Temperatures could drop as low as 34 degrees.
URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1245 PM EDT Wed May 17 2023 MDZ001-003>006-501-502-507-VAZ026>031-503-504-WVZ050>053-055- 501>506-180045- /O.NEW.KLWX.FR.Y.0009.230518T0600Z-230518T1200Z/ Garrett-Washington-Frederick MD-Carroll-Northern Baltimore- Extreme Western Allegany-Central and Eastern Allegany- Northwest Harford-Rockingham-Shenandoah-Frederick VA-Page-Warren- Clarke-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 Mountain Lake Park, Oakland, Grantsville, Hagerstown, Frederick, Ballenger Creek, Eldersburg, Westminster, Reisterstown, Cockeysville, Frostburg, Cumberland, Jarrettsville, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Hightown, Monterey, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Bayard, Mount Storm, Petersburg, Elk Garden, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, Fort Ashby, Riverton, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 1245 PM EDT Wed May 17 2023 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...The West Virginia Panhandle, portions of the Shenandoah Valley in Virginia, and northern Maryland. * WHEN...From 2 AM to 8 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.
By The National Weather Service, Sterling, Va.