NPWEYW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE KEY WEST FL 1236 AM EST SUN DEC 25 2005 ...DENSE FOG IN THE UPPER KEYS THIS MORNING... FLZ076-251300- /O.NEW.KEYW.FG.Y.0001.051225T0536Z-051225T1300Z/ MONROE UPPER KEYS- INCLUDING THE COMMUNITIES OF...KEY LARGO 1236 AM EST SUN DEC 25 2005 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING... THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A DENSE FOG ADVISORY FOR THE UPPER KEYS...WHICH IS IN EFFECT UNTIL 8 AM EST THIS MORNING. A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER OF A MILE. MOTORISTS SHOULD DRIVE WITH EXTREME CAUTION AND ALLOW ADDITIONAL TRAVEL TIME. USE LOW BEAMS... REDUCE DRIVING SPEED...AND ALLOW FOR PLENTY OF ROOM BETWEEN YOU AND OTHER CARS. YOU CAN OVERTAKE ANOTHER VEHICLE QUICKLY IN POOR VISIBILITIES...SO SLOW DOWN AND DRIVE DEFENSIVELY. MOISTURE DEPOSITED ON ROADWAYS AND SIDEWALKS BY THE FOG COULD BE QUITE SLIPPERY FOR BOTH VEHICLES AND PEDESTRIANS. $$ BS