Alert archive / Indiana / River Flood Warnings in 2007

River Flood Warning 18, NWS Chicago, IL

August 19, 2007Lake County, Indiana

NWS Chicago, IL issued this river flood warning at Aug 19, 2007, 8:48 PM CDT for Lake County, Indiana. It took effect at Aug 20, 2007, 3:15 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Aug 19, 2007, 8:48 PM CDT (01:48 UTC)
In effect from: Aug 20, 2007, 3:15 PM CDT
Expired: Aug 20, 2007, 5:57 AM CDT
In force
Issued by: NWS Chicago, IL
Flood severity: Minor

County Lake County, IN

The radar

The Chicago radar (KLOT), 61 km from the middle of the area, began a volume at 01:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Little Calumet River at Munster (LCMI3).

Action stage: 11.5 ft
Minor stage: 12 ft
Moderate stage: 14 ft
Major stage: 17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05536195, 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 19, 7:05 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Aug 19, 7:05 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Aug 19, 4:35 PM CDT, 4 hours 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
435 PM CDT SUN AUG 19 2007

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
200930-
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-
435 PM CDT SUN AUG 19 2007 /535 PM EDT SUN AUG 19 2007/

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

.DAY ONE... TONIGHT

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE ENTIRE AREA. HEAVY
RAIN WILL CONTINUE TONIGHT AND MAY CAUSE FLOODING...ESPECIALLY IN
LOW LYING AND FLOOD PRONE AREAS AND POSSIBLY FLASH FLOODING. AN
ADDITIONAL 3 INCHES OF RAIN IS POSSIBLE IN MANY LOCATIONS WITH
ISOLATED AMOUNTS AS HIGH AS 5 INCHES.

THUNDERSTORMS WILL ALSO BE POSSIBLE TONIGHT...BUT NO SEVERE WEATHER
IS EXPECTED.

.DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY

A FLASH FLOOD WATCH IS IN EFFECT UNTIL 1 PM MONDAY. HEAVY RAIN WILL
BE POSSIBLE MONDAY MORNING...WHICH MAY CAUSE ADDITIONAL FLOODING.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS MONDAY AND MONDAY
NIGHT. THE MAIN SEVERE WEATHER THREATS WILL BE DAMAGING WINDS AND
LARGE HAIL.

THERE IS A CHANCE OF THUNDERSTORMS TUESDAY THROUGH SATURDAY.

DUE TO THE HEAVY RAIN THAT HAS ALREADY FALLEN AND THE ADDITIONAL
HEAVY RAIN EXPECTED...SEVERAL RIVERS ARE EXPECTED TO EXCEED FLOOD
STAGE EARLY THIS WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED TONIGHT AND MONDAY. PLEASE REPORT
RAINFALL AMOUNTS...FLOODING AND RISES ON RIVERS AND STREAMS.

&&

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

LMZ740>745-766-200930-
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, WINTHROP HARBOR IL EASTWARD TO THE MID-
POINT OF THE LAKE AND SOUTHWARD TO MICHIGAN CITY MI BEYOND 5 NM
OFFSHORE-
435 PM CDT SUN AUG 19 2007

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

.DAY ONE... TONIGHT

SCATTERED THUNDERSTORMS ARE POSSIBLE...BUT NO SEVERE WEATHER IS
EXPECTED. AREAS OF DENSE FOG ARE ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS MONDAY AND MONDAY
NIGHT. THE MAIN THREATS WILL BE DAMAGING WINDS AND LARGE HAIL.

THERE IS A CHANCE OF THUNDERSTORMS TUESDAY THROUGH SATURDAY.

&&

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

In the hours before

Local storm report, Aug 19, 3:48 PM CDT, 5 hours before

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Local storm report, Aug 19, 4:05 PM CDT, 4 hours 43 minutes before

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Local storm report, Aug 19, 5:42 PM CDT, 3 hours 6 minutes before

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Local storm report, Aug 19, 6:48 PM CDT, 2 hours 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 19, 9:20 PM CDT	River Flood Watch	LOT	Lake	11 hr
Aug 19, 9:20 PM CDT	River Flood Watch	LOT	LaSalle	14 hr
Aug 20, 3:30 AM CDT	Flash Flood Warning	LOT	Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and 1 more	7 hr
Aug 20, 8:27 AM CDT	River Flood Warning	LOT	Lake	13 days
Aug 20, 11:22 AM CDT	River Flood Advisory	LOT	Kane, McHenry	26 hr
Aug 20, 11:22 AM CDT	River Flood Advisory	LOT	LaSalle	56 hr
Aug 20, 2:51 PM CDT	River Flood Warning	LOT	Kane, McHenry	6 hr

Nearby

River Flood Warnings in Indiana, 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.