Alert archive / Mississippi / Tornado Warnings in 2014

Tornado Warning 4, NWS Jackson, MS

February 20, 20144 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Feb 20, 2014, 7:58 PM CST for 4 counties in Mississippi. It was in force for 62 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, 7:58 PM CST (01:58 UTC)
Expired
Feb 20, 2014, 9:00 PM CST
In force
62 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Covington County, MS, Jefferson Davis County, MS, Lamar County, MS, Marion County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 103 km from the middle of the area, began a volume at 01:59 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.

IssuedProductOfficeLasted
Feb 20, 6:05 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.0 hours before the alert went out and 111 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, Jackson, MS at 00:00Z on 2014-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 384 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, Jackson, MS at 00:00Z on 2014-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 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
384 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1582 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

324 
WFUS54 KJAN 210158
TORJAN
MSC031-065-073-091-210300-
/O.NEW.KJAN.TO.W.0004.140221T0158Z-140221T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
758 PM CST THU FEB 20 2014

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHEASTERN JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  NORTHWESTERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHEASTERN MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...

* UNTIL 900 PM CST

* AT 758 PM CST...A TORNADO WAS INDICATED NEAR COLUMBIA...AND MOVING
  NORTHEAST AT 25 MPH.

  HAZARD...TORNADO.

* THIS DANGEROUS STORM WILL BE NEAR...
  IMPROVE AROUND 805 PM CST.
  MELBA AROUND 825 PM CST.
  SUMRALL AROUND 830 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO PROTECT YOUR LIFE...TAKE COVER NOW! MOVE TO A BASEMENT OR AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
MISSISSIPPI. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL
800 PM CST THURSDAY EVENING FOR NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

LAT...LON 3144 8976 3160 8961 3144 8940 3143 8942
      3143 8945 3135 8946 3124 8965
TIME...MOT...LOC 0158Z 221DEG 23KT 3130 8974

$$

GRG
4 follow-up statements
264 
WWUS54 KJAN 210208
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
808 PM CST THU FEB 20 2014

MSC031-065-073-091-210300-
/O.CON.KJAN.TO.W.0004.000000T0000Z-140221T0300Z/
MARION MS-LAMAR MS-JEFFERSON DAVIS MS-COVINGTON MS-
808 PM CST THU FEB 20 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN COVINGTON...
SOUTHEASTERN JEFFERSON DAVIS...NORTHWESTERN LAMAR AND NORTHEASTERN
MARION COUNTIES UNTIL 900 PM CST...

AT 804 PM CST...A TORNADO WAS INDICATED NEAR IMPROVE...AND MOVING
NORTHEAST AT 25 MPH.

HAZARD...TORNADO.

THIS DANGEROUS STORM WILL BE NEAR...
  MELBA AROUND 825 PM CST.
  SUMRALL AROUND 830 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO PROTECT YOUR LIFE...TAKE COVER NOW! MOVE TO A BASEMENT OR AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
MISSISSIPPI.

LAT...LON 3126 8965 3144 8976 3160 8961 3144 8940
      3143 8942 3143 8945 3135 8946
TIME...MOT...LOC 0208Z 221DEG 23KT 3135 8969

$$

GRG
719 
WWUS54 KJAN 210220
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
820 PM CST THU FEB 20 2014

MSC031-065-073-091-210300-
/O.CON.KJAN.TO.W.0004.000000T0000Z-140221T0300Z/
MARION MS-LAMAR MS-JEFFERSON DAVIS MS-COVINGTON MS-
820 PM CST THU FEB 20 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN COVINGTON...
SOUTHEASTERN JEFFERSON DAVIS...NORTHWESTERN LAMAR AND NORTHEASTERN
MARION COUNTIES UNTIL 900 PM CST...

AT 818 PM CST...A TORNADO WAS INDICATED NEAR MELBA...AND MOVING
NORTHEAST AT 35 MPH.

HAZARD...TORNADO.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
MARION...NORTHWESTERN LAMAR...SOUTHEASTERN JEFFERSON DAVIS AND
SOUTHERN COVINGTON COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO PROTECT YOUR LIFE...TAKE COVER NOW! MOVE TO A BASEMENT OR AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
MISSISSIPPI.

LAT...LON 3126 8965 3144 8976 3160 8961 3144 8940
      3143 8942 3143 8945 3135 8946
TIME...MOT...LOC 0221Z 225DEG 30KT 3144 8959

$$

GRG
877 
WWUS54 KJAN 210233
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
833 PM CST THU FEB 20 2014

MSC091-210243-
/O.CAN.KJAN.TO.W.0004.000000T0000Z-140221T0300Z/
MARION MS-
833 PM CST THU FEB 20 2014

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

THE THREAT HAS MOVED OUT OF THE WARNED AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
MISSISSIPPI.

LAT...LON 3154 8965 3160 8961 3144 8940 3143 8942
      3143 8945 3135 8946 3133 8964
TIME...MOT...LOC 0233Z 225DEG 30KT 3151 8951

$$

MSC031-065-073-210300-
/O.CON.KJAN.TO.W.0004.000000T0000Z-140221T0300Z/
LAMAR MS-JEFFERSON DAVIS MS-COVINGTON MS-
833 PM CST THU FEB 20 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COVINGTON...
SOUTHEASTERN JEFFERSON DAVIS AND NORTHWESTERN LAMAR COUNTIES UNTIL
900 PM CST...

