Alert archive / Louisiana / Tornado Warnings in 1996

Tornado Warning 12, NWS New Orleans, LA

April 14, 1996Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Apr 14, 1996, 7:43 PM CDT for Tangipahoa Parish, Louisiana. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 14, 1996, 7:43 PM CDT (00:43 UTC)
Expired
Apr 14, 1996, 8:15 PM CDT
In force
32 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Tangipahoa Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.7 hours before the alert went out and 80 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 00:00Z on 1996-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2003 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 1996-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
2003 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
297 m²/s²
Significant tornado parameter
3.5
Supercell composite
14.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 150042
TORNEW
LAC105-150115-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
743 PM CDT SUN APR 14 1996
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  815 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST LOUISIANA
 
   ...SOUTHERN TANGIPAHOA PARISH
 
AT 742 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM POSSIBLY
CONTAINING A TORNADO 5 MILES SOUTH OF ROBERT MOVING TO THE NORTHEAST AT
35 MPH. THIS IS AN EXTREMELY DANGEROUS STORM. TAKE COVER IMMEDIATELY.
THIS STORM WILL MOVE THROUGH ROBERT BY 755 PM CDT.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WjORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 14, 4:10 PM CDT, 3 hours 33 minutes before
LAZ038-039-MSZ070-071-142145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
409 PM CDT SUN APR 14 1996

...THE SEVERE THUNDERSTORM WARNING FOR TANGIPAHOA PARISH AND PIKE COUNTY
HAS BEEN CANCELLED...

AT 405 PM CDT...THE THUNDERSTORM THAT PROMPTED THE SEVERE THUNDERSTORM
WARNING FOR NORTHERN TANGIPAHOA PARISH LOUISIANA AND PIKE COUNTY
MISSISSIPPI HAS WEAKENED AND MOVED INTO NORTHERN WASHINGTON PARISH AND
WALTHALL COUNTY. THE WARNING HAS BEEN CANCELLED.

ADDITIONAL STRONG TO SEVERE THUNDERSTORMS HAVE DEVELOPED JUST EAST
OF MISSISSIPPI RIVER IN SOUTHWEST MISSISSIPPI...AND THESE STORMS WILL
MOVE ACROSS EXTREME SOUTH MISSISSIPPI THROUGH THE REMAINDER OF THIS
AFTERNOON. A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM ACROSS
SOUTHWEST AND SOUTH CENTRAL MISSISSIPPI.
Special weather statement, Apr 14, 6:39 PM CDT, 1 hour 4 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-150030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
614 PM CDT SUN APR 14 1996

...THE TORNADO WATCH FOR SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI
   EXPIRED AT 6 PM CDT...
...A TORNADO WATCH REMAINS IN EFFECT UNTIL 7 PM CDT FOR SOUTHWEST
   MISSISSIPPI TO INCLUDE WILKINSON..AMITE..PIKE AND WALTHALL
   COUNTIES...
...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR TONIGHT ACROSS
   SOUTHEAST LOUISIANA AND COASTAL MISSISSIPPI...

MUCH OF THE THUNDERSTORM ACTIVITY HAS DIMINISHED ACROSS THE WATCH
AREA LATE THIS AFTERNOON HOWEVER NEW DEVELOPMENT WILL OCCUR. THE MAIN
CONCERN TONIGHT WILL BE HEAVY RAINFALL. STAY TUNED FOR LATER0 STATEMENTS
AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 7:17 PM CDTSevere Thunderstorm WarningLIXTangipahoa58 min
Apr 14, 7:56 PM CDTTornado WarningLIXSaint Tammany34 min
Apr 14, 8:32 PM CDTTornado WarningLIXSaint Tammany28 min
Apr 14, 9:01 PM CDTTornado WarningLIXSaint Tammany44 min
Apr 14, 11:17 PM CDTSevere Thunderstorm WarningLIXSaint Tammany58 min
Apr 15, 12:28 AM CDTSevere Thunderstorm WarningLIXTangipahoa47 min
Apr 15, 12:51 AM CDTSevere Thunderstorm WarningLIXAscension, Livingston69 min
Apr 15, 1:37 AM CDTTornado WarningLIXSaint Tammany23 min
Apr 15, 2:26 AM CDTSevere Thunderstorm WarningLIXPlaquemines, Saint Bernard49 min
Apr 15, 2:34 AM CDTSevere Thunderstorm WarningLIXJefferson, Orleans41 min
Apr 15, 2:34 AM CDTSevere Thunderstorm WarningLIXSaint Charles41 min

Nearby

Tornado Warnings in Louisiana, 1996Every tornado warning in 1996Tornadoes in 1996

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.