WGUS53 KLOT 190503

FFWLOT

ILC031-197-190630-

/O.NEW.KLOT.FF.W.0033.250819T0503Z-250819T0630Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Chicago IL

1203 AM CDT Tue Aug 19 2025



The National Weather Service in Chicago has issued a



* Flash Flood Warning for...

  Southeastern Cook County in northeastern Illinois...

  Northwestern Will County in northeastern Illinois...



* Until 130 AM CDT.



* At 1203 AM CDT, Doppler radar indicated thunderstorms producing 

  heavy rain across the warned area. Flash flooding is ongoing or 

  expected to begin shortly.



  HAZARD...Flash flooding.



  SOURCE...Radar and automated rain gauges. Observed rain rates

           are in excess of 2 inches per hour.



  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, Joliet, Hammond, Orland Park, Tinley Park, Calumet City, 

  Chicago Heights, Roseland, Lansing, Oak Forest, Harvey, Lockport, 

  New Lenox, Homer Glen, Blue Island, Dolton, Homewood, Alsip, 

  Matteson and Mokena.



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 8752 4154 8753 4148 8810 4154 8811

      4164 8795 4171 8752



FLASH FLOOD...RADAR INDICATED



$$



Borchardt