Alert archive / Arkansas / Tornado Warnings in 2014

Tornado Warning 17, NWS Memphis, TN

April 13, 2014Crittenden County, Cross County, Poinsett County, Arkansas

NWS Memphis, TN issued this tornado warning at Apr 13, 2014, 9:08 PM CDT for Crittenden County, Cross County, Poinsett County, Arkansas. It was in force for 37 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
Apr 13, 2014, 9:08 PM CDT (02:08 UTC)
Expired
Apr 13, 2014, 9:45 PM CDT
In force
37 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Crittenden County, AR, Cross County, AR, Poinsett County, AR

The radar

The Memphis radar (KNQA), 59 km from the middle of the area, began a volume at 02:09 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 335 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, Springfield, MO at 00:00Z on 2014-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 316 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, Springfield, MO at 00:00Z on 2014-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 353 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
316 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
353 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

762 
WFUS54 KMEG 140208
TORMEG
ARC035-037-111-140245-
/O.NEW.KMEG.TO.W.0017.140414T0208Z-140414T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
908 PM CDT SUN APR 13 2014

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CRITTENDEN COUNTY IN EASTERN ARKANSAS...
  NORTHEASTERN CROSS COUNTY IN EASTERN ARKANSAS...
  SOUTHEASTERN POINSETT COUNTY IN EASTERN ARKANSAS...

* UNTIL 945 PM CDT

* AT 908 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR CHERRY VALLEY...OR 11
  MILES SOUTH OF HARRISBURG...MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEPANTO...
  MARKED TREE AND TYRONZA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

.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 3568 9029 3544 9029 3534 9076 3547 9079
TIME...MOT...LOC 0208Z 241DEG 44KT 3543 9069

$$
3 follow-up statements
613 
WWUS54 KMEG 140220 RRA
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
920 PM CDT SUN APR 13 2014

ARC035-037-140231-
/O.CAN.KMEG.TO.W.0017.000000T0000Z-140414T0245Z/
CRITTENDEN AR-CROSS AR-
920 PM CDT SUN APR 13 2014

...THE TORNADO WARNING FOR NORTHEASTERN CROSS AND NORTHWESTERN
CRITTENDEN COUNTIES IS CANCELLED...

AT 921 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 3568 9030 3561 9029 3544 9029 3544 9061
      3545 9062 3553 9065
TIME...MOT...LOC 0221Z 241DEG 44KT 3550 9052

$$

ARC111-140245-
/O.CON.KMEG.TO.W.0017.000000T0000Z-140414T0245Z/
POINSETT AR-
920 PM CDT SUN APR 13 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
SOUTHEASTERN POINSETT COUNTY...

AT 921 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR STEWART...OR 8
MILES WEST OF MARKED TREE...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEPANTO...
MARKED TREE...TYRONZA...WEONA...OLD WEONA...WEONA JUNCTION...
STEWART...BOAT RUN...PAYNEWAY...CASSIDY...NORTHERN OHIO...ALTO...
SPEAR LAKE AND WILBETH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

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

&&

LAT...LON 3568 9030 3561 9029 3544 9029 3544 9061
      3545 9062 3553 9065
TIME...MOT...LOC 0221Z 241DEG 44KT 3550 9052

$$
012 
WWUS54 KMEG 140230
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
930 PM CDT SUN APR 13 2014

ARC111-140245-
/O.CON.KMEG.TO.W.0017.000000T0000Z-140414T0245Z/
POINSETT AR-
930 PM CDT SUN APR 13 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
SOUTHEASTERN POINSETT COUNTY...

AT 930 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR MARKED TREE...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEPANTO...
MARKED TREE...TYRONZA...NORTHERN OHIO...ALTO...SPEAR LAKE...
WILBETH...DUB...DECKERVILLE AND BEASLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

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

&&

LAT...LON 3550 9047 3558 9046 3565 9030 3561 9029
      3544 9029 3544 9049
TIME...MOT...LOC 0230Z 241DEG 44KT 3553 9038

$$
368 
WWUS54 KMEG 140238
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
938 PM CDT SUN APR 13 2014

ARC111-140249-
/O.EXP.KMEG.TO.W.0017.000000T0000Z-140414T0245Z/
POINSETT AR-
938 PM CDT SUN APR 13 2014

...THE TORNADO WARNING FOR SOUTHEASTERN POINSETT COUNTY WILL EXPIRE
AT 945 PM CDT...

AT 939 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA
AND WEAKENED. THEREFORE...THE TORNADO WARNING WILL BE ALLOWED TO
EXPIRE.

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

LAT...LON 3550 9047 3558 9046 3565 9030 3561 9029
      3544 9029 3544 9049
TIME...MOT...LOC 0239Z 241DEG 44KT 3556 9024

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 8:30 PM CDTSevere Thunderstorm WarningMEGCross, Poinsett, St. Francis30 min
Apr 13, 8:54 PM CDTSevere Thunderstorm WarningMEGCrittenden, Cross, Poinsett51 min
Apr 13, 9:27 PM CDTSevere Thunderstorm WarningMEGCrittenden, Mississippi, Poinsett63 min
Apr 13, 9:49 PM CDTSevere Thunderstorm WarningMEGCrittenden, Cross, St. Francis41 min
Apr 13, 9:57 PM CDTTornado WarningMEGMississippi33 min
Apr 13, 10:16 PM CDTSevere Thunderstorm WarningMEGCrittenden, Mississippi, Poinsett29 min
Apr 14, 12:01 AM CDTSevere Thunderstorm WarningMEGCross, Lee, Poinsett, St. Francis59 min
Apr 14, 1:04 AM CDTSevere Thunderstorm WarningMEGLee, Phillips41 min
Apr 14, 3:21 AM CDTFrost AdvisoryMEGClay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more19 hr
Apr 14, 3:21 AM CDTWind AdvisoryMEGClay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more13 hr

Nearby

Tornado Warnings in Arkansas, 2014Every tornado warning in 2014Tornadoes in 2014

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.