Alert archive / Iowa / River Flood Warnings in 2009

River Flood Warning 117, NWS Quad Cities, IA

August 28, 2009Lee County, Iowa; Clark County, Missouri

NWS Quad Cities, IA issued this river flood warning at Aug 28, 2009, 3:46 AM CDT for Lee County, Iowa; Clark County, Missouri. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Aug 28, 2009, 3:46 AM CDT (08:46 UTC)
Expired: Aug 28, 2009, 10:12 AM CDT
In force: 6 hr
Issued by: NWS Quad Cities, IA
Flood severity: Minor

Counties Lee County, IA, Clark County, MO

The radar

The Quad Cities radar (KDVN), 148 km from the middle of the area, began a volume at 08:49 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 Des Moines River at St. Francisville (SFLM7).

Action stage: 17 ft
Minor stage: 18 ft
Moderate stage: 22 ft
Major stage: 25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05490600, 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 Quad Cities, IA wrote its last area forecast discussion before this river flood warning went out at Aug 28, 3:26 AM CDT, 20 minutes earlier.

Area forecast discussion, Aug 28, 3:26 AM CDT, 20 minutes before

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Hazardous weather outlook, Aug 27, 4:55 AM CDT, 22 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
455 AM CDT THU AUG 27 2009

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-280900-
BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-CLINTON
IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-HENDERSON IL-HENRY
IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-JO DAVIESS IL-JOHNSON IA-
JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-MCDONOUGH IL-MERCER IL-
MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-SCOTLAND MO-SCOTT IA-
STEPHENSON IL-VAN BUREN IA-WARREN IL-WASHINGTON IA-WHITESIDE IL-
455 AM CDT THU AUG 27 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

A SLOW MOVING LOW PRESSURE SYSTEM WILL PRODUCE EXTENDED PERIODS OF
RAIN AND EMBEDDED THUNDERSTORMS OVER ALL BUT THE FAR SOUTHERN
PORTIONS OF THE OUTLOOK AREA.  WIDESPREAD AREAS OF AN ADDITIONAL 1 TO
2 INCHES OF RAIN IS EXPECTED BY LATE EVENING. THE HEAVIEST RAINFALL
IS EXPECTED TO FALL 40 MILES EITHER SIDE OF A SIGOURNEY TO QUAD
CITIES TO STERLING LINE.  LOCALIZED HIGHER AMOUNTS UP TO 3 INCHES ARE
ALSO POSSIBLE TODAY INTO THIS EVENING ALONG THIS LINE.  ADDITIONAL
RAINFALL OVER ONE INCH MAY RESULT IN LOCALIZED AREAL AND POSSIBLY
FLASH FLOODING DUE TO ALREADY VERY SATURATED GROUND.  SIGNIFICANT
RIVER FLOODING IS EXPECTED TO DEVELOP ON MANY RIVERS AND TRIBUTARIES
LATER TODAY AND CONTINUE THE NEXT FEW DAYS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ISOLATED THUNDERSTORMS ARE POSSIBLE FRIDAY AFTERNOON. SEVERE STORMS
ARE NOT EXPECTED.

FLOODING CAUSED BY RUNOFF FROM RECENT HEAVY RAINFALL WILL DEVELOP OR
CONTINUE ALONG AREA RIVERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS EXPECTED TODAY AND TONIGHT. ANY REPORTS OF
FLOODING OR SIGNIFICANT PONDING OF WATER WOULD BE APPRECIATED.

NICHOLS/SHEETS

In the hours before

Local storm report, Aug 27, 10:22 PM CDT, 5 hours 24 minutes before

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Local storm report, Aug 28, 1:07 AM CDT, 2 hours 39 minutes before

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Local storm report, Aug 28, 1:21 AM CDT, 2 hours 25 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 27, 8:56 PM CDT	River Flood Warning	DVN	Jackson	43 hr
Aug 27, 9:34 PM CDT	Flash Flood Warning	DVN	Des Moines, Lee	2 hr
Aug 27, 11:09 PM CDT	Areal Flood Warning	DVN	Cedar, Clinton, Jones	12 hr
Aug 27, 11:39 PM CDT	Areal Flood Warning	DVN	Des Moines, Henry, Lee	12 hr
Aug 28, 12:03 AM CDT	Areal Flood Warning	DVN	Johnson, Louisa, Muscatine, Washington	12 hr
Aug 28, 6:38 AM CDT	River Flood Warning	DVN	Cedar, Johnson, Linn	14 hr
Aug 28, 10:52 AM CDT	Areal Flood Warning	DVN	Benton, Linn	48 hr
Aug 28, 11:02 AM CDT	Areal Flood Warning	DVN	Jones	42 hr
Aug 28, 12:00 PM CDT	Areal Flood Warning	DVN	Johnson	48 hr
Aug 28, 6:58 PM CDT	Special Weather Statement	DVN	Buchanan, Delaware, Dubuque	47 min

Nearby

River Flood Warnings in Iowa, 2009 River Flood Warnings in Missouri, 2009 Every river flood warning in 2009

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.