Alert archive / Arkansas / Tornado Warnings in 2011

Tornado Warning 6, NWS Memphis, TN

February 24, 20114 counties in Arkansas; Lauderdale County, Tennessee; Dunklin County, Pemiscot County, Missouri

NWS Memphis, TN issued this tornado warning at Feb 24, 2011, 6:14 PM CST for 4 counties in Arkansas; Lauderdale County, Tennessee; Dunklin County, Pemiscot County, Missouri. It was in force for 31 min. 10 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
Feb 24, 2011, 6:14 PM CST (00:14 UTC)
Expired
Feb 24, 2011, 6:45 PM CST
In force
31 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Craighead County, AR, Greene County, AR, Mississippi County, AR, Poinsett County, AR, Dunklin County, MO, Pemiscot County, MO, Lauderdale County, TN

The radar

The Memphis radar (KNQA), 63 km from the middle of the area, began a volume at 00:17 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
Feb 24, 6:18 PM CSTTORNADO1 S Lepanto, ARPOSSIBLE TORNADO JUST SOUTH OF LEPANTO
Feb 24, 6:20 PM CSTTSTM WND DMG4 Sse Trumann, AR18 WHEELER BLOWN OVER ON ITS SIDE ON HWY 63 NEAR TULOT.
Feb 24, 6:20 PM CSTTSTM WND DMGN Lepanto, ARPOWERLINES AND A TREE DOWN ON A HOUSE...PEOPLE ARE TRAPPED INSIDE.
Feb 24, 6:25 PM CSTTSTM WND DMGEtowah, ARPOWERLINES DOWN IN ETOWAH.
Feb 24, 6:25 PM CSTTSTM WND DMGWest Ridge, ARBARN DESTROYED AND GIN DAMAGED. TIN SCATTERED OVER WIDE AREA. ONE TREE SNAPPED AND ANOTHER TREE UPROOTED. WELL PIVOTS TURNED OVER ABOUT 5 MILES NORTH OF WEST RIDGE.
Feb 24, 6:29 PM CSTTSTM WND DMG1 S Trumann, ARTRACTOR TRAILER BLOWN OVER ON INTERSTATE 55 AT MILE MARKER 24.
Feb 24, 6:29 PM CSTNON-TSTM WND DMG1 S Trumann, ARTRACTOR TRAILER BLOWN OVER ON INTERSTATE 55 AT MILE MARKER 24.
Feb 24, 6:38 PM CSTTSTM WND DMGGosnell, ARPOWER LINES DOWN
Feb 24, 6:40 PM CSTTSTM WND DMG1 S Osceola, ARPOWERLINES DOWN ON HIGHWAY 61 AND ON HIGHWAY 140 1 MILE SOUTH OF OSCEOLA.
Feb 24, 6:47 PM CSTTSTM WND GST 62Osceola, ARMEASURED WITH A HANDHELD ANEMOMETER

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 24, 2:34 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.2 hours before the alert went out and 114 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 00:00Z on 2011-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 165 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2011-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -230 square meters per square second.1939587897Sfc1 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
165 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-230 m²/s²
0-3 km storm-relative helicity
-371 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-0.9

Open this sounding in Storm Lab

The text

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

249 
WFUS54 KMEG 250014
TORMEG
ARC031-055-093-111-MOC069-155-TNC097-250045-
/O.NEW.KMEG.TO.W.0006.110225T0014Z-110225T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
614 PM CST THU FEB 24 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
  SOUTHEASTERN GREENE COUNTY IN EASTERN ARKANSAS...
  MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  NORTHEASTERN POINSETT COUNTY IN EASTERN ARKANSAS...
  SOUTHERN DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
  SOUTHWESTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...
  WEST CENTRAL LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 645 PM CST

* AT 614 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR TRUMANN...MOVING
  NORTHEAST AT 65 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BAY...
  BLYTHEVILLE...CARAWAY...GOSNELL...KEISER...LAKE CITY...
  LEACHVILLE...LEPANTO...LUXORA...MANILA...MONETTE...OSCEOLA...
  TRUMANN AND DENTON.

 THIS WARNING ALSO INCLUDES AREAS NEAR BIG LAKE AND SUNK LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3604 9039 3620 8995 3573 8967 3560 9005
      3553 9051 3569 9062
TIME...MOT...LOC 0014Z 240DEG 57KT 3566 9045

$$
1 follow-up statement
969 
WWUS54 KMEG 250026
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
626 PM CST THU FEB 24 2011

ARC031-055-093-111-MOC069-155-TNC097-250045-
/O.CON.KMEG.TO.W.0006.000000T0000Z-110225T0045Z/
CRAIGHEAD AR-MISSISSIPPI AR-POINSETT AR-GREENE AR-DUNKLIN MO-
PEMISCOT MO-LAUDERDALE TN-
626 PM CST THU FEB 24 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR WEST
CENTRAL LAUDERDALE...SOUTHWESTERN PEMISCOT...SOUTHERN DUNKLIN...
SOUTHEASTERN GREENE...NORTHEASTERN POINSETT...MISSISSIPPI AND EASTERN
CRAIGHEAD COUNTIES...

