Alert archive / Iowa / Flash Flood Warnings in 2011
Flash Flood Warning 8, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 2, 2011, 7:16 AM CDT for 4 counties in Iowa; Clark County, Scotland County, Missouri; Hancock County, Illinois. It was in force for 6 hr. 9 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 2, 2011, 7:16 AM CDT (12:16 UTC)
- Expired
- Jun 2, 2011, 1:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Henry County, IA, Jefferson County, IA, Lee County, IA, Van Buren County, IA, Hancock County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 150 km from the middle of the area, began a volume at 12:18 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 2, 7:17 AM CDT | HEAVY RAIN 1.22 | 1 N Keosauqua, IA | RAINFALL SINCE 5 AM. MOST OF THIS FELL IN AN HOUR. |
| Jun 2, 7:20 AM CDT | HEAVY RAIN 1.6 | 4 W Memphis, MO | RAINFALL SO FAR THIS MORNING |
| Jun 2, 7:20 AM CDT | HEAVY RAIN 2.2 | 3 Wsw Bonaparte, IA | 1 INCH OF THIS RAIN FELL IN PAST 30 MINUTES |
| Jun 2, 7:25 AM CDT | HEAVY RAIN 1.6 | 5 E Cantril, IA | |
| Jun 2, 8:07 AM CDT | HEAVY RAIN 2 | 5 Ne Baring, MO | |
| Jun 2, 8:20 AM CDT | HEAVY RAIN 1.4 | 2 Ese Keosauqua, IA | |
| Jun 2, 11:04 AM CDT | HEAVY RAIN 2.2 | 5 E Cantril, IA | TOTAL SO FAR AND IT IS STILL RAINING |
| Jun 2, 12:27 PM CDT | HEAVY RAIN 3 | Keosauqua, IA | STORM TOTAL. |
| Jun 2, 1:00 PM CDT | HEAVY RAIN 1.2 | 2 Ese Keosauqua, IA | RAINFALL BETWEEN 830 AM AND 1 PM CDT. |
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 12:00Z, 0.3 hours before the alert went out and 155 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1806 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
614
WGUS53 KDVN 021216
FFWDVN
IAC087-101-111-177-ILC067-MOC045-199-021815-
/O.NEW.KDVN.FF.W.0008.110602T1216Z-110602T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
716 AM CDT THU JUN 2 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...
HENRY COUNTY IN SOUTHEAST IOWA...
THIS INCLUDES THE CITY OF MOUNT PLEASANT...
JEFFERSON COUNTY IN SOUTHEAST IOWA...
THIS INCLUDES THE CITY OF FAIRFIELD...
LEE COUNTY IN SOUTHEAST IOWA...
VAN BUREN COUNTY IN SOUTHEAST IOWA...
THIS INCLUDES THE CITY OF KEOSAUQUA...
HANCOCK COUNTY IN WEST CENTRAL ILLINOIS...
THIS INCLUDES THE CITIES OF...NAUVOO...CARTHAGE...
* UNTIL 115 PM CDT THURSDAY
* AT 705 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.
RADAR ESTIMATES AND RAINFALL REPORTS INDICATE 1 TO 2.5 INCHES
OF RAIN HAS ALREADY FALLEN ACROSS THE WARNED AREA... ESPECIALLY
FROM FAIRFIELD SOUTH TO KEOSAUQUA... AND FROM MEMPHIS AND
BIBLE GROVE EASTWARD TO NEAR NEEPER...KEOKUK AND CARTHAGE.
ADDITIONAL SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAIN WILL
MOVE ACROSS THE WARNED AREA THIS MORNING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WESTWOOD...
MAHARISHI VEDIC CITY...WINFIELD...WAYLAND...SALEM...ROME...OLDS...
NEW LONDON...MOUNT UNION...LOWELL...HILLSBORO...PLEASANT PLAIN...
PACKWOOD...LOCKRIDGE...LIBERTYVILLE...BATAVIA...ABINGDON...
STOCKPORT...DOUDS/LEANDO...BIRMINGHAM...BENTONSPORT/VERNON...WEST
POINT...ST. PAUL AND PILOT GROVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF FLOOD-PRONE
AND LOW LYING AREAS. MOVE IMMEDIATELY FROM THESE AREAS TO HIGHER
GROUND.
DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES
SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT.
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 4019 9150 4024 9151 4025 9195 4030 9196
4030 9235 4060 9236 4061 9219 4116 9218
4116 9137 4056 9141 4060 9136 4061 9135
4064 9125 4064 9091 4019 9091
$$3 follow-up statements
250
WGUS73 KDVN 021331
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
831 AM CDT THU JUN 2 2011
IAC087-101-111-177-ILC067-MOC045-199-021815-
/O.CON.KDVN.FF.W.0008.000000T0000Z-110602T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VAN BUREN IA-LEE IA-JEFFERSON IA-HENRY IA-HANCOCK IL-CLARK MO-
SCOTLAND MO-
831 AM CDT THU JUN 2 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
SCOTLAND...CLARK...HANCOCK...HENRY...JEFFERSON...LEE AND VAN BUREN
COUNTIES...
