Alert archive / Iowa / River Flood Warnings in 2008

River Flood Warning 127, NWS Des Moines, IA

June 5, 2008Polk County, Iowa

NWS Des Moines, IA issued this river flood warning at Jun 5, 2008, 11:55 PM CDT for Polk County, Iowa. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jun 5, 2008, 11:55 PM CDT (04:55 UTC)
Expired: Jun 6, 2008, 9:24 AM CDT
In force: 9 hr
Issued by: NWS Des Moines, IA
Flood severity: Major

County Polk County, IA

The radar

The Des Moines radar (KDMX), 13 km from the middle of the area, began a volume at 05:03 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 Walnut Creek at Des Moines 63rd St (DOSI4).

Action stage: 10 ft
Minor stage: 14 ft
Moderate stage: 15 ft
Major stage: 17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05484800, 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 Jun 5, 7:40 PM CDT, 4 hours 15 minutes earlier.

Area forecast discussion, Jun 5, 7:40 PM CDT, 4 hours 15 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
740 PM CDT THU JUN 5 2008

.UPDATED PUBLIC DISCUSSION...

.DISCUSSION...
HAVE UPDATED ZONES TO REFLECT INCREASING SFC INFLOW WHICH IS AT
TIMES NEAR 45 MPH INTO THE LINE OF STORMS FORMING ACROSS WESTERN IA.
AT THIS TIME...WILL NOT ISSUE AN ADVISORY BUT HIT HARD IN NOWCASTS.
ONGOING SVR WX THREAT CONTINUES. 00Z UPPER AIR AND SFC ANALYSES SHOW
THAT THE MAIN WAVE IS JUST ROUNDING THE BASE OF THE DEEPENING H500
TROUGH. NO CHANGES TO THINKING...LINE OF SEVERE STORMS SHOULD
CONTINUE MOVING NORTHEAST OVERNIGHT AS UPPER LEVEL SYSTEM LIFTS
QUICKLY ACROSS THE STATE OVERNIGHT.

.PREVIOUS DISCUSSION...
DYNAMIC WX STTN UNFOLDING RAPIDLY AS 80 TO 90 KT JET ROTATES OUT
OF THE ROCKIES TROF. LN OF TSRA HAD DVLPD OVR CNTRL NEBRASKA INTO
CNTRL KS. THERE WILL BE TO AREAS OF FOCUS. ONE ALONG AND N OF THE
WRM FRONT WHERE CAP IS WEAKENING...WITH MAIN AREA MOVG INTO WRN IA
TWD SNST. EXPECT ALL MODES OF SVR WX INITIALLY...WITH LINE TAKING
ON MORE OF A BOW CONFIGURATION TWD 06Z AND AFT WITH HIGH WINDS THE
STRONGER THREAT. CELL MVMT LKLY TO BE AT LEAST 50 KTS...HOWEVER
WITH THE SYS BEING MORE OF A QLCS INSTEAD OF DISCRETE
SYS...TRAINING MAY PRODUCE COPIOUS AMTS OF RAFL. ERN IA MAY YET BE
UNDER THE GUN ERY FRI...BUT WX SHOULD BE QUIET BY LATER FRI INTO
SAT MRNG. NEXT ROUND EXPECTED BY LATER SAT AFTN INTO SAT NGT WITH
ANOTHER SVR ROUND QUITE LKLY. PTRN SEEMS LIKE A BROKEN RECORD WITH
NEXT SYS MOVG INTO THE CENTRAL CONUS BY MON. FFA REMAINS FOR TNGT
INT FRI MRNG AND IT LOOKS LKLY THAT RAFL TNGT WILL AGGRIVATE
FLOODING SITUATION.

&&

AVIATION 06/00Z...
SEVERE WEATHER OUTBREAK IS LIKELY FROM MID EVENING THROUGH THE
OVERNIGHT HOURS. CONVECTION SHOULD INITIATE IN WESTERN IOWA THEN
MOVE EAST ACROSS IOWA DURING THE EVENING AND OVERNIGHT.
CURRENTLY...EXPECTATIONS ARE FOR DISCRETE SUPERCELLS TO MOVE ACROSS
THE WESTERN/CENTRAL TAF SITES THROUGH 06Z WITH POTENTIAL FOR WIND
GUSTS TO 50 KTS OR HIGHER...LOW VSBYS...AND VERY HEAVY RAINFALL.
STORMS WILL TRANSITION TO WIND GENERATING STRUCTURES THROUGH 12 TO
13Z EAST...WITH SIMILAR POTENTIAL FOR SVR WINDS...LOW VSBYS...AND
HEAVY RAINFALL. TIMING OF EVENTS IN TAF...EXPECT DRYLINE/FRONT TO
MOVE EAST BY MID MORNING FRIDAY RESULTING IN VFR CIGS...BUT
CONTINUED GUSTY SFC WINDS WITH WINDS TO 40 KTS FRIDAY MORNING./REV

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH FRIDAY MORNING FOR ADAIR-ADAMS-AUDUBON-
BOONE-CALHOUN-CARROLL-CASS-CERRO GORDO-CLARKE-CRAWFORD-DALLAS-
DECATUR-EMMET-FRANKLIN-GREENE-GUTHRIE-HAMILTON-HANCOCK-HARDIN-
HUMBOLDT-KOSSUTH-MADISON-PALO ALTO-POCAHONTAS-POLK-RINGGOLD-SAC-
STORY-TAYLOR-UNION-WARREN-WEBSTER-WINNEBAGO-WORTH-WRIGHT.

