Alert archive / Louisiana / Tornado Warnings in 2014

Tornado Warning 33, NWS New Orleans, LA

December 23, 20144 parishes in Louisiana

NWS New Orleans, LA issued this tornado warning at Dec 23, 2014, 10:52 AM CST for 4 parishes in Louisiana. It was in force for 23 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 23, 2014, 10:52 AM CST (16:52 UTC)
Expired
Dec 23, 2014, 11:15 AM CST
In force
23 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

Counties East Baton Rouge Parish, LA, East Feliciana Parish, LA, Saint Helena Parish, LA, West Feliciana Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 23, 9:30 AM CSTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.9 hours before the alert went out and 153 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, Slidell Radar S, LA at 12:00Z on 2014-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1212 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, Slidell Radar S, LA at 12:00Z on 2014-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939587897117Sfc1 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
1212 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

310 
WFUS54 KLIX 231652
TORLIX
LAC033-037-091-125-231715-
/O.NEW.KLIX.TO.W.0033.141223T1652Z-141223T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1052 AM CST TUE DEC 23 2014

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST BATON ROUGE PARISH IN SOUTHEAST LOUISIANA...
  EAST FELICIANA PARISH IN SOUTHEAST LOUISIANA...
  THIS INCLUDES THE CITIES OF...JACKSON...CLINTON...
  ST. HELENA PARISH IN SOUTHEAST LOUISIANA...
  WEST FELICIANA PARISH IN SOUTHEAST LOUISIANA...

* UNTIL 1115 AM CST

* AT 1049 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
  SLAUGHTER...OR 7 MILES SOUTHEAST OF ST. FRANCISVILLE...MOVING
  NORTHEAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  NORWOOD AND FELPS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT 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.

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 600 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3061 9124 3067 9134 3074 9136 3100 9116
      3100 9070
TIME...MOT...LOC 1652Z 222DEG 45KT 3073 9127

$$
2 follow-up statements
560 
WWUS54 KLIX 231704
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1104 AM CST TUE DEC 23 2014

LAC033-091-125-231714-
/O.CAN.KLIX.TO.W.0033.000000T0000Z-141223T1715Z/
ST. HELENA LA-EAST BATON ROUGE LA-WEST FELICIANA LA-
1104 AM CST TUE DEC 23 2014

...THE TORNADO WARNING FOR WEST FELICIANA...EAST BATON ROUGE AND ST.
HELENA PARISHES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHEASTERN MISSISSIPPI.

LAT...LON 3100 9083 3099 9084 3098 9084 3076 9108
      3071 9121 3081 9123 3100 9116
TIME...MOT...LOC 1704Z 223DEG 43KT 3082 9116

$$

LAC037-231715-
/O.CON.KLIX.TO.W.0033.000000T0000Z-141223T1715Z/
EAST FELICIANA LA-
1104 AM CST TUE DEC 23 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM CST FOR EAST
FELICIANA PARISH...

AT 1102 AM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH ROTATION AND CAPABLE OF PRODUCING A TORNADO. 
THIS STORM WAS LOCATED NEAR JACKSON...MOVING NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CLINTON...NORWOOD AND FELPS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT 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.

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 600 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3100 9083 3099 9084 3098 9084 3076 9108
      3071 9121 3081 9123 3100 9116
TIME...MOT...LOC 1704Z 223DEG 43KT 3082 9116

$$
300 
WWUS54 KLIX 231714
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1114 AM CST TUE DEC 23 2014

LAC037-231724-
/O.EXP.KLIX.TO.W.0033.000000T0000Z-141223T1715Z/
EAST FELICIANA LA-
1114 AM CST TUE DEC 23 2014

...THE TORNADO WARNING FOR EAST FELICIANA PARISH WILL EXPIRE AT 1115
AM CST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHEASTERN MISSISSIPPI.

LAT...LON 3100 9083 3099 9084 3098 9084 3076 9108
      3071 9121 3081 9123 3100 9116
TIME...MOT...LOC 1714Z 223DEG 43KT 3091 9106

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 3:05 AM CSTSpecial Weather StatementLIXAscension, Livingston55 min
Dec 23, 3:18 AM CSTSpecial Marine WarningLIX87 min
Dec 23, 3:34 AM CSTSmall Craft AdvisoryLIX44 hr
Dec 23, 5:11 AM CSTSpecial Weather StatementLIXIberville49 min
Dec 23, 6:22 AM CSTSevere Thunderstorm WarningLIXEast Feliciana, West Feliciana38 min
Dec 23, 7:09 AM CSTSpecial Marine WarningLIX51 min
Dec 23, 8:07 AM CSTSpecial Marine WarningLIX83 min
Dec 23, 8:31 AM CSTSpecial Weather StatementLIXEast Baton Rouge, Iberville, West Baton Rouge59 min
Dec 23, 8:35 AM CSTSpecial Weather StatementLIXPlaquemines25 min
Dec 23, 8:41 AM CSTSpecial Marine WarningLIX64 min
Dec 23, 8:43 AM CSTSpecial Marine WarningLIX62 min
Dec 23, 8:59 AM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Livingston, Saint Helena46 min
Dec 23, 9:41 AM CSTSpecial Marine WarningLIX64 min
Dec 23, 9:43 AM CSTSevere Thunderstorm WarningLIXSaint Helena, Tangipahoa47 min
Dec 23, 9:46 AM CSTSpecial Weather StatementLIXPointe Coupee, West Feliciana59 min
Dec 23, 9:51 AM CSTSpecial Marine WarningLIX24 min
Dec 23, 10:17 AM CSTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana43 min
Dec 23, 10:20 AM CSTSevere Thunderstorm WarningLIXIberville, Pointe Coupee, West Feliciana25 min
Dec 23, 10:33 AM CSTTornado WarningLIXWest Feliciana27 min
Dec 23, 10:42 AM CSTSevere Thunderstorm WarningLIXEast Feliciana, Pointe Coupee, West Feliciana48 min
Dec 23, 11:28 AM CSTTornado WarningLIXEast Feliciana47 min
Dec 23, 12:33 PM CSTSpecial Weather StatementLIXEast Baton Rouge, Saint Helena57 min
Dec 23, 12:47 PM CSTSpecial Weather StatementLIXLivingston, Saint Helena28 min
Dec 23, 12:55 PM CSTSevere Thunderstorm WarningLIXLivingston, Saint Helena, Tangipahoa, Washington50 min
Dec 23, 1:02 PM CSTTornado WarningLIXLivingston, Saint Helena, Tangipahoa28 min
Dec 23, 1:22 PM CSTTornado WarningLIXTangipahoa, Washington23 min
Dec 23, 1:38 PM CSTTornado WarningLIXWashington37 min
Dec 23, 3:09 PM CSTSpecial Weather StatementLIXWashington66 min
Dec 23, 3:26 PM CSTSpecial Weather StatementLIXAscension, Assumption, Saint James64 min
Dec 23, 3:42 PM CSTTornado WarningLIXAscension, Assumption, Saint James48 min
Dec 23, 4:08 PM CSTSevere Thunderstorm WarningLIXSaint James, Saint John the Baptist30 min
Dec 23, 4:09 PM CSTSevere Thunderstorm WarningLIXLafourche, Saint Charles, Saint John the Baptist35 min
Dec 23, 4:22 PM CSTSpecial Marine WarningLIX53 min
Dec 23, 4:23 PM CSTTornado WarningLIXSaint John the Baptist22 min
Dec 23, 4:54 PM CSTSpecial Weather StatementLIXWashington66 min

Nearby

Tornado Warnings in Louisiana, 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.