Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 170, NWS Memphis, TN

May 25, 2011DeSoto County, Marshall County, Tate County, Mississippi

NWS Memphis, TN issued this tornado warning at May 25, 2011, 8:09 PM CDT for DeSoto County, Marshall County, Tate County, Mississippi. It was in force for 32 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 25, 2011, 8:09 PM CDT (01:09 UTC)
Expired
May 25, 2011, 8:41 PM CDT
In force
32 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties DeSoto County, MS, Marshall County, MS, Tate County, MS

The radar

The Memphis radar (KNQA), 60 km from the middle of the area, began a volume at 01:10 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 25, 12:28 PM CDTTornado Watch PDSSPC8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.2 hours before the alert went out and 13 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.

695 
WFUS54 KMEG 260109
TORMEG
MSC033-093-137-260200-
/O.NEW.KMEG.TO.W.0170.110526T0109Z-110526T0200Z/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN DESOTO COUNTY IN NORTHWEST MISSISSIPPI...
  NORTHWESTERN MARSHALL COUNTY IN NORTHWEST MISSISSIPPI...
  NORTHERN TATE COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 900 PM CDT

* AT 809 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR COLDWATER...OR 7 MILES
  NORTH OF SENATOBIA...MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
  OF NORTHERN TATE...NORTHWESTERN MARSHALL AND SOUTHEASTERN DESOTO
  COUNTIES.

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.

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

&&

LAT...LON 3499 8971 3470 8949 3462 9002 3474 9011
TIME...MOT...LOC 0109Z 237DEG 53KT 3475 8996

$$
2 follow-up statements
444 
WWUS54 KMEG 260120
SVSMEG

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

MSC033-093-137-260200-
/O.CON.KMEG.TO.W.0170.000000T0000Z-110526T0200Z/
DESOTO MS-MARSHALL MS-TATE MS-
820 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTH
CENTRAL TATE...NORTHWESTERN MARSHALL AND SOUTHEASTERN DESOTO
COUNTIES...

AT 821 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ALPHABA...OR 7
MILES EAST OF HERNANDO...MOVING NORTHEAST AT 60 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LOVE...
BRIGHT...ALPHABA...COCKRUM...CEDARVIEW...MILLER...FAIRHAVEN...HANDY
CORNER...LURLINE...NEW GARDEN...WAKEFIELD...WATSON...VICTORIA AND
COAL OIL CORNER.

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.

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

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

&&

LAT...LON 3499 8971 3476 8953 3469 8992 3480 9001
TIME...MOT...LOC 0121Z 237DEG 53KT 3484 8977

$$
670 
WWUS54 KMEG 260141
SVSMEG

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

MSC033-093-137-260151-
/O.CAN.KMEG.TO.W.0170.000000T0000Z-110526T0200Z/
DESOTO MS-MARSHALL MS-TATE MS-
841 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR NORTH CENTRAL TATE...NORTHWESTERN MARSHALL
AND SOUTHEASTERN DESOTO COUNTIES IS CANCELLED...

AT 841 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.

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

LAT...LON 3499 8971 3476 8953 3469 8992 3480 9001
TIME...MOT...LOC 0141Z 237DEG 53KT 3500 8947

$$

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, 8:20 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, 9:27 PM CDTTornado WarningMEGBenton, Lafayette, Marshall, Tippah, Union32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.