Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 174, NWS Memphis, TN

May 25, 20115 counties in Mississippi

NWS Memphis, TN issued this tornado warning at May 25, 2011, 9:27 PM CDT for 5 counties in Mississippi. It was in force for 32 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 25, 2011, 9:27 PM CDT (02:27 UTC)
Expired
May 25, 2011, 9:59 PM CDT
In force
32 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Benton County, MS, Lafayette County, MS, Marshall County, MS, Tippah County, MS, Union County, MS

The radar

The Memphis radar (KNQA), 102 km from the middle of the area, began a volume at 02:28 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 25, 9:55 PM CDTTSTM WND DMGNew Albany, MSTREES AND POWER LINES DOWN ACROSS MUCH OF THE COUNTY.

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 25, 8:33 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 2.5 hours before the alert went out and 75 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 2011-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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 2011-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
2 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
2470 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

638 
WFUS54 KMEG 260227
TORMEG
MSC009-071-093-139-145-260315-
/O.NEW.KMEG.TO.W.0174.110526T0227Z-110526T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
927 PM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BENTON COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTHWESTERN TIPPAH COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHWESTERN UNION COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHEASTERN LAFAYETTE COUNTY IN NORTHWEST MISSISSIPPI...
  SOUTHEASTERN MARSHALL COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 1015 PM CDT

* AT 928 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO 6 MILES WEST OF
  CAMBRIDGE...OR 9 MILES NORTH OF OXFORD...MOVING NORTHEAST AT 45
  MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW ALBANY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

.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.

.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3486 8896 3448 8894 3439 8945 3464 8947
TIME...MOT...LOC 0228Z 236DEG 39KT 3450 8945

$$
3 follow-up statements
793 
WWUS54 KMEG 260246
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
946 PM CDT WED MAY 25 2011

MSC071-093-260256-
/O.CAN.KMEG.TO.W.0174.000000T0000Z-110526T0315Z/
MARSHALL MS-LAFAYETTE MS-
946 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR NORTHEASTERN LAFAYETTE AND SOUTHEASTERN
MARSHALL COUNTIES IS CANCELLED...

AT 946 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 3443 8924 3474 8924 3486 8896 3448 8894
      3445 8910
TIME...MOT...LOC 0246Z 236DEG 39KT 3461 8925

$$

MSC009-139-145-260315-
/O.CON.KMEG.TO.W.0174.000000T0000Z-110526T0315Z/
TIPPAH MS-BENTON MS-UNION MS-
946 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
NORTHWESTERN UNION...SOUTHERN BENTON AND SOUTHWESTERN TIPPAH
COUNTIES...

AT 946 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HICKORY FLAT...OR
12 MILES SOUTHEAST OF WALL DOXEY STATE PARK...MOVING NORTHEAST AT 45
MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HICKORY
FLAT...MYRTLE...NEW ALBANY...SPRING HILL...BETHEL...COTTON PLANT...
WHITTEN TOWN...CONCORD...SMALCO...PUMPKIN CENTER...SHARI...
GLENFIELD...POOLVILLE AND UNION HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3443 8924 3474 8924 3486 8896 3448 8894
      3445 8910
TIME...MOT...LOC 0246Z 236DEG 39KT 3461 8925

$$
497 
WWUS54 KMEG 260256
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
956 PM CDT WED MAY 25 2011

MSC009-145-260306-
/O.CAN.KMEG.TO.W.0174.000000T0000Z-110526T0315Z/
BENTON MS-UNION MS-
956 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR NORTHWESTERN UNION AND SOUTHERN BENTON
COUNTIES IS CANCELLED...

AT 956 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 3461 8900 3460 8907 3481 8908 3482 8906
      3482 8904 3483 8903 3486 8896 3460 8895
TIME...MOT...LOC 0256Z 236DEG 39KT 3467 8914

$$

MSC139-260315-
/O.CON.KMEG.TO.W.0174.000000T0000Z-110526T0315Z/
TIPPAH MS-
956 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
SOUTHWESTERN TIPPAH COUNTY...

AT 956 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED 8
MILES WEST OF BLUE MOUNTAIN...OR 14 MILES NORTHWEST OF NEW ALBANY...
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITTEN TOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3461 8900 3460 8907 3481 8908 3482 8906
      3482 8904 3483 8903 3486 8896 3460 8895
TIME...MOT...LOC 0256Z 236DEG 39KT 3467 8914

$$
685 
WWUS54 KMEG 260259
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
959 PM CDT WED MAY 25 2011

MSC139-260309-
/O.CAN.KMEG.TO.W.0174.000000T0000Z-110526T0315Z/
TIPPAH MS-
959 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR SOUTHWESTERN TIPPAH COUNTY IS CANCELLED...

AT 959 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND 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 3461 8900 3460 8907 3481 8908 3482 8906
      3482 8904 3483 8903 3486 8896 3460 8895
TIME...MOT...LOC 0259Z 236DEG 39KT 3469 8910

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:01 PM CDTSevere Thunderstorm WarningMEGDeSoto, Panola, Quitman, Tate, Tunica44 min
May 25, 7:05 PM CDTTornado WarningMEGCoahoma, Tate, Tunica40 min
May 25, 7:17 PM CDTTornado WarningMEGCoahoma, Quitman43 min
May 25, 7:28 PM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall, Tunica47 min
May 25, 7:32 PM CDTTornado WarningMEGDeSoto, Tate, Tunica43 min
May 25, 7:48 PM CDTTornado WarningMEGCoahoma, Quitman, Tallahatchie42 min
May 25, 8:09 PM CDTTornado WarningMEGDeSoto, Marshall, Tate32 min
May 25, 8:20 PM CDTSevere Thunderstorm WarningMEGPanola, Quitman, Tallahatchie, Yalobusha40 min
May 25, 8:26 PM CDTTornado WarningMEGPanola, Quitman, Tallahatchie34 min
May 25, 8:39 PM CDTTornado WarningMEGCoahoma, Quitman, Tallahatchie51 min
May 25, 8:52 PM CDTTornado WarningMEGLafayette, Panola, Tallahatchie, Yalobusha53 min
May 25, 9:30 PM CDTSevere Thunderstorm WarningMEGLafayette, Lee, Pontotoc, Union45 min
May 25, 9:51 PM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw, Lafayette, Lee, Monroe, Pontotoc54 min
May 25, 9:53 PM CDTSevere Thunderstorm WarningMEGAlcorn, Prentiss, Tippah, Union52 min
May 25, 10:07 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss, Tishomingo, Union53 min
May 25, 10:19 PM CDTSevere Thunderstorm WarningMEGAlcorn, Prentiss, Tishomingo41 min
May 25, 10:32 PM CDTTornado WarningMEGAlcorn, Tishomingo26 min
May 25, 10:37 PM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc53 min
May 25, 10:53 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss, Tishomingo37 min
May 25, 11:22 PM CDTSevere Thunderstorm WarningMEGItawamba, Monroe38 min
May 26, 2:32 AM CDTSevere Thunderstorm WarningMEGCalhoun, Lafayette, Lee, Pontotoc, Union, Yalobusha43 min

Nearby

Tornado 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.