It covers Frederick, Carroll, Western Loudon and Jefferson Counties.
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1004 AM EST Wed Dec 14 2022 MDZ003>005-VAZ031-505-WVZ053-142315- /O.EXT.KLWX.WW.Y.0033.221215T0600Z-221215T2100Z/ Washington-Frederick MD-Carroll-Clarke-Western Loudoun-Jefferson- 1004 AM EST Wed Dec 14 2022 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 AM TO 4 PM EST THURSDAY... * WHAT...Freezing rain expected. Total ice accumulations of one to two tenths of an inch. Sleet may also mix in. * WHERE...North-central Maryland, portions of northern Virginia, and Jefferson County in West Virginia. * WHEN...From 1 AM to 4 PM EST Thursday. * IMPACTS...Difficult travel conditions are possible. The hazardous conditions will likely impact the morning commute on Thursday. * ADDITIONAL DETAILS...Wintry precipitation begins overnight and continues through Thursday morning. Warmer air should push in from southeast to northwest Thursday afternoon gradually changing the precipitation to rain. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. When venturing outside, watch your first few steps taken on steps, sidewalks, and driveways, which could be icy and slippery, increasing your risk of a fall and injury. By The National Weather Service, Sterling, Va.