* TIMING...AREAS OF DENSE FOG WILL PROBABLY TAKE UNTIL LATE MORNING TO BURN AWAY. THE FOG WILL AFFECT THE MORNING COMMUTE.
* IMPACTS...THE FOG WILL MAKE TRAVEL HAZARDOUS DUE TO VERY LOW VISIBILITY...NEAR ZERO IN PLACES. IN ADDITION...THE MOISTURE MAY FREEZE ON SURFACES...CAUSING BLACK ICE AND SLIPPERY ROADS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY IS ISSUED WHEN WIDESPREAD DENSE FOG WILL SUBSTANTIALLY REDUCE VISIBILITIES...RESULTING IN HAZARDOUS DRIVING CONDITIONS OVER MOST OF THE ADVISORY AREA. MOTORISTS ARE ADVISED TO SLOW DOWN...USE LOW BEAM HEADLIGHTS OR FOG LIGHTS... AND KEEP A SAFE DISTANCE FROM THE VEHICLE IN FRONT OF YOU. CONSIDER ALLOWING EXTRA TIME TO REACH YOUR DESTINATION.
ICE MAY ALSO FORM ON SURFACES AND MAKE TRAVEL SLIPPERY. METAL OBJECTS AND BRIDGE DECKS USUALLY FREEZE FIRST. ANY ROADWAY WHICH APPEARS WET MAY ACTUALLY BE ICY. USE EXTREME CAUTION IF YOU MUST TRAVEL OVERNIGHT AND MONDAY MORNING.
This Advisory covers the following counties and cities
NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR- HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN- NORTHERN LYCOMING-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER- MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- INCLUDING THE CITIES OF...RENOVO...DUBOIS...CLEARFIELD... PHILIPSBURG...STATE COLLEGE...ALTOONA...HUNTINGDON... MOUNT UNION...LEWISTOWN...MIFFLINTOWN...BEDFORD... MCCONNELLSBURG...CHAMBERSBURG...TROUT RUN...LOCK HAVEN... WILLIAMSPORT...LEWISBURG...SELINSGROVE...DANVILLE...SUNBURY... SHAMOKIN...BLOOMSBURG...BERWICK...NEWPORT...HARRISBURG... HERSHEY...POTTSVILLE...LEBANON...CARLISLE...GETTYSBURG...YORK... LANCASTER