710
WGUS83 KLOT 170621
FLSLOT
FLOOD ADVISORY
NATIONAL WEATHER SERVICE CHICAGO IL
121 AM CDT SUN AUG 17 2025
ILC031-INC089-127-170915-
/O.NEW.KLOT.FA.Y.0067.250817T0621Z-250817T0915Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COOK IL-LAKE IN IN-PORTER IN-
121 AM CDT SUN AUG 17 2025
..FLOOD ADVISORY IN EFFECT UNTIL 415 AM CDT EARLY THIS MORNING
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...PORTIONS OF NORTHEAST ILLINOIS, INCLUDING THE FOLLOWING
COUNTY, COOK AND NORTHWEST INDIANA, INCLUDING THE FOLLOWING
COUNTIES, LAKE IN AND PORTER.
* WHEN...UNTIL 415 AM CDT.
* IMPACTS...FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS,
INCLUDING FLOODED UNDERPASSES, ROADS, AND STREETS. CREEKS AND
STREAMS MAY RISE OUT OF THEIR BANKS.
* ADDITIONAL DETAILS...
- AT 119 AM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS
PRODUCING TORRENTIAL RAINFALL. UP TO 1.5 INCHES OF RAIN HAVE
FALLEN ACCORDING TO RADAR ESTIMATES AND GAUGE OBSERVATIONS.
- ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE EXPECTED OVER
PORTIONS OF THE ADVISORY AREA. RUNOFF FROM THE RAIN THAT HAS
ALREADY FALLEN AND ADDITIONAL RAINFALL WILL RESULT IN
FLOODING.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SOUTH CHICAGO, HAMMOND, GARY, ORLAND PARK, TINLEY PARK, OAK
LAWN, CALUMET CITY, PORTAGE, MERRILLVILLE, VALPARAISO,
CHICAGO HEIGHTS, ROSELAND, EAST CHICAGO, SCHERERVILLE,
HOBART, LANSING, OAK FOREST, CROWN POINT, HARVEY AND HOMER
GLEN.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
LAT...LON 4171 8749 4169 8746 4169 8741 4168 8739
4166 8740 4165 8737 4163 8728 4166 8711
4172 8693 4141 8693 4145 8753 4147 8753
4147 8779 4156 8779 4156 8791 4174 8792
4169 8765 4170 8753
RC
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