THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* TORNADO WARNING FOR...
EASTERN BOONE COUNTY...
NORTHEASTERN DE KALB COUNTY...
MCHENRY COUNTY...

* UNTIL 745 PM CDT

* AT 650 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING RAIN-WRAPPED
TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE.
THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7
MILES NORTHWEST OF ROCKTON TO 6 MILES SOUTHWEST OF ROCKTON TO
ROCKFORD TO ROCKFORD AIRPORT TO STILLMAN VALLEY...AND MOVING EAST
AT 60 MPH.

* THESE STORMS WILL BE NEAR...
CAPRON AROUND 710 PM.
MARENGO AND HARVARD AROUND 715 PM.
WOODSTOCK AROUND 720 PM.
WONDER LAKE...HEBRON AND BULL VALLEY AROUND 725 PM.
RICHMOND...MCHENRY...MCCULLOM LAKE AND LAKEWOOD AROUND 730 PM.

OTHER LOCATIONS IMPACTED BY THESE TORNADIC THUNDERSTORMS INCLUDE
UNION AND CRYSTAL LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.