Alert archive / Iowa / River Flood Warnings in 2010

River Flood Warning 201, NWS Des Moines, IA

August 2, 2010Dallas County, Greene County, Iowa

NWS Des Moines, IA issued this river flood warning at Aug 2, 2010, 10:24 PM CDT for Dallas County, Greene County, Iowa. It took effect at Aug 3, 2010, 9:00 AM CDT. It was in force for 63 hr.

The area

The counties it named.

The facts

Issued
Aug 2, 2010, 10:24 PM CDT (03:24 UTC)
In effect from
Aug 3, 2010, 9:00 AM CDT
Expired
Aug 5, 2010, 11:36 PM CDT
In force
63 hr
Issued by
NWS Des Moines, IA
Flood severity
Minor

Counties Dallas County, IA, Greene County, IA

The radar

The Des Moines radar (KDMX), 44 km from the middle of the area, began a volume at 03:27 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 North Raccoon River near Perry (PROI4).

Action stage
14 ft
Minor stage
15 ft
Moderate stage
18 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 Aug 2, 9:38 PM CDT, 46 minutes earlier.

Area forecast discussion, Aug 2, 9:38 PM CDT, 46 minutes before
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Hazardous weather outlook, Aug 2, 3:37 PM CDT, 6 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
337 PM CDT MON AUG 2 2010

IAZ023>028-033>039-044>050-057>062-070>075-085-086-032045-
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-MAHASKA-MONROE-WAPELLO-
337 PM CDT MON AUG 2 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

WIDESPREAD THUNDERSTORM ACTIVITY IS EXPECTED FOR TONIGHT.
RAINFALL OF 1 TO 2 INCHES IS LIKELY...WITH LOCAL AMOUNTS OF UP TO
4 INCHES. A FEW SEVERE STORMS ARE ALSO POSSIBLE THIS EVENING...BUT
THE MAIN THREAT IS INTENSE RAINFALL AND FLASH FLOODING. ISOLATED
STORMS MAY PRODUCE HIGH WINDS AND LARGE HAIL.

RIVER FLOOD WARNINGS REMAIN IN EFFECT FOR PARTS OF THE AREA. A
FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT. PLEASE REFER TO THE
NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR
FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED THUNDERSTORMS ARE EXPECTED TUESDAY MORNING AND AGAIN
TUESDAY NIGHT AND WEDNESDAY. THUNDERSTORMS RETURN TO THE FORECAST
SATURDAY NIGHT. SEVERE THUNDERSTORMS ARE POSSIBLE TUESDAY NIGHT
WITH HIGH WINDS THE PRIMARY THREAT. SEVERE POTENTIAL IS LOW ON
BOTH WEDNESDAY AND SATURDAY NIGHT.

IN ADDITION...HEAT INDICES WILL HOVER NEAR 100 DEGREES TUESDAY
AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE TODAY INTO TONIGHT...AND
AGAIN TUESDAY NIGHT.

IAZ081>084-092>097-032045-
ADAMS-UNION-CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
337 PM CDT MON AUG 2 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FEW SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT. ISOLATED STORMS
MAY PRODUCE HIGH WINDS AND LARGE HAIL. IN ADDITION...HEAVY RAIN IS
POSSIBLE WITH LOCALIZED FLASH FLOODING.

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

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED THUNDERSTORMS ARE EXPECTED TUESDAY MORNING AND AGAIN
TUESDAY NIGHT AND WEDNESDAY. THUNDERSTORMS RETURN TO THE FORECAST
SATURDAY NIGHT. SEVERE THUNDERSTORMS ARE POSSIBLE TUESDAY NIGHT
WITH HIGH WINDS THE PRIMARY THREAT. SEVERE POTENTIAL IS LOW ON
BOTH WEDNESDAY AND SATURDAY NIGHT.

IN ADDITION...HEAT INDICES WILL BE IN THE 100 TO 105 DEGREE RANGE
TUESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE TODAY INTO TONIGHT...AND
AGAIN LATE TUESDAY AND TUESDAY EVENING.

IAZ004>007-015>017-032045-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
337 PM CDT MON AUG 2 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SHOWERS AND THUNDERSTORMS ARE FORECAST TONIGHT. ISOLATED STORMS
COULD PRODUCE HEAVY RAINFALL...AND MARGINALLY SEVERE HAIL OR
WINDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED THUNDERSTORMS ARE EXPECTED TUESDAY NIGHT AND WEDNESDAY...AND
AGAIN ABOUT SATURDAY NIGHT. SEVERE WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT.

JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 12:54 AM CDTSevere Thunderstorm WarningDMXAdair, Audubon, Guthrie37 min
Aug 3, 1:30 AM CDTAreal Flood AdvisoryDMXDallas, Jasper, Madison, Marion, Marshall, Polk and 2 more3 hr
Aug 3, 1:44 AM CDTAreal Flood AdvisoryDMXMahaska, Poweshiek4 hr
Aug 3, 12:44 PM CDTHeat AdvisoryDMXAdair, Adams, Appanoose, Clarke, Dallas, Davis and 13 more6 hr
Aug 3, 3:23 PM CDTRiver Flood WarningDMXMahaska49 hr
Aug 3, 3:23 PM CDTRiver Flood WarningDMXPolk67 hr
Aug 3, 3:23 PM CDTRiver Flood WarningDMXPolk67 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.