Alert archive / Missouri / Flash Flood Warnings in 2011

Flash Flood Warning 15, NWS Quad Cities, IA

June 14, 2011Clark County, Scotland County, Missouri; Lee County, Van Buren County, Iowa

NWS Quad Cities, IA issued this flash flood warning at Jun 14, 2011, 10:11 PM CDT for Clark County, Scotland County, Missouri; Lee County, Van Buren County, Iowa. It was in force for 8 hr. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 14, 2011, 10:11 PM CDT (03:11 UTC)
Expired
Jun 15, 2011, 6:37 AM CDT
In force
8 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
None

Counties Lee County, IA, Van Buren County, IA, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 145 km from the middle of the area, began a volume at 03:12 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.

What was reported inside it

TimeReportWhereRemark
Jun 15, 12:00 AM CDTHEAVY RAIN 1.24Fort Madison, IA24 HOUR TOTAL ENDING AT MIDNIGHT.
Jun 15, 1:30 AM CDTFLASH FLOODKeokuk, IAMANY ROADS AND YARDS HAD PONDING WATER IN TOWN. MANY REPORTS WERE RECEIVED BETWEEN 1 AND 2 AM.
Jun 15, 2:00 AM CDTFLASH FLOODFort Madison, IAFLASH FLOODING WAS OBSERVED ACROSS MUCH OF LEE COUNTY. A STORM SEWER COLLAPSED IN FORT MADISON. THE BASEMENT WAS FLOODED OF A RESIDENCE. THE BEGINNINGS OF A RETAINING WALL COLLAPSED ALONG MISSISSIPPI RIVER ROAD JUST SOUTH OF SANDUSKY. A MUDSLIDE OCCURRED NEAR
Jun 15, 2:11 AM CDTFLASH FLOODHoughton, IAHIGHWAY 16 CLOSED BETWEEN W55 AND US 218 DUE TO FLOODING OF WATER OVER THE ROAD.
Jun 15, 3:50 AM CDTFLOOD1 S Wayland, MOHIGHWAY 27 SOUTH BOUND LANES ARE CLOSED TO ALL TRAFFIC EXCEPT SEMI TRAILER TRUCKS. WATER FROM THE FOX RIVER IS FLOWING UP ONTO THE ROAD.
Jun 15, 4:00 AM CDTFLOOD1 Sw Keokuk, IAWATER FLOWING OVER THE ROAD HAS CAUSED HIGHWAY 136 TO BE CLOSED WHERE IT GOES INTO MISSOURI. THIS MAY BE DUE TO FLOOD WATERS FROM THE DES MOINES RIVER.
Jun 15, 5:00 AM CDTHEAVY RAIN 1.63Keosauqua, IA24 HOUR TOTAL.
Jun 15, 6:35 AM CDTHEAVY RAIN 1.61 Ene Fort Madison, IAOVERNIGHT TOTAL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.2 hours before the alert went out and 150 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 00:00Z on 2011-06-15Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2011-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
1429 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

257 
WGUS53 KDVN 150311
FFWDVN
IAC111-177-MOC045-199-151215-
/O.NEW.KDVN.FF.W.0015.110615T0311Z-110615T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1011 PM CDT TUE JUN 14 2011

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLARK COUNTY IN NORTHEAST MISSOURI...
  THIS INCLUDES THE CITY OF KAHOKA...
  SCOTLAND COUNTY IN NORTHEAST MISSOURI...
  THIS INCLUDES THE CITY OF MEMPHIS...
  LEE COUNTY IN SOUTHEAST IOWA...
  THIS INCLUDES THE CITIES OF...KEOKUK...FORT MADISON...
  VAN BUREN COUNTY IN SOUTHEAST IOWA...
  THIS INCLUDES THE CITY OF KEOSAUQUA...

* UNTIL 715 AM CDT WEDNESDAY

* AT 1008 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
INDICATED   FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA. 
THE WARNED AREA SAW EXCESSIVE RAINFALL JUST LAST NIGHT...AND NEW 
HEAVY RAIN WILL IMMEDIATELY RUN OFF...AND RESULT IN FLASH FLOODING. 
AREAS THAT CONTINUE TO BE FLOODED IN CLARK COUNTY...WILL WORSEN AS 
NEW FLOODING DEVELOPS. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  STOCKPORT...MILTON...DOUDS/LEANDO...CANTRIL...BONAPARTE...
  BIRMINGHAM...BENTONSPORT/VERNON...WEST POINT...ST. PAUL...PILOT
  GROVE...NEW BOSTON...MONTROSE...FRANKLIN...DONNELLSON...DENMARK...
  CROTON...GRANGER...LURAY AND ST. FRANCISVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.

FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS...
UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY.

PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4060 9236 4061 9219 4090 9218 4090 9172
      4081 9172 4081 9141 4075 9125 4072 9121
      4070 9111 4067 9112 4064 9119 4062 9134
      4055 9141 4051 9137 4040 9137 4036 9145
      4024 9151 4025 9195 4030 9196 4030 9235

$$

ERVIN
2 follow-up statements
438 
WGUS73 KDVN 150923
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
423 AM CDT WED JUN 15 2011

IAC111-177-MOC045-199-151215-
/O.CON.KDVN.FF.W.0015.000000T0000Z-110615T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VAN BUREN IA-LEE IA-CLARK MO-SCOTLAND MO-
423 AM CDT WED JUN 15 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR
SCOTLAND...CLARK...LEE AND VAN BUREN COUNTIES...

AT 412 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT 
SEVERAL ROADS IN EASTERN CLARK AND SOUTHEAST LEE COUNTY ARE CLOSED 
DUE TO WATER FLOODING THE ROADS.  SOME OF THE ROADS ARE STILL CLOSED 
FROM THE HEAVY RAINFALL ON TUESDAY...AND SOME ARE NEW FLOODING THIS 
MORNING.  

THE FOX RIVER AND DES MOINES RIVERS HAVE CAUSED SIGNIFICANT FLOODING 
AROUND WAYLAND...ST FRANCISVILLE...AND ALEXANDRIA.  APPARENTLY THE 
TOWN OF ALEXANDRIA IS CUT OFF FROM SURROUNDING AREAS DUE TO FLOODING 
ON THE MAIN ROADS.  HIGHWAYS 136 AND PORTIOSN OF HIGHWAY 61 ARE 
CLOSED IN THAT AREA.  ALSO...PORTIONS OF HIGHWAY 27 NEAR WAYLAND ARE 
CLOSED TO ALL BUT SEMI TRAILER TRUCKS IN THE SOUTHBOUND LANE.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STOCKPORT...
MILTON...KEOSAUQUA...DOUDS/LEANDO...CANTRIL...BONAPARTE...
BIRMINGHAM...BENTONSPORT/VERNON...WEST POINT...ST. PAUL...PILOT
GROVE...FRANKLIN...FORT MADISON...DONNELLSON...DENMARK AND CROTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.

FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS...
UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY.

PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4060 9236 4061 9219 4090 9218 4090 9172
      4081 9172 4081 9141 4075 9125 4072 9121
      4070 9111 4067 9112 4064 9119 4062 9134
      4055 9141 4051 9137 4040 9137 4036 9145
      4024 9151 4025 9195 4030 9196 4030 9235

$$

LE
091 
WGUS73 KDVN 151137
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
637 AM CDT WED JUN 15 2011

IAC111-177-MOC045-199-151144-
/O.CAN.KDVN.FF.W.0015.000000T0000Z-110615T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VAN BUREN IA-LEE IA-CLARK MO-SCOTLAND MO-
637 AM CDT WED JUN 15 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SCOTLAND...CLARK...
LEE AND VAN BUREN COUNTIES...

A PORTION OF THIS FLASH FLOOD WARNING HAS BEEN REPLACED WITH AN 
AREAL FLOOD WARNING.  IN MANY AREAS THE FLOOD WATERS FROM THE 
OVERNIGHT FLASH FLOODING HAS RECEDED...BUT MUCH OF CLARK AND LEE 
COUNTIES CONTINUE TO HAVE FLOODING PROBLEMS FROM THE HEAVY RAINS 
OVERNIGHT.  ROADS...CREEKS AND STREAMS ARE STILL AFFECTED BY THE 
HIGH WATER.

LAT...LON 4060 9236 4061 9219 4090 9218 4090 9172
      4081 9172 4081 9141 4075 9125 4072 9121
      4070 9111 4067 9112 4064 9119 4062 9134
      4055 9141 4051 9137 4040 9137 4036 9145
      4024 9151 4025 9195 4030 9196 4030 9235

$$

LE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 6:27 AM CDTAreal Flood WarningDVNClark12 hr
Jun 14, 10:36 PM CDTFlash Flood WarningDVNIowa, Keokuk, Washington9 hr
Jun 15, 12:03 AM CDTFlash Flood WarningDVNDes Moines, Henry, Jefferson, Louisa9 hr
Jun 15, 2:29 AM CDTSpecial Weather StatementDVNCedar, Johnson, Muscatine, Scott2 hr
Jun 15, 2:38 AM CDTRiver Flood WarningDVNJohnson, Washington55 hr
Jun 15, 6:45 AM CDTRiver Flood WarningDVNJohnson, Louisa, Washington14 hr
Jun 15, 6:45 AM CDTRiver Flood WarningDVNLouisa54 hr
Jun 15, 7:21 AM CDTAreal Flood WarningDVNIowa, Keokuk, Washington5 hr
Jun 15, 9:43 AM CDTRiver Flood WarningDVNLouisa20 hr
Jun 15, 5:51 PM CDTSpecial Weather StatementDVNDelaware, Dubuque54 min
Jun 15, 6:44 PM CDTSevere Thunderstorm WarningDVNDubuque, Jackson44 min
Jun 15, 6:56 PM CDTSevere Thunderstorm WarningDVNClinton, Jackson64 min

Nearby

Flash Flood Warnings in Missouri, 2011Flash Flood Warnings in Iowa, 2011Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.