Alert archive / Iowa / River Flood Warnings in 2019

River Flood Warning 43, NWS Des Moines, IA

May 17, 2019Davis County, Wapello County, Iowa

NWS Des Moines, IA issued this river flood warning at May 17, 2019, 10:35 AM CDT for Davis County, Wapello County, Iowa. It took effect at May 17, 2019, 5:17 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: May 17, 2019, 10:35 AM CDT (15:35 UTC)
In effect from: May 17, 2019, 5:17 PM CDT
Expired: May 18, 2019, 2:30 AM CDT
In force: 9 hr
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Davis County, IA, Wapello County, IA

The radar

The Des Moines radar (KDMX), 144 km from the middle of the area, began a volume at 15:38 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 Des Moines River at Ottumwa (OTMI4).

Action stage: 9 ft
Minor stage: 13 ft
Moderate stage: 15 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05489500, 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 May 17, 6:49 AM CDT, 3 hours 46 minutes earlier.

Area forecast discussion, May 17, 6:49 AM CDT, 3 hours 46 minutes before

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Hazardous weather outlook, May 17, 4:11 AM CDT, 6 hours 24 minutes before

Hazardous Weather Outlook
National Weather Service Des Moines IA
411 AM CDT Fri May 17 2019

IAZ004-180915-
Emmet-
411 AM CDT Fri May 17 2019

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

A River Flood Warning is in effect for the area. Please refer to
the National Weather Service website at weather.gov/desmoines for
further details.

Periods of thunderstorms are forecast today and tonight. Storms
are not expected to be severe this morning. There is a slight risk
for storms from late afternoon through tonight to be severe with
large hail and damaging wind the threats. Locally heavy rainfall
is also possible with storms.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Periods of thunderstorms are forecast Saturday through Sunday
then again Tuesday through Thursday. There is a slight risk for
severe storms Saturday with large hail and damaging wind the main
threats though an isolated tornado cannot be ruled out. Additional
chances for severe storms will be possible through the
period...especially Tuesday. Details on timing, location and
specific threats will be defined in the coming days. Locally heavy
rainfall will be possible with storms.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed periodically during the period.

IAZ005>007-016-017-024>028-035>039-046>050-057>062-070>075-
081>086-092>097-180915-
Kossuth-Winnebago-Worth-Hancock-Cerro Gordo-Humboldt-Wright-
Franklin-Butler-Bremer-Webster-Hamilton-Hardin-Grundy-Black Hawk-
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-
411 AM CDT Fri May 17 2019

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

Periods of thunderstorms are forecast today and tonight. Storms
are not expected to be severe this morning. There is a marginal
risk for storms from late afternoon through tonight to be severe
with large hail and strong wind the threats. Locally heavy
rainfall will be possible with storms.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Periods of thunderstorms are forecast Saturday through Sunday
then again Tuesday through Thursday. There is a slight risk for
severe storms Saturday with large hail and damaging wind the main
threats though an isolated tornado cannot be ruled out. Additional
chances for severe storms will be possible through the
period...especially Tuesday. Details on timing, location and
specific threats will be defined in the coming days. Locally heavy
rainfall will be possible with storms.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed periodically during the period.

IAZ015-023-033-034-044-045-180915-
Palo Alto-Pocahontas-Sac-Calhoun-Crawford-Carroll-
411 AM CDT Fri May 17 2019

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

Periods of thunderstorms are forecast today and tonight. Storms
are not expected to be severe this morning. There is a slight risk
for storms from late afternoon through tonight to be severe with
large hail and damaging wind the threats. Locally heavy
rainfall will be possible with storms.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Periods of thunderstorms are forecast Saturday through Sunday
then again Tuesday through Thursday. There is a slight risk for
severe storms Saturday with large hail and damaging wind the main
threats though an isolated tornado cannot be ruled out. Additional
chances for severe storms will be possible through the
period...especially Tuesday. Details on timing, location and
specific threats will be defined in the coming days. Locally heavy
rainfall will be possible with storms.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed periodically during the period.

FAB

In the hours before

Local storm report, May 17, 9:10 AM CDT, 1 hour 25 minutes before

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Local storm report, May 17, 9:11 AM CDT, 1 hour 24 minutes before

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Local storm report, May 17, 9:44 AM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
944 AM CDT FRI MAY 17 2019

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

0944 AM     HEAVY RAIN       1 E URBANDALE           41.64N 93.72W
05/17/2019  E2.75 INCH       POLK               IA   TRAINED SPOTTER

            OVER THE PAST 24 HOURS.

&&

AK

Local storm report, May 17, 10:14 AM CDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1014 AM CDT FRI MAY 17 2019

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

0800 AM     HEAVY RAIN       1 ENE INDIANOLA         41.37N 93.55W
05/17/2019  E3.22 INCH       WARREN             IA   CO-OP OBSERVER

            24 HOUR TOTAL.

&&

AK

Local storm report, May 17, 10:15 AM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
1015 AM CDT FRI MAY 17 2019

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

0904 AM     HEAVY RAIN       3 SE WAUKEE             41.58N 93.82W
05/17/2019  E2.38 INCH       DALLAS             IA   TRAINED SPOTTER

            0700 THURS 0900 FRI.

0540 AM     HEAVY RAIN       1 SE LAMBS GROVE        41.69N 93.07W
05/17/2019  E2.25 INCH       JASPER             IA   TRAINED SPOTTER

            RAINFALL SINCE 2030 THURSDAY NIGHT.

