Alert archive / Louisiana / Tornado Warnings in 2014

Tornado Warning 18, NWS New Orleans, LA

October 13, 2014Walthall County, Mississippi; Tangipahoa Parish, Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Oct 13, 2014, 4:45 PM CDT for Walthall County, Mississippi; Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 45 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
Oct 13, 2014, 4:45 PM CDT (21:45 UTC)
Expired
Oct 13, 2014, 5:30 PM CDT
In force
45 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

Counties Tangipahoa Parish, LA, Washington Parish, LA, Walthall County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 13, 1:39 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.8 hours before the alert went out and 96 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 2014-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2055 joules per kilogram.LCLEL10008507005003002001001 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 2014-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.193958Sfc1 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
2055 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.3

Open this sounding in Storm Lab

The text

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

996 
WFUS54 KLIX 132145
TORLIX
LAC105-117-MSC147-132230-
/O.NEW.KLIX.TO.W.0018.141013T2145Z-141013T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
445 PM CDT MON OCT 13 2014

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  TANGIPAHOA PARISH IN SOUTHEAST LOUISIANA...
  WASHINGTON PARISH IN SOUTHEAST LOUISIANA...
  WALTHALL COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 530 PM CDT

* AT 444 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WILMER...OR
  11 MILES WEST OF FRANKLINTON...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  TYLERTOWN BY 520 PM CDT...
  DEXTER BY 525 PM CDT...

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 1000 PM CDT MONDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3116 9000 3114 9000 3114 8994 3113 8993
      3107 8991 3073 9029 3080 9041 3116 9016
TIME...MOT...LOC 2145Z 215DEG 35KT 3080 9031

$$

CAB
2 follow-up statements
207 
WWUS54 KLIX 132212
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
512 PM CDT MON OCT 13 2014

LAC105-117-MSC147-132230-
/O.CON.KLIX.TO.W.0018.000000T0000Z-141013T2230Z/
WALTHALL MS-WASHINGTON LA-TANGIPAHOA LA-
512 PM CDT MON OCT 13 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR WALTHALL
COUNTY...AND TANGIPAHOA AND WASHINGTON PARISHES...

AT 510 PM CDT...A TORNADO WAS REPORTED.  THIS TORNADO WAS LOCATED 10
MILES SOUTH OF TYLERTOWN...OR 9 MILES NORTH OF FRANKLINTON...MOVING
NORTHEAST AT 40 MPH.

STILL AN INDICATION OF A DEBRIS SIGNATURE ON THIS STORM. 

THE TORNADO WILL BE NEAR...
  7 MILES SOUTHEAST OF TYLERTOWN BY 520 PM CDT...
  DEXTER BY 525 PM CDT...

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 1000 PM CDT MONDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3116 9000 3114 9000 3114 8994 3113 8993
      3107 8991 3073 9029 3080 9041 3116 9016
TIME...MOT...LOC 2212Z 221DEG 34KT 3099 9011

$$

CAB
713 
WWUS54 KLIX 132216
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
516 PM CDT MON OCT 13 2014

LAC105-117-MSC147-132230-
/O.CON.KLIX.TO.W.0018.000000T0000Z-141013T2230Z/
WALTHALL MS-WASHINGTON LA-TANGIPAHOA LA-
516 PM CDT MON OCT 13 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR WALTHALL
COUNTY...AND TANGIPAHOA AND WASHINGTON PARISHES...

AT 513 PM CDT...A TORNADO HAS NOT BEEN VISUALLY REPORTED YET. THIS 
POSSIBLE TORNADO WAS LOCATED 8 MILES SOUTH OF TYLERTOWN...OR 11 
MILES NORTH OF FRANKLINTON...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  7 MILES SOUTHEAST OF TYLERTOWN BY 520 PM CDT...
  DEXTER BY 525 PM CDT...

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 1000 PM CDT MONDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3116 9000 3114 9000 3114 8994 3113 8993
      3107 8991 3073 9029 3080 9041 3116 9016
TIME...MOT...LOC 2215Z 221DEG 34KT 3101 9009

$$

CAB

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 1:58 PM CDTSpecial Weather StatementLIXWilkinson47 min
Oct 13, 2:12 PM CDTSevere Thunderstorm WarningLIXWilkinson48 min
Oct 13, 4:11 PM CDTSpecial Weather StatementLIXJackson64 min
Oct 13, 4:24 PM CDTSpecial Weather StatementLIXWalthall66 min
Oct 13, 4:41 PM CDTTornado WarningLIXHarrison19 min
Oct 13, 4:57 PM CDTSevere Thunderstorm WarningLIXAmite, Pike34 min
Oct 13, 4:59 PM CDTTornado WarningLIXJackson16 min
Oct 13, 5:08 PM CDTTornado WarningLIXHarrison, Jackson22 min
Oct 13, 5:19 PM CDTSevere Thunderstorm WarningLIXPike23 min
Oct 13, 5:21 PM CDTTornado WarningLIXJackson24 min
Oct 13, 5:21 PM CDTTornado WarningLIXJackson24 min
Oct 13, 5:28 PM CDTTornado WarningLIXWalthall17 min
Oct 13, 5:39 PM CDTSevere Thunderstorm WarningLIXWalthall36 min
Oct 13, 5:50 PM CDTSevere Thunderstorm WarningLIXWalthall25 min
Oct 13, 6:04 PM CDTSevere Thunderstorm WarningLIXPearl River41 min
Oct 13, 6:07 PM CDTSevere Thunderstorm WarningLIXHancock38 min
Oct 13, 6:17 PM CDTSevere Thunderstorm WarningLIXPearl River43 min
Oct 13, 6:35 PM CDTSevere Thunderstorm WarningLIXHancock40 min
Oct 13, 4:05 AM CDTSmall Craft AdvisoryLIX39 hr
Oct 13, 2:41 PM CDTSpecial Weather StatementLIXWashington34 min
Oct 13, 3:42 PM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana78 min
Oct 13, 4:29 PM CDTSevere Thunderstorm WarningLIXLivingston, Saint Helena61 min
Oct 13, 4:31 PM CDTSevere Thunderstorm WarningLIXAscension, Livingston59 min
Oct 13, 4:40 PM CDTSpecial Marine WarningLIX20 min
Oct 13, 4:42 PM CDTSpecial Marine WarningLIX18 min
Oct 13, 4:43 PM CDTSpecial Marine WarningLIX32 min
Oct 13, 5:05 PM CDTTornado WarningLIXSaint Charles10 min
Oct 13, 5:06 PM CDTSevere Thunderstorm WarningLIXTangipahoa54 min
Oct 13, 5:07 PM CDTSpecial Marine WarningLIX23 min
Oct 13, 5:14 PM CDTSevere Thunderstorm WarningLIXAscension, Assumption, Lafourche, Livingston, Saint Charles, Saint James and 1 more46 min
Oct 13, 5:25 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Washington50 min
Oct 13, 5:25 PM CDTSevere Thunderstorm WarningLIXSaint Tammany50 min
Oct 13, 5:26 PM CDTSpecial Marine WarningLIX34 min
Oct 13, 5:26 PM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche, Saint Charles64 min
Oct 13, 5:33 PM CDTSevere Thunderstorm WarningLIXSaint Tammany57 min
Oct 13, 6:18 PM CDTSpecial Marine WarningLIX27 min
Oct 13, 6:29 PM CDTSevere Thunderstorm WarningLIXJefferson, Orleans, Saint Bernard46 min
Oct 13, 6:47 PM CDTSpecial Marine WarningLIX28 min

Nearby

Tornado Warnings in Louisiana, 2014Tornado 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.