Alert archive / Arkansas / Tornado Warnings in 2011

Tornado Warning 148, NWS Memphis, TN

May 25, 2011Randolph County, Arkansas

NWS Memphis, TN issued this tornado warning at May 25, 2011, 2:29 PM CDT for Randolph County, Arkansas. It was in force for 31 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, 2:29 PM CDT (19:29 UTC)
Expired: May 25, 2011, 3:00 PM CDT
In force: 31 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

County Randolph County, AR

The radar

The Memphis radar (KNQA), 180 km from the middle of the area, began a volume at 19:31 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.

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 12:00Z, 7.5 hours before the alert went out and 219 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: 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.

661 
WFUS54 KMEG 251929
TORMEG
ARC121-252000-
/O.NEW.KMEG.TO.W.0148.110525T1929Z-110525T2000Z/

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

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

* UNTIL 300 PM CDT

* AT 229 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO 22 MILES SOUTHWEST OF ELM
  STORE...OR 30 MILES NORTHWEST OF BLACK ROCK...MOVING NORTHEAST AT
  55 MPH.

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

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 3650 9141 3650 9116 3649 9111 3638 9130
      3639 9132 3642 9132 3642 9135 3642 9136
      3646 9137 3647 9140 3649 9142
TIME...MOT...LOC 1929Z 226DEG 48KT 3640 9150

$$

2 follow-up statements

988 
WWUS54 KMEG 251941
SVSMEG

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

ARC121-252000-
/O.CON.KMEG.TO.W.0148.000000T0000Z-110525T2000Z/
RANDOLPH AR-
241 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
NORTHWESTERN RANDOLPH COUNTY...

AT 241 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 15 MILES WEST OF ELM 
STORE...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ELM STORE.

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 3650 9141 3650 9116 3649 9111 3638 9130
      3639 9132 3642 9132 3642 9135 3642 9136
      3646 9137 3647 9140 3649 9142
TIME...MOT...LOC 1941Z 226DEG 48KT 3309 8800

$$

096 
WWUS54 KMEG 251953
SVSMEG

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

ARC121-252003-
/O.EXP.KMEG.TO.W.0148.000000T0000Z-110525T2000Z/
RANDOLPH AR-
253 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR NORTHWESTERN RANDOLPH COUNTY WILL EXPIRE
AT 300 PM CDT...

AT 253 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

.CONTINUE TO MONITOR WEATHER CONDITIONS AS FUTURE WARNINGS ARE
POSSIBLE FOR YOUR AREA.

LAT...LON 3650 9141 3650 9116 3649 9111 3638 9130
      3639 9132 3642 9132 3642 9135 3642 9136
      3646 9137 3647 9140 3649 9142
TIME...MOT...LOC 1953Z 226DEG 48KT 3029 8502

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 3:30 AM CDT	Wind Advisory	MEG	Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more	16 hr
May 25, 3:35 PM CDT	Severe Thunderstorm Warning	MEG	Lawrence, Randolph	40 min
May 25, 3:41 PM CDT	Tornado Warning	MEG	Lawrence, Randolph	49 min
May 25, 3:55 PM CDT	Tornado Warning	MEG	Lawrence, Randolph	50 min
May 25, 4:22 PM CDT	Tornado Warning	MEG	Craighead, Greene, Lawrence	38 min
May 25, 4:27 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Randolph	33 min
May 25, 4:42 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	33 min
May 25, 4:44 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene, Lawrence, Randolph	46 min
May 25, 4:52 PM CDT	Tornado Warning	MEG	Craighead, Greene, Lawrence	38 min
May 25, 4:52 PM CDT	Tornado Warning	MEG	Craighead, Crittenden, Cross, Poinsett	38 min
May 25, 5:15 PM CDT	Severe Thunderstorm Warning	MEG	Clay	45 min
May 25, 5:15 PM CDT	Tornado Warning	MEG	Cross, Lee, St. Francis	45 min
May 25, 5:22 PM CDT	Tornado Warning	MEG	Craighead, Cross, Poinsett	38 min
May 25, 5:26 PM CDT	Tornado Warning	MEG	Clay, Greene	49 min
May 25, 5:54 PM CDT	Tornado Warning	MEG	Crittenden, Cross, St. Francis	51 min
May 25, 5:57 PM CDT	Tornado Warning	MEG	Craighead, Mississippi, Poinsett	48 min
May 25, 5:58 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene, Mississippi	47 min
May 25, 6:15 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	30 min
May 25, 6:17 PM CDT	Severe Thunderstorm Warning	MEG	Lee, Phillips	43 min
May 25, 6:37 PM CDT	Tornado Warning	MEG	Crittenden, St. Francis	38 min
May 25, 6:39 PM CDT	Tornado Warning	MEG	Mississippi	51 min
May 25, 6:56 PM CDT	Severe Thunderstorm Warning	MEG	Lee, Phillips	49 min
May 25, 6:58 PM CDT	Severe Thunderstorm Warning	MEG	Phillips	47 min

Nearby

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.