Alert archive / Arkansas / Tornado Warnings in 2011

Tornado Warning 132, NWS Memphis, TN

May 1, 2011Crittenden County, Arkansas; Shelby County, Tennessee; DeSoto County, Mississippi

NWS Memphis, TN issued this tornado warning at May 1, 2011, 3:10 PM CDT for Crittenden County, Arkansas; Shelby County, Tennessee; DeSoto County, Mississippi. It was in force for 41 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
May 1, 2011, 3:10 PM CDT (20:10 UTC)
Expired
May 1, 2011, 3:51 PM CDT
In force
41 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Crittenden County, AR, DeSoto County, MS, Shelby County, TN

The radar

The Memphis radar (KNQA), 39 km from the middle of the area, began a volume at 20:13 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 watch it was issued in

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

IssuedProductOfficeLasted
May 1, 12:47 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.2 hours before the alert went out and 35 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°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.

130 
WFUS54 KMEG 012010
TORMEG
ARC035-MSC033-TNC157-012100-
/O.NEW.KMEG.TO.W.0132.110501T2010Z-110501T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
310 PM CDT SUN MAY 1 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CRITTENDEN COUNTY IN EASTERN ARKANSAS...
  NORTHWESTERN DESOTO COUNTY IN NORTHWEST MISSISSIPPI...
  WESTERN SHELBY COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 400 PM CDT

* AT 310 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR SIMSBORO...OR 9 MILES
  NORTHEAST OF HUGHES...MOVING EAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  EDMONDSON...PINCKNEY...SIMSBORO...WEST MEMPHIS...BARTLETT...
  DOWNTOWN MEMPHIS...FRAYSER...MIDTOWN MEMPHIS...SOUTHEAST MEMPHIS...
  SOUTHWEST MEMPHIS AND WHITEHAVEN.

 THIS WARNING ALSO INCLUDES AREAS NEAR HORN LAKE...LAKE MCKELLAR AND
  ROBCO LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3509 9040 3533 8985 3502 8980 3494 9039
TIME...MOT...LOC 2010Z 249DEG 38KT 3503 9032

$$
BORGHOFF
4 follow-up statements
270 
WWUS54 KMEG 012020
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
320 PM CDT SUN MAY 1 2011

MSC033-012030-
/O.CAN.KMEG.TO.W.0132.000000T0000Z-110501T2100Z/
DESOTO MS-
320 PM CDT SUN MAY 1 2011

...THE TORNADO WARNING FOR NORTHWESTERN DESOTO COUNTY IS CANCELLED...

AT 320 PM CDT...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.

LAT...LON 3533 8985 3502 8980 3500 9027 3510 9030
TIME...MOT...LOC 2020Z 249DEG 42KT 3508 9016

$$

ARC035-TNC157-012100-
/O.CON.KMEG.TO.W.0132.000000T0000Z-110501T2100Z/
CRITTENDEN AR-SHELBY TN-
320 PM CDT SUN MAY 1 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR WESTERN
SHELBY AND EAST CENTRAL CRITTENDEN COUNTIES...

AT 320 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WYANDOKE...OR 6
MILES SOUTH OF WEST MEMPHIS...MOVING EAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST
MEMPHIS...BARTLETT...DOWNTOWN MEMPHIS...FRAYSER...MIDTOWN MEMPHIS...
SOUTHEAST MEMPHIS...SOUTHWEST MEMPHIS...WHITEHAVEN...BRIARK...BRIDGE
JUNCTION...HULBERT...RICEVILLE...GALET AND AMANEA.

 THIS WARNING ALSO INCLUDES AREAS NEAR LAKE MCKELLAR AND ROBCO LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3533 8985 3502 8980 3500 9027 3510 9030
TIME...MOT...LOC 2020Z 249DEG 42KT 3508 9016

$$
BORGHOFF
414 
WWUS54 KMEG 012039
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
339 PM CDT SUN MAY 1 2011

ARC035-012049-
/O.CAN.KMEG.TO.W.0132.000000T0000Z-110501T2100Z/
CRITTENDEN AR-
339 PM CDT SUN MAY 1 2011

...THE TORNADO WARNING FOR EAST CENTRAL CRITTENDEN COUNTY IS
CANCELLED...

AT 339 PM CDT...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.

LAT...LON 3508 9003 3515 9005 3527 8984 3511 8981
TIME...MOT...LOC 2039Z 249DEG 37KT 3515 8993

$$

TNC157-012100-
/O.CON.KMEG.TO.W.0132.000000T0000Z-110501T2100Z/
SHELBY TN-
339 PM CDT SUN MAY 1 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR CENTRAL
SHELBY COUNTY...

