708  
WUUS53 KLSX 140253  
SVRLSX  
ILC119-133-163-MOC071-099-183-186-187-189-219-221-510-140400-  
/O.NEW.KLSX.SV.W.0015.180414T0253Z-180414T0400Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE ST LOUIS MO  
953 PM CDT FRI APR 13 2018  
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
MONROE COUNTY IN SOUTHWESTERN ILLINOIS...  
SOUTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...  
NORTHWESTERN ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...  
ST. LOUIS CITY IN EAST CENTRAL MISSOURI...  
ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...  
JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...  
NORTHWESTERN STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...  
EASTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...  
FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...  
ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...  
SOUTHEASTERN WARREN COUNTY IN EAST CENTRAL MISSOURI...  
NORTHWESTERN ST. FRANCOIS COUNTY IN SOUTHEASTERN MISSOURI...  
 
* UNTIL 1100 PM CDT.  
 
* AT 953 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR WASHINGTON TO NEAR LONEDELL TO OLD MINES TO  
NEAR BELLEVIEW, MOVING NORTHEAST AT 50 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
ST. LOUIS, O'FALLON, ST. CHARLES, ST. PETERS, FLORISSANT,  
CHESTERFIELD, BELLEVILLE, WILDWOOD, UNIVERSITY CITY, BALLWIN,  
GRANITE CITY, WENTZVILLE, KIRKWOOD, MARYLAND HEIGHTS, EAST ST.  
LOUIS, HAZELWOOD, WEBSTER GROVES, FERGUSON, ARNOLD AND MANCHESTER.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 239 AND 277.  
INTERSTATE 55 IN MISSOURI BETWEEN EXITS 162 AND 191.  
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 208 AND 231.  
 
THIS ALSO INCLUDES BABLER MEMORIAL STATE PARK, WASHINGTON STATE  
PARK, ST. FRANCOIS STATE PARK, SCOTT JOPLIN HISTORIC SITE, ROUTE 66  
STATE PARK, CASTLEWOOD STATE PARK, MASTODON HISTORIC SITE, SANDY  
CREEK COVERED BRIDGE HISTORIC SITE, GOV. DUNKLIN'S GRAVE HISTORIC  
SITE, FIRST MISSOURI STATE CAPITOL HISTORIC SITE, AND ROBERTSVILLE  
STATE PARK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY  
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE  
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.  
 
INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND WIDESPREAD  
SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT IMMEDIATELY  
LIKELY, IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF  
A BUILDING. THESE STORMS MAY CAUSE SERIOUS INJURY AND SIGNIFICANT  
PROPERTY DAMAGE.  
 

 
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR SOUTHWESTERN  
ILLINOIS...AND SOUTHEASTERN AND EAST CENTRAL MISSOURI.  
 
LAT...LON 3795 9084 3827 9096 3858 9137 3877 9105  
3892 9073 3890 9064 3887 9058 3889 9053  
3882 9017 3853 9004 3821 9004 3774 9065  
3773 9086  
TIME...MOT...LOC 0253Z 229DEG 44KT 3855 9111 3835 9086 3803 9074 3775  
9074  
 
TORNADO...POSSIBLE  
HAIL...<.75IN  
WIND...60MPH  
 

 
 
CVKING  
 
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