Alert archive / Iowa / Flash Flood Warnings in 2011
Flash Flood Warning 9, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 5, 2011, 6:13 AM CDT for 4 counties in Iowa; 4 counties in Illinois. It was in force for 6 hr. 1 report 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 5, 2011, 6:13 AM CDT (11:13 UTC)
- Expired
- Jun 5, 2011, 11:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Des Moines County, IA, Henry County, IA, Lee County, IA, Louisa County, IA, Hancock County, IL, Henderson County, IL, McDonough County, IL, Warren County, IL
The radar
The Quad Cities radar (KDVN), 123 km from the middle of the area, began a volume at 11:15 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 9:00 AM CDT | FLASH FLOOD | 1 S Hamilton, IL | A PORTION OF WINDY HILLS ROAD PARTIALLY WASHED OUT. ROAD IS A BLACKTOP ROAD. REPORTED AROUND 9AM...EVENT TIME UNKNOWN...HEAVIEST RAINFALL WAS 4-5AM. |
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, 11.2 hours before the alert went out and 127 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.
- Mixed-layer CAPE
- 3326 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.0
The text
As transmitted, in the capitals the NWS used until 2016.
239
WGUS53 KDVN 051113
FFWDVN
IAC057-087-111-115-ILC067-071-109-187-051715-
/O.NEW.KDVN.FF.W.0009.110605T1113Z-110605T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
613 AM CDT SUN JUN 5 2011
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
DES MOINES COUNTY IN SOUTHEAST IOWA...
THIS INCLUDES THE CITY OF BURLINGTON...
SOUTHEASTERN HENRY COUNTY IN SOUTHEAST IOWA...
THIS INCLUDES THE CITY OF MOUNT PLEASANT...
LEE COUNTY IN SOUTHEAST IOWA...
THIS INCLUDES THE CITIES OF...KEOKUK...FORT MADISON...
SOUTHEASTERN LOUISA COUNTY IN SOUTHEAST IOWA...
THIS INCLUDES THE CITY OF WAPELLO...
HANCOCK COUNTY IN WEST CENTRAL ILLINOIS...
THIS INCLUDES THE CITIES OF...NAUVOO...CARTHAGE...
HENDERSON COUNTY IN WEST CENTRAL ILLINOIS...
THIS INCLUDES THE CITY OF OQUAWKA...
MCDONOUGH COUNTY IN WEST CENTRAL ILLINOIS...
THIS INCLUDES THE CITIES OF...WESTERN ILLINOIS UNIVERSITY...
MACOMB...
SOUTHWESTERN WARREN COUNTY IN WEST CENTRAL ILLINOIS...
* UNTIL 1215 PM CDT
* AT 606 AM CDT...TRAINED WEATHER SPOTTERS CREEKS AND STREAMS RISING
RAPIDLY FROM THUNDERSTORMS OVER PORTIONS OF THE WARNED AREA.
DOPPLER RADAR ESTIMATED RAINFALL AMOUNTS OF 1 TO 2 INCHES IN THE
PAST HOUR.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WESTWOOD...
LITTLE SWAN LAKE...TERRE HAUTE...STRONGHURST...ROZETTA...RARITAN...
GULF PORT...GLADSTONE...CARMAN...BIGGSVILLE...ROSEVILLE...
KIRKWOOD...LA HARPE...DISCO...SCIOTA...NEW PHILADELPHIA...
INDUSTRY...GOOD HOPE...COLCHESTER...BUSHNELL...BLANDINSVILLE...
BARDOLPH...ADAIR...TOOLESBORO...OAKVILLE...MORNING SUN...NEW
LONDON...MOUNT UNION...WEST BURLINGTON...MIDDLETOWN...MEDIAPOLIS
AND DANVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL OF AN INCH OR TWO IS EXPECTED AS MORE
THUNDERSTORMS ARRIVE FROM THE NORTHWEST THIS MORNING.
