Alert archive / Arkansas / Flash Flood Warnings in 2011

Flash Flood Warning 96, NWS Memphis, TN

May 1, 20116 counties in Arkansas

NWS Memphis, TN issued this flash flood warning at May 1, 2011, 1:41 PM CDT for 6 counties in Arkansas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 1, 2011, 1:41 PM CDT (18:41 UTC)
Expired
May 1, 2011, 8:00 PM CDT
In force
6 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Crittenden County, AR, Cross County, AR, Lee County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR

The radar

The Memphis radar (KNQA), 96 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 80 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.

045 
WGUS54 KMEG 011841
FFWMEG
ARC035-037-077-093-111-123-012145-
/O.NEW.KMEG.FF.W.0096.110501T1841Z-110501T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRITTENDEN COUNTY IN EASTERN ARKANSAS...
  CROSS COUNTY IN EASTERN ARKANSAS...
  LEE COUNTY IN EASTERN ARKANSAS...
  SOUTHWESTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  SOUTHEASTERN POINSETT COUNTY IN EASTERN ARKANSAS...
  ST. FRANCIS COUNTY IN EASTERN ARKANSAS...

* UNTIL 445 PM CDT

* AT 141 PM CDT...DOPPLER RADAR ESTIMATES 1 INCH OF RAINFALL         
  HAS OCCURRED IN THE PAST 30 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 EARLE...
  FORREST CITY...HUGHES...MADISON...MARIANNA...MARKED TREE...
  PALESTINE...PARKIN...TYRONZA...WYNNE AND VILLAGE CREEK STATE PARK.

 THIS WARNING ALSO INCLUDES AREAS NEAR MIDWAY LAKE AND WAPANOCCA
  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 3501 9112 3501 9105 3537 9105 3563 9010
      3506 9028 3496 9036 3488 9047 3486 9048
      3465 9074 3465 9105 3473 9106 3474 9111
      3487 9110 3489 9113

$$
2 follow-up statements
923 
WGUS54 KMEG 012116
FFWMEG
ARC035-037-077-093-111-123-012200-
/O.EXT.KMEG.FF.W.0096.000000T0000Z-110501T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CRITTENDEN COUNTY IN EASTERN ARKANSAS...
  CROSS COUNTY IN EASTERN ARKANSAS...
  LEE COUNTY IN EASTERN ARKANSAS...
  SOUTHWESTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  SOUTHEASTERN POINSETT COUNTY IN EASTERN ARKANSAS...
  ST. FRANCIS COUNTY IN EASTERN ARKANSAS...

* UNTIL 500 PM CDT

* AT 416 PM CDT...DOPPLER RADAR ESTIMATES 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 EARLE...
  FORREST CITY...HUGHES...MADISON...MARIANNA...MARKED TREE...
  PALESTINE...PARKIN...TYRONZA...WYNNE AND VILLAGE CREEK STATE PARK.

 THIS WARNING ALSO INCLUDES AREAS NEAR MIDWAY LAKE AND WAPANOCCA
  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 3501 9112 3501 9105 3537 9105 3563 9010
      3506 9028 3496 9036 3488 9047 3486 9048
      3465 9074 3465 9105 3473 9106 3474 9111
      3487 9110 3489 9113

$$
473 
WGUS54 KMEG 012123
FFWMEG
ARC035-037-077-093-111-123-020100-
/O.EXT.KMEG.FF.W.0096.000000T0000Z-110502T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CRITTENDEN COUNTY IN EASTERN ARKANSAS...
  CROSS COUNTY IN EASTERN ARKANSAS...
  LEE COUNTY IN EASTERN ARKANSAS...
  SOUTHWESTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  SOUTHEASTERN POINSETT COUNTY IN EASTERN ARKANSAS...
  ST. FRANCIS COUNTY IN EASTERN ARKANSAS...

* UNTIL 800 PM CDT

* AT 423 PM CDT...DOPPLER RADAR ESTIMATES 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 EARLE...
  FORREST CITY...HUGHES...MADISON...MARIANNA...MARKED TREE...
  PALESTINE...PARKIN...TYRONZA...WYNNE AND VILLAGE CREEK STATE PARK.

 THIS WARNING ALSO INCLUDES AREAS NEAR MIDWAY LAKE AND WAPANOCCA
  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 3501 9112 3501 9105 3537 9105 3563 9010
      3506 9028 3496 9036 3488 9047 3486 9048
      3465 9074 3465 9105 3473 9106 3474 9111
      3487 9110 3489 9113

$$

The office that day

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

IssuedProductOfficeCountiesLasted
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, 10:45 AM CDTFlash Flood WarningMEGClay, Craighead, Cross, Greene, Lawrence, Mississippi and 2 more9 hr
May 1, 11:10 AM CDTSevere Thunderstorm WarningMEGMississippi23 min
May 1, 11:20 AM CDTSevere Thunderstorm WarningMEGCrittenden, Cross, Mississippi, Poinsett40 min
May 1, 11:29 AM CDTFlash Flood WarningMEGMississippi6 hr
May 1, 11:56 AM CDTSpecial Weather StatementMEGMississippi49 min
May 1, 12:41 PM 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, 1:33 PM CDTSpecial Weather StatementMEGMississippi42 min
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, 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.