Alert archive / Mississippi / Tornado Warnings in 2014

Tornado Warning 7, NWS Memphis, TN

February 20, 2014Benton County, Marshall County, Mississippi; Fayette County, Tennessee

NWS Memphis, TN issued this tornado warning at Feb 20, 2014, 5:01 PM CST for Benton County, Marshall County, Mississippi; Fayette County, Tennessee. It was in force for 29 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: Feb 20, 2014, 5:01 PM CST (23:01 UTC)
Expired: Feb 20, 2014, 5:30 PM CST
In force: 29 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Benton County, MS, Marshall County, MS, Fayette County, TN

The radar

The Memphis radar (KNQA), 63 km from the middle of the area, began a volume at 23:02 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
Feb 20, 2:23 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 11.0 hours before the alert went out and 48 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: 4 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 366 m²/s²
0-3 km storm-relative helicity: 420 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.

722 
WFUS54 KMEG 202301 RRA
TORMEG
MSC009-093-TNC047-202330-
/O.NEW.KMEG.TO.W.0007.140220T2301Z-140220T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
501 PM CST THU FEB 20 2014

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BENTON COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHEASTERN MARSHALL COUNTY IN NORTHWEST MISSISSIPPI...
  SOUTHEASTERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 530 PM CST

* AT 502 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR RED BANKS...OR 8 MILES
  NORTHWEST OF HOLLY SPRINGS...MOVING NORTHEAST AT 60 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
  OF NORTHEASTERN MARSHALL...NORTHWESTERN BENTON AND SOUTHEASTERN
  FAYETTE COUNTIES.

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 3476 8959 3499 8959 3514 8920 3487 8919
TIME...MOT...LOC 2302Z 230DEG 52KT 3490 8948

$$

1 follow-up statement

725 
WWUS54 KMEG 202317
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
517 PM CST THU FEB 20 2014

MSC009-093-TNC047-202327-
/O.CAN.KMEG.TO.W.0007.000000T0000Z-140220T2330Z/
BENTON MS-MARSHALL MS-FAYETTE TN-
517 PM CST THU FEB 20 2014

...THE TORNADO WARNING FOR SOUTHEASTERN FAYETTE...NORTHEASTERN
MARSHALL AND NORTHWESTERN BENTON COUNTIES IS CANCELLED...

AT 517 PM CST...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.

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

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

LAT...LON 3476 8959 3499 8959 3514 8920 3487 8919
TIME...MOT...LOC 2317Z 230DEG 52KT 3504 8927

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 20, 2:53 PM CST	Severe Thunderstorm Warning	MEG	Coahoma	52 min
Feb 20, 3:38 PM CST	Severe Thunderstorm Warning	MEG	Coahoma, Quitman, Tallahatchie, Tunica	52 min
Feb 20, 3:50 PM CST	Tornado Warning	MEG	Tunica	25 min
Feb 20, 4:02 PM CST	Tornado Warning	MEG	Coahoma, Panola, Quitman, Tate, Tunica	28 min
Feb 20, 4:06 PM CST	Severe Thunderstorm Warning	MEG	DeSoto	39 min
Feb 20, 4:08 PM CST	Tornado Warning	MEG	DeSoto	37 min
Feb 20, 4:11 PM CST	Severe Thunderstorm Warning	MEG	Panola, Quitman, Tate, Tunica	49 min
Feb 20, 4:19 PM CST	Severe Thunderstorm Warning	MEG	DeSoto, Marshall, Tate, Tunica	41 min
Feb 20, 4:22 PM CST	Severe Thunderstorm Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie, Yalobusha	53 min
Feb 20, 4:35 PM CST	Severe Thunderstorm Warning	MEG	Benton, DeSoto, Lafayette, Marshall, Panola, Tate and 1 more	40 min
Feb 20, 5:10 PM CST	Severe Thunderstorm Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie, Yalobusha	50 min
Feb 20, 5:11 PM CST	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Lafayette, Marshall, Panola, Tate and 2 more	49 min
Feb 20, 4:12 PM CST	Severe Thunderstorm Warning	MEG	Benton, Carroll, Henry	33 min
Feb 20, 4:31 PM CST	Tornado Warning	MEG	Lake, Obion	44 min
Feb 20, 4:40 PM CST	Severe Thunderstorm Warning	MEG	Benton	20 min
Feb 20, 4:52 PM CST	Severe Thunderstorm Warning	MEG	Fayette, Hardeman	38 min
Feb 20, 5:01 PM CST	Tornado Warning	MEG	Lake, Obion	44 min
Feb 20, 5:22 PM CST	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, McNairy, Madison	38 min

Nearby

Tornado Warnings in Mississippi, 2014 Tornado Warnings in Tennessee, 2014 Every tornado warning in 2014 Tornadoes 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.