Alert archive / Iowa / Flash Flood Watches in 2019

Flash Flood Watch 9, NWS Quad Cities, IA

May 29, 201910 counties in Iowa; 9 counties in Illinois; Clark County, Missouri

NWS Quad Cities, IA issued this flash flood watch at May 29, 2019, 3:08 PM CDT for 10 counties in Iowa; 9 counties in Illinois; Clark County, Missouri. It took effect at May 29, 2019, 6:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 29, 2019, 3:08 PM CDT (20:08 UTC)
In effect from
May 29, 2019, 6:00 PM CDT
Expired
May 30, 2019, 2:47 AM CDT
In force
9 hr
Issued by
NWS Quad Cities, IA
Flood severity
None

Counties Cedar County, IA, Clinton County, IA, Des Moines County, IA, Henry County, IA, Jackson County, IA, Jones County, IA, Lee County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, McDonough County, IL, Mercer County, IL, Rock Island County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO

The radar

The Quad Cities radar (KDVN), 43 km from the middle of the area, began a volume at 20:10 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 nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.1 hours before the alert went out and 48 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 2019-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2019-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
630 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this flash flood watch went out at May 29, 2:56 PM CDT, 12 minutes earlier.

Area forecast discussion, May 29, 2:56 PM CDT, 12 minutes before
Area Forecast Discussion
National Weather Service Quad Cities IA IL
256 PM CDT Wed May 29 2019

.SYNOPSIS...
Issued at 255 PM CDT Wed May 29 2019

18Z surface data has a weak low between KDSM and KAIO. A frontal
boundary runs east southeast from the low across southern Iowa and
into central Illinois. Dew points were in the 40s and 50s from the
Great Lakes into the northern Plains. Near and south of the frontal
boundary dew points were in the 60s and 70s.

&&

.SHORT TERM...(This Evening through Thursday)
ISSUED AT 255 PM CDT Wed May 29 2019

Will be hoisting a new flash flood watch for tonight. The risk area
is thoroughly saturated and even 0.5 inches of water has the
potential to create significant problems. The areal coverage may or
may not change as storms evolve tonight.

Considerable cloud cover during the day may prevent convection from
developing prior to sunset. Any convection that does develop will be
isolated in nature.

Tonight the weak low in central Iowa will slowly move east southeast
as an upper level disturbance moves north from the Plains. The
combination of these features will allow thunderstorms to develop
that will organize into another storm complex with the best chances
of rain along and east of the Mississippi.

Last night large scale features dominated the production of heavy
rain. Tonight storm scale processes will dominate. Thus the area of
heavy rainfall will be much smaller. Storms tonight will have the
potential to produce 1 to possibly 1.5 inches of rain in a more
localized area.

Late tonight rain will slowly end from west to east with most areas
west of the Mississippi dry by sunrise.

Thursday morning areal coverage of the rain will continue to
decrease during the morning hours. By late morning and during the
afternoon an upper level low will slowly move across the area. This
upper low is expected to generate new convection during the
afternoon hours.

.LONG TERM...(Thursday Night through Wednesday)
ISSUED AT 255 PM CDT Wed May 29 2019

The extreme active weather will have a break from Thursday night
through Friday, as a warm airmass spreads into the region, and flow
aloft transitions to northwest flow. After a mainly clear night in
the mid to upper 50s, Friday appears deeply mixed, and warm.  Highs
with dry ground could easily have topped 90 in that pattern, but
with such incredibly wet soils, will go under this potential, with
lower to mid 80s. Friday night, and Saturday, northwest flow will
bring the threat for showers and thunderstorms, but these should be
quick movers and offer much less of a heavy rain threat. Pending
coverage tonight, this could offer an isolated heavy rain threat,
but may also be benign.

The remainder of the forecast is mainly dry, but with low
confidence. Northwest flow any time of year will bring fast moving
chances for rain, that are not widespread in the region, thus pops
tend to be low until we know timing and path. That can be said for
the period from Saturday through Wednesday. Highs will average near
to below normal, with good drying potential outside of rain chances.
For some, this could be week that may allow for some field work.

