FLOOD ADVISORY
Warning Issue Date: 824 PM CST THU DEC 24 2009
THE FLOOD ADVISORY IS EXTENDED FOR
THE DES PLAINES RIVER AT RIVERSIDE
* UNTIL SUNDAY AFTERNOON.
* AT 745 PM THURSDAY THE STAGE WAS 3.9 FEET.
* BANKFULL STAGE IS 6.0 FEET.
* FLOOD STAGE IS 7.0 FEET.
* FORECAST...THE RIVER WILL RISE TO NEAR 6.6 FEET BY SATURDAY
AFTERNOON.
* IMPACT...AT 6.5 FEET...FLOODING AFFECTS FOREST PRESERVE AREAS.
$$
FLOOD WATCH
Warning Issue Date: 640 PM CST THU DEC 24 2009
...SNOW MELT AND RAINFALL MAY RESULT IN FLOODING TONIGHT THROUGH
FRIDAY MORNING...
.GRADUALLY RISING TEMPERATURES TOGETHER WITH WIDESPREAD MODERATE
TO HEAVY RAIN TONIGHT 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.
LOCAL LAW ENFORCEMENT HAS REPORTED AREAS OF PONDING BUT NO MAJOR
PROBLEMS IN THE AREAS WITH THE MOST RAINFALL SO FAR...THOUGH THIS
SITUATION WILL CONTINUE TO BE MONITORED.
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
250845-
/O.CON.KLOT.FA.A.0003.000000T0000Z-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
631 PM CST THU DEC 24 2009 /731 PM EST THU DEC 24 2009/
...FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM CST /7 AM EST/
FRIDAY...
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.
* UNTIL 6 AM CST /7 AM EST/ FRIDAY.
* 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 AND MODERATE TO OCCASIONAL HEAVY RAIN DEVELOPS... 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 POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
LENNING
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