0849 PM     HAIL             1 E LAMBS GROVE         41.70N 93.07W
05/16/2019  E1.25 INCH       JASPER             IA   TRAINED SPOTTER

            VIA SOCIAL MEDIA REPORT.

0700 AM     HEAVY RAIN       6 NNE OSKALOOSA         41.37N 92.60W
05/17/2019  E2.03 INCH       MAHASKA            IA   COCORAHS

            24 HOUR TOTAL.

0700 AM     HEAVY RAIN       6 SSE NEW SHARON        41.39N 92.60W
05/17/2019  E2.20 INCH       MAHASKA            IA   COCORAHS

            24 HOUR TOTAL.

0803 PM     HAIL             MELBOURNE               41.94N 93.10W
05/16/2019  E1.00 INCH       MARSHALL           IA   PUBLIC

            VIA SOCIAL MEDIA REPORT.

0746 PM     HAIL             1 SW MARSHALLTOWN       42.03N 92.92W
05/16/2019  E1.00 INCH       MARSHALL           IA   TRAINED SPOTTER

            PEA, NICKELS, AND A FEW QUARTERS VIA SOCIAL
            MEDIA.

0944 AM     HEAVY RAIN       1 E URBANDALE           41.64N 93.72W
05/17/2019  E2.75 INCH       POLK               IA   TRAINED SPOTTER

            OVER THE PAST 24 HOURS.

0700 AM     HEAVY RAIN       2 NNE WINDSOR HEIGHTS   41.63N 93.69W
05/17/2019  E2.26 INCH       POLK               IA   COCORAHS

            0700 THURS 0700 FRI.

0700 AM     HEAVY RAIN       3 S SAYLORVILLE         41.64N 93.62W
05/17/2019  E2.00 INCH       POLK               IA   COCORAHS

            24 HOUR TOTAL.

0930 PM     HAIL             4 ENE WINDSOR HEIGHTS   41.63N 93.65W
05/16/2019  E1.00 INCH       POLK               IA   PUBLIC

            PUBLIC REPORTED QUARTER SIZED HAIL VIA
            SOCIAL MEDIA WITH PICTURE.

0900 PM     HAIL             3 E URBANDALE           41.64N 93.69W
05/16/2019  E1.25 INCH       POLK               IA   PUBLIC

            PUBLIC REPORTED HALF DOLLAR SIZED HAIL.
            REPORT VIA SOCIAL MEDIA WITH PICTURES.

0850 PM     HAIL             4 NE WINDSOR HEIGHTS    41.64N 93.66W
05/16/2019  E1.00 INCH       POLK               IA   PUBLIC

            PICTURE VIA SOCIAL MEDIA.

0735 PM     HAIL             2 NE WINDSOR HEIGHTS    41.63N 93.68W
05/16/2019  E1.00 INCH       POLK               IA   PUBLIC

            VIA SOCIAL MEDIA REPORT.

0800 AM     HEAVY RAIN       1 ENE INDIANOLA         41.37N 93.55W
05/17/2019  E3.22 INCH       WARREN             IA   CO-OP OBSERVER

            24 HOUR TOTAL.

0700 AM     HEAVY RAIN       1 SW INDIANOLA          41.35N 93.58W
05/17/2019  E2.80 INCH       WARREN             IA   TRAINED SPOTTER

            BETWEEN 2300 THURS AND 0700 FRI.

&&

Local storm report, May 17, 10:19 AM CDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1019 AM CDT FRI MAY 17 2019

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

0830 AM     HEAVY RAIN       1 N WAUKEE              41.62N 93.86W
05/17/2019  E3.10 INCH       DALLAS             IA   TRAINED SPOTTER

&&

AK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 7:15 PM CDT	Severe Thunderstorm Warning	DMX	Hardin, Marshall, Story	45 min
May 16, 7:21 PM CDT	Severe Thunderstorm Warning	DMX	Marshall, Story	54 min
May 16, 7:31 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk	44 min
May 16, 7:39 PM CDT	Severe Thunderstorm Warning	DMX	Poweshiek, Tama	66 min
May 16, 7:42 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Guthrie	63 min
May 16, 7:46 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	44 min
May 16, 7:53 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall	37 min
May 16, 8:02 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Poweshiek	58 min
May 16, 8:04 PM CDT	Severe Thunderstorm Warning	DMX	Tama	32 min
May 16, 8:09 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Greene, Guthrie	42 min
May 16, 8:16 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion, Polk	44 min
May 16, 8:22 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	53 min
May 16, 8:23 PM CDT	Severe Thunderstorm Warning	DMX	Poweshiek	37 min
May 16, 8:31 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Guthrie	59 min
May 16, 8:58 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Poweshiek	37 min
May 16, 9:02 PM CDT	Special Weather Statement	DMX	Jasper, Polk	58 min
May 16, 9:15 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	60 min
May 16, 9:44 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	46 min
May 16, 10:07 PM CDT	Severe Thunderstorm Warning	DMX	Marion, Warren	38 min
May 16, 10:32 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion, Monroe, Wapello	43 min
May 17, 4:04 PM CDT	Special Weather Statement	DMX	Marshall, Tama	41 min
May 17, 4:39 PM CDT	Special Weather Statement	DMX	Marshall	51 min
May 17, 4:57 PM CDT	Special Weather Statement	DMX	Marshall	33 min
May 17, 5:13 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall	32 min

Nearby

River Flood Warnings in Iowa, 2019 Every river flood warning in 2019

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.