Alert archive / Louisiana / Tornado Warnings in 1996

Tornado Warning 31, NWS New Orleans, LA

November 24, 1996Saint Helena Parish, Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Nov 24, 1996, 9:46 PM CST for Saint Helena Parish, Tangipahoa Parish, Louisiana. It was in force for 29 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: Nov 24, 1996, 9:46 PM CST (03:46 UTC)
Expired: Nov 24, 1996, 10:15 PM CST
In force: 29 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Saint Helena Parish, LA, Tangipahoa Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.8 hours before the alert went out and 98 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 409 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 548 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 289 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 250347 RRA
TORNEW
LAC091-105-250415-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
946 PM CST SUN NOV 24 1996
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1015 PM CST
FOR RESIDENTS IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST LOUISIANA
 
   ...ST. HELENA PARISH...NORTHERN TANGIPAHOA PARISH
 
AT 945 PM...DOPPLER RADAR IN SLIDELL INDICATED A SEVERE THUNDERSTORM
WITH A POSSIBLE TORNADO MOVING INTO SOUTHERN ST. HELENA PARISH...SOUTH
OF PINE GROVE. THE THUNDERSTORM WAS MOVING NORTH-NORTHEAST AT 30 MILES
AN HOUR. PINE GROVE...GREENSBURG...AND KENTWOOD ARE IN THE PATH OF THIS
STORM.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

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

Local storm report, Nov 24, 6:40 PM CST, 3 hours 6 minutes before

PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
637 PM CST SUN NOV  24 1996

TIME(CST)  .....CITY LOCATION......STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION.....

0537 PM    ST ROSE                   LA   TORNADO
11/24/96   ST. CHARLES                    TOUCHED DOWN ALONG HIGHWAY
                                          48. A GAS LINE WAS
                                          RUPTURED PRODUCING A GAS
                                          LEAK. SOME MINOR
                                          STRUCTURAL DAMAGE.
                                          REPORTED BY ST CHARLES
                                          S.O. RELAYED BY TROOP B.

0554 PM    10 E BAKER                LA   TORNADO
11/24/96   E BATON ROUGE                  A WHITE PLYMOUTH VOYAGER
                                          VAN WAS LIFTED ONTO THE
                                          ROOF OF A HOUSE AND
                                          ROLLED OFF THE ROOF.
                                          MINOR TREE LIMB DAMAGE
                                          ALSO REPORTED ON TALLOWOOD ST.
                                          REPORTED BY E BATON ROUGE
                                          SHERIFFS OFFICE.

24

Special weather statement, Nov 24, 7:31 PM CST, 2 hours 15 minutes before

LAZ049-056-029-048-036-046-061-068-059-067-050-062-063-069-034-
064-070-060-037-057-058-054-040-038-065-066-039-047-035-250230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
731 PM CST SUN NOV 24 1996

...STRONG STORMS ARE APPROACHING THE AREA FROM THE WEST...

A SQUALL LINE LOCATED FROM LAFAYETTE TO FRANKLIN WAS MOVING TO THE EAST
AT 25 MPH.  STRONG DAMAGING WINDS AND ISOLATED TORNADOES ARE POSSIBLE
WITH THE PASSAGE OF THIS LINE THIS EVENING.  A TORNADO WATCH IS IN
EFFECT UNTIL 11 PM CST.

THE BATON ROUGE METRO AREA CAN EXPECT THIS SQUALL LINE TO MOVE THROUGH
AROUND 830 PM. THE GREATER NEW ORLEANS AREA CAN SEE STRONG STORMS AROUND
10 PM.

PERSONS ACROSS SOUTHEAST LOUISIANA SHOULD CLOSELY MONITOR THE WEATHER
SITUATION AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD WEATHER
THREATEN YOUR AREA.  STAY TUNED TO LOCAL TV...RADIO OR NOAA WEATHER
RADIO FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. MEANWHILE...HAVE
A PLAN OF ACTION PREPARED IN THE EVENT SEVERE WEATHER OCCURS.

Special weather statement, Nov 24, 7:32 PM CST, 2 hours 14 minutes before

LAZ049-056-029-048-036-046-061-068-059-067-050-062-063-069-034-
064-070-060-037-057-058-054-040-038-065-066-039-047-035-250230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
731 PM CST SUN NOV 24 1996

...STRONG STORMS ARE APPROACHING THE AREA FROM THE WEST...

A SQUALL LINE LOCATED FROM LAFAYETTE TO FRANKLIN WAS MOVING TO THE EAST
AT 25 MPH.  STRONG DAMAGING WINDS AND ISOLATED TORNADOES ARE POSSIBLE
WITH THE PASSAGE OF THIS LINE THIS EVENING.  A TORNADO WATCH IS IN
EFFECT UNTIL 11 PM CST.

THE BATON ROUGE METRO AREA CAN EXPECT THIS SQUALL LINE TO MOVE THROUGH
AROUND 830 PM. THE GREATER NEW ORLEANS AREA CAN SEE STRONG STORMS AROUND
10 PM.

PERSONS ACROSS SOUTHEAST LOUISIANA SHOULD CLOSELY MONITOR THE WEATHER
SITUATION AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD WEATHER
THREATEN YOUR AREA.  STAY TUNED TO LOCAL TV...RADIO OR NOAA WEATHER
RADIO FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. MEANWHILE..2.HAVE
A PLAN OF ACTION PREPARED IN THE EVENT SEVERE WEATHER OCCURS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 24, 7:37 PM CST	Severe Thunderstorm Warning	LIX	Assumption, Iberville	38 min
Nov 24, 8:10 PM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, West Baton Rouge	35 min
Nov 24, 8:51 PM CST	Tornado Warning	LIX	East Feliciana	54 min
Nov 24, 9:10 PM CST	Severe Thunderstorm Warning	LIX	Ascension	35 min
Nov 24, 9:32 PM CST	Tornado Warning	LIX	Livingston	28 min
Nov 24, 10:17 PM CST	Severe Thunderstorm Warning	LIX	Tangipahoa	28 min
Nov 24, 10:46 PM CST	Severe Thunderstorm Warning	LIX	Washington	44 min

Nearby

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