Alert archive / Iowa / River Flood Warnings in 2009

River Flood Warning 96, NWS Des Moines, IA

October 29, 2009Cerro Gordo County, Floyd County, Worth County, Iowa

NWS Des Moines, IA issued this river flood warning at Oct 29, 2009, 8:48 PM CDT for Cerro Gordo County, Floyd County, Worth County, Iowa. It took effect at Oct 30, 2009, 5:28 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Oct 29, 2009, 8:48 PM CDT (01:48 UTC)
In effect from: Oct 30, 2009, 5:28 AM CDT
Expired: Oct 30, 2009, 11:05 AM CDT
In force: 6 hr
Issued by: NWS Des Moines, IA
Flood severity: Minor

Counties Cerro Gordo County, IA, Floyd County, IA, Worth County, IA

The radar

The Des Moines radar (KDMX), 168 km from the middle of the area, began a volume at 01:50 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 Winnebago River at Mason City (MCWI4).

Action stage: 8 ft
Minor stage: 10 ft
Moderate stage: 14.5 ft
Major stage: 15.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05459500, 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 Oct 29, 6:44 PM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, Oct 29, 6:44 PM CDT, 2 hours 4 minutes before

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Hazardous weather outlook, Oct 29, 11:29 AM CDT, 9 hours 19 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
1129 AM CDT THU OCT 29 2009

IAZ017-026>028-036>039-046>050-058>062-070>075-081>086-092>097-
301630-
CERRO GORDO-FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
GREENE-BOONE-STORY-MARSHALL-TAMA-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
1129 AM CDT THU OCT 29 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

OCCASIONAL THUNDERSTORMS WILL AFFECT THE AREA AGAIN THIS AFTERNOON AND
INTO TONIGHT...ENDING AFTER MIDNIGHT. A FEW STORMS COULD BE STRONG...
PRODUCING SMALL HAIL AND GUSTY WINDS. LOCALLY HEAVY RAINFALL IS
ALSO LIKELY WHICH COULD LEAD TO SOME FLASH FLOODING IN THE OUTLOOK
AREA.

A FLASH FLOOD WATCH IS IN EFFECT FOR THE AREA THROUGH EARLY FRIDAY MORNING.
PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES
FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

.NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT ANY HEAVY RAINFALL
REPORTS WOULD BE APPRECIATED.

IAZ004>007-015-016-023>025-033>035-044-045-057-301630-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-
WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-AUDUBON-
1129 AM CDT THU OCT 29 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

.NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

REV

In the hours before

Local storm report, Oct 29, 4:21 PM CDT, 4 hours 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
421 PM CDT THU OCT 29 2009

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

0405 PM     HEAVY RAIN       SSW GENEVA              42.67N 93.13W
10/29/2009  M3.30 INCH       FRANKLIN           IA   TRAINED SPOTTER

            AMOUNT FALLEN SINCE 6AM.

&&

JH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 29, 9:02 PM CDT	River Flood Warning	DMX	Lucas, Wayne	46 hr
Oct 29, 9:02 PM CDT	River Flood Warning	DMX	Appanoose, Wayne	23 hr
Oct 29, 11:56 PM CDT	River Flood Warning	DMX	Mahaska, Marion	31 hr
Oct 30, 1:32 AM CDT	River Flood Warning	DMX	Wapello	15 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.