&&

.AVIATION...(For the 18Z TAFS through 18Z Thursday Afternoon)
ISSUED AT 1240 PM CDT Wed May 29 2019

A frontal boundary remains across southern Iowa east into central
Indiana. North of the boundary MVFR conditions were widespread
with some pockets of VFR. MVFR/VFR conditions will persist through
through 02z/30 with isolated TSRA/SHRA developing. After 02z/30
the next storm system will move into the Great Lakes creating
widespread MVFR conditions with areas of IFR with SHRA/TSRA.
After 12z/30 conditions will slowly improve to MVFR/VFR with rain
ending.

&&

.HYDROLOGY...
Issued at 1127 AM CDT Wed May 29 2019

Extremely heavy and widespread rain fell in the past 24 hours,
resulting in significant rises on virtually all area rivers. This
was forecast, but is normal for excessive rain events, there was a
stripe of heavy rain that exceeded the smoothed out forecast
rainfall, which in this case fell between Highway 30 and Highway
34 in Iowa and Illinois. Flash flooding was widespread, and
continues as areal flooding in some locations. This will be the
case until water reaches into rivers. As time goes on, the areal
flooding will be more spotty.

That said, there remains shower and thunderstorm potential into
tonight. Depending on the coverage of storms, another heavy rain
stripe is possible along and east of the Mississippi River
tonight. If that falls into the Rock River basin, this would
increase the flood crest there, and possibly cause higher crest on
the Mississippi River in the Quad Cities through Muscatine.

Yesterday's rain and earlier rains have brought Major flooding to
the Des Moines River from Keosaqua through St. Francisville. That
input combined with local flash flood run off to bring a rapid
rise (continuing through now), on the Mississippi River from
Burlington through Keokuk and Gregory Landing. As the Des Moines
River falls tomorrow, the decreasing input should result in a flat
crest in that area. The inputs upstream from routed water are
significant, but the decreasing Des Moines will limit the rises
after today.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...Flash Flood Watch from 6 PM CDT this evening through Thursday
     morning for Des Moines-Henry IA-Lee-Louisa-Muscatine-Scott.

IL...Flash Flood Watch from 6 PM CDT this evening through Thursday
     morning for Hancock-Henderson-Henry IL-McDonough-Mercer-
     Rock Island-Warren-Whiteside.

MO...Flash Flood Watch from 6 PM CDT this evening through Thursday
     morning for Clark.

&&

SYNOPSIS...08
SHORT TERM...08
LONG TERM...Ervin
AVIATION...08
HYDROLOGY...Ervin
Hazardous weather outlook, May 29, 8:47 AM CDT, 6 hours 21 minutes before
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
847 AM CDT Wed May 29 2019

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-301400-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
847 AM CDT Wed May 29 2019

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Thunderstorms are expected late this afternoon and tonight.

The Storm Prediction Center has a slight risk of severe storms
mainly south of a line from Kirksville, Missouri to Sterling,
Illinois. North of this line there is a marginal risk of severe
storms.

If severe storms develop the primary risks would be damaging winds
and large hail. The most likely time frame would be 5 to 11 PM.

Area rivers are experiencing flooding. Please see the
latest Flood Statements and Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

While flooding will continue through the period, no significant
hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon and evening
south of a line from Kirksville, Missouri to Sterling, Illinois.

In the hours before

Local storm report, May 29, 9:34 AM CDT, 5 hours 34 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Local storm report, May 29, 9:49 AM CDT, 5 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
949 AM CDT WED MAY 29 2019

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

0614 PM     FLASH FLOOD      BATAVIA                 41.00N 92.17W
05/28/2019                   JEFFERSON          IA   PUBLIC

            PUBLIC SENT US PICTURES OF WATER OUT OF THE
            BANKS OF A CREEK IN BATAVIA RUNNING DOWN
            AREA ROADS.

0730 PM     FLASH FLOOD      FARMINGTON              40.64N 91.75W
05/28/2019                   VAN BUREN          IA   TRAINED SPOTTER

            SPOTTER REPORTED WATER QUICKLY FLOWING OVER
            HIGHWAY 2 IN FARMINGTON.

