URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
646 AM CST THU DEC 30 2010

...FOG WILL INCREASE AS WARM AIR RETURNS TO NORTHERN ILLINOIS...

.DENSE FOG WILL SPREAD OVER NORTH CENTRAL ILLINOIS LATER THIS
MORNING. WARMER AND MORE MOIST AIR WILL MOVE OVER THE REMAINING
SNOW THIS MORNING AND FOG WILL DEVELOP.

COUNTY SPECIFIC MESSAGE:

/O.NEW.KLOT.FG.Y.0018.101230T1600Z-101231T1300Z/
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA
646 AM CST THU DEC 30 2010

...DENSE FOG ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 AM
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 AM CST
FRIDAY.

* TIMING...THE FOG WILL BECOME THICK LATER THIS MORNING AND EARLY
AFTERNOON.

* VISIBILITY...SOME LOCATIONS COULD BE A QUARTER OF A MILE.

* IMPACTS...LOW VISIBILITY MAY MAKE TRAVEL DIFFICULT.

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.