FLOOD WATCH
Warning Issue Date: 1255 PM CST WED DEC 23 2009
...SNOW MELT AND RAINFALL MAY RESULT IN FLOODING THURSDAY
AFTERNOON THROUGH FRIDAY MORNING...
.A STORM SYSTEM CONTINUING TO DEVELOP IN THE SOUTHERN PLAINS AT
MIDDAY WILL TURN TO THE NORTHEAST LATE TODAY AND BE MOVING ACROSS
THE OZARKS THURSDAY. IT WILL THEN MOVE NORTHWARD AND BEGIN TO SLOW
AS IT TO MOVES TO THE MID MISSISSIPPI VALLEY BY FRIDAY MORNING.
MIXED PRECIPITATION WILL TURN TO ALL RAIN ACROSS ALL BUT FAR
NORTHERN ILLINOIS BY THURSDAY MORNING...AND ACROSS THE ENTIRE AREA
BY MIDDAY THURSDAY. MILD...VERY MOIST AIR WILL CONTINUE TO SPREAD
NORTH ACROSS THE REGION THROUGH THURSDAY NIGHT. THIS WILL CAUSE
MELTING OF ANY SNOW AND ICE ALREADY ON THE GROUND...AND RAIN IS
EXPECTED TO FALL FOR MUCH OF THE TIME TONIGHT THROUGH THURSDAY
NIGHT. PERIODS OF MODERATE TO OCCASIONALLY HEAVY RAIN ARE LIKELY
THURSDAY AFTERNOON AND NIGHT. RUNOFF FROM THE COMBINATION OF SNOW
MELT AND RAINFALL MAY LEAD TO FLOODING CONDITIONS.
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
240315-
/O.CON.KLOT.FA.A.0003.091224T1800Z-091225T1200Z/
/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
1254 PM CST WED DEC 23 2009 /154 PM EST WED DEC 23 2009/
...FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
LATE THURSDAY NIGHT...
THE FLOOD WATCH CONTINUES 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.
* FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT.
* RAIN IS EXPECTED TO BECOME MODERATE TO OCCASIONALLY HEAVY
THURSDAY AFTERNOON AND NIGHT. TOTAL RAINFALL AMOUNTS OF 1.5 TO 2
INCHES WILL BE COMMON....WITH THE POTENTIAL FOR LOCAL 3 INCH
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 AND MODERATE TO OCCASIONAL HEAVY RAIN DEVELOPS RAPID
RUNOFF DUE TO FROZEN GROUND CONDITIONS WILL RESULT IN
SIGNIFICANT RISES ON AREA RIVERS WILL OCCUR...WITH SOME RIVERS
POSSIBLY REACHING OR EXCEED FLOOD STAGE. FLOODING OF LOW LYING
AND 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 POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
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