0741 PM     FLASH FLOOD      MOLINE                  41.49N 90.49W
05/28/2019                   ROCK ISLAND        IL   BROADCAST MEDIA

            FLASH FLOODING ON RIVER DRIVE BY THE
            TAXSLAYER CENTER. VIA FACEBOOK LIVE.

0747 PM     FLASH FLOOD      1 NE BEAVERDALE         40.87N 91.20W
05/28/2019                   DES MOINES         IA   EMERGENCY MNGR

            RELAYED INFORMATION FROM TRAINED SPOTTERS
            REPORTING WATER OVER FLINT BOTTOM RD
            AFFECTING FLINT CREEK BRIDGE.

0754 PM     FLASH FLOOD      2 WSW CORALVILLE        41.68N 91.64W
05/28/2019                   JOHNSON            IA   MESONET

            IFC GAUGE FOR DEER CREEK IN IOWA CITY ROSE
            TO MODERATE FLOOD STAGE IN HEAVY RAIN.

0800 PM     FLASH FLOOD      1 SE OXFORD             41.71N 91.78W
05/28/2019                   JOHNSON            IA   MESONET

            IFC RIVER GAUGE ALONG CLEAR CREEK ON
            CHAMBERS AVE NW RISING ABOVE MINOR FLOOD
            STAGE DUE TO HEAVY RAIN.

0802 PM     FLASH FLOOD      4 SSE PARNELL           41.53N 91.99W
05/28/2019                   IOWA               IA   MESONET

            IFC RIVER GAUGE ALONG NORTH ENGLISH RIVER
            OWEST OF Q AVENUE RISING ABOVE FLOOD STAGE
            DUE TO HEAVY RAIN.

0803 PM     FLASH FLOOD      3 NE KINROSS            41.49N 91.94W
05/28/2019                   WASHINGTON         IA   MESONET

            IFC RIVER GAUGE ALONG SOUTH ENGLISH RIVER
            EAST OF 338TH AVE RISING ABOVE FLOOD STAGE
            DUE TO HEAVY RAIN.

0830 PM     FLASH FLOOD      MACOMB                  40.47N 90.68W
05/28/2019                   MCDONOUGH          IL   PUBLIC

            BROADCAST MEDIA SHARED A PUBLIC VIDEO
            SHOWING WIDESPREAD FLASH FLOODING IN THE
            CITY OF MACOMB.

0830 PM     FLASH FLOOD      1 SW MACOMB             40.46N 90.70W
05/28/2019                   MCDONOUGH          IL   911 CALL CENTER

            HIGHWAY 136 NEAR MACOMB TEMPORARILY CLOSED
            WITH OVER 2 FEET OF WATER.

0430 PM     HAIL             MILTON                  40.67N 92.16W
05/28/2019  M0.75 INCH       VAN BUREN          IA   TRAINED SPOTTER

0504 PM     HAIL             3 W MOUNT STERLING      40.62N 92.00W
05/28/2019  E0.25 INCH       VAN BUREN          IA   TRAINED SPOTTER

            ALSO TORRENTIAL RAINFALL. VISIBILITY LESS
            THAN 1/10TH MILE AT TIMES.

0550 PM     HAIL             MOUNT PLEASANT          40.97N 91.55W
05/28/2019  M0.70 INCH       HENRY              IA   TRAINED SPOTTER

0557 PM     HAIL             1 NW MOUNT PLEASANT     40.97N 91.56W
05/28/2019  M0.25 INCH       HENRY              IA   TRAINED SPOTTER

0658 PM     HAIL             3 SSW NEW LONDON        40.89N 91.43W
05/28/2019  E0.75 INCH       HENRY              IA   TRAINED SPOTTER

            VERY HEAVY RAIN ALSO.

0714 PM     HAIL             2 W WEST BURLINGTON     40.83N 91.21W
05/28/2019  E0.88 INCH       DES MOINES         IA   EMERGENCY MNGR

0747 PM     TSTM WND DMG     ROSEVILLE               40.73N 90.66W
05/28/2019                   WARREN             IL   PUBLIC

            REPORT OF POWER LINES DOWN IN ROSEVILLE.
            TIME OF THE EVENT WAS ESTIMATED USING RADAR.

