Alert archive / Arkansas / Tornado Warnings in 2011

Tornado Warning 149, NWS Memphis, TN

May 25, 2011Lawrence County, Randolph County, Arkansas

NWS Memphis, TN issued this tornado warning at May 25, 2011, 3:41 PM CDT for Lawrence County, Randolph County, Arkansas. It was in force for 49 min. 2 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, 3:41 PM CDT (20:41 UTC)
Expired
May 25, 2011, 4:30 PM CDT
In force
49 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Lawrence County, AR, Randolph County, AR

The radar

The Memphis radar (KNQA), 160 km from the middle of the area, began a volume at 20:44 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, 3:59 PM CDTHAIL 1.75Ravenden, AR
May 25, 4:10 PM CDTHAIL 1.75Nne Imboden, AR

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, 12:28 PM CDTTornado Watch PDSSPC8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.7 hours before the alert went out and 200 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 2011-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2124 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 2011-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 445 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
2124 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
445 m²/s²
0-3 km storm-relative helicity
413 m²/s²
Significant tornado parameter
6.0
Supercell composite
20.1

Open this sounding in Storm Lab

The text

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

177 
WFUS54 KMEG 252041
TORMEG
ARC075-121-252130-
/O.NEW.KMEG.TO.W.0149.110525T2041Z-110525T2130Z/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN LAWRENCE COUNTY IN EASTERN ARKANSAS...
  RANDOLPH COUNTY IN EASTERN ARKANSAS...

* UNTIL 430 PM CDT

* AT 341 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO 11 MILES WEST OF
  ANNIEVILLE...OR 16 MILES WEST OF LAKE CHARLES STATE PARK...MOVING
  NORTHEAST AT 50 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE GOLF BALL SIZE 
HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

.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 3623 9136 3625 9133 3625 9127 3632 9127
      3633 9129 3637 9129 3639 9131 3650 9120
      3650 9081 3648 9080 3648 9078 3633 9077
      3602 9136
TIME...MOT...LOC 2041Z 228DEG 42KT 3613 9139

$$
2 follow-up statements
245 
WWUS54 KMEG 252057
SVSMEG

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

ARC075-121-252130-
/O.CON.KMEG.TO.W.0149.000000T0000Z-110525T2130Z/
RANDOLPH AR-LAWRENCE AR-
357 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHWESTERN LAWRENCE AND RANDOLPH COUNTIES...

AT 357 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR RAVENDEN...OR 12
MILES NORTHWEST OF BLACK ROCK...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POCAHONTAS...
SMITHVILLE...ELM STORE...ELEVEN POINT...WARM SPRINGS...PITMAN...
MIDDLEBROOK...BRAKEBILL...INGRAM...HAMIL...ELKINS PARK...STOKES...
BROCKETT AND ENGELERG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3623 9136 3625 9133 3625 9127 3632 9127
      3633 9129 3637 9129 3639 9131 3650 9120
      3650 9081 3648 9080 3648 9078 3633 9077
      3602 9136
TIME...MOT...LOC 2057Z 228DEG 42KT 3625 9122

$$
382 
WWUS54 KMEG 252116
SVSMEG

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

ARC075-121-252130-
/O.CON.KMEG.TO.W.0149.000000T0000Z-110525T2130Z/
RANDOLPH AR-LAWRENCE AR-
416 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR WESTERN
LAWRENCE AND RANDOLPH COUNTIES...

AT 417 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ATTICA...OR 6
MILES NORTHWEST OF POCAHONTAS...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POCAHONTAS...
SMITHVILLE...ELM STORE...WARM SPRINGS...PITMAN...MIDDLEBROOK...
BRAKEBILL...INGRAM...HAMIL...ELKINS PARK...STOKES...BROCKETT...
ENGELERG AND BIRDELL.

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 3607 9136 3619 9123 3621 9117 3630 9116
      3633 9115 3635 9116 3650 9120 3650 9081
      3648 9080 3648 9078 3633 9077 3602 9136
TIME...MOT...LOC 2117Z 229DEG 38KT 3636 9101

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 3:30 AM CDTWind AdvisoryMEGClay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more16 hr
May 25, 2:29 PM CDTTornado WarningMEGRandolph31 min
May 25, 3:35 PM CDTSevere Thunderstorm WarningMEGLawrence, Randolph40 min
May 25, 3:55 PM CDTTornado WarningMEGLawrence, Randolph50 min
May 25, 4:22 PM CDTTornado WarningMEGCraighead, Greene, Lawrence38 min
May 25, 4:27 PM CDTSevere Thunderstorm WarningMEGClay, Randolph33 min
May 25, 4:42 PM CDTSevere Thunderstorm WarningMEGRandolph33 min
May 25, 4:44 PM CDTSevere Thunderstorm WarningMEGClay, Greene, Lawrence, Randolph46 min
May 25, 4:52 PM CDTTornado WarningMEGCraighead, Greene, Lawrence38 min
May 25, 4:52 PM CDTTornado WarningMEGCraighead, Crittenden, Cross, Poinsett38 min
May 25, 5:15 PM CDTSevere Thunderstorm WarningMEGClay45 min
May 25, 5:15 PM CDTTornado WarningMEGCross, Lee, St. Francis45 min
May 25, 5:22 PM CDTTornado WarningMEGCraighead, Cross, Poinsett38 min
May 25, 5:26 PM CDTTornado WarningMEGClay, Greene49 min
May 25, 5:54 PM CDTTornado WarningMEGCrittenden, Cross, St. Francis51 min
May 25, 5:57 PM CDTTornado WarningMEGCraighead, Mississippi, Poinsett48 min
May 25, 5:58 PM CDTSevere Thunderstorm WarningMEGCraighead, Greene, Mississippi47 min
May 25, 6:15 PM CDTSevere Thunderstorm WarningMEGRandolph30 min
May 25, 6:17 PM CDTSevere Thunderstorm WarningMEGLee, Phillips43 min
May 25, 6:37 PM CDTTornado WarningMEGCrittenden, St. Francis38 min
May 25, 6:39 PM CDTTornado WarningMEGMississippi51 min
May 25, 6:56 PM CDTSevere Thunderstorm WarningMEGLee, Phillips49 min
May 25, 6:58 PM CDTSevere Thunderstorm WarningMEGPhillips47 min

Nearby

Tornado Warnings in Arkansas, 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.