Alert archive / Missouri / Flash Flood Warnings in 2011
Flash Flood Warning 144, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Jul 24, 2011, 4:33 PM CDT for Dunklin County, Missouri; Clay County, Arkansas. It was in force for 87 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2011, 4:33 PM CDT (21:33 UTC)
- Expired
- Jul 24, 2011, 6:00 PM CDT
- In force
- 87 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, AR, Dunklin County, MO
The radar
The Memphis radar (KNQA), 123 km from the middle of the area, began a volume at 21:36 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
Little Rock, AR (KLZK), launched 12:00Z, 9.6 hours before the alert went out and 179 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
- 2983 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
447
WGUS54 KMEG 242133
FFWMEG
ARC021-MOC069-242330-
/O.NEW.KMEG.FF.W.0144.110724T2133Z-110724T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
433 PM CDT SUN JUL 24 2011
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN CLAY COUNTY IN EASTERN ARKANSAS...
NORTHEASTERN DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 630 PM CDT
* AT 433 PM CDT... 1 TO 3 INCHES OF RAINFALL HAS OCCURRED OVER THE
PAST HOUR. LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING AROUND CAMPBELL MISSOURI. SOME ROADS WERE COVERED BY 6 TO
8 INCHES OF WATER.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PIGGOTT...
RECTOR...CAMPBELL...MALDEN...TOWNLEY...BRIAN...VALLEY RIDGE...
WILHELMINA...PROVIDENCE...MC GUIRES...BAIRD...FRISBEE...WHITE OAK
AND IPLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT FLASH FLOODING ONLY...CALL 1 800 4 3 2 0 8 7 5.
&&
LAT...LON 3663 8996 3626 8996 3621 9030 3623 9032
3626 9033 3627 9037 3650 9040 3650 9023
3653 9022 3663 9014
$$1 follow-up statement
948
WGUS74 KMEG 242300
FFSMEG
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
600 PM CDT SUN JUL 24 2011
ARC021-MOC069-242310-
/O.CAN.KMEG.FF.W.0144.000000T0000Z-110724T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY AR-DUNKLIN MO-
600 PM CDT SUN JUL 24 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN
DUNKLIN AND EASTERN CLAY COUNTIES...
THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED ACROSS
THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
LAT...LON 3663 8996 3626 8996 3621 9030 3623 9032
3626 9033 3627 9037 3650 9040 3650 9023
3653 9022 3663 9014
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 4:13 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 31 min |
| Jul 24, 4:55 PM CDT | Severe Thunderstorm Warning | MEG | Pemiscot | 35 min |
| Jul 24, 5:01 PM CDT | Severe Thunderstorm Warning | MEG | Pemiscot | 29 min |
| Jul 24, 2:54 PM CDT | Special Weather Statement | MEG | Lawrence | 51 min |
| Jul 24, 4:06 PM CDT | Special Weather Statement | MEG | Clay | 39 min |
Nearby
Flash Flood Warnings in Missouri, 2011Flash Flood Warnings in Arkansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.