0654 PM     TSTM WND GST     N NEW LONDON            40.95N 91.41W
05/28/2019  E60 MPH          HENRY              IA   TRAINED SPOTTER

            TRAINED SPOTTER ESTIMATED WIND SPEEDS OF 50
            TO 60 MPH.

0707 PM     TSTM WND GST     MIDDLETOWN              40.83N 91.27W
05/28/2019  E50 MPH          DES MOINES         IA   TRAINED SPOTTER

            ALSO PEA SIZED HAIL.

0708 PM     TSTM WND GST     FRANKLIN                40.67N 91.51W
05/28/2019  E60 MPH          LEE                IA   TRAINED SPOTTER

            ALSO PEA HAIL AND VERY HEAVY RAIN.

0714 PM     TSTM WND GST     BURLINGTON              40.81N 91.12W
05/28/2019  E55 MPH          DES MOINES         IA   TRAINED SPOTTER

            WINDS OVER 50 MPH.

0714 PM     TSTM WND GST     2 W WEST BURLINGTON     40.83N 91.21W
05/28/2019  E65 MPH          DES MOINES         IA   EMERGENCY MNGR

            WINDS AT LEAST 65 MPH WITH ZERO VISIBILITY.

0715 PM     TSTM WND GST     1 WSW BURLINGTON        40.80N 91.14W
05/28/2019  E50 MPH          DES MOINES         IA   TRAINED SPOTTER

            WINDS POSSIBLY GREATER THAN 50 MPH. PEA HAIL
            AND VERY HEAVY RAIN.

0719 PM     TSTM WND GST     1 S BURLINGTON REGIONAL 40.77N 91.13W
05/28/2019  M68 MPH          DES MOINES         IA   ASOS

            ASOS STATION KBRL BURLINGTON ARPT.

0500 AM     HEAVY RAIN       1 ESE BURLINGTON REGION 40.77N 91.12W
05/29/2019  M2.41 INCH       DES MOINES         IA   CO-OP OBSERVER

            CO-OP OBSERVER STATION BLGI4 BURLINGTON 2S.

0530 AM     HEAVY RAIN       2 SSE DAVENPORT         41.53N 90.59W
05/29/2019  M2.13 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-4 DAVENPORT 0.9 SSW.

0700 AM     HEAVY RAIN       ALEXIS                  41.06N 90.57W
05/29/2019  M2.90 INCH       WARREN             IL   CO-OP OBSERVER

            CO-OP OBSERVER STATION ALXI2 ALEXIS.

0700 AM     HEAVY RAIN       2 WSW BETTENDORF        41.55N 90.51W
05/29/2019  M2.00 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-28 BETTENDORF 1.6
            WSW.

0700 AM     HEAVY RAIN       CAMANCHE                41.80N 90.28W
05/29/2019  M2.08 INCH       CLINTON            IA   COCORAHS

            COCORAHS STATION IA-CN-5 CAMANCHE 1.2 W.

0700 AM     HEAVY RAIN       1 SSE CANTRIL           40.63N 92.06W
05/29/2019  M2.80 INCH       VAN BUREN          IA   COCORAHS

            COCORAHS STATION IA-VB-11 CANTRIL 0.9 SSE.

0700 AM     HEAVY RAIN       4 NW ELIZA              41.34N 91.01W
05/29/2019  M2.66 INCH       ROCK ISLAND        IL   COCORAHS

            COCORAHS STATION IL-RI-22 ILLINOIS CITY 6.7
            SW.

0700 AM     HEAVY RAIN       2 NNW WILLIAMSTOWN      41.59N 91.75W
05/29/2019  M2.00 INCH       JOHNSON            IA   COCORAHS

            COCORAHS STATION IA-JH-9 KALONA 7.3 NNW.

0700 AM     HEAVY RAIN       2 N MUSCATINE           41.45N 91.07W
05/29/2019  M2.08 INCH       MUSCATINE          IA   COCORAHS

            COCORAHS STATION IA-MC-13 MUSCATINE 2.1 N.

