867
WGUS53 KLOT 122005
FFWLOT
ILC031-197-122300-
/O.NEW.KLOT.FF.W.0011.250812T2005Z-250812T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
305 PM CDT TUE AUG 12 2025
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN COOK COUNTY IN NORTHEASTERN ILLINOIS...
CENTRAL WILL COUNTY IN NORTHEASTERN ILLINOIS...
* UNTIL 600 PM CDT.
* AT 305 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAINFALL WITH RATES UP TO 2-3 INCHES
PER HOUR. THIS HEAVY RAINFALL IS CURRENTLY MOVING INTO AN AREA
THAT HAD RECEIVED OVER 1 INCH OF RAINFALL DUE TO EARLIER
THUNDERSTORMS. UP TO 2 INCHES OF RAIN HAVE FALLEN. FLASH FLOODING
IS EXPECTED TO BEGIN SHORTLY AFTER THE ONSET OF HEAVY RAINFALL.
HAZARD...FLASH FLOODING.
SOURCE...RADAR AND AUTOMATED GAUGES.
IMPACT...RAPID-ONSET FLOODING OF CREEKS, STREAMS, DRAINAGE
DITCHES, STREETS, UNDERPASSES, LOW-LYING AREAS, AND
OTHER POOR DRAINAGE AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CHICAGO, HAMMOND, ORLAND PARK, TINLEY PARK, OAK LAWN, CALUMET
CITY, CHICAGO HEIGHTS, ROSELAND, ENGLEWOOD, SOUTH SHORE, LANSING,
OAK FOREST, HARVEY, NEW LENOX, HOMER GLEN, BLUE ISLAND, MUNSTER,
DOLTON, PARK FOREST AND HOMEWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS RAPID-ONSET FLOODING IS IMMINENT OR MAY
ALREADY BE OCCURRING. PERSONS ALONG CREEKS, DRAINAGE DITCHES, AND
OTHER WATERWAYS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE
AND PROPERTY.
LAT...LON 4181 8757 4180 8756 4179 8756 4179 8755
4177 8755 4177 8754 4175 8752 4171 8752
4160 8752 4147 8753 4147 8796 4155 8796
4164 8791
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR
WSL
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