Y IL-BOONE IL-
941 AM CDT SAT MAY 26 2012

...URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR
CENTRAL BOONE AND NORTHERN MCHENRY COUNTIES UNTIL NOON CDT...

AT 925 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE THUNDERSTORMS THAT PRODUCED THE HEAVY RAINFALL ACROSS THE
ADVISORY AREA EARLIER THIS MORNING HAVE PUSHED EAST OF THE
AREA...HOWEVER ADDITIONAL SHOWERS AND THUNDERSTORMS HAVE REDEVELOPED
ACROSS THE AREA. HOURLY RAINFALL RATES FROM THE CURRENT
THUNDERSTORMS HAS BEEN AROUND 1 INCH. RUNOFF FROM
EARLIER RAINFALL MAY CONTINUE...AND MAY BECOME ENHANCED WITH THE
ADDITIONAL RAINFALL THAT IS OCCURRING AT THIS TIME. SHOWERS AND
THUNDERSTORMS WILL STEADILY PUSH EAST ACROSS THE WARNED AREA...AND
EVENTUALLY COME TO AN END BY 11 AM CDT THIS MORNING.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...

BELVIDERE... HARVARD... WONDER LAKE...
WOODSTOCK... BULL VALLEY... CAPRON...
HEBRON... MCCULLOM LAKE... POPLAR GROVE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4227 8830 4223 8894 4246 8894 4248 8828

CIAL WEATHER STATEMENT...

AT 958 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM NEAR PALATINE...MOVING EAST AT 30 MPH.

ONE HALF INCH DIAMETER HAIL...WINDS GREATER THAN 40 MPH...FREQUENT
CLOUD TO GROUND LIGHTNING...BRIEF MODERATE DOWNPOURS...ARE POSSIBLE
WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PALATINE... INVERNESS... KILDEER...
ROLLING MEADOWS... BARRINGTON... LAKE ZURICH...
FOREST LAKE... HOFFMAN ESTATES... HAWTHORN WOODS...

THE FOLLOWING LOCATIONS MAY ALSO BE IMPACTED...
HARPER COLLEGE...LAKE FOREST COLLEGE...NORTHWESTERN UNIVERSITY...
OAKTON COMMUNITY COLLEGE AND RAVINIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. HEAVY
RAINFALL COULD LEAD TO STANDING WATER ON ROADWAYS AND POOR
VISIBILITY. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 4230 8782 4227 8782 4222 8780 4211 8772
4208 8767 4206 8766 4202 8766 4202 8773
4205 8822 4215 8823 4216 8820 4223 8820
TIME...MOT...LOC 1459Z 265DEG 27KT 4213 8806

CIAL WEATHER STATEMENT...

AT 958 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM NEAR PALATINE...MOVING EAST AT 30 MPH.

ONE HALF INCH DIAMETER HAIL...WINDS GREATER THAN 40 MPH...FREQUENT
CLOUD TO GROUND LIGHTNING...BRIEF MODERATE DOWNPOURS...ARE POSSIBLE
WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PALATINE... INVERNESS... KILDEER...
ROLLING MEADOWS... BARRINGTON... LAKE ZURICH...
FOREST LAKE... HOFFMAN ESTATES... HAWTHORN WOODS...

THE FOLLOWING LOCATIONS MAY ALSO BE IMPACTED...
HARPER COLLEGE...LAKE FOREST COLLEGE...NORTHWESTERN UNIVERSITY...
OAKTON COMMUNITY COLLEGE AND RAVINIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. HEAVY
RAINFALL COULD LEAD TO STANDING WATER ON ROADWAYS AND POOR
VISIBILITY. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 4230 8782 4227 8782 4222 8780 4211 8772
4208 8767 4206 8766 4202 8766 4202 8773
4205 8822 4215 8823 4216 8820 4223 8820
TIME...MOT...LOC 1459Z 265DEG 27KT 4213 8806