Alert archive / Illinois / River Flood Warnings in 2007

River Flood Warning 3, NWS Chicago, IL

August 7, 2007Boone County, Illinois

NWS Chicago, IL issued this river flood warning at Aug 7, 2007, 7:24 AM CDT for Boone County, Illinois. It took effect at Aug 7, 2007, 4:45 PM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Aug 7, 2007, 7:24 AM CDT (12:24 UTC)
In effect from: Aug 7, 2007, 4:45 PM CDT
Expired: Aug 7, 2007, 8:37 PM CDT
In force: 4 hr
Issued by: NWS Chicago, IL
Flood severity: Minor

County Boone County, IL

The radar

The Milwaukee radar (KMKX), 75 km from the middle of the area, began a volume at 12:26 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 Kishwaukee River at Belvidere (BVDI2).

Action stage: 6 ft
Minor stage: 9 ft
Moderate stage: 10 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05438500, 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 7, 6:30 AM CDT, 54 minutes earlier.

Area forecast discussion, Aug 7, 6:30 AM CDT, 54 minutes before

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Hazardous weather outlook, Aug 7, 4:30 AM CDT, 2 hours 54 minutes before

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In the hours before

Local storm report, Aug 7, 3:42 AM CDT, 3 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
342 AM CDT TUE AUG 07 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 AM     FLASH FLOOD      ROCKFORD                42.27N 89.06W
08/07/2007                   WINNEBAGO          IL   LAW ENFORCEMENT

            APPROXIMATELY 20 INTERSECTIONS FLOODED...6 CARS STRANDED
            IN CITY OF ROCKFORD. FROM 911 CENTER.

0322 AM     HEAVY RAIN       ROCKFORD                42.27N 89.06W
08/07/2007  M4.83 INCH       WINNEBAGO          IL   CO-OP OBSERVER

            4 HOUR RAINFALL...SINCE 11 PM MONDAY EVENING.

0325 AM     FLASH FLOOD      WOODSTOCK               42.31N 88.44W
08/07/2007                   MCHENRY            IL   TRAINED SPOTTER

            INTERSECTION OF ROUTES 47 AND 120 SHUT DOWN DUE TO 2 FEET
            OF STANDING WATER. WILLOW AND CLAY STREET SHUT DOWN DUE
            TO WAIST DEEP WATER. PLOICE CONDUCTING RESCUES FROM
            STRANDED VEHICLES. WATER A FOOT DEEP ON WASHINGTON
            STREET.

&&

RATZER

Local storm report, Aug 7, 4:34 AM CDT, 2 hours 50 minutes before

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Local storm report, Aug 7, 5:21 AM CDT, 2 hours 3 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 6, 9:05 PM CDT	River Flood Advisory	LOT	DeKalb	36 hr
Aug 7, 1:00 AM CDT	Flash Flood Warning	LOT	Boone, McHenry, Winnebago	6 hr
Aug 7, 2:32 AM CDT	Flash Flood Warning	LOT	Cook, Lake	6 hr
Aug 7, 2:48 AM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Kane	57 min
Aug 7, 2:52 AM CDT	Flash Flood Warning	LOT	DeKalb, Kane	6 hr
Aug 7, 2:52 AM CDT	Flash Flood Warning	LOT	DeKalb, Kane	6 hr
Aug 7, 3:43 AM CDT	Special Marine Warning	LOT		2 hr
Aug 7, 4:39 AM CDT	Heat Advisory	LOT	Ford, Iroquois, Livingston	35 hr
Aug 7, 7:24 AM CDT	River Flood Warning	LOT	Winnebago	3 days
Aug 7, 9:37 AM CDT	River Flood Warning	LOT	Kane, McHenry	11 hr
Aug 7, 9:55 AM CDT	River Flood Advisory	LOT	Cook	52 hr
Aug 7, 10:05 AM CDT	River Flood Advisory	LOT	Ogle	24 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.