415  
WUUS53 KLSX 180021  
SVRLSX  
ILC001-009-149-MOC127-137-163-173-180115-  
/O.NEW.KLSX.SV.W.0067.260418T0021Z-260418T0115Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE ST LOUIS MO  
721 PM CDT FRI APR 17 2026  
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...  
BROWN COUNTY IN WEST CENTRAL ILLINOIS...  
PIKE COUNTY IN WEST CENTRAL ILLINOIS...  
EASTERN MARION COUNTY IN NORTHEASTERN MISSOURI...  
NORTHEASTERN MONROE COUNTY IN NORTHEASTERN MISSOURI...  
NORTHWESTERN PIKE COUNTY IN NORTHEASTERN MISSOURI...  
RALLS COUNTY IN NORTHEASTERN MISSOURI...  
 
* UNTIL 815 PM CDT.  
 
* AT 721 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM  
14 MILES NORTH OF MOUNT STERLING TO NEAR MONROE CITY, OR ALONG A  
LINE FROM 27 MILES NORTHEAST OF QUINCY REGIONAL AIRPORT TO NEAR  
MONROE CITY, MOVING EAST AT 45 MPH.  
 
HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE  
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES,  
ROOFS, AND OUTBUILDINGS.  
 
* LOCATIONS IMPACTED INCLUDE...  
QUINCY, PALMYRA, MONROE CITY, RENSSELAER, HANNIBAL, PAYSON, FALL  
CREEK, SPAULDING, CENTER, MOUNT STERLING, BUCKHORN, NEW LONDON,  
BEVERLY, FRANKFORD, BARRY, GRIGGSVILLE, PITTSFIELD, ATLAS,  
LOUISIANA AND PIKE.  
 
THIS INCLUDES THE FOLLOWING STATE PARKS...  
MARK TWAIN LAKE RECREATIONAL AREA AND SILOAM SPRINGS STATE PARK.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
INTERSTATE 72 BETWEEN EXITS 4 AND 35. INTERSTATE 172 BETWEEN EXITS 2  
AND 10.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
ANYONE OUTDOORS SHOULD MOVE TO SHELTER INSIDE A WELL-BUILT STRUCTURE  
AND STAY AWAY FROM WINDOWS. THESE STORMS ARE CAPABLE OF PRODUCING  
WIDESPREAD DAMAGING WINDS AND LARGE HAIL.  
 
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 FRIDAY FOR  
PORTIONS OF WEST CENTRAL ILLINOIS AND NORTHEAST MISSOURI.  
 
 
 
LAT...LON 3952 9197 3993 9142 3989 9092 4010 9091  
4010 9070 4009 9071 4008 9067 4005 9067  
4002 9063 4003 9061 4002 9062 4000 9060  
3998 9061 3998 9051 3992 9054 3988 9058  
3983 9057 3979 9060 3970 9065 3940 9093  
TIME...MOT...LOC 0021Z 272DEG 36KT 4018 9080 4008 9095 3990 9124 3988  
9129 3987 9130 3984 9137 3959 9177  
 
TORNADO...POSSIBLE  
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...70 MPH  
 
 
 
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