Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 133, NWS Memphis, TN

May 1, 20114 counties in Tennessee

NWS Memphis, TN issued this tornado warning at May 1, 2011, 3:54 PM CDT for 4 counties in Tennessee. It was in force for 34 min. 1 report 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, 3:54 PM CDT (20:54 UTC)
Expired
May 1, 2011, 4:28 PM CDT
In force
34 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Fayette County, TN, Hardeman County, TN, Haywood County, TN, Madison County, TN

The radar

The Memphis radar (KNQA), 63 km from the middle of the area, began a volume at 20:54 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, 4:10 PM CDTFUNNEL CLOUDDancyville, 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
May 1, 12:47 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.9 hours before the alert went out and 93 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.

895 
WFUS54 KMEG 012054
TORMEG
TNC047-069-075-113-012145-
/O.NEW.KMEG.TO.W.0133.110501T2054Z-110501T2145Z/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE...
  NORTHERN HARDEMAN COUNTY IN SOUTHWEST TENNESSEE...
  SOUTHERN HAYWOOD COUNTY IN SOUTHWEST TENNESSEE...
  SOUTHWESTERN MADISON COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 445 PM CDT

* AT 354 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO 9 MILES SOUTHWEST OF
  DANCYVILLE...OR 20 MILES SOUTHEAST OF COVINGTON...MOVING EAST AT 40
  MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CLOVERPORT...DANCYVILLE...HILLVILLE...MERCER AND WHITEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE BASEBALL SIZE 
HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 80 MPH.

&&

LAT...LON 3526 8954 3540 8949 3540 8948 3546 8947
      3557 8891 3541 8885 3539 8886 3538 8884
      3531 8881
TIME...MOT...LOC 2054Z 257DEG 36KT 3535 8937

$$
BORGHOFF
3 follow-up statements
340 
WWUS54 KMEG 012106
SVSMEG

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

TNC047-069-075-113-012145-
/O.CON.KMEG.TO.W.0133.000000T0000Z-110501T2145Z/
FAYETTE TN-HAYWOOD TN-MADISON TN-HARDEMAN TN-
406 PM CDT SUN MAY 1 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR NORTHERN
HARDEMAN...SOUTHWESTERN MADISON...SOUTHERN HAYWOOD AND NORTHEASTERN
FAYETTE COUNTIES...

AT 406 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR DANCYVILLE...OR 15
MILES SOUTH OF BROWNSVILLE...MOVING EAST AT 35 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CLOVERPORT...
DANCYVILLE...HILLVILLE...MERCER...STANTON...TOONE...WHITEVILLE...
MOORMAN...YUM YUM...TAYLOR CHAPEL...MILLER...FAYETTE CORNERS...MEUX
CORNER AND ASBURY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3535 8883 3529 8939 3547 8941 3557 8891
      3541 8885 3539 8886 3538 8884
TIME...MOT...LOC 2106Z 254DEG 31KT 3539 8926

$$
BORGHOFF
238 
WWUS54 KMEG 012119
SVSMEG

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

TNC047-012129-
/O.CAN.KMEG.TO.W.0133.000000T0000Z-110501T2145Z/
FAYETTE TN-
419 PM CDT SUN MAY 1 2011

...THE TORNADO WARNING FOR NORTHEASTERN FAYETTE COUNTY IS
CANCELLED...

AT 419 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 3541 8885 3537 8918 3540 8919 3540 8924
      3549 8926 3557 8891
TIME...MOT...LOC 2119Z 249DEG 26KT 3542 8917

$$

TNC069-075-113-012145-
/O.CON.KMEG.TO.W.0133.000000T0000Z-110501T2145Z/
HAYWOOD TN-MADISON TN-HARDEMAN TN-
419 PM CDT SUN MAY 1 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHWESTERN HARDEMAN...SOUTHWESTERN MADISON AND SOUTHEASTERN HAYWOOD
COUNTIES...

AT 419 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CEDAR CHAPEL...OR
13 MILES SOUTH OF BROWNSVILLE...MOVING EAST AT 30 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CLOVERPORT...
HILLVILLE...MERCER...DENMARK...NEELY...HATCHIE...UPTONVILLE...CEDAR
CHAPEL...VILDO AND TEAGUE.

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 3541 8885 3537 8918 3540 8919 3540 8924
      3549 8926 3557 8891
TIME...MOT...LOC 2119Z 249DEG 26KT 3542 8917

$$
BORGHOFF
126 
WWUS54 KMEG 012128
SVSMEG

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

TNC069-075-113-012138-
/O.CAN.KMEG.TO.W.0133.000000T0000Z-110501T2145Z/
HAYWOOD TN-MADISON TN-HARDEMAN TN-
428 PM CDT SUN MAY 1 2011

...THE TORNADO WARNING FOR NORTHWESTERN HARDEMAN...SOUTHWESTERN
MADISON AND SOUTHEASTERN HAYWOOD COUNTIES IS CANCELLED...

AT 428 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 IS CANCELLED.

LAT...LON 3541 8885 3537 8918 3540 8919 3540 8924
      3549 8926 3557 8891
TIME...MOT...LOC 2128Z 249DEG 26KT 3544 8909

$$
BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
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, 3:11 AM CDTSevere Thunderstorm WarningMEGLauderdale, Shelby, Tipton49 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, 4:47 AM CDTFlash Flood WarningMEGCarroll, Chester, Crockett, Decatur, Fayette, Gibson and 9 more9 hr
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, 11:10 AM CDTSevere Thunderstorm WarningMEGLauderdale, Tipton23 min
May 1, 11:29 AM CDTFlash Flood WarningMEGCarroll, Crockett, Dyer, Gibson, Henry, Lake and 3 more6 hr
May 1, 11:56 AM CDTSpecial Weather StatementMEGLauderdale49 min
May 1, 12:35 PM CDTAreal Flood AdvisoryMEGShelby, Tipton12 hr
May 1, 12:41 PM CDTSpecial Weather StatementMEGDyer, Lake, Lauderdale49 min
May 1, 2:15 PM CDTSevere Thunderstorm WarningMEGShelby60 min
May 1, 2:16 PM CDTSpecial Weather StatementMEGObion29 min
May 1, 2:24 PM CDTSevere Thunderstorm WarningMEGDyer, Lauderdale, Tipton51 min
May 1, 2:42 PM CDTTornado WarningMEGLauderdale, Shelby, Tipton48 min
May 1, 2:53 PM CDTSevere Thunderstorm WarningMEGDyer, Haywood, Lauderdale, Tipton52 min
May 1, 2:59 PM CDTSevere Thunderstorm WarningMEGShelby46 min
May 1, 3:10 PM CDTTornado WarningMEGShelby41 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, 3:56 PM CDTSevere Thunderstorm WarningMEGCarroll, Crockett, Gibson, Haywood, Henderson, Madison and 1 more49 min
May 1, 3:59 PM CDTFlash Flood WarningMEGCarroll, Crockett, Decatur, Dyer, Fayette, Gibson and 8 more3 hr
May 1, 4:40 PM CDTSevere Thunderstorm WarningMEGFayette, Shelby50 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

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.