Alert archive / Arkansas / Flash Flood Warnings in 2011
Flash Flood Warning 55, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Apr 24, 2011, 2:32 AM CDT for Clay County, Randolph County, Arkansas; Dunklin County, Missouri. It was in force for 107 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
- Apr 24, 2011, 2:32 AM CDT (07:32 UTC)
- Expired
- Apr 24, 2011, 4:19 AM CDT
- In force
- 107 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, AR, Randolph County, AR, Dunklin County, MO
The radar
The Memphis radar (KNQA), 135 km from the middle of the area, began a volume at 07:33 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 00:00Z, 7.5 hours before the alert went out and 189 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
- 781 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1432 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
268
WGUS54 KMEG 240732
FFWMEG
ARC021-121-MOC069-241030-
/O.NEW.KMEG.FF.W.0055.110424T0732Z-110424T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
232 AM CDT SUN APR 24 2011
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CLAY COUNTY IN EASTERN ARKANSAS...
NORTHEASTERN RANDOLPH COUNTY IN EASTERN ARKANSAS...
NORTHEASTERN DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 530 AM CDT
* AT 233 AM CDT...DOPPLER RADAR ESTIMATES 3 TO 5 INCHES OF RAINFALL
HAS OCCURRED OVER THE PAST 6 HOURS. SHOWERS AND THUNDERSTORMS WILL
PRODUCE AN ADDITIONAL 1 TO 3 INCHES OF RAIN OVER THE NEXT 3 HOURS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CORNING...
PIGGOTT...CAMPBELL...MALDEN...TOWNLEY...BRIAN...VALLEY RIDGE...
WILHELMINA...PROVIDENCE...MC GUIRES...BAIRD AND CHALK BLUFF NATURAL
AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
.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 3657 8994 3639 8997 3627 9063 3627 9076
3647 9111 3650 9101 3651 9023 3655 9020
3660 9020 3664 9015 3664 8997
$$1 follow-up statement
706
WGUS74 KMEG 240919
FFSMEG
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
419 AM CDT SUN APR 24 2011
ARC021-121-MOC069-240930-
/O.CAN.KMEG.FF.W.0055.000000T0000Z-110424T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY AR-RANDOLPH AR-DUNKLIN MO-
419 AM CDT SUN APR 24 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN
DUNKLIN...NORTHEASTERN RANDOLPH AND CLAY COUNTIES...
THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED ACROSS
THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
LAT...LON 3657 8994 3639 8997 3627 9063 3627 9076
3647 9111 3650 9101 3651 9023 3655 9020
3660 9020 3664 9015 3664 8997
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 8:26 PM CDT | Severe Thunderstorm Warning | MEG | Randolph | 49 min |
| Apr 23, 9:11 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Randolph | 49 min |
| Apr 23, 9:33 PM CDT | Flash Flood Warning | MEG | Clay, Randolph | 5 hr |
| Apr 23, 10:16 PM CDT | Special Weather Statement | MEG | Clay | 29 min |
| Apr 23, 10:26 PM CDT | Severe Thunderstorm Warning | MEG | Clay | 34 min |
| Apr 23, 11:52 PM CDT | Flash Flood Warning | MEG | Clay, Greene | 3 hr |
| Apr 23, 11:52 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene, Randolph | 38 min |
| Apr 24, 2:41 AM CDT | Special Weather Statement | MEG | Cross | 34 min |
| Apr 24, 3:01 AM CDT | Special Weather Statement | MEG | Clay | 29 min |
| Apr 24, 3:22 AM CDT | Special Weather Statement | MEG | Clay, Greene | 23 min |
| Apr 24, 12:16 PM CDT | River Flood Warning | MEG | Craighead | 25 days |
| Apr 24, 12:16 PM CDT | River Flood Warning | MEG | Mississippi, Poinsett | 23 days |
| Apr 24, 2:38 PM CDT | Flash Flood Watch | MEG | Craighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more | 3 days |
| Apr 24, 3:06 PM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 54 min |
| Apr 24, 4:55 PM CDT | Severe Thunderstorm Warning | MEG | Greene, Lawrence, Randolph | 50 min |
| Apr 24, 5:32 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 43 min |
| Apr 24, 5:45 PM CDT | Tornado Warning | MEG | Greene | 30 min |
| Apr 24, 6:09 PM CDT | Tornado Warning | MEG | Clay, Greene | 36 min |
| Apr 24, 6:14 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 46 min |
| Apr 23, 8:59 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 31 min |
| Apr 23, 11:22 PM CDT | Severe Thunderstorm Warning | MEG | Pemiscot | 38 min |
| Apr 24, 12:44 AM CDT | Special Weather Statement | MEG | Pemiscot | 46 min |
| Apr 24, 6:40 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 27 min |
Nearby
Flash Flood Warnings in Arkansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.