HAZARDOUS WEATHER OUTLOOK
Issue Date: 511 AM CST FRI DEC 25 2009
Expiration: 500 AM CST SAT DEC 26 2009

/549 AM EST FRI DEC 25 2009/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
A COMBINATION OF RECENT MODERATE TO LOCALLY HEAVY RAINFALL...
MELTING OF SNOW AND ICE COVER...AND FROZEN GROUND CONDITIONS MAY
RESULT IN EXCESSIVE RUNOFF AND FLOODING OF LOW LYING AREAS AND
RISES ON AREA CREEKS AND RIVERS. NORTH CENTRAL ILLINOIS WHERE RAIN
HAS BEEN HEAVIEST...AND SNOW COVER DEEPER...WILL BE MOST LIKELY TO
SEE PROBLEMS WITH LOCALIZED FLOODING. RAIN WILL DIMINISH IN
INTENSITY AND WILL EVENTUALLY CHANGE TO LIGHT SNOW FROM WEST TO
EAST ACROSS THE OUTLOOK AREA THIS AFTERNOON. HOWEVER...AREAS OF
STANDING WATER MAY BE SLOW TO RECEDE.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
AREA CREEK AND RIVER LEVELS WILL REMAIN HIGH FOR THE NEXT SEVERAL
DAYS. IN ADDITION...ANY STANDING WATER FROM RAINFALL AND SNOW MELT
WILL LIKELY PERSIST INTO THE WEEKEND.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT...
HOWEVER SPOTTERS ARE ENCOURAGED TO REPORT FLOODING AND ANY SNOWFALL
ACCUMULATION LATER THIS AFTERNOON TO THE NATIONAL WEATHER SERVICE
CHICAGO.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
$$

FLOOD WATCH
Issue Date: 1148 PM CST THU DEC 24 2009
Expiration: 1200 PM CST FRI DEC 25 2009

...SNOW MELT AND RAINFALL MAY RESULT IN FLOODING TONIGHT THROUGH
FRIDAY MORNING...
.GRADUALLY RISING TEMPERATURES AND WIDESPREAD MODERATE TO HEAVY
RAIN OVERNIGHT WILL ASSIST IN THE MELTING OF SNOW AND ICE ALREADY
ON THE GROUND. THESE FACTORS...IN ADDITION TO THE FROZEN GROUND IN
MANY LOCATIONS...COULD LEAD TO EXCESSIVE RUNOFF AND FLOODING OF
LOW LYING AREAS...ESPECIALLY ALONG CREEKS AND STREAMS. A FLOOD
WARNING HAS BEEN ISSUED FOR THE AREAS THAT HAVE RECEIVED THE MOST
RAINFALL SO FAR...WHICH HAPPENS TO BE WHERE CONSIDERABLE SNOW WAS
ALREADY ON THE GROUND. IT IS POSSIBLE THIS WARNING WILL NEED TO
BE EXPANDED LATER TONIGHT.
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
251400-
/O.EXT.KLOT.FA.A.0003.000000T0000Z-091225T1800Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...
OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE...PONTIAC...
WATSEKA...PAXTON...GARY...VALPARAISO...MOROCCO...RENSSELAER...
FOWLER
1148 PM CST THU DEC 24 2009 /1248 AM EST FRI DEC 25 2009/
...FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY MORNING...
THE FLOOD WATCH IS NOW IN EFFECT FOR
* PORTIONS OF ILLINOIS AND INDIANA...INCLUDING THE FOLLOWING
AREAS...IN ILLINOIS...BOONE...COOK...DE KALB...DUPAGE...FORD...
GRUNDY...IROQUOIS...KANE...KANKAKEE...KENDALL...LA SALLE...
LAKE IL...LEE...LIVINGSTON...MCHENRY...OGLE...WILL AND
WINNEBAGO. IN INDIANA...BENTON...JASPER...LAKE IN...NEWTON AND
PORTER.
* THROUGH FRIDAY MORNING.
* RAIN...AT TIMES MODERATE TO HEAVY...WILL CONTINUE THROUGH THE
OVERNIGHT HOURS. TOTAL RAINFALL AMOUNTS OF 1.5 TO 2 INCHES
WILL BE COMMON....WITH THE POTENTIAL FOR LOCALLY HIGHER
RAINFALL TOTALS BY FRIDAY MORNING.
* CURRENT SNOW COVER RANGES FROM 4 TO 8 INCHES ACROSS NORTHWEST
ILLINOIS TO 1 TO 3 INCHES ACROSS NORTHWEST INDIANA. AS THE SNOW
MELTS UNDER MODERATE TO HEAVY RAIN...RAPID RUNOFF DUE TO FROZEN
GROUND CONDITIONS WILL RESULT IN SIGNIFICANT RISES ON AREA
RIVERS. FLOODING ACROSS LOW LYING AND OTHER FLOOD PRONE AREAS
WILL ALSO BE POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR ADDITIONAL
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD
BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
LENNING