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BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
203 PM CDT TUE SEP 7 2021

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KENDALL COUNTY IN NORTHEASTERN ILLINOIS...
  NORTHERN LA SALLE COUNTY IN NORTH CENTRAL ILLINOIS...
  NORTHERN GRUNDY COUNTY IN NORTHEASTERN ILLINOIS...

* UNTIL 315 PM CDT.

* AT 203 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR SHABBONA TO NEAR SUBLETTE, MOVING SOUTHEAST AT
  35 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...TRAINED WEATHER SPOTTERS.

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS, SIDING, AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  AURORA, JOLIET, PLAINFIELD, OSWEGO, OTTAWA, YORKVILLE, MORRIS,
  CHANNAHON, MINOOKA, PLANO, SANDWICH, MENDOTA, SHERIDAN, MONTGOMERY,
  BOULDER HILL, LAKE HOLIDAY, SOMONAUK, EARLVILLE, SERENA AND NEWARK.

INCLUDING THE FOLLOWING INTERSTATES...
 I-39 BETWEEN MILE MARKERS 67 AND 77.
 I-80 BETWEEN MILE MARKERS 91 AND 122.

THIS INCLUDES...  GEBHARD WOODS STATE PARK, GRUNDY COUNTY SPEEDWAY
AND FAIRGROUNDS, TRI-COUNTY FAIRGROUNDS, AND WILLIAM G STRATTON STATE
PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH