...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS

EVENING...

...EXCESSIVE HEAT WARNING IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM

CDT FRIDAY...


THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED AN EXCESSIVE

HEAT WARNING...WHICH IS IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM CDT

FRIDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. A DENSE

FOG ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING.


* TEMPS AND HEAT INDEX...HIGH TEMPERATURES IN THE MIDDLE TO

PERHAPS UPPER 90S WILL COMBINE WITH OPPRESSIVE HUMIDITY VALUES

TO RESULT IN DANGEROUS HIGH HEAT INDICES OF 105 TO 115 DEGREES

BOTH WEDNESDAY AND THURSDAY AFTERNOON. LITTLE RELIEF IS EXPECTED

FROM THE HEAT WEDNESDAY NIGHT...ESPECIALLY IN THE CITY OF

CHICAGO WHERE LOWS WILL BE IN THE LOWER 80S WITH NIGHT TIME HEAT

INDEX READINGS LIKELY TO REMAIN ABOVE 90 DEGREES THROUGH THE

NIGHT.


* TIMING OF DENSE FOG ADVISORY WILL BE THROUGH THIS EVENING WITH

VISIBILITY OF A QUARTER MILE OR LESS EXPECTED FOR AREAS ALONG

THE SHORE OF LAKE MICHIGAN...ESPECIALLY ALONG THE INDIANA SHORE

EAST OF GARY. VISIBILITY WILL IMPROVE RAPIDLY INLAND...WITH MANY

AREAS NOT SEEING DENSE FOG EVEN A HALF MILE OR LESS INLAND.


PRECAUTIONARY/PREPAREDNESS ACTIONS...


TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN

POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR

EVENING.  KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT

STROKE.  WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN

POSSIBLE AND DRINK PLENTY OF WATER.


TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND

HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS

IN SHADED OR AIR CONDITIONED ENVIRONMENTS.  ANYONE OVERCOME BY

HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION.  HEAT STROKE

IS AN EMERGENCY...CALL 9 1 1. IF YOU ARE IN THE CITY OF

CHICAGO...CALL THE CITYS 24 HOUR 3 1 1 HEAT EMERGENCY NUMBER.


AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF

DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT

TEMPERATURES AND HIGH HUMIDITY WILL CREATE A DANGEROUS SITUATION

IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY

IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP

ON RELATIVES AND NEIGHBORS.


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.
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