Severe thunderstorm warning issued for portions of Kane, Lake and McHenry counties; valid until 10:45 am

Weather

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE
946 AM CDT WED AUG 11 2021

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAKE COUNTY IN NORTHEASTERN ILLINOIS...
  NORTHERN KANE COUNTY IN NORTHEASTERN ILLINOIS...
  MCHENRY COUNTY IN NORTHEASTERN ILLINOIS...

* UNTIL 1045 AM CDT.

* AT 946 AM CDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR BELVIDERE,
  MOVING EAST AT 65 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...TRAINED SPOTTERS. 

  IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  ELGIN, WAUKEGAN, ARLINGTON HEIGHTS, PALATINE, BUFFALO GROVE,
  BARTLETT, CRYSTAL LAKE, CARPENTERSVILLE, WHEELING, NORTHBROOK,
  NORTH CHICAGO, GURNEE, MUNDELEIN, ALGONQUIN, HIGHLAND PARK, LAKE IN
  THE HILLS, ROUND LAKE BEACH, MCHENRY, VERNON HILLS AND WOODSTOCK.

INCLUDING THE FOLLOWING INTERSTATES...
 I-90 BETWEEN MILE MARKERS 32 AND 56.
 I-94 BETWEEN MILE MARKERS 1 AND 26.
 I-294 BETWEEN MILE MARKERS 1 AND 26.

THIS INCLUDES...  CHAIN O LAKES STATE PARK, COLLEGE OF LAKE COUNTY,
ELGIN COMMUNITY COLLEGE, GREAT LAKES NAVAL TRAINING CENTER, IL BEACH
STATE PARK, LAKE COUNTY IL FAIRGROUNDS, LAKE FOREST COLLEGE, MCHENRY
COUNTY COLLEGE, MCHENRY COUNTY FAIRGROUNDS, MORAINE HILLS STATE PARK,
RAVINIA MUSIC FESTIVAL, AND SIX FLAGS GREAT AMERICA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

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