Alert archive / Iowa / Flash Flood Warnings in 2004

Flash Flood Warning 48, NWS Des Moines, IA

August 27, 2004Appanoose County, Davis County, Wayne County, Iowa

NWS Des Moines, IA issued this flash flood warning at Aug 27, 2004, 1:12 AM CDT for Appanoose County, Davis County, Wayne County, Iowa. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 27, 2004, 1:12 AM CDT (06:12 UTC)
Expired
Aug 27, 2004, 7:15 AM CDT
In force
6 hr
Issued by
NWS Des Moines, IA
Area
Counties, with a storm outline in the text

Counties Appanoose County, IA, Davis County, IA, Wayne County, IA

The radar

The Des Moines radar (KDMX), 134 km from the middle of the area, began a volume at 06:14 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 00:00Z, 6.2 hours before the alert went out and 210 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 2004-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3587 joules per kilogram.LCLLFCEL10008507005003002001001 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 2004-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.19395878Sfc1 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
3587 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
948 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
3.5
Supercell composite
18.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KDMX 270612
FFWDMX
IAC007-051-185-271215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
112 AM CDT FRI AUG 27 2004

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  APPANOOSE COUNTY IN SOUTH CENTRAL IOWA
  WAYNE COUNTY IN SOUTH CENTRAL IOWA
  DAVIS COUNTY IN SOUTHEAST IOWA

* UNTIL 715 AM CDT

* AT 106 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH FLASH FLOOD PRODUCING RAINS IN THE WARNING AREA.

* THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING...RESULTING IN   
EXCESSIVE RAINFALL. RAINFALL RATES WILL AVERAGE 1 TO 2 INCHES PER   
HOUR. THIS COULD PRODUCE FLASH FLOODING ALONG CREEKS AND 
STREAMS...AND URBAN AREAS. ADDITIONAL HEAVY RAINFALL IS EXPECTED 
OVER THE WARNING AREA THROUGH AT LEAST 3 AM.

AT 1 AM...WAYNE COUNTY LAW ENFORCEMENT REPORTED WATER OVER HIGHWAY 
2...ONE HALF MILE EAST OF PROMISE CITY.

OTHER WARNING LOCATIONS INCLUDE...
ALLERTON...BLOOMFIELD...BLOOMFIELD MUNICIPAL AIRPORT...CENTERVILLE...
CENTERVILLE MUNICIPAL AIRPORT...CINCINNATI...CLIO...CORYDON...
DRAKESVILLE...EXLINE...FLORIS...HUMESTON...MILLERTON...MORAVIA...
MOULTON...MYSTIC...NUMA...PLANO...PROMISE CITY...PULASKI...RATHBUN...
SEYMOUR...UDELL AND UNIONVILLE

FLASH FLOODS OCCUR QUICKLY...MOVE TO HIGHER GROUND. AVOID WATER
COVERED ROADS...THE ROAD MAY BE WASHED OUT. LESS THAN ONE FOOT OF
FAST FLOWING WATER CAN SWEEP AN AUTOMOBILE OFF THE ROAD.

LAT...LON 4090 9220 4061 9220 4059 9356 4089 9356

$$

KINNEY
5 follow-up statements
000 
WGUS73 KDMX 270723
FFSDMX
IAC007-051-185-271215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
220 AM CDT FRI AUG 27 2004

...A FLASH FLOOD WARNING CONTINUES FOR DAVIS...WAYNE AND APPANOOSE
COUNTIES UNTIL 715 AM CDT...

AT 220 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS WITH HEAVY RAINS OVER THE WARNING AREA.

WARNING LOCATIONS INCLUDE ALLERTON...BLOOMFIELD...BLOOMFIELD 
MUNICIPAL AIRPORT...CENTERVILLE MUNICIPAL 
AIRPORT...CINCINNATI...CLIO...CORYDON...DRAKESVILLE...EXLINE...FLORIS
...HUMESTON...MILLERTON...MORAVIA...MOULTON...MYSTIC...NUMA...PLANO..
.PROMISE CITY...PULASKI...RATHBUN...SEYMOUR...UDELL AND UNIONVILLE.

THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING AND MOVING OVER THE 
WARNING AREA...RESULTING IN EXCESSIVE RAINFALL. SCATTERED RAINFALL 
RATES OF 1 TO 2 INCHES PER HOUR WILL CONTINUE THROUGH AT LEAST 4 AM. 
THIS COULD PRODUCE FLASH FLOODING ALONG CREEKS AND STREAMS...LOW 
LYING AREAS...AND URBAN AREAS.

