Alert archive / Mississippi / Tornado Warnings in 2014

Tornado Warning 1, NWS Jackson, MS

February 20, 2014Jones County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 20, 2014, 5:45 PM CST for Jones County, Mississippi. It was in force for 30 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, 5:45 PM CST (23:45 UTC)
Expired
Feb 20, 2014, 6:15 PM CST
In force
30 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

County Jones County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 120 km from the middle of the area, began a volume at 23:47 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

Jackson, MS (KJAN), launched 12:00Z, 11.8 hours before the alert went out and 129 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 12:00Z on 2014-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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 12:00Z on 2014-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 square meters per square second.19395878Sfc1 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
39 J/kg
Mixed-layer CIN
-357 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
300 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.

685 
WFUS54 KJAN 202345
TORJAN
MSC067-210015-
/O.NEW.KJAN.TO.W.0001.140220T2345Z-140221T0015Z/

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN JONES COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 615 PM CST

* AT 545 PM CST...A TORNADO WAS INDICATED 6 MILES NORTHWEST OF
  OVETT...AND MOVING NORTHEAST AT 35 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

* THIS DANGEROUS STORM WILL BE NEAR...
  TUCKERS CROSSING AROUND 550 PM CST.
  MILL CREEK AROUND 605 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CST
THURSDAY EVENING FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND
NORTHWESTERN MISSISSIPPI.

LAT...LON 3144 8915 3144 8925 3159 8920 3178 8894
      3144 8894 3143 8909
TIME...MOT...LOC 2345Z 235DEG 32KT 3154 8910

$$

GRG
2 follow-up statements
831 
WWUS54 KJAN 202357
SVSJAN

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

MSC067-210015-
/O.CON.KJAN.TO.W.0001.000000T0000Z-140221T0015Z/
JONES MS-
557 PM CST THU FEB 20 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN JONES COUNTY
UNTIL 615 PM CST...

AT 554 PM CST...A TORNADO WAS INDICATED NEAR TUCKERS CROSSING...AND
MOVING NORTHEAST AT 35 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

THIS DANGEROUS STORM WILL BE NEAR...
  MILL CREEK AROUND 610 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CST
THURSDAY EVENING FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND
NORTHWESTERN MISSISSIPPI.

LAT...LON 3144 8915 3157 8915 3168 8904 3178 8894
      3144 8894 3143 8909
TIME...MOT...LOC 2357Z 235DEG 29KT 3159 8901

$$

GRG
943 
WWUS54 KJAN 210005
SVSJAN

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

MSC067-210015-
/O.CAN.KJAN.TO.W.0001.000000T0000Z-140221T0015Z/
JONES MS-
605 PM CST THU FEB 20 2014

...THE TORNADO WARNING FOR SOUTHEASTERN JONES COUNTY IS CANCELLED...

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

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 SOUTHEAST ARKANSAS AND NORTHEAST
LOUISIANA AND NORTHWESTERN MISSISSIPPI.

LAT...LON 3144 8915 3157 8915 3168 8904 3178 8894
      3144 8894 3143 8909
TIME...MOT...LOC 0005Z 235DEG 29KT 3163 8895

$$

GRG

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 2:08 PM CSTSpecial Weather StatementJANBolivar, Issaquena, Leflore, Sharkey, Sunflower, Washington67 min
Feb 20, 3:33 PM CSTSpecial Weather StatementJANBolivar32 min
Feb 20, 3:47 PM CSTSpecial Weather StatementJANBolivar33 min
Feb 20, 4:06 PM CSTSevere Thunderstorm WarningJANBolivar54 min
Feb 20, 4:27 PM CSTSpecial Weather StatementJANLamar28 min
Feb 20, 4:37 PM CSTSpecial Weather StatementJANJasper43 min
Feb 20, 4:50 PM CSTSpecial Weather StatementJANBolivar45 min
Feb 20, 5:06 PM CSTSevere Thunderstorm WarningJANBolivar39 min
Feb 20, 5:11 PM CSTSpecial Weather StatementJANWashington29 min
Feb 20, 5:16 PM CSTSevere Thunderstorm WarningJANJones44 min
Feb 20, 5:19 PM CSTSevere Thunderstorm WarningJANWashington41 min
Feb 20, 5:27 PM CSTSpecial Weather StatementJANNewton38 min
Feb 20, 5:39 PM CSTSevere Thunderstorm WarningJANHumphreys, Leflore, Sunflower51 min
Feb 20, 5:48 PM CSTSpecial Weather StatementJANLauderdale47 min
Feb 20, 5:52 PM CSTTornado WarningJANLeflore, Sunflower53 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.