FLOOD WARNING
Issue Date: 1125 PM CST THU DEC 24 2009
Expiration: 1115 AM CST FRI DEC 25 2009

FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1125 PM CST THU DEC 24 2009
ILC007-037-099-103-111-141-201-251715-
/O.NEW.KLOT.FA.W.0015.091225T0525Z-091225T1715Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1125 PM CST THU DEC 24 2009
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
BOONE COUNTY IN NORTH CENTRAL ILLINOIS...
DEKALB COUNTY IN NORTH CENTRAL ILLINOIS...
NORTHERN LA SALLE COUNTY IN NORTH CENTRAL ILLINOIS...
LEE COUNTY IN NORTH CENTRAL ILLINOIS...
OGLE COUNTY IN NORTH CENTRAL ILLINOIS...
WINNEBAGO COUNTY IN NORTH CENTRAL ILLINOIS...
WESTERN MCHENRY COUNTY IN NORTHEAST ILLINOIS...
* UNTIL 1115 AM CST FRIDAY...
* AT 1113 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A LARGE
SWATH OF MODERATE TO HEAVY RAINFALL ACROSS MUCH OF NORTHERN
ILLINOIS...WITH ADDITIONAL RAIN HEADING TOWARD THE AREA.  THIS RAIN
IS FALLING ONTO SATURATED AND POSSIBLY EVEN FROZEN GROUND.  LOW
LYING AREAS ALONG CREEKS AND STREAMS ARE LIKELY TO EXPERIENCE
FLOODING AS RUNOFF FROM THIS RAIN...TOGETHER WITH MELTING ICE AND
SNOW...CAUSES WATER LEVELS TO RISE OVERNIGHT.  FLOODING IS LIKELY TO
PERSIST FOR A WHILE TOMORROW MORNING EVEN AFTER THE HEAVIEST RAIN
COMES TO AN END.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS MORE DIFFICULT TO SEE
WATER ON THE ROAD OR JUDGE HOW DEEP IT IS.  DO NOT DRIVE INTO AREAS
WHERE WATER COVERS THE ROAD.
LAT...LON 4249 8862 4136 8861 4135 8917 4159 8918
4159 8964 4193 8964 4194 8969 4219 8970
4221 8941 4250 8940
$$
LENNING

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

HAZARDOUS WEATHER OUTLOOK
Issue Date: 417 PM CST THU DEC 24 2009
Expiration: 400 PM CST FRI DEC 25 2009

/457 PM EST THU DEC 24 2009/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TONIGHT.
A STEADY RAIN WILL BE FALLING MOST OF THE NIGHT. THERE WILL BE
PERIODS OF MODERATE RAIN...AND SOME HEAVY RAIN IS POSSIBLE.
WIDESPREAD RAINFALL OF 1 TO 1.5 INCHES OVERNIGHT WILL COMBINE WITH
MELTING SNOW AND ICE TO CREATE SIGNIFICANT AMOUNTS OF WATER
RUNOFF. THIS WILL RESULT IN SIGNIFICANT RISES ON AREA RIVERS AND
STREAMS...WITH FLOODING POSSIBLE. FLOODING OF LOW LYING...FLOOD
PRONE AREAS IS LIKELY TO OCCUR.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
HIGH RIVER AND STREAM LEVELS...AS WELL AS ANY FLOODING THAT MAY
OCCUR FROM THE RAINFALL AND SNOW MELT WILL LIKELY PERSIST INTO
THE WEEKEND.
PRECIPITATION IS EXPECTED TO CHANGE TO SNOW SHOWERS DURING THE
DAY FRIDAY. OFF AND ON SNOW SHOWERS WILL PERSIST THROUGH LATE
SUNDAY. MINOR ACCUMULATIONS MAY OCCUR...WITH A TOTAL OF 1 TO 3
INCHES OF SNOW FALLING OVER THE FRIDAY THROUGH SUNDAY PERIOD.
SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY TONIGHT...HOWEVER
SPOTTERS ARE ENCOURAGED TO REPORT ANY MEASUREMENTS OF SIGNIFICANT
RAINFALL AS WELL AS ANY OBSERVED FLOODING TO THE CHICAGO OFFICE
OF THE NATIONAL WEATHER SERVICE.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
$$