Issued: 9:59 PM Dec. 13, 2019 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... * WHAT...Areas of dense fog with visibility around one-quarter mile. * WHERE...The Washington and Baltimore Metropolitan areas, central Maryland, northern Virginia, portions of central Virginia and eastern West Virginia. * WHEN...Until midnight EST tonight. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&