Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Sterling, VA

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536 WWUS71 KLWX 201001 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 601 AM EDT Mon May 20 2024 MDZ004-503-504-VAZ053-055-056-505-506-526-527-201400- /O.EXB.KLWX.FG.Y.0014.240520T1100Z-240520T1400Z/ Frederick MD-Northwest Montgomery-Central and Southeast Montgomery-Fairfax-Stafford-Spotsylvania-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- Including the cities of Franconia, Sterling, Lake Ridge, Ballenger Creek, Fredericksburg, McLean, Haymarket, Leesburg, Chantilly, Centreville, Purcellville, Damascus, Rockville, Germantown, Annandale, Montclair, Silver Spring, Gaithersburg, Ashburn, Frederick, Reston, Woodbridge, Manassas, Falmouth, Dale City, Herndon, and Bethesda 601 AM EDT Mon May 20 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...In Maryland, Central and Southeast Montgomery, Northwest Montgomery, and Frederick MD Counties. In Virginia, Spotsylvania, Central and Southeast Prince William/Manassas/Manassas Park, Eastern Loudoun, Fairfax, Northwest Prince William, Stafford, and Western Loudoun Counties. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ001-003-501-502-VAZ025>031-036>040-050-051-501>504-WVZ050>053-055- 501>506-201400- /O.CON.KLWX.FG.Y.0014.000000T0000Z-240520T1400Z/ Garrett-Washington-Extreme Western Allegany-Central and Eastern Allegany-Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren- Clarke-Nelson-Albemarle-Greene-Madison-Rappahannock-Orange- Culpeper-Northern Fauquier-Southern Fauquier-Western Highland- Eastern Highland-Hampshire-Morgan-Berkeley-Jefferson-Hardy- Western Grant-Eastern Grant-Western Mineral-Eastern Mineral- Western Pendleton-Eastern Pendleton- Including the cities of Brandywine, Fort Ashby, Franklin, Berryville, Monterey, Stanley, Paw Paw, Madison, Washington, Harrisonburg, Turnbull, Bayard, Lovingston, Elk Garden, Hightown, Luray, Shepherdstown, Mount Storm, Woodstock, Moorefield, Antioch, Russelldale, Stuarts Draft, Martinsburg, Culpeper, Oak Flat, Hagerstown, Orange, New Market, Staunton, Gordonsville, Petersburg, Riverton, Shenandoah, Keyser, Frostburg, Winchester, Grantsville, Charles Town, Romney, New Creek, Warrenton, Mount Jackson, Headsville, Stanardsville, Cumberland, Waynesboro, Oakland, Charlottesville, Mountain Lake Park, Strasburg, Front Royal, Ruddle, Sugar Grove, and Ridgeville 601 AM EDT Mon May 20 2024 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of north central and western Maryland, central, northern, northwest, and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ DHOF