Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 94, NWS New Orleans, LA

December 25, 2012Wilkinson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Dec 25, 2012, 1:59 PM CST for Wilkinson County, Mississippi. It was in force for 46 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
Dec 25, 2012, 1:59 PM CST (19:59 UTC)
Expired
Dec 25, 2012, 2:45 PM CST
In force
46 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

County Wilkinson County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 25, 12:58 PM CSTTornado Watch PDSSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.0 hours before the alert went out and 159 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 2012-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2012-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
361 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

502 
WFUS54 KLIX 251959
TORLIX
MSC157-252045-
/O.NEW.KLIX.TO.W.0094.121225T1959Z-121225T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
159 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  WILKINSON COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 245 PM CST

* AT 154 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FORT
  ADAMS...OR 18 MILES EAST OF SIMMESPORT...MOVING NORTHEAST AT 60
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WOODVILLE AND DOLOROSA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. 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.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3135 9119 3136 9116 3133 9109 3130 9108
      3116 9107 3102 9157 3119 9158 3138 9126
      3137 9126 3138 9122
TIME...MOT...LOC 1959Z 238DEG 51KT 3109 9146

$$

CAB

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 24, 8:34 PM CSTDense Fog AdvisoryLIX9 hr
Dec 25, 1:45 PM CSTSevere Thunderstorm WarningLIXAmite, Wilkinson60 min
Dec 25, 1:48 PM CSTSevere Thunderstorm WarningLIXAmite27 min
Dec 25, 1:52 PM CSTTornado WarningLIXWilkinson53 min
Dec 25, 2:30 PM CSTTornado WarningLIXAmite45 min
Dec 25, 2:38 PM CSTTornado WarningLIXWilkinson37 min
Dec 25, 2:54 PM CSTTornado WarningLIXPearl River36 min
Dec 25, 3:29 PM CSTTornado WarningLIXPearl River22 min
Dec 25, 3:45 PM CSTTornado WarningLIXHancock, Harrison, Pearl River30 min
Dec 25, 3:47 PM CSTTornado WarningLIXWalthall28 min
Dec 25, 3:54 PM CSTSevere Thunderstorm WarningLIXWalthall66 min
Dec 25, 4:01 PM CSTSevere Thunderstorm WarningLIXHancock, Harrison44 min
Dec 25, 4:47 PM CSTSevere Thunderstorm WarningLIXPearl River58 min

Nearby

Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes in 2012

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.