900  
WUUS53 KLSX 180242  
SVRLSX  
ILC013-MOC113-183-219-180330-  
/O.NEW.KLSX.SV.W.0072.260418T0242Z-260418T0330Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE ST LOUIS MO  
942 PM CDT FRI APR 17 2026  
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN CALHOUN COUNTY IN SOUTHWESTERN ILLINOIS...  
SOUTHERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...  
SAINT CHARLES COUNTY IN EAST CENTRAL MISSOURI...  
EASTERN WARREN COUNTY IN EAST CENTRAL MISSOURI...  
 
* UNTIL 1030 PM CDT.  
 
* AT 942 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM  
OVER HAWK POINT TO OVER AUGUSTA, OR ALONG A LINE FROM 11 MILES WEST  
OF TROY TO NEAR WASHINGTON, MOVING NORTHEAST AT 45 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* THIS SEVERE THUNDERSTORM WILL BE NEAR...  
WRIGHT CITY, HAWK POINT, INNSBROOK, AUGUSTA, DUTZOW, WARRENTON,  
TRUESDALE AND MARTHASVILLE AROUND 945 PM CDT.  
NEW MELLE AND WENTZVILLE AROUND 950 PM CDT.  
TROY, DEFIANCE AND MOSCOW MILLS AROUND 955 PM CDT.  
 
OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE  
FORISTELL, CAVE, MATSON, FLINT HILL, OLD MONROE, FOLEY, BEECHVILLE,  
BRUSSELS, MEPPEN AND KAMPVILLE.  
 
THIS INCLUDES THE FOLLOWING STATE PARKS...  
CUIVRE RIVER STATE PARK, FIRST MISSOURI STATE CAPITOL HISTORIC SITE  
AND PERE MARQUETTE STATE PARK.  
 
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 199 AND 229.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE AND STAY AWAY FROM  
WINDOWS. THESE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS.  
 
TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. SEEK SHELTER  
IMMEDIATELY IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF A WELL-BUILT  
STRUCTURE.  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR PORTIONS OF  
SOUTHWEST ILLINOIS AND EAST CENTRAL MISSOURI.  
 

 
 
LAT...LON 3900 9117 3914 9061 3906 9058 3905 9059  
3899 9057 3896 9052 3897 9048 3896 9041  
3883 9036 3882 9045 3876 9049 3873 9053  
3869 9054 3869 9066 3865 9071 3864 9074  
3859 9078 3854 9093 3856 9100 3871 9111  
TIME...MOT...LOC 0242Z 247DEG 38KT 3900 9118 3874 9103 3855 9094  
 
TORNADO...POSSIBLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...0.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
19  
 
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