AT 832 PM CST...A TORNADO WAS INDICATED 5 MILES WEST OF SANFORD...AND
MOVING NORTHEAST AT 35 MPH.

HAZARD...TORNADO.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHWESTERN
LAMAR...SOUTHEASTERN COVINGTON AND SOUTHEASTERN JEFFERSON DAVIS
COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO PROTECT YOUR LIFE...TAKE COVER NOW! MOVE TO A BASEMENT OR AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
MISSISSIPPI.

LAT...LON 3154 8965 3160 8961 3144 8940 3143 8942
      3143 8945 3135 8946 3133 8964
TIME...MOT...LOC 0233Z 225DEG 30KT 3151 8951

$$

GRG
522 
WWUS54 KJAN 210247
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
847 PM CST THU FEB 20 2014

MSC031-065-073-210257-
/O.CAN.KJAN.TO.W.0004.000000T0000Z-140221T0300Z/
LAMAR MS-JEFFERSON DAVIS MS-COVINGTON MS-
847 PM CST THU FEB 20 2014

...THE TORNADO WARNING FOR SOUTHEASTERN COVINGTON...SOUTHEASTERN
JEFFERSON DAVIS AND NORTHWESTERN LAMAR COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
MISSISSIPPI.

LAT...LON 3154 8965 3160 8961 3144 8940 3143 8942
      3143 8945 3135 8946 3133 8964
TIME...MOT...LOC 0247Z 225DEG 30KT 3159 8941

$$

GRG

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 20, 6:05 PM CSTSevere Thunderstorm WarningJANLincoln55 min
Feb 20, 6:15 PM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Leflore45 min
Feb 20, 6:20 PM CSTSevere Thunderstorm WarningJANClarke40 min
Feb 20, 6:31 PM CSTSpecial Weather StatementJANHolmes, Humphreys, Yazoo29 min
Feb 20, 6:43 PM CSTSpecial Weather StatementJANSimpson42 min
Feb 20, 6:45 PM CSTSpecial Weather StatementJANMontgomery, Webster30 min
Feb 20, 7:10 PM CSTSpecial Weather StatementJANHolmes, Yazoo30 min
Feb 20, 7:12 PM CSTTornado WarningJANMarion63 min
Feb 20, 7:34 PM CSTSpecial Weather StatementJANAttala, Warren, Yazoo31 min
Feb 20, 7:46 PM CSTSpecial Weather StatementJANScott44 min
Feb 20, 7:46 PM CSTSevere Thunderstorm WarningJANChoctaw, Montgomery, Webster44 min
Feb 20, 7:54 PM CSTSevere Thunderstorm WarningJANAttala, Choctaw51 min
Feb 20, 8:08 PM CSTSevere Thunderstorm WarningJANClay, Lowndes, Oktibbeha52 min
Feb 20, 8:27 PM CSTFlash Flood WarningJANMarion3 hr
Feb 20, 8:28 PM CSTSevere Thunderstorm WarningJANMarion32 min
Feb 20, 8:32 PM CSTTornado WarningJANCovington, Jones58 min
Feb 20, 8:39 PM CSTSevere Thunderstorm WarningJANLowndes51 min
Feb 20, 8:45 PM CSTSevere Thunderstorm WarningJANLamar45 min
Feb 20, 8:52 PM CSTTornado WarningJANLowndes23 min
Feb 20, 9:12 PM CSTSevere Thunderstorm WarningJANForrest, Jones, Lamar63 min
Feb 20, 9:22 PM CSTFlash Flood WarningJANLowndes, Oktibbeha98 min
Feb 20, 9:26 PM CSTTornado WarningJANJones49 min
Feb 20, 9:34 PM CSTFlash Flood WarningJANLawrence, Lincoln116 min
Feb 20, 9:39 PM CSTFlash Flood WarningJANCovington, Forrest, Jones, Lamar3 hr
Feb 20, 10:03 PM CSTSpecial Weather StatementJANRankin32 min
Feb 20, 10:07 PM CSTFlash Flood WarningJANJefferson Davis3 hr
Feb 20, 10:10 PM CSTSevere Thunderstorm WarningJANJefferson Davis, Marion50 min
Feb 20, 10:18 PM CSTSevere Thunderstorm WarningJANForrest, Jones, Lamar57 min
Feb 20, 10:29 PM CSTSevere Thunderstorm WarningJANRankin, Scott, Smith46 min
Feb 20, 10:31 PM CSTTornado WarningJANClarke, Jasper29 min
Feb 20, 10:53 PM CSTSevere Thunderstorm WarningJANMarion37 min
Feb 20, 11:08 PM CSTFlash Flood WarningJANMarion3 hr
Feb 20, 11:11 PM CSTSevere Thunderstorm WarningJANForrest, Lamar64 min
Feb 20, 11:16 PM CSTSpecial Weather StatementJANKemper, Noxubee29 min
Feb 20, 11:38 PM CSTAreal Flood WarningJANLawrence, Lincoln3 hr
Feb 20, 11:39 PM CSTSpecial Weather StatementJANLauderdale31 min
Feb 20, 11:51 PM CSTFlash Flood WarningJANForrest, Lamar114 min
Feb 21, 12:31 AM CSTAreal Flood WarningJANCovington, Forrest, Jones, Lamar3 hr
Feb 21, 1:12 AM CSTAreal Flood WarningJANJefferson Davis3 hr
Feb 21, 2:18 AM CSTAreal Flood WarningJANMarion3 hr

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.