IF YOU ARE CAMPING NEAR A STREAM...CREEK OR OTHER LOW LYING
AREA...MOVE IMMEDIATELY TO HIGHER GROUND.
PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4020 9138 4038 9142 4041 9152 4045 9152
4047 9158 4054 9162 4055 9167 4062 9172
4092 9172 4128 9117 4117 9104 4115 9098
4107 9095 4107 9089 4056 9044 4027 9045
4028 9090 4019 9091
$$
HAASE3 follow-up statements
469
WGUS73 KDVN 051241
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
741 AM CDT SUN JUN 5 2011
IAC057-087-111-115-ILC067-071-109-187-051715-
/O.CON.KDVN.FF.W.0009.000000T0000Z-110605T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOUISA IA-LEE IA-HENRY IA-DES MOINES IA-MCDONOUGH IL-WARREN IL-
HENDERSON IL-HANCOCK IL-
741 AM CDT SUN JUN 5 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR
HANCOCK...HENDERSON...SOUTHWESTERN WARREN...MCDONOUGH...DES MOINES...
SOUTHEASTERN HENRY...LEE AND SOUTHERN LOUISA COUNTIES...
AT 735 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SCATTERED THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE
WARNED AREA. THERE HAS BEEN A DECREASING TREND IN THE COVERAGE AND
INTENSITY OF THE STORMS. LOCALIZED FLASH FLOODING MAY OCCUR IF
STORMS CAN TRAIN OVER THE SAME AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DONNELLSON...
LITTLE SWAN LAKE...WESTWOOD...TERRE HAUTE...STRONGHURST...ROZETTA...
RARITAN...OQUAWKA...GULF PORT...GLADSTONE...CARMAN...BIGGSVILLE...
ROSEVILLE...KIRKWOOD...WAPELLO...TOOLESBORO...OAKVILLE...MORNING
SUN...SALEM...NEW LONDON...MOUNT UNION...MOUNT PLEASANT...LOWELL...
HILLSBORO...WEST BURLINGTON...MIDDLETOWN...MEDIAPOLIS...DANVILLE...
BURLINGTON...WEST POINT...ST. PAUL...PILOT GROVE...FRANKLIN AND
DENMARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE CAMPING NEAR A STREAM...CREEK OR OTHER LOW LYING
AREA...MOVE IMMEDIATELY TO HIGHER GROUND.
PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON CDT SUNDAY
FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.
&&
LAT...LON 4020 9138 4038 9142 4041 9152 4045 9152
4047 9158 4054 9162 4055 9167 4062 9172
4092 9172 4128 9117 4117 9104 4115 9098
4107 9095 4107 9089 4056 9044 4027 9045
4028 9090 4019 9091
$$
HAASE540
WGUS73 KDVN 051450
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
950 AM CDT SUN JUN 5 2011
IAC057-087-111-115-ILC067-071-109-187-051715-
/O.CON.KDVN.FF.W.0009.000000T0000Z-110605T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOUISA IA-LEE IA-HENRY IA-DES MOINES IA-MCDONOUGH IL-WARREN IL-
HENDERSON IL-HANCOCK IL-
950 AM CDT SUN JUN 5 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR
HANCOCK...HENDERSON...SOUTHWESTERN WARREN...MCDONOUGH...DES MOINES...
SOUTHEASTERN HENRY...LEE AND SOUTHERN LOUISA COUNTIES...
AT 942 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THUNDERSTORM ACTIVITY IS BEGINNING TO DIMINISH...BUT A
THUNDERSTORM WAS CONTINUING TO PRODUCE HEAVY RAIN OVER SOUTHERN
HENDERSON AND WARREN COUNTIES. THIS STORM WILL ALSO AFFECT NORTHERN
MCDONOUGH COUNTY IN THE NEXT HOUR.
