NPWMFL URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 300 AM EST SUN DEC 13 2009 ...DENSE FOG ADVISORY NORTH INTERIOR UNTIL 900 AM RST... FLZ063-066-067-070-071-131400- /O.NEW.KMFL.FG.Y.0031.091213T0800Z-091213T1400Z/ GLADES-HENDRY-INLAND PALM BEACH-INLAND COLLIER-INLAND BROWARD- INCLUDING THE CITIES OF...MOORE HAVEN...CLEWISTON...PAHOKEE... SOUTH BAY...BELLE GLADE...WELLINGTON...IMMOKALEE 300 AM EST SUN DEC 13 2009 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM EST THIS MORNING. NEAR CALM WINDS COMBINED WITH HIGH LOW LEVEL MOISTURE UNDER MOSTLY CLEAR HAS LEAD TO FOG DEVELOPMENT OVER THE NORTH INTERIOR PORTIONS OF SOUTH FLORIDA AROUND AND WEST OF LAKE OKEECHOBEE. LAW HAS REPORTED VISIBILITY TO 50 FEET IN SOUTHEAST HENDRY COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$