout conditions. Consider avoiding or delaying travel until the snow squall passes your location. If you must travel, use extra caution and allow extra time. Rapid changes in visibility and slick road conditions may lead to accidents.