THE OBSERVER IN SEYMOUR IN WAYNE COUNTY REPORTED 3.3 INCHES OF RAIN 
THROUGH 2 AM...AND AREAS TO THE WEST THROUGH CLIO HAVE RECEIVED 4 
INCHES OR MORE. THE HEAVIEST RAIN WAS LOCATED IN DAVIS COUNTY AT 220 
AM CDT...WHERE 2 TO 3 INCHES HAVE ALREADY FALLEN. LAW ENFORCEMENT 
HAS REPORTED SCATTERED STREET FLOODING OVER THE WARNING AREA...AS 
WELL AS WATER OVER HIGHWAY 2 NEAR PROMISE CITY IN WAYNE COUNTY 

FLASH FLOODS OCCUR QUICKLY...MOVE TO HIGHER GROUND. AVOID WATER
COVERED ROADS...THE ROAD MAY BE WASHED OUT. LESS THAN ONE FOOT OF
FAST FLOWING WATER CAN SWEEP AN AUTOMOBILE OFF THE ROAD.

LAT...LON 4087 9356 4059 9355 4062 9221 4090 9220

$$

KINNEY
000 
WGUS73 KDMX 270826
FFSDMX
IAC007-051-185-271215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
325 AM CDT FRI AUG 27 2004

...A FLASH FLOOD WARNING CONTINUES FOR DAVIS...WAYNE AND APPANOOSE
COUNTIES UNTIL 715 AM CDT...

AT 320 AM CDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE 
THUNDERSTORMS WITH HEAVY RAINS OVER APPANOOSE AND DAVIS COUNTIES. IN 
WAYNE COUNTY...ONLY A FEW STORMS WERE OCCURRING.

WARNING LOCATIONS INCLUDE ALLERTON...BLOOMFIELD...CENTERVILLE... 
CINCINNATI...CLIO...CORYDON...DRAKESVILLE...EXLINE...FLORIS...
HUMESTON...MILLERTON...MORAVIA...MOULTON...MYSTIC...NUMA...PLANO...
PROMISE CITY...PULASKI...RATHBUN...SEYMOUR...UDELL AND UNIONVILLE.

THUNDERSTORMS ARE FINALLY SHIFTING EASTWARD OVER APPANOOSE AND DAVIS 
COUNTIES...AND HAVE INCREASED IN SPEED SLIGHTLY. STILL...HEAVY 
RAINFALL WILL LIKELY OCCUR OVER THE WARNING AREA FOR YET SEVERAL 
MORE HOURS...BUT WITH A GRADUAL DECREASE IN COVERAGE. SCATTERED 
RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL STILL BE LIKELY. 

RADAR AND SATELLITE OBSERVATIONS INDICATED THAT THREE TO FIVE INCHES 
OF RAIN HAS FALLEN IN A 15 MILE WIDE BAND...ALONG AND SOUTH OF 
HIGHWAY 2 EAST OF INTERSTATE 35. GREATEST RAINFALLS WERE LOCATED IN 
SOUTHWEST WAYNE COUNTY AROUND CLIO. 

FLASH FLOODS OCCUR QUICKLY...MOVE TO HIGHER GROUND. AVOID WATER 
COVERED ROADS...THE ROAD MAY BE WASHED OUT. LESS THAN ONE FOOT OF 
FAST FLOWING WATER CAN SWEEP AN AUTOMOBILE OFF THE ROAD.

LAT...LON 4087 9356 4059 9355 4062 9221 4090 9220

$$
MYERS
000 
WGUS73 KDMX 270920
FFSDMX
IAC007-051-185-271215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
420 AM CDT FRI AUG 27 2004

...A FLASH FLOOD WARNING CONTINUES FOR DAVIS...WAYNE AND APPANOOSE
COUNTIES UNTIL 715 AM CDT...

AT 415 AM CDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE 
THUNDERSTORMS WITH HEAVY RAINS OVER PORTIONS OF APPANOOSE AND DAVIS 
COUNTIES. IN WAYNE COUNTY...ONLY A FEW STORMS WERE OCCURRING.

WARNING LOCATIONS INCLUDE ALLERTON...BLOOMFIELD...CENTERVILLE... 
CINCINNATI...CLIO...CORYDON...DRAKESVILLE...EXLINE...FLORIS...
HUMESTON...MILLERTON...MORAVIA...MOULTON...MYSTIC...NUMA...PLANO...
PROMISE CITY...PULASKI...RATHBUN...SEYMOUR...UDELL AND UNIONVILLE.

