874
WGUS53 KLOT 190126
FFWLOT
ILC031-INC089-190430-
/O.NEW.KLOT.FF.W.0031.250819T0126Z-250819T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
826 PM CDT MON AUG 18 2025
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN COOK COUNTY IN NORTHEASTERN ILLINOIS...
NORTHWESTERN LAKE IN COUNTY IN NORTHWESTERN INDIANA...
* UNTIL 1130 PM CDT.
* AT 826 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
SLOW-MOVING THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED
AREA. UP TO 4 INCHES HAVE BEEN REPORTED THUS FAR NEAR WHITING.
ADDITIONAL THUNDERSTORMS WITH RAINFALL RATES OF 3 TO 4 INCHES PER
HOUR WILL MOVE INTO THE AREA OVER THE NEXT HOUR, WITH ADDITIONAL
RAINFALL AMOUNTS UP TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA.
WORSENING OF FLOOD SEVERITY IS IMMINENT.
HAZARD...SIGNIFICANT FLASH FLOODING.
SOURCE...RADAR AND AUTOMATED GAUGES.
IMPACT...RAPID-ONSET, SIGNIFICANT FLOODING OF CREEKS, STREAMS,
DRAINAGE DITCHES, LOW-LYING AREAS, AND POOR DRAINAGE
AREAS. WIDESPREAD STREET AND UNDERPASS FLOODING.
POSSIBLE FLOODING OF STRUCTURES. POSSIBLE FLOODING OF
HIGHWAYS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CHICAGO, HAMMOND, GARY, CALUMET CITY, EAST CHICAGO, LANSING,
MUNSTER, DOLTON, SOUTH HOLLAND, SOUTH DEERING, WHITING, EAST SIDE,
HEGEWISCH, RIVERDALE AND BURNHAM.
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 4170 8759 4171 8751 4171 8749 4170 8749
4169 8746 4169 8745 4167 8739 4166 8740
4165 8737 4164 8734 4157 8749 4156 8759
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...3-4 INCHES IN 1 HOUR
WSL
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page