063  
WUUS53 KDVN 210117  
SVRDVN  
ILC067-109-IAC111-210215-  
/O.NEW.KDVN.SV.W.0230.260721T0117Z-260721T0215Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL  
817 PM CDT MON JUL 20 2026  
 
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
HANCOCK COUNTY IN WEST CENTRAL ILLINOIS...  
MCDONOUGH COUNTY IN WEST CENTRAL ILLINOIS...  
SOUTH CENTRAL LEE COUNTY IN SOUTHEASTERN IOWA...  
 
* UNTIL 915 PM CDT.  
 
* AT 817 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR SCIOTA TO GALLAND, MOVING SOUTHEAST AT 30 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...TRAINED WEATHER SPOTTERS.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
MACOMB, FORT MADISON, KEOKUK, CARTHAGE, NAUVOO, HAMILTON, WARSAW,  
COLCHESTER, LA HARPE, DALLAS CITY, MONTROSE, BLANDINSVILLE,  
AUGUSTA, BOWEN, INDUSTRY, GOOD HOPE, BARDOLPH, WEST POINT, FERRIS,  
AND TENNESSEE.  
 
THIS ALSO INCLUDES ARGYLE LAKE STATE PARK AND NAUVOO STATE PARK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
STURDY BUILDING.  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTHEASTERN  
IOWA.  
 

 
 
LAT...LON 4020 9148 4031 9148 4038 9142 4038 9148  
4060 9147 4064 9099 4063 9065 4047 9045  
4028 9045 4028 9091 4019 9091  
TIME...MOT...LOC 0117Z 314DEG 28KT 4058 9072 4050 9136  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
ERVIN  
 
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