Alert archive / Iowa / River Flood Warnings in 2009

River Flood Warning 91, NWS Quad Cities, IA

June 18, 2009Lee County, Iowa; Clark County, Missouri

NWS Quad Cities, IA issued this river flood warning at Jun 18, 2009, 9:17 PM CDT for Lee County, Iowa; Clark County, Missouri. It took effect at Jun 19, 2009, 5:31 AM CDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Jun 18, 2009, 9:17 PM CDT (02:17 UTC)
In effect from: Jun 19, 2009, 5:31 AM CDT
Expired: Jun 19, 2009, 9:09 PM CDT
In force: 16 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 02:20 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 Jun 18, 8:36 PM CDT, 41 minutes earlier.

Area forecast discussion, Jun 18, 8:36 PM CDT, 41 minutes before

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Hazardous weather outlook, Jun 18, 12:26 PM CDT, 8 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1226 AM CDT THU JUN 18 2009

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-191000-
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-
1226 AM CDT THU JUN 18 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

THE STORM PREDICTION CENTER HAS A MODERATE RISK FOR SEVERE STORMS
THIS AFTERNOON AND TONIGHT FOR OUTLOOK AREAS GENERALLY ALONG AND
NORTH OF A LINE FROM SIGOURNEY IOWA...TO MONMOUTH ILLINOIS. AREAS TO
THE SOUTH OF THAT ARE IN A SLIGHT RISK FOR SEVERE WEATHER.

AS THIS MORNINGS STORMS AND CLOUD DEBRIS CLEAR TODAY...CONDITIONS
WILL WARM INTO THE UPPER 80S TO LOWER 90S IN MUCH OF THE OUTLOOK AREA
WITH DEWPOINTS IN THE LOWER TO MID 70S. THIS HEAT AND HUMIDITY MAY
ALSO FUEL STRONG TO SEVERE STORMS BY THIS AFTERNOON AND TONIGHT. ONE
SCENARIO WILL BE IF SOUTHERN PORTIONS OF A STORM COMPLEX NOW IN
NORTHEAST NEBRASKA WILL MOVE EAST AND MAKE IT INTO PORTIONS OF THE
OUTLOOK AREA BY EARLY AFTERNOON AND BECOME SEVERE WITH DAMAGING
WINDS. IF THESE NEBRASKA STORMS DO NOT MAKE IT INTO THE LOCAL
AREA...OTHER STORMS MAY FIRE BY LATE AFTERNOON AND EVENING IN NORTH
CENTRAL TO NORTHEAST IOWA AND AFFECT AREAS ALONG AND NORTH OF
INTERSTATE 80 BY THIS EVENING AND OVERNIGHT. THESE STORMS WILL FEED
ON A FULL DAY OF HEATING AND WILL LIKELY BE SEVERE WITH DAMAGING
WINDS UP TO 70 MPH...LARGE HAIL AND POSSIBLY AN ISOLATED TORNADO.
OUTLOOK AREAS MOST SUSCEPTIBLE TO THESE SEVERE STORMS TONIGHT WILL
BE NORTH OF INTERSTATE 80. BESIDES THE SEVERE WEATHER...THE STORMS
WILL HAVE THE POTENTIAL TO PRODUCE TORRENTIAL RAINFALL AND SOME
AREAS WILL RECEIVE RAIN AMOUNTS OF 1 TO 2 INCHES BY FRIDAY MORNING.
THIS TYPE OF RAINFALL MAY PRODUCE SOME URBAN AND SMALL STREAM
FLOODING OR EVEN LOCALIZED FLASH FLOODING...AS WELL AS RISES ON AREA
RIVERS AND STREAMS.

A CONFERENCE CALL FOR EMERGENCY MANAGEMENT WILL BE CONDUCTED AT 1
PM.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A LARGE UPPER ATMOSPHERIC DISTURBANCE ALONG WITH A PASSING FRONT WILL
SWEEP THROUGH THE REGION FRIDAY NIGHT AND WILL GENERATE ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS OUT AHEAD OF IT. IF FRIDAY MORNING
STORMS AND CLOUDS CAN CLEAR AND ALLOW CONDITIONS TO HEAT BACK UP AT
LEAST INTO THE MID TO UPPER 80S WITH HIGH HUMIDITY...SEVERE STORMS
MAY AGAIN FIRE UP AHEAD OF THE INCOMING FRONT. THESE STORMS MAY
IMPACT MOST OF THE OUTLOOK AREA BY FRIDAY AFTERNOON AND EVENING.
ADDITIONAL HEAVY RAINFALL WILL ALSO AGAIN BE A THREAT AND MAY
AGGRAVATE ANY ONGOING FLOODING SITUATIONS...OR CREATE NEW ONES.

THE STORM PREDICTION CENTER HAS PLACED THE ENTIRE OUTLOOK AREA UNDER
A MODERATE RISK OF SEVERE WEATHER FOR FRIDAY AND FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY LATE THIS AFTERNOON AND TONIGHT.
SPOTTER ACTIVATION WILL ALSO LIKELY BE NEEDED IN MOST OF THE OUTLOOK
AREA ON FRIDAY. PLEASE REPORT WINDS OVER 40 MPH...ANY HAIL AND HEAVY
RAINS TO THE QUAD CITIES WEATHER FORECAST OFFICE.

12/ERVIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 7:00 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Johnson, Linn	60 min
Jun 19, 7:28 AM CDT	Severe Thunderstorm Warning	DVN	Buchanan	32 min
Jun 19, 7:45 AM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Dubuque, Jones, Linn	60 min
Jun 19, 8:17 AM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jackson, Jones	58 min
Jun 19, 8:33 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	57 min
Jun 19, 9:02 AM CDT	Severe Thunderstorm Warning	DVN	Dubuque	58 min
Jun 19, 4:00 PM CDT	Tornado Warning	DVN	Des Moines, Lee	45 min
Jun 19, 4:19 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	56 min
Jun 19, 4:24 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Keokuk, Van Buren, Washington	54 min
Jun 19, 4:36 PM CDT	Flash Flood Warning	DVN	Benton, Cedar, Iowa, Johnson, Linn	3 hr
Jun 19, 4:42 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Keokuk, Louisa, Muscatine, Washington	46 min
Jun 19, 4:48 PM CDT	Flash Flood Warning	DVN	Cedar, Clinton, Jackson, Jones	3 hr
Jun 19, 5:03 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee, Louisa	72 min
Jun 19, 5:03 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Louisa, Muscatine, Scott, Washington	57 min
Jun 19, 5:12 PM CDT	Flash Flood Warning	DVN	Cedar, Clinton, Louisa, Muscatine, Scott	91 min
Jun 19, 5:28 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Muscatine, Scott	62 min
Jun 19, 1:48 AM CDT	Special Weather Statement	DVN	Stephenson	57 min
Jun 19, 4:10 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	41 min
Jun 19, 4:37 PM CDT	Tornado Warning	DVN	Henderson, Warren	17 min
Jun 19, 5:09 PM CDT	Flash Flood Warning	DVN	Carroll, Jo Daviess, Stephenson	3 hr
Jun 19, 5:39 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry, Putnam	66 min
Jun 19, 6:07 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Whiteside	38 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.