Severe Weather Alert from the National Weather Service
...TORNADO WARNING NATIONAL WEATHER SERVICE CHICAGO IL 826 PM CDT TUE APR 20 2004
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A * TORNADO WARNING FOR... COOK COUNTY IN NORTHEAST ILLINOIS WILL COUNTY IN NORTHEAST ILLINOIS LAKE COUNTY IN NORTHWEST INDIANA
* UNTIL 915 PM CDT
* AT 826 PM CDT... DOPPLER RADAR INDICATED STRONG ROTATION IN A SEVERE THUNDERSTORM IN LAKE COUNTY NEAR STAINT JOHN... MOVING NORTHEAST AT 30 MPH.
* AT 826 PM CDT... DOPPLER RADAR INDICATED STRONG ROTATION IN A SEVERE THUNDERSTORM IN WILL COUNTY 4 MILES NORTHEAST OF SYMERTON... MOVING NORTHEAST AT 30 MPH.
* AT 826 PM CDT... DOPPLER RADAR INDICATED STRONG ROTATION IN A SEVERE THUNDERSTORM IN SOUTHERN COOK COUNTY NEAR OAK LAWN... MOVING NORTHEAST AT 30 MPH.
ABANDON AUTOMOBILES AND MOBILE HOMES FOR STURDY SHELTER. IF NO SHELTER IS AVAILABLE... LIE FLAT IN A DITCH OR LOW SPOT. DO NOT GO UNDER BRIDGES... THEY ACT LIKE A DANGEROUS WIND TUNNEL. IN HIGH RISE BUILDINGS... MOVE TO INTERIOR CLOSETS... HALLWAYS... BATHROOMS OR STAIRWAYS. STAY AWAY FROM WINDOWS.