AT 626 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR RIVERVALE...OR
NEAR LEPANTO...MOVING NORTHEAST AT 65 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BLACK OAK...
BLYTHEVILLE...CARAWAY...GOSNELL...KEISER...LEACHVILLE...LEPANTO...
LUXORA...MANILA...MONETTE...OSCEOLA...THREE WAY...VICTORIA AND
DENTON.

 THIS WARNING ALSO INCLUDES AREAS NEAR BIG LAKE AND SUNK LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

.A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA.

&&

LAT...LON 3594 9043 3604 9039 3620 8995 3573 8967
      3560 9005 3554 9041
TIME...MOT...LOC 0026Z 240DEG 57KT 3571 9024

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 6:09 PM CSTTornado WarningMEGCrittenden, Cross, Lee, St. Francis36 min
Feb 24, 6:11 PM CSTSevere Thunderstorm WarningMEGMississippi90 days
Feb 24, 6:23 PM CSTSevere Thunderstorm WarningMEGCrittenden, Mississippi, Poinsett90 days
Feb 24, 6:28 PM CSTSevere Thunderstorm WarningMEGCrittenden, Cross, Lee, St. Francis90 days
Feb 24, 6:34 PM CSTTornado WarningMEGCrittenden26 min
Feb 24, 6:38 PM CSTTornado WarningMEGMississippi52 min
Feb 24, 6:41 PM CSTFlash Flood WarningMEGMississippi3 hr
Feb 24, 6:56 PM CSTFlash Flood WarningMEGCrittenden, Lee3 hr
Feb 24, 7:08 PM CSTFlash Flood WarningMEGPhillips2 hr
Feb 25, 6:40 AM CSTRiver Flood WarningMEGMississippi37 days
Feb 25, 1:37 PM CSTRiver Flood WarningMEGMississippi38 days
Feb 24, 6:19 PM CSTTornado WarningMEGObion, Weakley28 min
Feb 24, 6:57 PM CSTTornado WarningMEGFayette, Haywood, Shelby, Tipton48 min
Feb 24, 6:59 PM CSTSevere Thunderstorm WarningMEGChester, Crockett, Decatur, Haywood, Henderson, Lauderdale and 2 more90 days
Feb 24, 7:15 PM CSTTornado WarningMEGChester, Fayette, Hardeman, Shelby45 min
Feb 24, 7:20 PM CSTSevere Thunderstorm WarningMEGFayette, Hardeman, Shelby90 days
Feb 24, 7:21 PM CSTTornado WarningMEGCarroll, Crockett, Dyer, Gibson, Lauderdale, Obion and 1 more39 min
Feb 24, 7:26 PM CSTSevere Thunderstorm WarningMEGHenry90 days
Feb 24, 7:31 PM CSTSevere Thunderstorm WarningMEGCarroll, Crockett, Gibson, Haywood, Henderson, Madison44 min
Feb 24, 7:32 PM CSTTornado WarningMEGChester, Fayette, Hardeman, Haywood, Henderson, Madison43 min
Feb 24, 7:52 PM CSTFlash Flood WarningMEGCarroll, Henry3 hr
Feb 24, 7:56 PM CSTTornado WarningMEGChester, Fayette, Hardeman, McNairy49 min
Feb 24, 7:58 PM CSTFlash Flood WarningMEGCarroll, Chester, Crockett, Gibson, Henderson, Madison3 hr
Feb 24, 7:58 PM CSTSevere Thunderstorm WarningMEGCarroll, Henry, Weakley47 min
Feb 24, 7:58 PM CSTSevere Thunderstorm WarningMEGFayette, Hardeman, McNairy47 min
Feb 24, 8:00 PM CSTTornado WarningMEGCarroll, Henry45 min
Feb 24, 8:04 PM CSTFlash Flood WarningMEGChester, Fayette, Hardeman, McNairy3 hr
Feb 24, 8:11 PM CSTSevere Thunderstorm WarningMEGCarroll, Henderson19 min
Feb 24, 8:12 PM CSTTornado WarningMEGCarroll, Chester, Decatur, Hardeman, Hardin, Henderson and 1 more48 min
Feb 24, 8:23 PM CSTFlash Flood WarningMEGDecatur3 hr
Feb 24, 8:34 PM CSTSevere Thunderstorm WarningMEGHardin, McNairy56 min
Feb 24, 8:47 PM CSTFlash Flood WarningMEGHardin, McNairy3 hr
Feb 24, 9:30 PM CSTSevere Thunderstorm WarningMEGHardin36 min
Feb 25, 6:40 AM CSTRiver Flood WarningMEGCrockett, Dyer, Lauderdale11 hr
Feb 25, 6:40 AM CSTRiver Flood WarningMEGDyer, Lake34 days

Nearby

Tornado Warnings in Arkansas, 2011Tornado Warnings in Missouri, 2011Tornado Warnings in Tennessee, 2011Every tornado warning in 2011Tornadoes 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.