569  
WUUS53 KLOT 211917  
SVRLOT  
ILC007-037-111-212000-  
/O.NEW.KLOT.SV.W.0257.260821T1917Z-260821T2000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
217 PM CDT FRI AUG 21 2026  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHERN DE KALB COUNTY IN NORTH CENTRAL ILLINOIS...  
SOUTHWESTERN MCHENRY COUNTY IN NORTHEASTERN ILLINOIS...  
SOUTHERN BOONE COUNTY IN NORTH CENTRAL ILLINOIS...  
 
* UNTIL 300 PM CDT.  
 
* AT 217 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED OVER KIRKLAND, OR  
7 MILES WEST OF GENOA, MOVING SOUTHEAST AT 25 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...  
DEKALB, SYCAMORE, GENOA, CORTLAND, KIRKLAND, MAPLE PARK, KINGSTON,  
AND FAIRDALE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4222 8857 4215 8857 4215 8859 4207 8859  
4206 8860 4190 8860 4204 8894 4222 8894  
4223 8870  
TIME...MOT...LOC 1917Z 302DEG 23KT 4211 8883  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
RC  
 
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