540
WUUS53 KLOT 211957
SVRLOT
ILC037-089-212100-
/O.NEW.KLOT.SV.W.0258.260821T1957Z-260821T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
257 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...
WEST CENTRAL KANE COUNTY IN NORTHEASTERN ILLINOIS...
* UNTIL 400 PM CDT.
* AT 256 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED 5 MILES
NORTHWEST OF SYCAMORE, MOVING SOUTHEAST AT 20 MPH.
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR 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, CAMPTON HILLS, GENOA, ELBURN, CORTLAND, KIRKLAND,
MAPLE PARK, KINGSTON, LILY LAKE, KANEVILLE, AND VIRGIL.
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.
LAT...LON 4202 8888 4213 8886 4214 8875 4211 8865
4194 8841 4184 8851 4183 8872
TIME...MOT...LOC 1956Z 309DEG 18KT 4202 8874
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
RC
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