0700 AM     HEAVY RAIN       1 SSE NAUVOO            40.54N 91.38W
05/29/2019  M2.21 INCH       HANCOCK            IL   COCORAHS

            COCORAHS STATION IL-HN-5 NAUVOO 0.7 SSE.

0700 AM     HEAVY RAIN       1 SW NEW LONDON         40.91N 91.43W
05/29/2019  M3.08 INCH       HENRY              IA   COCORAHS

            COCORAHS STATION IA-HY-1 NEW LONDON 1.5 SW.

0700 AM     HEAVY RAIN       WAPELLO                 41.17N 91.19W
05/29/2019  M3.19 INCH       LOUISA             IA   COCORAHS

            COCORAHS STATION IA-LS-3 WAPELLO 0.2 S.

0700 AM     HEAVY RAIN       3 ESE AMBER             41.11N 91.13W
05/29/2019  M2.87 INCH       LOUISA             IA   COCORAHS

            COCORAHS STATION IA-LS-5 WAPELLO 5.4 SE.

0700 AM     HEAVY RAIN       1 NNW WEST LIBERTY      41.58N 91.27W
05/29/2019  M2.08 INCH       MUSCATINE          IA   COCORAHS

            COCORAHS STATION IA-MC-15 WEST LIBERTY 0.7
            NNW.

0700 AM     HEAVY RAIN       WOODHULL                41.18N 90.32W
05/29/2019  M2.00 INCH       HENRY              IL   COCORAHS

            COCORAHS STATION IL-HY-11 WOODHULL 0.3 ESE.

0730 AM     HEAVY RAIN       MEMPHIS                 40.46N 92.17W
05/29/2019  M3.45 INCH       SCOTLAND           MO   COCORAHS

            COCORAHS STATION MO-FSA-199 MEMPHIS 0.1 S.

0730 AM     HEAVY RAIN       3 NNE MUSCATINE         41.45N 91.06W
05/29/2019  M2.14 INCH       MUSCATINE          IA   COCORAHS

            COCORAHS STATION IA-MC-6 MUSCATINE 2.6 NNE.

0800 AM     HEAVY RAIN       MONMOUTH                40.91N 90.65W
05/29/2019  M2.90 INCH       WARREN             IL   COCORAHS

            COCORAHS STATION IL-WR-5 , IL.

0800 AM     HEAVY RAIN       1 NNW ALEDO             41.21N 90.75W
05/29/2019  M2.39 INCH       MERCER             IL   COCORAHS

            COCORAHS STATION IL-MR-7 ALEDO 0.7 NNW.

0800 AM     HEAVY RAIN       1 S CORALVILLE          41.67N 91.60W
05/29/2019  M2.06 INCH       JOHNSON            IA   COCORAHS

            COCORAHS STATION IA-JH-20 CORALVILLE 1.4 S.

0830 AM     HEAVY RAIN       2 NNE LE CLAIRE         41.62N 90.35W
05/29/2019  M2.02 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-1 LE CLAIRE 1.8 NNE.

0907 AM     HEAVY RAIN       1 NE FARMINGTON         40.65N 91.72W
05/29/2019  M2.81 INCH       VAN BUREN          IA   MESONET

            MESONET STATION FRMI4 SHIMEK STATE FOREST.

0912 AM     HEAVY RAIN       3 W PLEASANT GROVE      40.97N 91.34W
05/29/2019  M2.85 INCH       DES MOINES         IA   MESONET

            MESONET STATION CW3742 NEW LONDON.

0919 AM     HEAVY RAIN       1 SW STRONGHURST        40.74N 90.91W
05/29/2019  M2.07 INCH       HENDERSON          IL   MESONET

            MESONET STATION CW6338 STRONGHURST.

0920 AM     HEAVY RAIN       1 E MUSCATINE           41.42N 91.05W
05/29/2019  M2.48 INCH       MUSCATINE          IA   MESONET

            MESONET STATION FW3897 MUSCATINE.

0922 AM     HEAVY RAIN       3 E IOWA CITY           41.65N 91.48W
05/29/2019  M1.96 INCH       JOHNSON            IA   MESONET

            MESONET STATION CW5749 IOWA CITY.

