THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED AN
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
NORTHEASTERN DUPAGE COUNTY IN NORTHEAST ILLINOIS...
NORTHEASTERN KANE COUNTY IN NORTHEAST ILLINOIS...
NORTHERN COOK COUNTY IN NORTHEAST ILLINOIS...
SOUTHERN LAKE COUNTY IN NORTHEAST ILLINOIS...
SOUTHERN MCHENRY COUNTY IN NORTHEAST ILLINOIS...
* UNTIL 930 PM CDT
* AT 517 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAINFALL ACROSS THE ADVISORY AREA. DOPPLER
RADAR ESTIMATED THAT 1.0 TO 1.5 INCHES OF RAIN HAD FALLEN IN THE
PAST HOUR OVER SOUTHERN MCHENRY COUNTY WITH THESE STORMS. THESE
STORMS WILL CONTINUE TO TRACK SOUTHEAST ACROSS FAR SOUTHWEST LAKE
COUNTY AND NORTHERN AND CENTRAL COOK COUNTY THROUGH 6 PM CDT...
AND MAY PRODUCE UP TO AN INCH OF NEW RAINFALL WITHIN A 30 TO 60
MINUTE PERIOD.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE MINOR FLOODING TO
OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER
CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE MINOR FLOODING
INCLUDE...ALGONQUIN...ARLINGTON HEIGHTS...BARRINGTON...BUFFALO
GROVE...CARPENTERSVILLE...CHICAGO...DEERFIELD...DES PLAINES...EAST
DUNDEE...EVANSTON...FRANKLIN PARK...GLENCOE...GLENVIEW...HARWOOD
HEIGHTS AND HIGHLAND PARK.
THE ADVISORY AREA IS ALONG THE SOUTHERN EDGE OF THE AREA WHICH
RECEIVED VERY HEAVY RAINFALL OF 2 TO 4 INCHES ON WEDNESDAY.
OTHER LOCATIONS AFFECTED...
HARPER COLLEGE...LINCOLN PARK ZOO...LOYOLA UNIVERSITY...MCHENRY
COUNTY COLLEGE...MCHENRY COUNTY FAIRGROUNDS...NORTHEASTERN ILLINOIS
UNIVERSITY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... VIADUCTS...UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4217 8776 4211 8772 4206 8766 4203 8766
4191 8762 4190 8760 4188 8761 4184 8760
4180 8757 4196 8800 4223 8870 4241 8870