776  
FLUS43 KLSX 201018  
HWOLSX  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE ST LOUIS MO  
518 AM CDT MON MAY 20 2013  
 
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-  
034>036-041-042-047>052-059>065-072>075-084-085-099-211200-  
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-  
MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL-  
CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO-  
LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO-  
AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-  
LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-  
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-  
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-  
MADISON MO-REYNOLDS MO-  
518 AM CDT MON MAY 20 2013  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND  
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND BECOME  
SEVERE...INCREASING IN COVERAGE THROUGHOUT THE EVENING. THE SEVERE  
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING TORNADOES...LARGE  
HAIL AND DAMAGING WINDS. SOME AREAS COULD ALSO EXPERIENCE LOCALLY  
HEAVY RAINFALL.  
   
DAYS TWO THROUGH SEVEN
 
TUESDAY THROUGH SUNDAY  
 
THUNDERSTORMS ARE LIKELY AGAIN TUESDAY AND TUESDAY NIGHT. SOME OF  
THESE THUNDERSTORMS MAY ALSO BECOME SEVERE.  
 
THERE IS A CHANCE OF THUNDERSTORMS ON WEDNESDAY ACROSS MUCH OF THE  
AREA...AND YET ANOTHER CHANCE OF THUNDERSTORMS ON SATURDAY AND  
SUNDAY ACROSS MUCH OF THE AREA.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTERS ARE ENCOURAGED TO RELAY SEVERE WEATHER REPORTS TO THE  
NATIONAL WEATHER SERVICE IN ST. LOUIS.  
 

 
 
TILLY  
 
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