0634 AM     FLOOD            3 W MOUNT STERLING      40.62N 92.00W
05/29/2019                   VAN BUREN          IA   TRAINED SPOTTER

            JERSEY AVE CLOSED BY FOX RIVER BRIDGE IN
            EACH DIRECTION WITH APPROX 1-2 FT OF WATER.
            FOX RIVER WELL OUT OF ITS BANKS.

1044 AM     HAIL             WILTON                  41.59N 91.02W
05/28/2019  E0.25 INCH       MUSCATINE          IA   TRAINED SPOTTER

            .

0940 PM     HEAVY RAIN       BONAPARTE               40.70N 91.80W
05/28/2019  M3.00 INCH       VAN BUREN          IA   TRAINED SPOTTER

            TOTAL RAINFALL THIS EVENING AS OF 940 PM.

1204 AM     HEAVY RAIN       WEST BURLINGTON         40.83N 91.15W
05/29/2019  M2.60 INCH       DES MOINES         IA   TRAINED SPOTTER

            RAIN TOTAL FROM THIS EVENING, BUT STILL
            RAINING.

1218 AM     HEAVY RAIN       2 N KALONA              41.51N 91.71W
05/29/2019  M3.04 INCH       JOHNSON            IA   TRAINED SPOTTER

            RAINFALL SINCE TUESDAY MORNING.

0500 AM     HEAVY RAIN       2 NW GENESEO            41.47N 90.18W
05/29/2019  M2.18 INCH       HENRY              IL   COCORAHS

            COCORAHS STATION IL-HY-8 GENESEO 2.0 NW.

0515 AM     HEAVY RAIN       WAYLAND                 40.39N 91.58W
05/29/2019  M2.45 INCH       CLARK              MO   TRAINED SPOTTER

            RAINFALL TOTAL YESTERDAY.

0516 AM     HEAVY RAIN       DURANT                  41.60N 90.91W
05/29/2019  M2.25 INCH       CEDAR              IA   TRAINED SPOTTER

            EVENT TOTAL SINCE 10 AM TUESDAY.

0553 AM     HEAVY RAIN       PARNELL                 41.58N 92.01W
05/29/2019  M2.05 INCH       IOWA               IA   TRAINED SPOTTER

0559 AM     HEAVY RAIN       1 NW DAVENPORT          41.56N 90.62W
05/29/2019  E2.44 INCH       SCOTT              IA   TRAINED SPOTTER

0600 AM     HEAVY RAIN       2 NE COLUSA             40.59N 91.15W
05/29/2019  M2.35 INCH       HANCOCK            IL   TRAINED SPOTTER

0600 AM     HEAVY RAIN       1 SE DAVENPORT          41.54N 90.59W
05/29/2019  M2.27 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-37 DAVENPORT 0.9 WNW.

0600 AM     HEAVY RAIN       1 WSW MEMPHIS           40.46N 92.18W
05/29/2019  M3.27 INCH       SCOTLAND           MO   CO-OP OBSERVER

            CO-OP OBSERVER STATION MMPM7 MEMPHIS.

0600 AM     HEAVY RAIN       2 S PRAIRIE CITY        40.59N 90.46W
05/29/2019  M1.97 INCH       MCDONOUGH          IL   CO-OP OBSERVER

            CO-OP OBSERVER STATION PRCI2 PRAIRIE CITY.

0600 AM     HEAVY RAIN       3 W RICHMOND            41.46N 91.76W
05/29/2019  M1.97 INCH       WASHINGTON         IA   COCORAHS

            COCORAHS STATION IA-WS-7 WELLMAN 4.0 E.

0606 AM     HEAVY RAIN       1 SE DAVENPORT          41.54N 90.59W
05/29/2019  M2.27 INCH       SCOTT              IA   TRAINED SPOTTER

0614 AM     HEAVY RAIN       2 NNE CREDIT ISLAND     41.52N 90.60W
05/29/2019  M2.22 INCH       SCOTT              IA   TRAINED SPOTTER

0627 AM     HEAVY RAIN       3 ENE CHARLIE HEATH MEM 40.61N 91.84W
05/29/2019  M2.90 INCH       CLARK              MO   TRAINED SPOTTER

            EVENT TOTAL.

