HAZARDOUS WEATHER OUTLOOK
Issue Date: 508 AM CST THU DEC 24 2009
Expiration: 515 AM CST FRI DEC 25 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
FREEZING RAIN WILL CONTINUE ACROSS THE NORTHERN HALF OF THE
OUTLOOK AREA THROUGH MIDDAY TODAY. ADDITIONAL ICE ACCUMULATIONS
WILL BE UP TO A TENTH OF AN INCH...WITH THE GREATEST ACCUMULATIONS
ON UNTREATED AND ELEVATED SURFACES. PLEASE REFERENCE THE LATEST
WINTER WEATHER STATEMENTS FOR WARNINGS AND ADVISORIES THAT ARE IN
EFFECT...AS WELL AS THE MOST UP TO DATE FORECAST INFORMATION.
BY NOON TODAY...TEMPERATURES ARE EXPECTED TO RISE ABOVE
FREEZING. AS THIS TAKES PLACE...PRECIPITATION WILL TRANSITION FROM
FREEZING RAIN TO RAIN ACROSS THE OUTLOOK AREA. MODERATE TO HEAVY
RAIN IS EXPECTED TO PERSIST FROM THE AFTERNOON THROUGH THE
OVERNIGHT HOURS. THIS RAINFALL WILL COMBINE WITH RAPIDLY MELTING
SNOW AND ICE TO CREATE SIGNIFICANT AMOUNTS OF RUNOFF...WHICH MAY
RESULT IN RISES ALONG AREA RIVERS...AS WELL FLOODING OF LOW LYING
AND FLOOD PRONE AREAS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
PRECIPITATION IS EXPECTED TO CHANGE BACK TO LIGHT SNOW SHOWERS DURING THE
DAY ON FRIDAY...AND THESE SNOW SHOWERS WILL PERSIST THROUGH LATE
SUNDAY. 1 TO 3 ADDITIONAL INCHES OF SNOW COULD ACCUMULATE BY
SUNDAY NIGHT.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH
TONIGHT...HOWEVER...SPOTTERS ARE ENCOURAGED TO REPORT ANY OBSERVED
FLOODING TO THE NATIONAL WEATHER SERVICE IN CHICAGO.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
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