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948 

RWUS32 KMLI 110254

FFSMLI

IAZ040>042-051>054-063>068-076>078-087>089-ILZ001-002-007-009-

015>018-024>026-111100-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE QUAD CITIES IA IL

950 PM CDT TUE APR 10 2001



...FLASH FLOOD WATCH ISSUED FOR TONIGHT AND WEDNESDAY FOR EASTERN 

IOWA...ALL OF NORTHWEST ILLINOIS AND PORTIONS OF WEST CENTRAL 

ILLINOIS...



SOME CITIES INCLUDED IN THE WATCH ARE THE QUAD CITIES... 

INDEPENDENCE...MANCHESTER...DUBUQUE...FREEPORT...VINTON...CEDAR 

RAPIDS...ANAMOSA...MAQUOKETA...MT CARROLL...MARENGO...IOWA CITY 

...TIPTON...CLINTON...STERLING...SIGOURNEY...WASHINGTON...MUSCATINE 

...CAMBRIDGE...PRINCETON ILLINOIS...ALEDO...FAIRFIELD...MOUNT 

PLEASANT...BURLINGTON...OQUAWKA...AND MONMOUTH.



HEAVY RAIN PRODUCING THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG A 

WARM FRONTAL BOUNDARY EXENDING EAST TO WEST OVER NORTHERN MISSOURI 

AND CENTRAL ILLINOIS TONIGHT. THE FRONT WILL MOVE SLOWLY NORTHWARD 

TONIGHT...CAUSING THE THUNDERSTORMS TO BECOME MORE NUMEROUS AND 

WIDESPREAD ACROSS THIS REGION DURING THE NIGHT TIME HOURS. MUCH OF 

THE WATCH AREA HAS ALREADY BEEN AFFECTED BY SIGNIFICANT AMOUNTS OF 

RAIN FROM THUNDERSTORMS OVER THE PAST FEW DAYS...AND SOILS ARE 

SATURATED. MANY AREA CREEKS AND RIVERS ARE RUNNING HIGH AS 

WELL...AND WILL BE PRONE TO FLOODING IF SUBJECTED TO ADDITIONAL 

HEAVY RAINFALL. ADDITIONAL HEAVY RAIN PRODUCING THUNDERSTORMS ARE 

EXPECTED TO DEVELOP FOR WEDNESDAY...AND THE STRONG LOW PRESSURE 

SYSTEM ASSOCIATED WITH THE WARM FRONT SWEEPS ACROSS THE REGION. 

THESE ADDITIONAL THUNDERSTORMS WILL AGGRAVATE ANY ONGOING FLOODING 

SITUATIONS...OR CREATE NEW ONES.  RAINFALL TOTAL AMOUNTS MAY RANGE 

UP TO 1 TO 2 INCHES ACROSS THE WATCH AREA BY THE TIME THE 

THUNDERSTORMS END WEDNESDAY EVENING.



A FLASH FLOOD WATCH IS ISSUED WHEN SMALL STREAMS AND CREEKS ARE 

EXPECTED TO RISE QUICKLY TO NEAR OR ABOVE BANKFULL LEVELS. ALSO 

SATURATED AND FLOOD PRONE LOW LYING AREAS WILL HAVE TO BE 

MONITORED. REMEMBER, A WATCH MEANS THAT FLOODING IS POSSIBLE BUT 

NOT IMMINENT. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO 

RECOGNIZE THE DANGERS OF FLASH FLOODING.



PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF THE 

POSSIBILITY FOR HEAVY RAINFALL, AVOID LOW LYING AREAS, AND BE CAREFUL

WHEN APPROACHING HIGHWAY DIPS AND UNDERPASSES. DO NOT DRIVE INTO 

AREAS WHERE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING 

WATER SHOULD BE ABANDONED QUICKLY.



$$

LRE

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