Alert archive / Iowa / Flash Flood Warnings in 2011
Flash Flood Warning 22, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 26, 2011, 8:14 PM CDT for Jefferson County, Lee County, Van Buren County, Iowa; Clark County, Scotland County, Missouri. It was in force for 9 hr. 6 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 26, 2011, 8:14 PM CDT (01:14 UTC)
- Expired
- Jun 27, 2011, 5:15 AM CDT
- In force
- 9 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jefferson County, IA, Lee County, IA, Van Buren County, IA, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 149 km from the middle of the area, began a volume at 01:16 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 26, 8:30 PM CDT | FLASH FLOOD | Nw Memphis, MO | WATER FLOWING 2 TO 3 INCHES DEEP ACROSS MAIN STREET AND DITCHES. |
| Jun 26, 8:30 PM CDT | HEAVY RAIN 1.5 | 5 E Cantril, IA | |
| Jun 26, 8:35 PM CDT | FLASH FLOOD | Keosauqua, IA | FLOODING OCCURRING THROUGHOUT VAN BUREN COUNTY |
| Jun 26, 8:50 PM CDT | HEAVY RAIN 1.4 | 3 Nne Charlie Heath Mem, IA | RAINFELL OVER A 35 MINUTE PERIOD. |
| Jun 26, 9:52 PM CDT | HEAVY RAIN 1.3 | W Cantril, IA | |
| Jun 27, 1:41 AM CDT | HEAVY RAIN 2.4 | 3 Nne Charlie Heath Mem, IA | RAINFALL SINCE 8 PM SUNDAY |
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, 1.2 hours before the alert went out and 154 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
- 15 J/kg
- Mixed-layer CIN
- -398 J/kg
- Mixed-layer LCL
- 1115 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
586
WGUS53 KDVN 270114
FFWDVN
IAC101-111-177-MOC045-199-271015-
/O.NEW.KDVN.FF.W.0022.110627T0114Z-110627T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
814 PM CDT SUN JUN 26 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...
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...
* UNTIL 515 AM CDT MONDAY
* AT 807 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN PRODUCING FLASH FLOODING FROM A
THUNDERSTORM OVER THE WARNED AREA. ADDITIONAL HEAVY RAIN WILL OCCUR
THROUGH 9 PM FROM THESES STORMS...PRODUCING FLASH FLOODING. MORE
STORMS ARE LIKELY TO PRODUCE HEAVY RAIN OVERNIGHT CONTINUING THIS
DANGEROUS FLASH FLOOD SITUATION.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MAHARISHI
VEDIC CITY...PLEASANT PLAIN...PACKWOOD...LOCKRIDGE...
LIBERTYVILLE...BATAVIA...ABINGDON...STOCKPORT...MILTON...
DOUDS/LEANDO...CANTRIL...BONAPARTE...BIRMINGHAM...
BENTONSPORT/VERNON...WEST POINT...ST. PAUL...PILOT GROVE...NEW
BOSTON...FRANKLIN...DONNELLSON AND CROTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL OF 2 TO 3 INCHES IS EXPECTED.
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 4116 9218 4116 9177
4113 9171 4081 9172 4081 9141 4078 9133
4058 9137 4055 9141 4053 9138 4038 9142
4034 9146 4024 9151 4025 9195 4030 9196
4030 9235
$$
ERVIN2 follow-up statements
195
WGUS73 KDVN 270242
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
942 PM CDT SUN JUN 26 2011
IAC101-111-177-MOC045-199-271015-
/O.CON.KDVN.FF.W.0022.000000T0000Z-110627T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VAN BUREN IA-LEE IA-JEFFERSON IA-CLARK MO-SCOTLAND MO-
942 PM CDT SUN JUN 26 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT MONDAY
FOR SCOTLAND...CLARK...JEFFERSON...LEE AND VAN BUREN COUNTIES...
AT 900 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A
THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA.
WIDESPREAD FLASH FLOODING WAS REPORTED IN VAN BUREN COUNTY AROUND 9
PM.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MAHARISHI
VEDIC CITY...PLEASANT PLAIN...PACKWOOD...LOCKRIDGE...LIBERTYVILLE...
FAIRFIELD...BATAVIA...ABINGDON...STOCKPORT...MILTON...KEOSAUQUA...
DOUDS/LEANDO...CANTRIL...BONAPARTE...BIRMINGHAM...
BENTONSPORT/VERNON...WEST POINT...ST. PAUL...PILOT GROVE...FRANKLIN
AND DONNELLSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES IS EXPECTED.
FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS...
UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY.
PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY
MORNING FOR SOUTHEAST IOWA AND WEST CENTRAL ILLINOIS AND NORTHEAST
MISSOURI.
&&
LAT...LON 4060 9236 4061 9219 4116 9218 4116 9177
4113 9171 4081 9172 4081 9141 4078 9133
4058 9137 4055 9141 4053 9138 4038 9142
4034 9146 4024 9151 4025 9195 4030 9196
4030 9235
$$
ERVIN268
WGUS73 KDVN 271009
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
509 AM CDT MON JUN 27 2011
IAC101-111-177-MOC045-199-271016-
/O.EXP.KDVN.FF.W.0022.000000T0000Z-110627T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VAN BUREN IA-LEE IA-JEFFERSON IA-CLARK MO-SCOTLAND MO-
509 AM CDT MON JUN 27 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 515 AM CDT FOR SCOTLAND...
CLARK...JEFFERSON...LEE AND VAN BUREN COUNTIES...
THUNDERSTORMS WITH HEAVY RAIN HAVE MOVE OUT OF THE AREA...AND THE
THREAT OF FLASH FLOODING HAS ENDED.
A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHEAST IOWA
UNTIL 10 AM CDT.
LAT...LON 4060 9236 4061 9219 4116 9218 4116 9177
4113 9171 4081 9172 4081 9141 4078 9133
4058 9137 4055 9141 4053 9138 4038 9142
4034 9146 4024 9151 4025 9195 4030 9196
4030 9235
$$
SHEETSThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 7:01 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Lee, Van Buren | 59 min |
| Jun 26, 7:53 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 67 min |
| Jun 26, 8:31 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 59 min |
| Jun 26, 9:37 PM CDT | Flash Flood Warning | DVN | Des Moines, Lee | 9 hr |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 36 hr |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Lee, Van Buren | 36 hr |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Lee | 4 days |
| Jun 26, 10:48 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn, Washington | 57 min |
| Jun 26, 11:35 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren, Washington | 55 min |
| Jun 27, 1:02 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 58 min |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Clark | 3 days |
| Jun 27, 12:31 AM CDT | River Flood Warning | DVN | Clark | 68 hr |
Nearby
Flash Flood Warnings in Iowa, 2011Flash Flood Warnings in Missouri, 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.