Alert archive / Illinois / River Flood Warnings in 2007

River Flood Warning 35, NWS Chicago, IL

August 24, 2007Cook County, Illinois

NWS Chicago, IL issued this river flood warning at Aug 24, 2007, 2:29 AM CDT for Cook County, Illinois. It took effect at Aug 24, 2007, 7:00 AM CDT. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued: Aug 24, 2007, 2:29 AM CDT (07:29 UTC)
In effect from: Aug 24, 2007, 7:00 AM CDT
Expired: Aug 25, 2007, 8:12 PM CDT
In force: 37 hr
Issued by: NWS Chicago, IL
Flood severity: Minor

County Cook County, IL

The river

Written for the forecast point Thorn Creek at Thornton (THNI2).

Action stage: 7.5 ft
Minor stage: 9 ft
Moderate stage: 14 ft
Major stage: 15.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05536275, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this river flood warning went out at Aug 24, 12:45 AM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Aug 24, 12:45 AM CDT, 1 hour 44 minutes before

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Hazardous weather outlook, Aug 23, 7:45 PM CDT, 6 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
745 PM CDT THU AUG 23 2007

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
240900
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
745 PM CDT THU AUG 23 2007

THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH
CENTRAL AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THROUGH THIS
EVENING. THE MAIN THREATS WILL BE DAMAGING WINDS AND VERY HEAVY
RAINFALL.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO AFFECT MUCH OF NORTHERN
ILLINOIS AND NORTHWEST INDIANA TONIGHT WITH A POTENTIAL FOR STORMS
TO TRAIN ACROSS THE SAME LOCATIONS. MANY AREAS CREEKS AND STREAM ARE
OVERFLOWING THEIR BANKS...AND ADDITIONAL HEAVY RAIN WILL LIKELY
AGGRAVATE THE FLOODING PROBLEMS. THE GREATEST THREAT FOR HEAVY
RAIN TONIGHT WILL BE FOR AREAS GENEARLLY NORTH OF INTERSTATE 80
TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE ENTIRE
REGION ON FRIDAY.

ADDITIONAL PERIODS OF THUNDERSTORMS ARE EXPECTED FRIDAY INTO EARLY
SATURDAY MORNING. HEAVY RAINFALL WILL BE POSSIBLE DURING THIS
PERIOD ACROSS THE ENTIRE OUTLOOK AREA. THERE IS ALSO THE POTENTIAL
THAT STRONGER STORMS COULD PRODUCE DAMAGING WINDS.

THERE WILL BE A CHANCE OF THUNDERSTORMS WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED THIS EVENING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ740>745-766-232130-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
GARY INDIANA TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
LAKE MICHIGAN IL AND IN OPEN WATERS-
745 PM CDT THU AUG 22 2007

THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS
AND INDIANA WATERS OF LAKE MICHIGAN.

.DAY ONE...TONIGHT.

THUNDERSTORMS WILL CONTINUE TO AFFECT SOUTHERN LAKE MICHIGAN
TONIGHT. THERE IS A RISK THAT SOME OF THESE STORMS WILL PRODUCE WIND
GUSTS IN EXCESS OF 40 KNOTS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

ADDITIONAL PERIODS OF THUNDERSTORMS ARE EXPECTED FRIDAY INTO EARLY
SATURDAY MORNING. THE THREAT OF STRONG WINDS FROM STRONGER STORMS
WILL CONTINUE.

THERE WILL BE A CHANCE OF THUNDERSTORMS WEDNESDAY.

A SMALL CRAFT ADVISORY IS IN EFFECT FOR BOTH THE ILLINOIS AND
INDIANA NEARSHORE WATERS FOR HIGH WAVES FRIDAY AFTERNOON AND
EVENING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

In the hours before

Local storm report, Aug 23, 10:18 PM CDT, 4 hours 11 minutes before

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Local storm report, Aug 23, 11:23 PM CDT, 3 hours 6 minutes before

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Local storm report, Aug 24, 12:40 AM CDT, 1 hour 49 minutes before

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Local storm report, Aug 24, 1:00 AM CDT, 1 hour 29 minutes before

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Local storm report, Aug 24, 1:14 AM CDT, 1 hour 15 minutes before

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Local storm report, Aug 24, 1:43 AM CDT, 46 minutes before

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The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 23, 7:08 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle, Livingston	82 min
Aug 23, 7:18 PM CDT	Flash Flood Warning	LOT	Kankakee	4 hr
Aug 23, 7:33 PM CDT	Tornado Warning	LOT	Kankakee	57 min
Aug 23, 7:42 PM CDT	Severe Thunderstorm Warning	LOT	Grundy	30 min
Aug 23, 8:16 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee, Will	65 min
Aug 23, 8:24 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois	58 min
Aug 23, 9:14 PM CDT	River Flood Warning	LOT	LaSalle	5 days
Aug 23, 9:20 PM CDT	Flash Flood Warning	LOT	Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 6 more	7 hr
Aug 23, 10:45 PM CDT	River Flood Advisory	LOT	Grundy	62 hr
Aug 24, 2:46 AM CDT	River Flood Advisory	LOT	Cook	28 hr
Aug 24, 3:58 AM CDT	River Flood Warning	LOT	Kankakee	4 days
Aug 24, 10:49 AM CDT	River Flood Warning	LOT	Grundy	65 hr
Aug 24, 10:49 AM CDT	River Flood Warning	LOT	LaSalle	10 hr
Aug 24, 2:51 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois	39 min
Aug 23, 7:10 PM CDT	Severe Thunderstorm Warning	LOT	Lake, Porter	60 min
Aug 23, 7:46 PM CDT	Severe Thunderstorm Warning	LOT	Jasper, Newton	42 min
Aug 23, 8:05 PM CDT	Tornado Warning	LOT	Newton	25 min
Aug 23, 8:47 PM CDT	Severe Thunderstorm Warning	LOT	Jasper, Lake, Newton, Porter	48 min
Aug 23, 9:14 PM CDT	River Flood Warning	LOT	Porter	8 days
Aug 23, 9:14 PM CDT	River Flood Warning	LOT	Jasper, Porter	8 days
Aug 23, 10:05 PM CDT	Flash Flood Warning	LOT	Jasper, Newton	6 hr
Aug 23, 10:54 PM CDT	River Flood Warning	LOT	Lake	72 hr

Nearby

River Flood Warnings in Illinois, 2007 Every river flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.