RAINFALL ESTIMATES FROM OVERNIGHT RANGE FROM THREE QUARTERS TO AN
INCH AND A QUARTER. AS THE GROUND IN THIS AREA IS ALREADY WET FROM
RECENT RAINFALL...THIS RAINFALL HAS LIKELY CAUSED SOME FLOODING OF
CREEKS AND STREAMS...WHICH MAY ALSO AFFECT NEARBY FIELDS AND ROADS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DONNELLSON...
LITTLE SWAN LAKE...WESTWOOD...TERRE HAUTE...STRONGHURST...ROZETTA...
RARITAN...OQUAWKA...GULF PORT...GLADSTONE...CARMAN...BIGGSVILLE...
ROSEVILLE...KIRKWOOD...WAPELLO...TOOLESBORO...OAKVILLE...MORNING
SUN...SALEM...NEW LONDON...MOUNT UNION...MOUNT PLEASANT...LOWELL...
HILLSBORO...WEST BURLINGTON...MIDDLETOWN...MEDIAPOLIS...DANVILLE...
BURLINGTON...WEST POINT...ST. PAUL...PILOT GROVE...FRANKLIN AND
DENMARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF FLOOD-PRONE
AND LOW LYING AREAS. MOVE IMMEDIATELY FROM THESE AREAS TO HIGHER
GROUND.
IF YOU ARE CAMPING NEAR A STREAM...CREEK OR OTHER LOW LYING AREA...
MOVE IMMEDIATELY TO HIGHER GROUND.
PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON CDT SUNDAY
FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.
&&
LAT...LON 4020 9138 4038 9142 4041 9152 4045 9152
4047 9158 4054 9162 4055 9167 4062 9172
4092 9172 4128 9117 4117 9104 4115 9098
4107 9095 4107 9089 4056 9044 4027 9045
4028 9090 4019 9091
$$
LE170
WGUS73 KDVN 051645
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1145 AM CDT SUN JUN 5 2011
IAC057-087-111-115-ILC067-071-109-187-051653-
/O.CAN.KDVN.FF.W.0009.000000T0000Z-110605T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOUISA IA-LEE IA-HENRY IA-DES MOINES IA-MCDONOUGH IL-WARREN IL-
HENDERSON IL-HANCOCK IL-
1145 AM CDT SUN JUN 5 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR HANCOCK...
HENDERSON...SOUTHWESTERN WARREN...MCDONOUGH...DES MOINES...
SOUTHEASTERN HENRY...LEE AND SOUTHERN LOUISA COUNTIES...
HEAVY RAINFALL HAS MOVED OUT OF THE AREA...AND NO FURTHER
DEVELOPMENT IS EXPECTED. IN ADDITION...ONLY A FEW LOCALIZED
FLOODING REPORTS HAVE BEEN RECEIVED...AND FOR THESE LOCATIONS FLOOD
WATERS HAVE RECEDED. THUS...THE FLASH FLOOD WARNING HAS BEEN
CANCELLED.
LAT...LON 4020 9138 4038 9142 4041 9152 4045 9152
4047 9158 4054 9162 4055 9167 4062 9172
4092 9172 4128 9117 4117 9104 4115 9098
4107 9095 4107 9089 4056 9044 4027 9045
4028 9090 4019 9091
$$
LEThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 2:25 AM CDT | Special Weather Statement | DVN | Des Moines, Lee, Van Buren | 50 min |
| Jun 5, 3:03 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 57 min |
| Jun 5, 4:12 AM CDT | Special Weather Statement | DVN | Jefferson, Keokuk, Washington | 48 min |
| Jun 5, 6:22 AM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Washington | 53 min |
| Jun 5, 9:02 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Iowa, Keokuk, Louisa, Washington | 43 min |
| Jun 5, 9:16 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Louisa, Washington | 59 min |
| Jun 5, 3:31 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 59 min |
| Jun 5, 6:58 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 20 min |
Nearby
Flash Flood Warnings in Iowa, 2011Flash Flood Warnings in Illinois, 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.