FLASH FLOOD WATCH FROM 10 PM CDT THIS EVENING THROUGH FRIDAY
MORNING FOR APPANOOSE-BLACK HAWK-BREMER-BUTLER-DAVIS-GRUNDY-
JASPER-LUCAS-MAHASKA-MARION-MARSHALL-MONROE-POWESHIEK-TAMA-
WAPELLO-WAYNE.

&&

MS JUN 08/REV

In the hours before

Local storm report, Jun 5, 10:58 PM CDT, 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1058 PM CDT THU JUN 05 2008

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

1056 PM     FLASH FLOOD      SW EAST PERU            41.22N 93.93W
06/05/2008                   MADISON            IA   LAW ENFORCEMENT

            FLASH FOODING OF CLANTON CREEK.

&&

MDR/BSS

Local storm report, Jun 5, 11:00 PM CDT, 55 minutes before

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Local storm report, Jun 5, 11:22 PM CDT, 33 minutes before

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Local storm report, Jun 5, 11:40 PM CDT, 15 minutes before

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Local storm report, Jun 5, 11:51 PM CDT, 4 minutes before

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Local storm report, Jun 5, 11:53 PM CDT, 2 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
Jun 5, 7:40 PM CDT	Flash Flood Warning	DMX	Adams, Cass	6 hr
Jun 5, 8:00 PM CDT	Tornado Warning	DMX	Adair, Adams, Cass	34 min
Jun 5, 8:25 PM CDT	Tornado Warning	DMX	Adair, Audubon, Cass, Guthrie	36 min
Jun 5, 8:27 PM CDT	Tornado Warning	DMX	Taylor	48 min
Jun 5, 8:30 PM CDT	Flash Flood Warning	DMX	Adair, Adams, Taylor	6 hr
Jun 5, 9:05 PM CDT	Tornado Warning	DMX	Adams, Ringgold, Union	40 min
Jun 5, 9:09 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Union	51 min
Jun 5, 9:15 PM CDT	Flash Flood Warning	DMX	Ringgold, Union	6 hr
Jun 5, 9:17 PM CDT	High Wind Warning	DMX	Calhoun, Emmet, Palo Alto, Pocahontas, Sac	4 hr
Jun 5, 9:37 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Clarke, Madison, Union	38 min
Jun 5, 10:01 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	44 min
Jun 5, 10:12 PM CDT	Tornado Warning	DMX	Dallas, Polk	21 min
Jun 5, 10:13 PM CDT	River Flood Warning	DMX	Appanoose, Wayne	19 hr
Jun 5, 11:00 PM CDT	Flash Flood Warning	DMX	Adair, Clarke, Madison, Warren	5 hr
Jun 5, 11:14 PM CDT	Flash Flood Warning	DMX	Boone, Dallas, Polk, Story	6 hr
Jun 5, 11:22 PM CDT	Tornado Warning	DMX	Decatur, Ringgold	23 min
Jun 5, 11:30 PM CDT	Flash Flood Warning	DMX	Decatur	4 hr
Jun 5, 11:42 PM CDT	Tornado Warning	DMX	Clarke	33 min
Jun 5, 11:44 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	31 min
Jun 5, 11:57 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Wayne	48 min
Jun 6, 12:02 AM CDT	Tornado Warning	DMX	Marion, Warren	43 min
Jun 6, 12:20 AM CDT	Severe Thunderstorm Warning	DMX	Marion, Warren	40 min
Jun 6, 12:32 AM CDT	Tornado Warning	DMX	Jasper	28 min
Jun 6, 12:46 AM CDT	River Flood Warning	DMX	Polk	28 hr
Jun 6, 12:47 AM CDT	Severe Thunderstorm Warning	DMX	Marshall	43 min
Jun 6, 12:50 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	40 min
Jun 6, 12:55 AM CDT	Flash Flood Warning	DMX	Warren	3 hr
Jun 6, 12:59 AM CDT	Tornado Warning	DMX	Jasper, Marshall, Poweshiek, Tama	46 min
Jun 6, 1:08 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy, Tama	52 min
Jun 6, 1:21 AM CDT	River Flood Warning	DMX	Taylor	5 hr
Jun 6, 1:21 AM CDT	Tornado Warning	DMX	Poweshiek, Tama	24 min
Jun 6, 1:26 AM CDT	Tornado Warning	DMX	Black Hawk, Tama	34 min
Jun 6, 1:36 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	39 min
Jun 6, 3:50 AM CDT	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	12 hr
Jun 6, 3:56 AM CDT	Areal Flood Warning	DMX	Madison	20 hr
Jun 6, 4:13 AM CDT	Areal Flood Warning	DMX	Warren	15 hr
Jun 6, 5:03 AM CDT	Areal Flood Warning	DMX	Polk	6 hr
Jun 6, 5:08 AM CDT	Areal Flood Warning	DMX	Story	6 hr
Jun 6, 11:08 AM CDT	Areal Flood Warning	DMX	Polk	6 hr
Jun 6, 11:13 AM CDT	Areal Flood Warning	DMX	Story	24 hr

Nearby

River Flood Warnings in Iowa, 2008 Every river flood warning in 2008

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.