0630 AM     HEAVY RAIN       1 ENE RIVERDALE         41.54N 90.45W
05/29/2019  M2.23 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-8 BETTENDORF 2.2 SE.

0639 AM     HEAVY RAIN       1 NE FORT MADISON       40.64N 91.33W
05/29/2019  M2.30 INCH       LEE                IA   TRAINED SPOTTER

            24-HR TOTAL.

0639 AM     HEAVY RAIN       3 W MOUNT STERLING      40.62N 92.00W
05/29/2019  M3.20 INCH       VAN BUREN          IA   TRAINED SPOTTER

            SINCE 5 PM LAST EVENING.

0643 AM     HEAVY RAIN       COLUMBUS JUNCTION       41.28N 91.37W
05/29/2019  M1.90 INCH       LOUISA             IA   TRAINED SPOTTER

0650 AM     HEAVY RAIN       1 E REYNOLDS            41.34N 90.65W
05/29/2019  M2.09 INCH       ROCK ISLAND        IL   COCORAHS

            COCORAHS STATION IL-RI-17 MILAN 8.8 SSW.

0700 AM     HEAVY RAIN       ALEDO                   41.20N 90.75W
05/29/2019  M2.49 INCH       MERCER             IL   CO-OP OBSERVER

            CO-OP OBSERVER STATION ALEI2 ALEDO.

0700 AM     HEAVY RAIN       DONNELLSON              40.65N 91.56W
05/29/2019  M2.51 INCH       LEE                IA   CO-OP OBSERVER

            CO-OP OBSERVER STATION DNNI4 DONNELLSON.

0700 AM     HEAVY RAIN       1 NW ELDRIDGE           41.65N 90.59W
05/29/2019  M2.09 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-21 ELDRIDGE 0.6 S.

0700 AM     HEAVY RAIN       1 WNW MOLINE            41.49N 90.51W
05/29/2019  M2.34 INCH       ROCK ISLAND        IL   COCORAHS

            COCORAHS STATION IL-RI-18 MOLINE 1.0 WNW.

0700 AM     HEAVY RAIN       4 NNE MUSCATINE         41.47N 91.05W
05/29/2019  M2.13 INCH       MUSCATINE          IA   CO-OP OBSERVER

            CO-OP OBSERVER STATION MSTI4 2 N MUSCATINE.

0700 AM     HEAVY RAIN       3 SSW NICHOLS           41.44N 91.33W
05/29/2019  M2.09 INCH       MUSCATINE          IA   COCORAHS

            COCORAHS STATION IA-MC-11 NICHOLS 3.2 SSW.

0700 AM     HEAVY RAIN       PARK VIEW               41.69N 90.54W
05/29/2019  M2.23 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-3 PARK VIEW 0.2 WSW.

0700 AM     HEAVY RAIN       1 N RIVERDALE           41.54N 90.47W
05/29/2019  M2.20 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-42 RIVERDALE 0.5 N.

0700 AM     HEAVY RAIN       1 WNW ROSEVILLE         40.73N 90.67W
05/29/2019  M2.20 INCH       WARREN             IL   COCORAHS

            COCORAHS STATION IL-WR-2 ROSEVILLE 0.6 WNW.

0700 AM     HEAVY RAIN       1 ESE OASIS             41.70N 91.37W
05/29/2019  M2.44 INCH       JOHNSON            IA   COCORAHS

            COCORAHS STATION IA-CD-7 WEST BRANCH 2.0
            NNW.

0700 AM     HEAVY RAIN       2 SE WILLIAMSBURG       41.64N 91.98W
05/29/2019  M2.05 INCH       IOWA               IA   CO-OP OBSERVER

            CO-OP OBSERVER STATION WLBI4 1 E
            WILLIAMSBURG.

0700 AM     HEAVY RAIN       2 SW YARMOUTH           41.01N 91.35W
05/29/2019  M4.10 INCH       DES MOINES         IA   TRAINED SPOTTER

0702 AM     HEAVY RAIN       1 SSE BURLINGTON        40.80N 91.11W
05/29/2019  M2.59 INCH       DES MOINES         IA   COCORAHS

            COCORAHS STATION IA-DM-8 BURLINGTON 0.8 SSE.