AT 817 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED
AREA. RAINFALL REPORTS SINCE 4 AM HAVE RANGED FROM 1 TO 3 INCHES...
SOME OF WHICH HAS FALLEN IN JUST OVER AN HOUR. ANOTHER THUNDERSTORM
COMPLEX OVER NORTHWEST MISSOURI IS EXPECTED TO MERGE WITH THE
CURRENT RAIN AREA THIS MORNING. WHEN THIS MERGER OCCURS...RAINFALL
RATES MAY BRIEFLY INCREASE.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NIOTA...NAUVOO...LA HARPE...DALLAS CITY...ADRIAN...WINFIELD...
WAYLAND...MOUNT PLEASANT...PLEASANT PLAIN...FAIRFIELD...ABINGDON...
KEOSAUQUA...CANTRIL...BENTONSPORT/VERNON...MONTROSE...DONNELLSON...
MEMPHIS...LURAY...KAHOKA AND ST. FRANCISVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO POSSIBLY 2 INCHES ARE POSSIBLE.
DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES
SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT.
FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS...
UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY.
PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4019 9150 4024 9151 4025 9195 4030 9196
4030 9235 4060 9236 4061 9219 4116 9218
4116 9137 4056 9141 4060 9136 4061 9135
4064 9125 4064 9091 4019 9091
$$
08781
WGUS73 KDVN 021548
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1048 AM CDT THU JUN 2 2011
IAC087-101-111-177-ILC067-MOC045-199-021815-
/O.CON.KDVN.FF.W.0008.000000T0000Z-110602T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VAN BUREN IA-LEE IA-JEFFERSON IA-HENRY IA-HANCOCK IL-CLARK MO-
SCOTLAND MO-
1048 AM CDT THU JUN 2 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
SCOTLAND...CLARK...HANCOCK...HENRY...JEFFERSON...LEE AND VAN BUREN
COUNTIES...
AT 1036 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING OVER THE
WARNED AREA. SO FAR THERE ARE NO KNOWN REPORTS OF FLASH FLOODING.
THE TWO THUNDERSTORM GROUPS HAVE MERGED ACROSS NORTHEAST MISSOURI
AND SOUTHEAST IOWA. RADAR TRENDS INDICATE RAINFALL RATES ARE SLOWLY
DECREASING. RAINFALL AMOUNTS SINCE 4 AM RANGE FROM 1 TO 3.5 INCHES.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NIOTA...NAUVOO...LA HARPE...DALLAS CITY...WAYLAND...NEW
LONDON...MOUNT PLEASANT...FAIRFIELD...ABINGDON...KEOSAUQUA...
CANTRIL...BENTONSPORT/VERNON...AND DONNELLSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH ARE POSSIBLE
THROUGH NOON.
DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES
SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT.
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 4019 9150 4024 9151 4025 9195 4030 9196
4030 9235 4060 9236 4061 9219 4116 9218
4116 9137 4056 9141 4060 9136 4061 9135
4064 9125 4064 9091 4019 9091
$$
08289
WGUS73 KDVN 021814
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
114 PM CDT THU JUN 2 2011
IAC087-101-111-177-ILC067-MOC045-199-021824-
/O.EXP.KDVN.FF.W.0008.000000T0000Z-110602T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VAN BUREN IA-LEE IA-JEFFERSON IA-HENRY IA-HANCOCK IL-CLARK MO-
SCOTLAND MO-
114 PM CDT THU JUN 2 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 115 PM CDT FOR SCOTLAND...
CLARK...HANCOCK...HENRY...JEFFERSON...LEE AND VAN BUREN COUNTIES...
CALLS TO SHERIFF OFFICES INDICATE NO KNOWN REPORTS OF WATER ON
ROADS. A SPOTTER REPORTED STANDING WATER IN FIELDS ALONG THE IOWA
MISSOURI BORDER SOUTH OF FARMINGTON.
LAT...LON 4019 9150 4024 9151 4025 9195 4030 9196
4030 9235 4060 9236 4061 9219 4116 9218
4116 9137 4056 9141 4060 9136 4061 9135
4064 9125 4064 9091 4019 9091
$$
08The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 2:08 PM CDT | River Flood Warning | DVN | Lee | 20 hr |
| Jun 2, 3:45 PM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 52 hr |
| Jun 2, 5:29 PM CDT | Areal Flood Advisory | DVN | Des Moines, Lee | 3 hr |
Nearby
Flash Flood Warnings in Iowa, 2011Flash Flood Warnings in Missouri, 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.