THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN CENTRAL COOK COUNTY IN NORTHEAST ILLINOIS...
WILL COUNTY IN NORTHEAST ILLINOIS...

* UNTIL 1030 PM CDT

* AT 931 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DESTRUCTIVE HAIL UP
TO BASEBALL SIZE...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS
STORM WAS LOCATED NEAR DOUGLAS PARK...OR NEAR CHICAGO...AND MOVING
SOUTH AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
RIVERSIDE...STICKNEY...LYONS...MIDWAY AIRPORT...SUMMIT...CHATHAM...
JUSTICE...OAK LAWN...WILLOW SPRINGS...WORTH...ALSIP...BLUE
ISLAND...DOLTON...POSEN...MIDLOTHIAN...ORLAND PARK...GLENWOOD...
TINLEY PARK...FLOSSMOOR AND CHICAGO HEIGHTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING
SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.