403 AM CDT TUE MAR 13 2012 …PATCHY DENSE FOG CONTINUES OVER PORTIONS OF CENTRAL IOWA…

FOG HAS DEVELOPED OVER MUCH OF THE AREA EARLY THIS MORNING. PATCHY DENSE FOG WITH VISIBILITY LESS THAN ONE QUARTER MILE AT TIMES HAS ALSO DEVELOPED GENERALLY BETWEEN THE HIGHWAY 18 AND INTERSTATE 80 CORRIDORS.

THE FOG IS LIKELY TO CONTINUE THROUGH 830 AM CDT AND MAY EXPAND SOMEWHAT ACROSS THE AREA PRIOR TO SUNRISE. PERSONS TRAVELING EARLY THIS MORNING SHOULD BE ON THE LOOKOUT FOR AREAS OF DENSE FOG AND VERY LOW VISIBILITY.

REMEMBER TO ALLOW YOURSELF EXTRA TIME TO REACH YOUR DESTINATION SAFELY. USE LOW BEAM HEADLIGHTS AND SLOW DOWN IN AREAS WHERE VISIBILITY IS EXCEPTIONALLY LOW. THE MORNING COMMUTE WILL GENERALLY TAKE LONGER AND EXTRA CAUTION IS ADVISED WHILE TRAVELING THIS TUESDAY MORNING.

CONDITIONS SHOULD BEGIN IMPROVING BETWEEN 800 AND 830 AM CDT THIS MORNING.