AT 339 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR MIDTOWN MEMPHIS...
MOVING EAST AT 40 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BARTLETT...
MIDTOWN MEMPHIS...RALEIGH...ELMORE PARK AND WHITE STATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3508 9003 3515 9005 3527 8984 3511 8981
TIME...MOT...LOC 2039Z 249DEG 37KT 3515 8993

$$
BORGHOFF
513 
WWUS54 KMEG 012049
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
349 PM CDT SUN MAY 1 2011

TNC157-012100-
/O.CON.KMEG.TO.W.0132.000000T0000Z-110501T2100Z/
SHELBY TN-
349 PM CDT SUN MAY 1 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR CENTRAL
SHELBY COUNTY...

AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR RALEIGH...OR NEAR
BARTLETT...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BARTLETT...
ELLENDALE...RALEIGH...SPRING LAKE AND ELMORE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3514 8992 3520 8997 3527 8984 3517 8982
TIME...MOT...LOC 2050Z 239DEG 28KT 3520 8987

$$
BORGHOFF
554 
WWUS54 KMEG 012051 RRA
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
351 PM CDT SUN MAY 1 2011

TNC157-012101-
/O.CAN.KMEG.TO.W.0132.000000T0000Z-110501T2100Z/
SHELBY TN-
351 PM CDT SUN MAY 1 2011

...THE TORNADO WARNING FOR CENTRAL SHELBY COUNTY IS CANCELLED...

AT 351 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3514 8992 3520 8997 3527 8984 3517 8982
TIME...MOT...LOC 2051Z 239DEG 28KT 3520 8986

$$
BORGHOFF

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, 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, 3:59 PM CDTFlash Flood WarningMEGCrittenden, Mississippi3 hr
May 1, 4:40 PM CDTSevere Thunderstorm WarningMEGCrittenden50 min
May 1, 1:20 AM CDTSpecial Weather StatementMEGDyer, Lauderdale25 min
May 1, 2:28 AM CDTSpecial Weather StatementMEGCrockett, Gibson, Haywood32 min
May 1, 2:29 AM CDTSpecial Weather StatementMEGLauderdale, Tipton31 min
May 1, 3:04 AM CDTSpecial Weather StatementMEGCrockett, Haywood26 min
May 1, 3:33 AM CDTSpecial Weather StatementMEGGibson27 min
May 1, 3:47 AM CDTSpecial Weather StatementMEGHaywood28 min
May 1, 4:21 AM CDTSpecial Weather StatementMEGHaywood24 min
May 1, 7:32 AM CDTSpecial Weather StatementMEGShelby, Tipton28 min
May 1, 8:44 AM CDTSpecial Weather StatementMEGShelby46 min
May 1, 9:40 AM CDTSpecial Weather StatementMEGHaywood, Tipton50 min
May 1, 10:53 AM CDTRiver Flood WarningMEGShelby62 hr
May 1, 10:53 AM CDTRiver Flood WarningMEGFayette, Shelby62 hr
May 1, 11:09 AM CDTSpecial Weather StatementMEGLauderdale51 min
May 1, 12:35 PM CDTAreal Flood AdvisoryMEGShelby, Tipton12 hr
May 1, 2:16 PM CDTSpecial Weather StatementMEGObion29 min
May 1, 3:22 PM CDTSevere Thunderstorm WarningMEGCrockett, Dyer, Fayette, Gibson, Haywood, Lauderdale and 2 more53 min
May 1, 3:37 PM CDTSevere Thunderstorm WarningMEGDyer, Gibson, Henry, Obion, Weakley38 min
May 1, 3:54 PM CDTTornado WarningMEGFayette, Hardeman, Haywood, Madison34 min
May 1, 3:56 PM CDTSevere Thunderstorm WarningMEGCarroll, Crockett, Gibson, Haywood, Henderson, Madison and 1 more49 min
May 1, 5:26 PM CDTSevere Thunderstorm WarningMEGFayette, Hardeman, Haywood, Madison, Shelby, Tipton49 min
May 1, 5:48 PM CDTTornado WarningMEGFayette, Hardeman, Haywood, Madison33 min
May 1, 8:52 AM CDTRiver Flood WarningMEGTate, Tunica26 hr

Nearby

Tornado Warnings in Arkansas, 2011Tornado Warnings in Tennessee, 2011Tornado Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.