Expires:No;;432381 WWUS73 KDTX 262120 NPWDTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 420 PM EST FRI DEC 26 2008 ...DENSE FOG EXPECTED TO DEVELOP ACROSS SOUTHEAST MICHIGAN TONIGHT... .WIDESPREAD DENSE FOG IS EXPECTED TO FORM OVER THE REGION THIS EVENING AS A VERY WARM AND MOIST AIRMASS IS TRANSPORTED INTO LOWER MICHIGAN. FOG DEVELOPMENT WILL BE ENHANCED AS THIS WARM AIR IS TRVICE IN DETROIT/PONTIAC HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST SATURDAY. WIDESPREAD DENSE FOG IS EXPECTED TO DEVELOP OVER SOUTHEAST MICHIGAN THIS EVENING AND LAST INTO SATURDAY MORNING. THE FOG WILL REDUCE VISIBILITIES TO BELOW ONE QUARTER OF A MILE...MAKING TRAVEL HAZARDOUS. 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. && $$ HLO