THUNDERSTORMS CONTINUE TO SHIFT EASTWARD INTO FAR SOUTHEAST 
IOWA...ALBEIT SLOWLY. MOST STORMS WILL OCCUR IN DAVIS COUNTY FOR THE 
NEXT HOUR OR TWO...WHILE SOME STORMS ROLL OVER SOUTHEAST APPANOOSE. 
STORMS CONTINUE TO DECREASE IN COVERAGE AS THE FOCUS FOR 
REDEVELOPMENT SHIFTS EAST AND SOUTH. RAINFALL RATES ARE BEGINNING TO 
DECREASE SOMEWHAT AS WELL. STILL...ADDITIONAL RAINFALL OF ONE TO TWO 
INCHES CAN BE EXPECTED IN PORTIONS OF DAVIS COUNTY.

RADAR AND SATELLITE OBSERVATIONS INDICATED THAT THREE TO FIVE AND 
HALF INCHES OF RAIN HAS FALLEN IN A 15 MILE WIDE BAND...ALONG AND 
SOUTH OF HIGHWAY 2 EAST OF INTERSTATE 35. GREATEST RAINFALLS WERE 
LOCATED IN SOUTHWEST WAYNE COUNTY AROUND CLIO...IN APPANOOSE AROUND 
CENTERVILLE AND ACROSS CENTRAL AND SOUTHERN DAVIS COUNTY.

FLASH FLOODS OCCUR QUICKLY. IF OUT DRIVING EARLY THIS MORNING...BE 
ON THE LOOKOUT FOR WATER COVERED ROADS. DO NOT DRIVE THROUGH WATER 
OF UNKNOWN DEPTH. PLEASE REPORT FLOODING TO LAW ENFORCEMENT.

LAT...LON 4087 9356 4059 9355 4062 9221 4090 9220

$$
MYERS
000 
WGUS73 KDMX 271008
FFSDMX
IAC007-051-185-271215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
520 AM CDT FRI AUG 27 2004

...A FLASH FLOOD WARNING CONTINUES FOR DAVIS...WAYNE AND APPANOOSE
COUNTIES UNTIL 715 AM CDT...

AT 515 AM CDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE 
THUNDERSTORMS WITH HEAVY RAINS OVER PORTIONS OF DAVIS COUNTY. IN 
APPANOOSE WAYNE COUNTIES..ONLY A FEW STORMS WERE OCCURRING.

WARNING LOCATIONS INCLUDE ALLERTON...BLOOMFIELD...CENTERVILLE... 
CINCINNATI...CLIO...CORYDON...DRAKESVILLE...EXLINE...FLORIS...
HUMESTON...MILLERTON...MORAVIA...MOULTON...MYSTIC...NUMA...PLANO...
PROMISE CITY...PULASKI...RATHBUN...SEYMOUR...UDELL AND UNIONVILLE.

THUNDERSTORMS CONTINUE TO SHIFT EASTWARD INTO FAR SOUTHEAST IOWA. 
MOST STORMS WILL OCCUR IN DAVIS COUNTY FOR THE NEXT HOUR. STORMS 
CONTINUE TO DECREASE IN COVERAGE AS THE FOCUS FOR REDEVELOPMENT 
SHIFTS EAST AND SOUTH. RAINFALL RATES ARE BEGINNING TO DECREASE 
SOMEWHAT AS WELL. STILL...ADDITIONAL RAINFALL OF ONE TO TWO INCHES 
CAN BE EXPECTED IN PORTIONS OF DAVIS COUNTY.

RADAR AND SATELLITE OBSERVATIONS INDICATED THAT THREE TO FIVE AND 
HALF INCHES OF RAIN HAS FALLEN IN A 15 MILE WIDE BAND...ALONG AND 
SOUTH OF HIGHWAY 2 EAST OF INTERSTATE 35. GREATEST RAINFALLS WERE 
LOCATED IN SOUTHWEST WAYNE COUNTY AROUND CLIO...IN APPANOOSE AROUND 
CENTERVILLE AND ACROSS CENTRAL AND SOUTHERN DAVIS COUNTY.

FLASH FLOODS OCCUR QUICKLY. IF OUT DRIVING EARLY THIS MORNING...BE 
ON THE LOOKOUT FOR WATER COVERED ROADS. DO NOT DRIVE THROUGH WATER 
OF UNKNOWN DEPTH. PLEASE REPORT FLOODING TO LAW ENFORCEMENT.

LAT...LON 4087 9356 4059 9355 4062 9221 4090 9220

$$
MYERS/FORSTER
000 
WGUS73 KDMX 271141
FFSDMX
IAC007-051-185-271215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
630 AM CDT FRI AUG 27 2004

...A FLASH FLOOD WARNING FOR DAVIS...WAYNE AND APPANOOSE COUNTIES 
HAS BEEN CANCELLED...

