Alert archive / Iowa / River Flood Warnings in 2010

River Flood Warning 169, NWS Des Moines, IA

July 18, 2010Mahaska County, Marion County, Iowa

NWS Des Moines, IA issued this river flood warning at Jul 18, 2010, 8:35 AM CDT for Mahaska County, Marion County, Iowa. It took effect at Jul 18, 2010, 10:59 AM CDT. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued: Jul 18, 2010, 8:35 AM CDT (13:35 UTC)
In effect from: Jul 18, 2010, 10:59 AM CDT
Expired: Jul 19, 2010, 4:20 PM CDT
In force: 29 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 13:38 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 22.76 ft at Jul 19, 2010, 1:00 AM CDT.

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 Jul 18, 6:22 AM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Jul 18, 6:22 AM CDT, 2 hours 13 minutes before

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Hazardous weather outlook, Jul 18, 5:45 AM CDT, 2 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
545 AM CDT SUN JUL 18 2010

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-191100-
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-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
545 AM CDT SUN JUL 18 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL OCCUR OVER THE SOUTHEAST HALF OF THE AREA THIS
MORNING. SEVERE STORMS ARE POSSIBLE EARLY OVER THE FAR SOUTHEAST.
SCATTERED THUNDERSTORMS ARE EXPECTED SOUTH OF HIGHWAY 92 THIS
AFTERNOON...HOWEVER SEVERE WEATHER IS NOT LIKELY.

ANOTHER ROUND OF THUNDERSTORMS IS EXPECTED OVER THE SOUTHWEST HALF
OF IOWA AFTER MIDNIGHT TONIGHT. SEVERE WEATHER IS NOT LIKELY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SEVERAL ROUNDS OF THUNDERSTORMS ARE EXPECTED MONDAY THROUGH
THURSDAY NIGHT. THE THREAT OF SEVERE WEATHER IS LOW WITH THESE
STORMS...HOWEVER HEAVY RAINFALL IS LIKELY. OVER THE COURSE OF THE
NEXT FEW DAYS...MOST LOCATIONS CAN EXPECT SEVERAL INCHES OF RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED...HOWEVER RAINFALL REPORTS
WOULD BE APPRECIATED.

In the hours before

Local storm report, Jul 18, 5:01 AM CDT, 3 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
501 AM CDT SUN JUL 18 2010

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

0454 AM     TSTM WND GST     RATHBUN                 40.80N 92.89W
07/18/2010  E60 MPH          APPANOOSE          IA   TRAINED SPOTTER

&&

MS JUL 10

Local storm report, Jul 18, 5:14 AM CDT, 3 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
514 AM CDT SUN JUL 18 2010

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

0455 AM     TSTM WND GST     MYSTIC                  40.78N 92.94W
07/18/2010  E70 MPH          APPANOOSE          IA   AMATEUR RADIO

            60 TO 70 MPH WIND WITH PEA SIZED HAIL.

&&

SMALL

Local storm report, Jul 18, 5:52 AM CDT, 2 hours 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
552 AM CDT SUN JUL 18 2010

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

0550 AM     FLASH FLOOD      KNOXVILLE               41.32N 93.10W
07/18/2010                   MARION             IA   EMERGENCY MNGR

            4 FEET OF WATER IN SOME CITY STREETS. CARS STALLED.

0550 AM     FLASH FLOOD      6 SE MELCHER-DALLAS     41.18N 93.15W
07/18/2010                   MARION             IA   EMERGENCY MNGR

            WATER OVER 103RD AVENUE INTO COLUMBIA NEAR HIGHWAY 14.

&&

SMALL

Local storm report, Jul 18, 6:21 AM CDT, 2 hours 14 minutes before

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Local storm report, Jul 18, 7:25 AM CDT, 1 hour 10 minutes before

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Local storm report, Jul 18, 8:07 AM CDT, 28 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 10:20 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth, Palo Alto	40 min
Jul 17, 10:54 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth, Palo Alto	51 min
Jul 17, 11:20 PM CDT	Tornado Warning	DMX	Palo Alto, Pocahontas	25 min
Jul 17, 11:46 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth, Palo Alto, Pocahontas	44 min
Jul 18, 12:23 AM CDT	Tornado Warning	DMX	Calhoun, Pocahontas, Webster	37 min
Jul 18, 12:31 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Humboldt, Kossuth, Pocahontas, Webster, Wright	44 min
Jul 18, 12:36 AM CDT	Tornado Warning	DMX	Humboldt, Webster, Wright	24 min
Jul 18, 12:58 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas, Sac, Webster	62 min
Jul 18, 1:10 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Humboldt, Story, Webster, Wright	65 min
Jul 18, 1:39 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Calhoun, Greene, Webster	51 min
Jul 18, 2:08 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Story	52 min
Jul 18, 2:17 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin, Marshall, Story	58 min
Jul 18, 2:20 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Calhoun, Carroll, Greene, Guthrie, Sac	43 min
Jul 18, 2:22 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Crawford	53 min
Jul 18, 2:35 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Jasper, Polk, Story	40 min
Jul 18, 2:55 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Jasper, Marion, Marshall, Polk, Story	50 min
Jul 18, 3:00 AM CDT	Flash Flood Warning	DMX	Dallas, Madison, Polk, Warren	4 hr
Jul 18, 3:00 AM CDT	Severe Thunderstorm Warning	DMX	Dallas, Jasper, Madison, Marion, Monroe, Polk and 1 more	45 min
Jul 18, 3:10 AM CDT	Tornado Warning	DMX	Jasper, Marion, Polk	35 min
Jul 18, 3:14 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Story, Tama	46 min
Jul 18, 3:19 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Madison, Union, Warren	41 min
Jul 18, 3:24 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Greene, Guthrie	51 min
Jul 18, 3:30 AM CDT	Tornado Warning	DMX	Marion, Warren	30 min
Jul 18, 3:44 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Lucas, Madison, Mahaska, Marion, Marshall and 4 more	61 min
Jul 18, 3:56 AM CDT	Flash Flood Warning	DMX	Dallas, Guthrie	3 hr
Jul 18, 4:16 AM CDT	Tornado Warning	DMX	Appanoose, Lucas, Monroe	29 min
Jul 18, 4:40 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Lucas, Monroe, Wapello, Wayne	65 min
Jul 18, 4:51 AM CDT	Areal Flood Advisory	DMX	Jasper, Mahaska, Marion	3 hr
Jul 18, 5:18 AM CDT	Areal Flood Advisory	DMX	Madison	3 hr
Jul 18, 5:57 AM CDT	Flash Flood Warning	DMX	Lucas, Mahaska, Marion, Monroe	4 hr
Jul 18, 8:35 AM CDT	River Flood Warning	DMX	Polk	20 days
Jul 18, 12:45 PM CDT	River Flood Warning	DMX	Madison, Warren	5 hr
Jul 18, 3:13 PM CDT	River Flood Warning	DMX	Polk	12 days
Jul 18, 3:13 PM CDT	River Flood Warning	DMX	Polk	53 hr

Nearby

River Flood Warnings in Iowa, 2010 Every 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.