0716 AM     HEAVY RAIN       3 W MOUNT STERLING      40.62N 92.00W
05/29/2019  M4.10 INCH       VAN BUREN          IA   TRAINED SPOTTER

0717 AM     HEAVY RAIN       FARMINGTON              40.63N 91.74W
05/29/2019  E3.25 INCH       VAN BUREN          IA   TRAINED SPOTTER

            24-HR TOTAL.

0731 AM     HEAVY RAIN       2 NNW OAKLAND MILLS     40.97N 91.63W
05/29/2019  M3.30 INCH       HENRY              IA   TRAINED SPOTTER

            STORM TOTAL.

0800 AM     HEAVY RAIN       1 NW ELDRIDGE           41.64N 90.59W
05/29/2019  M2.07 INCH       SCOTT              IA   COCORAHS

            COCORAHS STATION IA-ST-30 ELDRIDGE 0.7 SSW.

0800 AM     HEAVY RAIN       2 E MORNING SUN         41.10N 91.22W
05/29/2019  M4.62 INCH       LOUISA             IA   COCORAHS

            COCORAHS STATION IA-LS-2 MORNING SUN 1.7 E.

0815 AM     HEAVY RAIN       1 SE FAIRFIELD MUNICIPA 41.03N 91.97W
05/29/2019  M1.93 INCH       JEFFERSON          IA   AWOS

            AWOS STATION KFFL FAIRFIELD ARPT.

0824 AM     HEAVY RAIN       1 SE KILWINNING         40.50N 92.33W
05/29/2019  M4.30 INCH       SCOTLAND           MO   PUBLIC

            24-HR TOTAL, SEVERAL COUNTY ROADS CLOSED
            THROUGHOUT COUNTY. 5.60 INCHES IN PAST 48
            HOURS.

0825 AM     HEAVY RAIN       1 E MUSCATINE           41.42N 91.05W
05/29/2019  M2.48 INCH       MUSCATINE          IA   MESONET

            MESONET STATION FW3897 MUSCATINE.

0829 AM     HEAVY RAIN       1 SW STRONGHURST        40.74N 90.91W
05/29/2019  M2.07 INCH       HENDERSON          IL   MESONET

            MESONET STATION CW6338 STRONGHURST.

0810 PM     TSTM WND DMG     BUSHNELL                40.55N 90.51W
05/28/2019                   MCDONOUGH          IL   TRAINED SPOTTER

            SIX INCH DIAMETER TREE LIMBS BROKEN AND
            TREES DOWN.

&&

GROSS
Local storm report, May 29, 10:13 AM CDT, 4 hours 55 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 7:11 PM CDTFlash Flood WarningDVNDes Moines, Lee8 hr
May 29, 12:59 AM CDTAreal Flood WarningDVNHenry, Jefferson, Keokuk, Muscatine, Van Buren, Washington12 hr
May 29, 1:18 AM CDTSpecial Weather StatementDVNHenry, Jefferson, Lee, Van Buren57 min
May 29, 3:15 AM CDTAreal Flood WarningDVNDes Moines, Lee12 hr
May 29, 1:01 PM CDTAreal Flood WarningDVNJefferson, Van Buren, Washington14 hr
May 29, 6:20 PM CDTTornado WarningDVNBenton, Iowa40 min
May 28, 7:30 PM CDTSevere Thunderstorm WarningDVNHancock, McDonough, Warren45 min
May 28, 7:57 PM CDTFlash Flood WarningDVNHancock, Henderson, McDonough, Warren8 hr
May 29, 3:57 AM CDTAreal Flood WarningDVNHenderson, Warren12 hr
May 29, 3:54 PM CDTAreal Flood WarningDVNHenderson11 hr
May 29, 3:09 PM CDTAreal Flood WarningDVNClark12 hr

Nearby

Flash Flood Watches in Iowa, 2019Flash Flood Watches in Illinois, 2019Flash Flood Watches in Missouri, 2019Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.