Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 162, NWS Memphis, TN

May 25, 2011Coahoma County, Tate County, Tunica County, Mississippi; Lee County, Phillips County, Arkansas

NWS Memphis, TN issued this tornado warning at May 25, 2011, 7:05 PM CDT for Coahoma County, Tate County, Tunica County, Mississippi; Lee County, Phillips County, Arkansas. It was in force for 40 min. 4 reports 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, 7:05 PM CDT (00:05 UTC)
Expired: May 25, 2011, 7:45 PM CDT
In force: 40 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Lee County, AR, Phillips County, AR, Coahoma County, MS, Tate County, MS, Tunica County, MS

The radar

The Memphis radar (KNQA), 93 km from the middle of the area, began a volume at 00:05 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, 7:20 PM CDT	FUNNEL CLOUD	1 W Austin, MS	POSSIBLE TORNADO
May 25, 7:20 PM CDT	TORNADO	1 W Austin, MS
May 25, 7:34 PM CDT	TORNADO	6 Se Tunica, MS
May 25, 7:45 PM CDT	TORNADO	6 Se Tunica, MS

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, 0.1 hours before the alert went out and 46 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.

201 
WFUS54 KMEG 260005
TORMEG
ARC077-107-MSC027-137-143-260045-
/O.NEW.KMEG.TO.W.0162.110526T0005Z-110526T0045Z/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LEE COUNTY IN EASTERN ARKANSAS...
  NORTHEASTERN PHILLIPS COUNTY IN EASTERN ARKANSAS...
  EXTREME NORTH CENTRAL COAHOMA COUNTY IN NORTHWEST MISSISSIPPI...
  SOUTHWESTERN TATE COUNTY IN NORTHWEST MISSISSIPPI...
  TUNICA COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 745 PM CDT

* AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR WEST HELENA...MOVING
  NORTHEAST AT 50 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HELENA...
  WEST HELENA AND ST FRANCIS NATIONAL PARK.

 THIS WARNING ALSO INCLUDES AREAS NEAR BEAVERDAM LAKE...FLOWER LAKE
  AND TUNICA LAKE.

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.

&&

LAT...LON 3483 9030 3456 9014 3456 9020 3454 9020
      3446 9075 3459 9082
TIME...MOT...LOC 0005Z 237DEG 45KT 3457 9066

$$

2 follow-up statements

893 
WWUS54 KMEG 260019
SVSMEG

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

MSC027-260028-
/O.CAN.KMEG.TO.W.0162.000000T0000Z-110526T0045Z/
COAHOMA MS-
719 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR EXTREME NORTH CENTRAL COAHOMA COUNTY IS
CANCELLED...

AT 718 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.

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

LAT...LON 3483 9030 3461 9017 3458 9022 3452 9054
      3453 9057 3453 9058 3464 9072
TIME...MOT...LOC 0018Z 237DEG 45KT 3466 9049

$$

ARC077-107-MSC137-143-260045-
/O.CON.KMEG.TO.W.0162.000000T0000Z-110526T0045Z/
PHILLIPS AR-LEE AR-TUNICA MS-TATE MS-
719 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST
CENTRAL TATE...CENTRAL TUNICA...SOUTHEASTERN LEE AND NORTHEASTERN
PHILLIPS COUNTIES...

AT 718 PM CDT...LOCAL LAW ENFORCEMENT REPORTED ROTATION SOUTHWEST OF 
TUNICA 715 PM. THE STORM IS MOVING NORTHEAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLYWOOD...
PRICHARD...PHILLIPS BAYOU...BOWDRE...EVANSVILLE...CLAYTON...MAUD...
FOX ISLAND...AUSTIN...DOOLEY...SAVAGE AND ST FRANCIS NATIONAL PARK.

 THIS WARNING ALSO INCLUDES AREAS NEAR BEAVERDAM LAKE...FLOWER LAKE
  AND TUNICA LAKE.

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.

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

&&

LAT...LON 3483 9030 3461 9017 3458 9022 3452 9054
      3453 9057 3453 9058 3464 9072
TIME...MOT...LOC 0018Z 237DEG 45KT 3466 9049

$$

823 
WWUS54 KMEG 260023
SVSMEG

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

ARC077-107-MSC137-143-260045-
/O.CON.KMEG.TO.W.0162.000000T0000Z-110526T0045Z/
PHILLIPS AR-LEE AR-TUNICA MS-TATE MS-
723 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST
CENTRAL TATE...CENTRAL TUNICA...SOUTHEASTERN LEE AND NORTHEASTERN
PHILLIPS COUNTIES...

AT 723 PM CDT...EMERGENCY MANAGEMENT REPORTED A TORNADO ON THE 
GROUND. THIS TORNADO WAS LOCATED NEAR AUSTIN MOVING NORTHEAST AT 50 
MPH. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLYWOOD...
PRICHARD...PHILLIPS BAYOU...BOWDRE...EVANSVILLE...CLAYTON...MAUD...
FOX ISLAND...AUSTIN...DOOLEY...SAVAGE AND ST FRANCIS NATIONAL PARK.

 THIS WARNING ALSO INCLUDES AREAS NEAR BEAVERDAM LAKE...FLOWER LAKE
  AND TUNICA LAKE.

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.

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

&&

LAT...LON 3483 9030 3461 9017 3458 9022 3452 9054
      3453 9057 3453 9058 3464 9072
TIME...MOT...LOC 0023Z 237DEG 45KT 3469 9042

$$

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, 7:17 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, 7:48 PM CDT	Tornado Warning	MEG	Coahoma, Quitman, Tallahatchie	42 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.