207  
WUUS53 KLSX 102102  
SVRLSX  
ILC119-163-MOC189-510-102145-  
/O.NEW.KLSX.SV.W.0197.180810T2102Z-180810T2145Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE ST LOUIS MO  
402 PM CDT FRI AUG 10 2018  
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...  
NORTHWESTERN ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...  
ST. LOUIS CITY IN EAST CENTRAL MISSOURI...  
NORTHEASTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...  
 
* UNTIL 445 PM CDT.  
 
* AT 402 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED OVER JENNINGS,  
MOVING EAST AT 15 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
ST. LOUIS, FLORISSANT, BELLEVILLE, UNIVERSITY CITY, GRANITE CITY,  
EAST ST. LOUIS, HAZELWOOD, COLLINSVILLE, EDWARDSVILLE, WEBSTER  
GROVES, FERGUSON, CREVE COEUR, FAIRVIEW HEIGHTS, OVERLAND, CLAYTON,  
CAHOKIA, JENNINGS, ST. ANN, GLEN CARBON AND BRIDGETON.  
 
THIS INCLUDES INTERSTATE 64 IN ILLINOIS NEAR EXIT 9.  
 
THIS ALSO INCLUDES SCOTT JOPLIN HISTORIC SITE AND HORSESHOE LAKE  
STATE PARK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND  
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.  
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER, IF YOU CAN  
HEAR THUNDER, YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 3862 9043 3881 9038 3880 8996 3847 9005  
TIME...MOT...LOC 2102Z 275DEG 12KT 3872 9027  
 
HAIL...1.00IN  
WIND...60MPH  
 

 
 
GKS  
 
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