Alert archive / Mississippi / Tornado Warnings in 2014

Tornado Warning 53, NWS Memphis, TN

June 21, 2014Panola County, Mississippi

NWS Memphis, TN issued this tornado warning at Jun 21, 2014, 7:47 PM CDT for Panola County, Mississippi. It was in force for 13 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
Jun 21, 2014, 7:47 PM CDT (00:47 UTC)
Expired
Jun 21, 2014, 8:00 PM CDT
In force
13 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

County Panola County, MS

The radar

The Memphis radar (KNQA), 101 km from the middle of the area, began a volume at 00:46 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

Little Rock, AR (KBYH), launched 00:00Z, 0.8 hours before the alert went out and 45 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 00:00Z on 2014-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 357 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 00:00Z on 2014-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 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
357 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1586 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

468 
WFUS54 KMEG 220047
TORMEG
MSC107-220115-
/O.NEW.KMEG.TO.W.0053.140622T0047Z-140622T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
747 PM CDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN PANOLA COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 815 PM CDT

* AT 748 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR COMO...OR 6 MILES
  SOUTHEAST OF SENATOBIA...MOVING SOUTH AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JOHN W KYLE
  STATE PARK.

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 3436 8974 3435 8998 3455 9001 3455 8979
TIME...MOT...LOC 0048Z 343DEG 17KT 3453 8992

$$
1 follow-up statement
461 
WWUS54 KMEG 220100 RRA
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
800 PM CDT SAT JUN 21 2014

MSC107-220111-
/O.CAN.KMEG.TO.W.0053.000000T0000Z-140622T0115Z/
PANOLA MS-
800 PM CDT SAT JUN 21 2014

...THE TORNADO WARNING FOR NORTHEASTERN PANOLA COUNTY IS CANCELLED...

AT 801 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND NO LONGER 
POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE 
TORNADO WARNING IS CANCELLED.

LAT...LON 3436 8974 3435 8998 3455 9001 3455 8979
TIME...MOT...LOC 0101Z 343DEG 17KT 3447 8990

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:20 PM CDTSpecial Weather StatementMEGTate25 min
Jun 21, 7:30 PM CDTSevere Thunderstorm WarningMEGPanola, Tate33 min
Jun 21, 7:39 PM CDTSpecial Weather StatementMEGLee36 min
Jun 21, 8:27 PM CDTSpecial Weather StatementMEGMonroe33 min
Jun 22, 4:20 PM CDTSpecial Weather StatementMEGMarshall40 min
Jun 22, 4:27 PM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall48 min
Jun 22, 4:46 PM CDTSpecial Weather StatementMEGMarshall29 min
Jun 22, 4:56 PM CDTSpecial Weather StatementMEGItawamba34 min
Jun 22, 5:11 PM CDTFlash Flood WarningMEGDeSoto, Tate3 hr
Jun 22, 6:10 PM CDTSpecial Weather StatementMEGItawamba35 min

Nearby

Tornado Warnings in Mississippi, 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.