Alert archive / Arkansas / Flash Flood Warnings in 2011

Flash Flood Warning 94, NWS Memphis, TN

May 1, 2011Dunklin County, Pemiscot County, Missouri; 8 counties in Arkansas

NWS Memphis, TN issued this flash flood warning at May 1, 2011, 10:45 AM CDT for Dunklin County, Pemiscot County, Missouri; 8 counties in Arkansas. It was in force for 9 hr. 3 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
May 1, 2011, 10:45 AM CDT (15:45 UTC)
Expired
May 1, 2011, 7:45 PM CDT
In force
9 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Clay County, AR, Craighead County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Randolph County, AR, Dunklin County, MO, Pemiscot County, MO

The radar

The Memphis radar (KNQA), 120 km from the middle of the area, began a volume at 15:46 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

TimeReportWhereRemark
May 1, 1:12 PM CDTFLASH FLOODJonesboro, ARFLOODING OVER MANY STREETS AND ROADS IN JONESBORO...CARRAWAY RD...NETTLETON ROAD AND GRANT AVE INTERSECTION WITH CARRAWAY RD.
May 1, 1:15 PM CDTFLASH FLOODJonesboro, ARSTREET FLOODING WITH CARS STRANDED AT GLADIOLA AND HARRISBURG ROAD.
May 1, 3:30 PM CDTFLASH FLOODJonesboro, ARMULTIPLE AREAS FLOODED...FAIRGROUNDS AND EQUINE CENTER AT AR STATE UNIVERSITY. DOLLAR TREE PARKING LOT UNDERWATER

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 3.8 hours before the alert went out and 167 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.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2011-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2011-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
-230 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

789 
WGUS54 KMEG 011545
FFWMEG
ARC021-031-037-055-075-093-111-121-MOC069-155-011845-
/O.NEW.KMEG.FF.W.0094.110501T1545Z-110501T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1045 AM CDT SUN MAY 1 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN EASTERN ARKANSAS...
  CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
  NORTHWESTERN CROSS COUNTY IN EASTERN ARKANSAS...
  GREENE COUNTY IN EASTERN ARKANSAS...
  LAWRENCE COUNTY IN EASTERN ARKANSAS...
  WESTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  POINSETT COUNTY IN EASTERN ARKANSAS...
  RANDOLPH COUNTY IN EASTERN ARKANSAS...
  DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
  EXTREME WESTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 145 PM CDT

* AT 1044 AM CDT...DOPPLER RADAR ESTIMATES 1 TO 2 INCHES OF          
  RAINFALL   HAS OCCURRED IN THE PAST 90 MINUTES. 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 BAY...BLACK
  ROCK...BONO...BROOKLAND...CARAWAY...CORNING...GOSNELL...
  HARRISBURG...HOXIE...JONESBORO...KEISER...LAKE CITY...LEACHVILLE
  AND LEPANTO.

 THIS WARNING ALSO INCLUDES AREAS NEAR BIG LAKE.

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.

.MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

.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 3640 8997 3639 8994 3575 8993
      3571 8995 3565 8993 3535 9105 3588 9104
      3590 9137 3623 9136 3625 9127 3632 9127
      3641 9132 3642 9135 3647 9140 3650 9139
      3651 9023 3663 9016 3664 8997

$$
2 follow-up statements
918 
WGUS54 KMEG 011816
FFWMEG
ARC021-031-037-055-075-093-111-121-MOC069-155-012145-
/O.EXT.KMEG.FF.W.0094.000000T0000Z-110501T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
116 PM CDT SUN MAY 1 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN EASTERN ARKANSAS...
  CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
  NORTHWESTERN CROSS COUNTY IN EASTERN ARKANSAS...
  GREENE COUNTY IN EASTERN ARKANSAS...
  LAWRENCE COUNTY IN EASTERN ARKANSAS...
  WESTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  POINSETT COUNTY IN EASTERN ARKANSAS...
  RANDOLPH COUNTY IN EASTERN ARKANSAS...
  DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
  WESTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 445 PM CDT

* AT 117 PM CDT...DOPPLER RADAR ESTIMATES 1 TO 3 INCHES OF RAINFALL
  HAS OCCURRED OVER THE PAST 2 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 BAY...BLACK
  ROCK...BONO...BROOKLAND...CARAWAY...CORNING...GOSNELL...
  HARRISBURG...HOXIE...JONESBORO...KEISER...LAKE CITY...LEACHVILLE
  AND LEPANTO.

 THIS WARNING ALSO INCLUDES AREAS NEAR BIG LAKE.

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.

.MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

.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 3640 8997 3639 8994 3575 8993
      3571 8995 3565 8993 3535 9105 3588 9104
      3590 9137 3623 9136 3625 9127 3632 9127
      3641 9132 3642 9135 3647 9140 3650 9139
      3651 9023 3663 9016 3664 8997

$$
070 
WGUS54 KMEG 012118
FFWMEG
ARC021-031-037-055-075-093-111-121-MOC069-155-020045-
/O.EXT.KMEG.FF.W.0094.000000T0000Z-110502T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
418 PM CDT SUN MAY 1 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN EASTERN ARKANSAS...
  CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
  NORTHWESTERN CROSS COUNTY IN EASTERN ARKANSAS...
  GREENE COUNTY IN EASTERN ARKANSAS...
  LAWRENCE COUNTY IN EASTERN ARKANSAS...
  WESTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  POINSETT COUNTY IN EASTERN ARKANSAS...
  RANDOLPH COUNTY IN EASTERN ARKANSAS...
  DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
  WESTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 745 PM CDT

* AT 417 PM CDT... 1 TO 3 INCHES OF RAINFALL HAS OCCURRED OVER THE
  PAST 3 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 BAY...BLACK
  ROCK...BONO...BROOKLAND...CARAWAY...CORNING...GOSNELL...
  HARRISBURG...HOXIE...JONESBORO...KEISER...LAKE CITY...LEACHVILLE
  AND LEPANTO.

 THIS WARNING ALSO INCLUDES AREAS NEAR BIG LAKE.

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.

.MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

.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 3640 8997 3639 8994 3575 8993
      3571 8995 3565 8993 3535 9105 3588 9104
      3590 9137 3623 9136 3625 9127 3632 9127
      3641 9132 3642 9135 3647 9140 3650 9139
      3651 9023 3663 9016 3664 8997

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 1, 11:29 AM CDTFlash Flood WarningMEGPemiscot6 hr
May 1, 12:41 PM CDTSpecial Weather StatementMEGPemiscot49 min
May 1, 1:33 PM CDTSpecial Weather StatementMEGDunklin, Pemiscot42 min
Apr 30, 7:10 PM CDTSpecial Weather StatementMEGRandolph35 min
Apr 30, 7:22 PM CDTSpecial Weather StatementMEGClay38 min
Apr 30, 7:37 PM CDTSpecial Weather StatementMEGGreene38 min
Apr 30, 8:03 PM CDTSpecial Weather StatementMEGClay27 min
Apr 30, 8:10 PM CDTSevere Thunderstorm WarningMEGClay, Greene50 min
Apr 30, 10:23 PM CDTSpecial Weather StatementMEGRandolph37 min
Apr 30, 11:20 PM CDTSpecial Weather StatementMEGClay25 min
Apr 30, 11:31 PM CDTSpecial Weather StatementMEGCraighead44 min
May 1, 12:31 AM CDTSpecial Weather StatementMEGCross, Poinsett44 min
May 1, 12:42 AM CDTSpecial Weather StatementMEGMississippi33 min
May 1, 1:35 AM CDTSpecial Weather StatementMEGCross25 min
May 1, 2:01 AM CDTSpecial Weather StatementMEGMississippi29 min
May 1, 3:02 AM CDTSpecial Weather StatementMEGCrittenden28 min
May 1, 3:11 AM CDTSevere Thunderstorm WarningMEGCrittenden, Mississippi, Poinsett49 min
May 1, 4:47 AM CDTFlash Flood WarningMEGCrittenden, Cross, Lee, Mississippi, Poinsett, St. Francis9 hr
May 1, 6:41 AM CDTSpecial Weather StatementMEGLee, St. Francis34 min
May 1, 7:12 AM CDTSpecial Weather StatementMEGCrittenden33 min
May 1, 9:12 AM CDTSpecial Weather StatementMEGLee48 min
May 1, 10:00 AM CDTSpecial Weather StatementMEGLee, St. Francis45 min
May 1, 10:37 AM CDTSpecial Weather StatementMEGCrittenden, St. Francis53 min
May 1, 11:10 AM CDTSevere Thunderstorm WarningMEGMississippi23 min
May 1, 11:20 AM CDTSevere Thunderstorm WarningMEGCrittenden, Cross, Mississippi, Poinsett40 min
May 1, 11:56 AM CDTSpecial Weather StatementMEGMississippi49 min
May 1, 12:50 PM CDTSpecial Weather StatementMEGCraighead40 min
May 1, 12:55 PM CDTSpecial Weather StatementMEGCross, Poinsett50 min
May 1, 1:26 PM CDTSevere Thunderstorm WarningMEGCross, Lee, St. Francis49 min
May 1, 1:41 PM CDTFlash Flood WarningMEGCrittenden, Cross, Lee, Mississippi, Poinsett, St. Francis6 hr
May 1, 2:11 PM CDTSpecial Weather StatementMEGMississippi49 min
May 1, 2:15 PM CDTSevere Thunderstorm WarningMEGCrittenden, Cross, St. Francis60 min
May 1, 2:17 PM CDTSevere Thunderstorm WarningMEGLee, St. Francis43 min
May 1, 2:24 PM CDTSevere Thunderstorm WarningMEGCrittenden, Cross, Mississippi, Poinsett51 min
May 1, 2:42 PM CDTTornado WarningMEGCrittenden, Mississippi48 min
May 1, 2:53 PM CDTSevere Thunderstorm WarningMEGCrittenden, Mississippi52 min
May 1, 2:59 PM CDTSevere Thunderstorm WarningMEGCrittenden, St. Francis46 min
May 1, 3:10 PM CDTTornado WarningMEGCrittenden41 min
May 1, 3:59 PM CDTFlash Flood WarningMEGCrittenden, Mississippi3 hr
May 1, 4:40 PM CDTSevere Thunderstorm WarningMEGCrittenden50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.