Alert archive / Iowa / River Flood Warnings in 2010

River Flood Warning 56, NWS Des Moines, IA

April 25, 2010Mahaska County, Marion County, Iowa

NWS Des Moines, IA issued this river flood warning at Apr 25, 2010, 2:39 AM CDT for Mahaska County, Marion County, Iowa. It took effect at Apr 25, 2010, 4:11 AM CDT. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
Apr 25, 2010, 2:39 AM CDT (07:39 UTC)
In effect from
Apr 25, 2010, 4:11 AM CDT
Expired
Apr 26, 2010, 3:35 PM CDT
In force
35 hr
Issued by
NWS Des Moines, IA
Flood severity
Minor

Counties Mahaska County, IA, Marion County, IA

The radar

The Des Moines radar (KDMX), 84 km from the middle of the area, began a volume at 07:40 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 Cedar Creek near Bussey (BSSI4). The gauge peaked at 23.27 ft at Apr 25, 2010, 7:00 PM CDT.

actionminormoderate10203004/2504/2604/27
Action stage
16 ft
Minor stage
25 ft
Moderate stage
30 ft
Major stage
32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05489000, 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 Apr 24, 11:40 PM CDT, 2 hours 59 minutes earlier.

Area forecast discussion, Apr 24, 11:40 PM CDT, 2 hours 59 minutes before
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Hazardous weather outlook, Apr 24, 3:18 PM CDT, 11 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
318 PM CDT SAT APR 24 2010

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>074-081>084-
092>094-252030-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-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-ADAMS-UNION-CLARKE-LUCAS-
TAYLOR-RINGGOLD-DECATUR-
318 PM CDT SAT APR 24 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED TO NUMEROUS THUNDERSTORMS WILL OCCUR THIS AFTERNOON AND
EVENING. SOME SEVERE STORMS WILL BE POSSIBLE WITH HAIL UP TO HALF
DOLLAR SIZE AND DAMAGING WINDS TO 60 MPH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THUNDERSTORM CHANCES WILL RETURN TO THE AREA WEDNESDAY NIGHT INTO
FRIDAY. AT THIS POINT...SOME SEVERE WEATHER APPEARS POSSIBLE BUT
TIMING AND TYPE CANNOT BE DISCERNED. ADDITIONAL DETAIL WILL BE
PROVIDED AS THE EVENT APPROACHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EARLY EVENING.
SPOTTER ACTIVATION MAY ALSO BE NEEDED BY THE END OF THE NEXT WORK
WEEK.

IAZ075-085-086-095>097-252030-
MAHASKA-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
318 PM CDT SAT APR 24 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED TO NUMEROUS THUNDERSTORMS WILL OCCUR THIS AFTERNOON AND
EVENING. SOME SEVERE STORMS WILL BE POSSIBLE WITH HAIL UP TO
QUARTER SIZE. LOCALLY HEAVY RAINFALL TONIGHT MAY RESULT IN
LOCALIZED MINOR FLOODING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THUNDERSTORM CHANCES WILL RETURN TO THE AREA WEDNESDAY NIGHT INTO
FRIDAY. AT THIS POINT...SOME SEVERE WEATHER APPEARS POSSIBLE BUT
TIMING AND TYPE CANNOT BE DISCERNED. ADDITIONAL DETAIL WILL BE
PROVIDED AS THE EVENT APPROACHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EARLY EVENING.
SPOTTER ACTIVATION MAY ALSO BE NEEDED BY THE END OF THE NEXT WORK
WEEK.

MOYER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 8:53 PM CDTRiver Flood WarningDMXMahaska, Wapello5 days
Apr 24, 8:53 PM CDTRiver Flood WarningDMXWapello6 days
Apr 24, 8:53 PM CDTRiver Flood WarningDMXLucas, Wayne48 hr
Apr 24, 8:53 PM CDTRiver Flood WarningDMXAppanoose, Wayne31 hr
Apr 24, 9:04 PM CDTAreal Flood WarningDMXAppanoose, Davis, Decatur, Lucas, Monroe, Ringgold and 2 more12 hr
Apr 24, 9:21 PM CDTWind AdvisoryDMXAppanoose, Black Hawk, Bremer, Butler, Davis, Grundy and 14 more7 hr
Apr 25, 2:01 AM CDTAreal Flood WarningDMXClarke, Jasper, Lucas, Mahaska, Marion, Monroe and 2 more24 hr
Apr 25, 9:18 AM CDTRiver Flood WarningDMXDecatur3 hr

Nearby

River Flood Warnings in Iowa, 2010Every river flood warning in 2010

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.