Alert archive / Iowa / River Flood Warnings in 2009

River Flood Warning 6, NWS Des Moines, IA

February 11, 2009Webster County, Iowa

NWS Des Moines, IA issued this river flood warning at Feb 11, 2009, 3:52 PM CST for Webster County, Iowa. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Feb 11, 2009, 3:52 PM CST (21:52 UTC)
Expired: Feb 11, 2009, 9:10 PM CST
In force: 5 hr
Issued by: NWS Des Moines, IA
Flood severity: Minor

County Webster County, IA

The radar

The Des Moines radar (KDMX), 86 km from the middle of the area, began a volume at 21:54 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 Fort Dodge (FODI4). The gauge peaked at 11.40 ft at Feb 11, 2009, 2:00 PM CST.

Action stage: 9 ft
Minor stage: 10.5 ft
Moderate stage: 16 ft
Major stage: 17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05480500, 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 Des Moines, IA wrote its last area forecast discussion before this river flood warning went out at Feb 11, 3:30 PM CST, 22 minutes earlier.

Area forecast discussion, Feb 11, 3:30 PM CST, 22 minutes before

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Hazardous weather outlook, Feb 11, 5:38 AM CST, 10 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
538 AM CST WED FEB 11 2009

IAZ004>007-015>017-023>028-121200-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
538 AM CST WED FEB 11 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

FLOOD WARNINGS ARE IN EFFECT FOR PARTS OF THE AREA. PLEASE REFER
TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

IAZ033>039-044>050-057>062-070>075-081>086-092>097-121200-
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-
POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
538 AM CST WED FEB 11 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

FLOOD WARNINGS ARE IN EFFECT FOR PARTS OF THE AREA. PLEASE REFER
TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SNOW WILL SPREAD INTO THE AREA FRIDAY AND CONTINUE FRIDAY NIGHT.
HEAVY SNOWFALL IS POSSIBLE FOR PARTS OF THE AREA...ESPECIALLY
SOUTH OF U.S. HIGHWAY 30...WITH ACCUMULATIONS OF 6 INCHES OR MORE.
THERE IS A POSSIBILITY OF THUNDER WITH THE SNOW FRIDAY AFTERNOON
AND EVENING...WHICH COULD LEAD TO LOCAL HEAVIER SNOW ACCUMULATIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 11, 3:23 AM CST	River Flood Warning	DMX	Cerro Gordo, Floyd, Worth	10 hr
Feb 11, 9:51 AM CST	Flash Flood Warning	DMX	Webster	6 hr
Feb 11, 3:22 PM CST	River Flood Warning	DMX	Boone, Webster	6 hr
Feb 11, 3:47 PM CST	Flash Flood Warning	DMX	Tama	6 hr
Feb 11, 3:52 PM CST	Winter Storm Watch	DMX	Adair, Adams, Appanoose, Audubon, Boone, Carroll and 25 more	36 hr

Nearby

River Flood Warnings in Iowa, 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.