Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 14, NWS Memphis, TN

February 24, 20114 counties in Tennessee

NWS Memphis, TN issued this tornado warning at Feb 24, 2011, 7:56 PM CST for 4 counties in Tennessee. It was in force for 49 min. 5 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, 7:56 PM CST (01:56 UTC)
Expired
Feb 24, 2011, 8:45 PM CST
In force
49 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Chester County, TN, Fayette County, TN, Hardeman County, TN, McNairy County, TN

The radar

The Memphis radar (KNQA), 104 km from the middle of the area, began a volume at 02:00 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, 8:00 PM CSTTSTM WND GST 60Henderson, TN
Feb 24, 8:07 PM CSTTSTM WND GST 60Henderson, TNMEASURED WITH A WEATHER STATION
Feb 24, 8:15 PM CSTTSTM WND DMGHenderson, TNTREES DOWN JUST WEST OF HENDERSON NEAR CHICKASAW...ALSO AT SAND ROAD TO WILSON SCHOOL ROAD.
Feb 24, 8:15 PM CSTTSTM WND GST 100Henderson, TN100 MPH WIND ESTIMATED.
Feb 24, 8:25 PM CSTHAIL 0.75Jacks Creek, TN

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, 1.9 hours before the alert went out and 125 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.

198 
WFUS54 KMEG 250156
TORMEG
TNC023-047-069-109-250245-
/O.NEW.KMEG.TO.W.0014.110225T0156Z-110225T0245Z/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  CHESTER COUNTY IN SOUTHWEST TENNESSEE...
  EAST CENTRAL FAYETTE COUNTY IN SOUTHWEST TENNESSEE...
  HARDEMAN COUNTY IN SOUTHWEST TENNESSEE...
  NORTHERN MCNAIRY COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 845 PM CST

* AT 755 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS WITH EMBEDDED TORNADOES ALONG A     
  LINE EXTENDING FROM CHICKASAW STATE FOREST TO BOLIVAR TO 17        
  MILES SOUTHWEST OF BOLIVAR...MOVING EAST AT 65 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BOLIVAR...
  HENDERSON...SELMER...CHICKASAW STATE PARK...CHICKASAW STATE FOREST
  AND T O FULLER STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO TORNADOES...THESE STORMS WILL PRODUCE DESTRUCTIVE 
STRAIGHT LINE WINDS IN EXCESS OF 80 MPH.

.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 3516 8840 3505 8938 3528 8912 3541 8901
      3544 8884 3544 8879 3545 8876 3550 8845
      3549 8842 3537 8837
TIME...MOT...LOC 0155Z 254DEG 55KT 3546 8881 3529 8895
          3512 8915

$$
1 follow-up statement
945 
WWUS54 KMEG 250238 RRA
SVSMEG

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

TNC047-069-250248-
/O.CAN.KMEG.TO.W.0014.000000T0000Z-110225T0245Z/
FAYETTE TN-HARDEMAN TN-
838 PM CST THU FEB 24 2011

...THE TORNADO WARNING FOR HARDEMAN AND EAST CENTRAL FAYETTE COUNTIES
IS CANCELLED...

AT 838 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE TORNADO WARNING IS CANCELLED.

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

LAT...LON 3516 8840 3514 8872 3546 8841 3537 8837
TIME...MOT...LOC 0238Z 254DEG 55KT 3564 8803 3547 8817
          3530 8838

$$

TNC023-109-250245-
/O.CON.KMEG.TO.W.0014.000000T0000Z-110225T0245Z/
CHESTER TN-MCNAIRY TN-
838 PM CST THU FEB 24 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR NORTHERN
MCNAIRY AND EAST CENTRAL CHESTER COUNTIES...

AT 838 PM CST...A LINE OF SEVERE THUNDERSTORMS WITH EMBEDDED 
TORNADOES WERE LOCATED ALONG A LINE EXTENDING FROM 26 MILES 
NORTHEAST OF ENVILLE TO 13 MILES EAST OF ENVILLE TO HICKORY 
FLATS...OR ALONG A LINE EXTENDING FROM 14 MILES SOUTHEAST OF NATCHEZ 
TRACE STATE FOREST TO 16 MILES NORTH OF SAVANNAH TO 11 MILES 
NORTHWEST OF SAVANNAH...MOVING EAST AT 65 MPH. DESTRUCTIVE STRAIGHT 
LINE WINDS IN EXCESS OF 80 MPH ARE ALSO EXPECTED.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BETHEL
SPRINGS...ENVILLE...SELMER...HICKORY FLATS...GOOD HOPE...FORTY
FORKS...PURDY...MARTIN CAMP...OLD LAWTON...NEW LAWTON AND GILCHRIST.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BETHEL
SPRINGS...ENVILLE...SELMER...HICKORY FLATS...GOOD HOPE...FORTY
FORKS...PURDY...MARTIN CAMP...OLD LAWTON...NEW LAWTON AND GILCHRIST.

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

LAT...LON 3516 8840 3514 8872 3546 8841 3537 8837
TIME...MOT...LOC 0238Z 254DEG 55KT 3564 8803 3547 8817
          3530 8838

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 6:11 PM CSTSevere Thunderstorm WarningMEGDyer, Henry, Lake, Lauderdale, Tipton, Weakley90 days
Feb 24, 6:14 PM CSTTornado WarningMEGLauderdale31 min
Feb 24, 6:19 PM CSTTornado WarningMEGObion, Weakley28 min
Feb 24, 6:23 PM CSTSevere Thunderstorm WarningMEGLauderdale, Tipton90 days
Feb 24, 6:28 PM CSTSevere Thunderstorm WarningMEGCarroll, Fayette, Gibson, Henry, Shelby, Tipton and 1 more90 days
Feb 24, 6:34 PM CSTTornado WarningMEGShelby26 min
Feb 24, 6:38 PM CSTTornado WarningMEGCrockett, Dyer, Lake, Lauderdale, Obion52 min
Feb 24, 6:41 PM CSTFlash Flood WarningMEGCrockett, Gibson, Haywood, Lauderdale, Tipton3 hr
Feb 24, 6:56 PM CSTFlash Flood WarningMEGFayette, Shelby3 hr
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, 7:58 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
Feb 25, 6:40 AM CSTRiver Flood WarningMEGDyer, Lake, Lauderdale37 days
Feb 25, 1:37 PM CSTRiver Flood WarningMEGLauderdale, Tipton38 days

Nearby

Tornado 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.