Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 168, NWS Memphis, TN

May 25, 2011Coahoma County, Quitman County, Tallahatchie County, Mississippi; Phillips County, Arkansas

NWS Memphis, TN issued this tornado warning at May 25, 2011, 7:48 PM CDT for Coahoma County, Quitman County, Tallahatchie County, Mississippi; Phillips County, Arkansas. It was in force for 42 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, 7:48 PM CDT (00:48 UTC)
Expired: May 25, 2011, 8:30 PM CDT
In force: 42 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Phillips County, AR, Coahoma County, MS, Quitman County, MS, Tallahatchie County, MS

The radar

The Memphis radar (KNQA), 151 km from the middle of the area, began a volume at 00:52 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

Time	Report	Where	Remark
May 25, 8:30 PM CDT	FUNNEL CLOUD	5 E Denton, MS	FUNNEL CLOUD WAS RAIN WRAPPED

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.

Issued	Product	Office	Lasted
May 25, 12:28 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.8 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

559 
WFUS54 KMEG 260048
TORMEG
ARC107-MSC027-119-135-260130-
/O.NEW.KMEG.TO.W.0168.110526T0048Z-110526T0130Z/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL PHILLIPS COUNTY IN EASTERN ARKANSAS...
  COAHOMA COUNTY IN NORTHWEST MISSISSIPPI...
  QUITMAN COUNTY IN NORTHWEST MISSISSIPPI...
  CENTRAL TALLAHATCHIE COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 830 PM CDT

* AT 748 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR CLARKSDALE...MOVING
  NORTHEAST AT 45 MPH.

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

 THIS WARNING ALSO INCLUDES AREAS NEAR DESOTO LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

.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 3398 9065 3399 9066 3412 9067 3412 9092
      3413 9093 3422 9092 3435 9054 3445 9020
      3399 9015
TIME...MOT...LOC 0048Z 245DEG 39KT 3424 9055

$$

2 follow-up statements

202 
WWUS54 KMEG 260100
SVSMEG

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

ARC107-260110-
/O.CAN.KMEG.TO.W.0168.000000T0000Z-110526T0130Z/
PHILLIPS AR-
800 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR SOUTH CENTRAL PHILLIPS COUNTY IS
CANCELLED...

AT 800 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 3398 9065 3412 9067 3412 9085 3415 9082
      3421 9079 3435 9054 3445 9020 3399 9015
TIME...MOT...LOC 0100Z 245DEG 39KT 3429 9041

$$

MSC027-119-135-260130-
/O.CON.KMEG.TO.W.0168.000000T0000Z-110526T0130Z/
COAHOMA MS-QUITMAN MS-TALLAHATCHIE MS-
800 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR CENTRAL
TALLAHATCHIE...QUITMAN AND COAHOMA COUNTIES...

AT 800 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR JONESTOWN...OR 9
MILES NORTHEAST OF CLARKSDALE...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BOBO...
BRAZIL...CLARKSDALE...DENTON...FALCON...LYON...WAVERLY...BEAVER
DAM...RENA LARA...BEVERLY...GREEN GROVE...FARRELL...COUNTS AND
MATTSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 3398 9065 3412 9067 3412 9085 3415 9082
      3421 9079 3435 9054 3445 9020 3399 9015
TIME...MOT...LOC 0100Z 245DEG 39KT 3429 9041

$$

066 
WWUS54 KMEG 260115
SVSMEG

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

MSC027-119-135-260130-
/O.CON.KMEG.TO.W.0168.000000T0000Z-110526T0130Z/
COAHOMA MS-QUITMAN MS-TALLAHATCHIE MS-
815 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR CENTRAL
TALLAHATCHIE...QUITMAN AND SOUTHEASTERN COAHOMA COUNTIES...

AT 814 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR ESSEX...OR 19 MILES NORTHEAST OF CLARKSDALE...MOVING NORTHEAST
AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRAZIL...
CLARKSDALE...DENTON...FALCON...LYON...WAVERLY...BEAVER DAM...
COUNTS...MATTSON...CLAREMONT...LURAND...HOPSON...MATAGORDA AND
LONGSTREET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 3398 9065 3399 9065 3412 9067 3420 9059
      3423 9058 3438 9045 3445 9020 3399 9015
TIME...MOT...LOC 0114Z 245DEG 39KT 3435 9024

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:01 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Panola, Quitman, Tate, Tunica	44 min
May 25, 7:05 PM CDT	Tornado Warning	MEG	Coahoma, Tate, Tunica	40 min
May 25, 7:17 PM CDT	Tornado Warning	MEG	Coahoma, Quitman	43 min
May 25, 7:28 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Marshall, Tunica	47 min
May 25, 7:32 PM CDT	Tornado Warning	MEG	DeSoto, Tate, Tunica	43 min
May 25, 8:09 PM CDT	Tornado Warning	MEG	DeSoto, Marshall, Tate	32 min
May 25, 8:20 PM CDT	Severe Thunderstorm Warning	MEG	Panola, Quitman, Tallahatchie, Yalobusha	40 min
May 25, 8:26 PM CDT	Tornado Warning	MEG	Panola, Quitman, Tallahatchie	34 min
May 25, 8:39 PM CDT	Tornado Warning	MEG	Coahoma, Quitman, Tallahatchie	51 min
May 25, 8:52 PM CDT	Tornado Warning	MEG	Lafayette, Panola, Tallahatchie, Yalobusha	53 min
May 25, 9:27 PM CDT	Tornado Warning	MEG	Benton, Lafayette, Marshall, Tippah, Union	32 min
May 25, 9:30 PM CDT	Severe Thunderstorm Warning	MEG	Lafayette, Lee, Pontotoc, Union	45 min
May 25, 9:51 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Lafayette, Lee, Monroe, Pontotoc	54 min
May 25, 9:53 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Prentiss, Tippah, Union	52 min
May 25, 10:07 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo, Union	53 min
May 25, 10:19 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Prentiss, Tishomingo	41 min
May 25, 10:32 PM CDT	Tornado Warning	MEG	Alcorn, Tishomingo	26 min
May 25, 10:37 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc	53 min
May 25, 10:53 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo	37 min
May 25, 11:22 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Monroe	38 min
May 26, 2:32 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Lafayette, Lee, Pontotoc, Union, Yalobusha	43 min

Nearby

Tornado Warnings in Mississippi, 2011 Tornado Warnings in Arkansas, 2011 Every tornado warning in 2011 Tornadoes 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.