DENSE FOG ADVISORY LAKE COUNTY AND COOK COUNTY ALONG LAKE MICHIGAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
638 PM CDT FRI MAR 23 2012

LAKE IL-COOK-
INCLUDING THE CITIES OF...WAUKEGAN...CHICAGO
638 PM CDT FRI MAR 23 2012

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT SATURDAY...



THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CDT SATURDAY.

* VISIBILITY...AREAS OF DENSE FOG MOVING ONSHORE FROM LAKE
  MICHIGAN WILL REDUCE VISIBILITY TO LESS THAN A QUARTER MILE AT
  TIMES. THE VISIBILITY MAY BRIEFLY IMPROVE...ESPECIALLY WITHIN
  RAIN SHOWERS EARLY THIS EVENING...BUT THE DENSE FOG SHOULD
  QUICKLY RETURN AND PERSIST THROUGH THE NIGHT.

* IMPACTS...MOTORISTS WILL LIKELY ENCOUNTER RAPID REDUCTIONS IN
  THE VISIBILITY AS THEY ENTER THE DENSE FOG. THIS WILL MAKE
  TRAVEL HAZARDOUS. USE CAUTION AND REMAIN ALERT FOR RAPIDLY
  CHANGING CONDITIONS WHEN TRAVELING TONIGHT INTO SATURDAY
  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.