278  
WWUS53 KLOT 180051  
SVSLOT  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
751 PM CDT FRI APR 17 2026  
 
ILC111-180115-  
/O.CON.KLOT.TO.W.0018.000000T0000Z-260418T0115Z/  
MCHENRY IL-  
751 PM CDT FRI APR 17 2026  
 
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR NORTHERN  
MCHENRY COUNTY...  
 
AT 751 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO  
WAS LOCATED NEAR HARVARD, MOVING EAST AT 45 MPH.  
 
HAZARD...TORNADO.  
 
SOURCE...RADAR INDICATED ROTATION.  
 
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT  
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE  
TO ROOFS, WINDOWS, AND VEHICLES WILL OCCUR. TREE DAMAGE IS  
LIKELY.  
 
THIS DANGEROUS STORM WILL BE NEAR...  
WONDER LAKE AND HEBRON AROUND 755 PM CDT.  
 
OTHER LOCATIONS IN THE PATH OF THIS TORNADIC THUNDERSTORM INCLUDE  
MCHENRY, JOHNSBURG, SPRING GROVE, RICHMOND, FOX LAKE, PISTAKEE  
HIGHLANDS AND MCCULLOM LAKE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST  
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS, IN A  
MOBILE HOME, OR IN A VEHICLE, MOVE TO THE CLOSEST SUBSTANTIAL SHELTER  
AND PROTECT YOURSELF FROM FLYING DEBRIS.  
 

 
 
LAT...LON 4235 8862 4249 8866 4250 8821 4237 8820  
TIME...MOT...LOC 0051Z 264DEG 38KT 4241 8851  
 
TORNADO...RADAR INDICATED  
MAX HAIL SIZE...0.00 IN  
 

 
 
YACK  
 
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