768  
WGUS53 KLSX 121647  
FFWLSX  
ILC027-157-163-189-MOC186-122245-  
/O.NEW.KLSX.FF.W.0062.200812T1647Z-200812T2245Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE ST LOUIS MO  
1147 AM CDT WED AUG 12 2020  
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...  
WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS...  
RANDOLPH COUNTY IN SOUTHWESTERN ILLINOIS...  
EASTERN ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...  
NORTHEASTERN STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...  
 
* UNTIL 545 PM CDT.  
 
* AT 1145 AM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE  
ALREADY FALLEN ACROSS PORTIONS OF WESTERN CLINTON AND WASHINGTON  
COUNTIES. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.  
 
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...FLOODING OF SMALL CREEKS AND STREAMS, URBAN AREAS,  
HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS OTHER  
DRAINAGE AND LOW LYING AREAS.  
 
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
CHESTER, BREESE, STE. GENEVIEVE, SPARTA, NEW BADEN, CARLYLE,  
NASHVILLE, BREMEN, CENTRALIA, TRENTON, STEELEVILLE, MARISSA,  
AVISTON, OKAWVILLE, GERMANTOWN, ALBERS, WAMAC, BECKEMEYER, PERCY  
AND COULTERVILLE.  
 
THIS ALSO INCLUDES FELIX VALLE HOUSE STATE PARK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 

 
 
LAT...LON 3821 8915 3822 8959 3795 8960 3781 8968  
3785 8979 3791 8984 3787 8990 3787 8995  
3809 9022 3809 8987 3845 8985 3844 8974  
3865 8974 3866 8914  
 
FLASH FLOOD...RADAR INDICATED  
 

 
 
MRM  
 
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