AT 630 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED 
THUNDERSTORMS WITH HEAVY RAINS HAVE MOVED OUT OF THE AREA OF 
CONCERN.  

RADAR AND SATELLITE OBSERVATIONS INDICATED THAT THREE TO FIVE INCHES 
OF RAIN HAS FALLEN IN A 15 MILE WIDE BAND...ALONG AND SOUTH OF 
HIGHWAY 2 EAST OF INTERSTATE 35. GREATEST RAINFALL WAS LOCATED IN 
SOUTHWEST WAYNE COUNTY AROUND CLIO...IN APPANOOSE AROUND CENTERVILLE 
AND ACROSS CENTRAL AND SOUTHERN DAVIS COUNTY.  REPORTS OF BASEMENT 
FLOODING WERE RECEIVED FROM APPANOOSE AND WAYNE COUNTIES VIA LAW 
ENFORCEMENT. 

REDEVELOPMENT IS EXPECTED LATER TODAY AND THE AREA REMAINS IN A 
FLOOD WATCH FOR THIS MORNING AND EVENING.

$$
FORSTER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 7:02 PM CDTTornado WarningDMXCarroll43 min
Aug 26, 7:10 PM CDTTornado WarningDMXBoone50 min
Aug 26, 7:41 PM CDTSevere Thunderstorm WarningDMXRinggold, Taylor49 min
Aug 26, 7:46 PM CDTSevere Thunderstorm WarningDMXWebster44 min
Aug 26, 7:49 PM CDTTornado WarningDMXStory41 min
Aug 26, 7:53 PM CDTSevere Thunderstorm WarningDMXPolk37 min
Aug 26, 8:00 PM CDTTornado WarningDMXBoone30 min
Aug 26, 8:04 PM CDTSevere Thunderstorm WarningDMXAdams41 min
Aug 26, 8:26 PM CDTTornado WarningDMXStory34 min
Aug 26, 8:29 PM CDTTornado WarningDMXJasper, Marshall46 min
Aug 26, 8:33 PM CDTSevere Thunderstorm WarningDMXDecatur, Ringgold57 min
Aug 26, 8:36 PM CDTTornado WarningDMXButler54 min
Aug 26, 8:47 PM CDTSevere Thunderstorm WarningDMXMarshall43 min
Aug 26, 9:04 PM CDTSevere Thunderstorm WarningDMXTama41 min
Aug 26, 9:17 PM CDTFlash Flood WarningDMXRinggold, Taylor6 hr
Aug 26, 9:17 PM CDTSevere Thunderstorm WarningDMXJasper, Marshall28 min
Aug 26, 9:20 PM CDTSevere Thunderstorm WarningDMXBlack Hawk, Bremer, Grundy40 min
Aug 26, 9:25 PM CDTSevere Thunderstorm WarningDMXWayne50 min
Aug 26, 9:33 PM CDTSevere Thunderstorm WarningDMXClarke, Union42 min
Aug 26, 9:37 PM CDTSevere Thunderstorm WarningDMXDecatur38 min
Aug 26, 9:44 PM CDTSevere Thunderstorm WarningDMXJasper, Marshall46 min
Aug 26, 10:07 PM CDTSevere Thunderstorm WarningDMXLucas, Monroe38 min
Aug 26, 10:16 PM CDTSevere Thunderstorm WarningDMXDecatur44 min
Aug 26, 10:28 PM CDTSevere Thunderstorm WarningDMXPoweshiek, Wayne47 min
Aug 26, 11:04 PM CDTSevere Thunderstorm WarningDMXMonroe41 min
Aug 26, 11:10 PM CDTSevere Thunderstorm WarningDMXAppanoose50 min
Aug 26, 11:17 PM CDTSevere Thunderstorm WarningDMXWapello43 min
Aug 26, 11:25 PM CDTSevere Thunderstorm WarningDMXDavis50 min
Aug 27, 4:05 PM CDTSevere Thunderstorm WarningDMXAppanoose55 min
Aug 27, 5:58 PM CDTSevere Thunderstorm WarningDMXJasper47 min
Aug 27, 6:05 PM CDTSevere Thunderstorm WarningDMXMadison55 min
Aug 27, 6:09 PM CDTSevere Thunderstorm WarningDMXPoweshiek51 min
Aug 27, 6:19 PM CDTSevere Thunderstorm WarningDMXClarke56 min
Aug 27, 6:29 PM CDTSevere Thunderstorm WarningDMXTama61 min
Aug 27, 6:46 PM CDTSevere Thunderstorm WarningDMXJasper44 min

Nearby

Flash Flood Warnings in Iowa, 2004Every flash flood warning in 2004

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.