Dense Fog Advisory For Much Of North/Central/Western Illinois, Southern Wisconsin, Southwest Michigan, Northwest Indiana, Eastern Iowa, Missouri

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
825 PM CST TUE NOV 20 2012

...DENSE FOG DEVELOPING AND PERSISTING INTO WEDNESDAY MORNING...

DUPAGE-COOK-WILL-KANKAKEE-IROQUOIS-FORD-LAKE IN-PORTER-NEWTON-
JASPER-BENTON-
INCLUDING THE CITIES OF...WHEATON...CHICAGO...JOLIET...KANKAKEE...
WATSEKA...PAXTON...GARY...VALPARAISO...MOROCCO...RENSSELAER...
FOWLER
825 PM CST TUE NOV 20 2012 /925 PM EST TUE NOV 20 2012/

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST /11 AM EST/
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST /11 AM EST/
WEDNESDAY.

* TIMING...FOG WILL BECOME PROGRESSIVELY MORE DENSE AND BE VERY
  SLOW TO IMPROVE WEDNESDAY MORNING.

* VISIBILITY...WIDESPREAD UNDER ONE QUARTER OF A
  MILE...POTENTIALLY DOWN TO A HUNDRED FEET OR LESS IN PLACES.

* IMPACTS...DENSE FOG WILL MAKE IT CHALLENGING FOR TRAVEL IN
  PLACES...INCLUDING PARTS OF THE CHICAGO METROPOLITAN AREA. THIS
  WILL IMPACT THE MORNING RUSH HOUR ON WEDNESDAY...ALONG WITH ANY
  EARLY HOLIDAY TRAVEL PLANS DURING THE EARLY TO MID MORNING.

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.

Read this article on Arlingtoncardinal.com ... 



Dense Fog Advisory, NWS