447  
WUUS53 KLOT 180129  
SVRLOT  
ILC089-111-180200-  
/O.NEW.KLOT.SV.W.0096.260418T0129Z-260418T0200Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
829 PM CDT FRI APR 17 2026  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHERN KANE COUNTY IN NORTHEASTERN ILLINOIS...  
MCHENRY COUNTY IN NORTHEASTERN ILLINOIS...  
 
* UNTIL 900 PM CDT.  
 
* AT 829 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED OVER LAKEWOOD, OR  
OVER HUNTLEY, MOVING NORTHEAST AT 75 MPH.  
 
HAZARD...70 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO  
MOBILE HOMES, ROOFS, AND OUTBUILDINGS.  
 
* LOCATIONS IMPACTED INCLUDE...  
ELGIN, CRYSTAL LAKE, CARPENTERSVILLE, ALGONQUIN, LAKE IN THE HILLS,  
MCHENRY, WOODSTOCK, HUNTLEY, FOX LAKE, ISLAND LAKE, CARY, PINGREE  
GROVE, GILBERTS, WEST DUNDEE, HAMPSHIRE, JOHNSBURG, LAKEMOOR, TWIN  
LAKES, SPRING GROVE, FOX RIVER GROVE, BARRINGTON HILLS, WONDER  
LAKE, LAKEWOOD, PISTAKEE HIGHLANDS, AND SLEEPY HOLLOW.  
 
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.  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHEASTERN  
ILLINOIS. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CDT  
FOR NORTHEASTERN ILLINOIS.  
 
 
 
LAT...LON 4216 8820 4215 8824 4209 8824 4202 8856  
4250 8854 4250 8820  
TIME...MOT...LOC 0129Z 244DEG 65KT 4219 8838  
 
TORNADO...POSSIBLE  
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...70 MPH  
 
 
 
YACK  
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