Alert archive / Louisiana / Tornado Warnings in 1988

Tornado Warning 4, NWS New Orleans, LA

May 24, 1988Jefferson Parish, Orleans Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at May 24, 1988, 4:59 PM CDT for Jefferson Parish, Orleans Parish, Louisiana. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
May 24, 1988, 4:59 PM CDT (21:59 UTC)
Expired
May 24, 1988, 5:30 PM CDT
In force
31 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Jefferson Parish, LA, Orleans Parish, LA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Boothville, LA (KBVE), launched 12:00Z, 10.0 hours before the alert went out and 85 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, Boothville, LA at 12:00Z on 1988-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2654 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, Boothville, LA at 12:00Z on 1988-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.19395878Sfc1 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
2654 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.7
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 242207 COR
TORNEW
LAC051-071-242230-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING     CORRECTED
NATIONAL WEATHER SERVICE NEW ORLEANS LA
459 PM CDT TUE MAY 24 1988

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING PARISHES...

IN SOUTHEAST LOUISIANA
          ...NORTHERN JEFFERSON...ORLEANS

AT 456PM CDT THE NATIONAL WEATHER HAS RECEIVED SEVERAL REPORTS OF A
FUNNEL CLOUD IN THE VICINITY OF METAIRIE IN JEFFERSON PARISH. WEATHER
RADAR INDICATES A STRONG THUNDERSTORM IN THAT AREA MOVING EAST AT 30
MPH.


IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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, May 24, 2:37 PM CDT, 2 hours 22 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
235 PM CST TUE MAY 24 1988

1141 AM CDT...MARBLE SIZE HAIL IN HOUMA...TERREBONNE PARISH.
1203 PM CDT...WIND GUST TO 42 KTS...48 MPH AT HOUMA AIRPORT.
S
130 PM TO 150 PM...1.0 TO 2.0 INCH HAIL REPORTED ACROSS SOUTHEAST
                   ST TAMMANY PARISH.
Special weather statement, May 24, 4:13 PM CDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
410 PM CDT TUE MAY 24 1988

A CLUSTER OF STRONG THUNDERSTORMS WAS INDICATED BY RADAR OVER ST.
CHARLES PARISH MOVING EAST AT 35 MILES AN HOUR. THESE STORMS WILL
BE MOVING ACROSS THE METROPOLITAN NEW ORLEANS AREA DURING THE NEXT
COUPLE OF HOURS.

SMALL HAIL WAS REPORTED WITH THESE THUNDERSTORMS AT RESERVE AND
AS THEY MOVE ACROSS THE METROPOLITAN NEW ORLEANS AREA THEY WILL
LIKELY PRODUCE STRONG GUSTY WINDS...SMALL HAIL...VERY HEAVY RAIN...
AND DANGEROUS LIGHTNING.

EVENING COMMUTERS SHOULD EXERCISE CAUTION AND THE VISIBILITY WILL BE
GREATLY REDUCED IN THE VERY HEAVY RAIN.
Special weather statement, May 24, 4:35 PM CDT, 24 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
435 PM CDT TUE MAY 24 1988

...A SPECIAL MARINE WARNING IS IN EFFECT OF LAKE PONTCHARTRAIN IN
SOUTHEAST LOUISIANA UNTIL 615 PM...

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM FOR MOST OF
SOUTHEAST LOUISIANA...

AT 435 PM A CLUSTER OF STRONG THUNDERSTORMS WAS MOVING INTO THE NEW
ORLEANS AREA AND EXTENDED ACROSS LAKE PONTCHARTRAIN TO NEAR HAMMOND.

SMALL HAIL WAS REPORTED WITH THESE THUNDERSTORMS AT RESERVE AND
AS THEY MOVE ACROSS THE METROPOLITAN NEW ORLEANS AREA THEY WILL
LIKELY PRODUCE STRONG GUSTY WINDS...SMALL HAIL...VERY HEAVY RAIN...
AND DANGEROUS LIGHTNING.

RESIDENTS AND MOTORIST SHOULD REMAIN ALERT AN BE PREPARED TO SEEK
SHELTER IF THREATENING WEATHER IS SIGHTED OR A WARNING IS ISSUED.

NUMEROUS THUNDERSTORMS WITH HEAVY RAIN AND POSSIBLY SMALL HAIL
EXTENDED ACROSS SOUTHEAST LOUISIANA FROM JUST NORTH OF BATON ROUGE TO
JUST NORTH OF BOGALUSA. THESE THUNDERSTORMS EXTENDED INTO
MISSISSIPPI BETWEEN MCCOMB AND HATTIESBURG AND ON EAST INTO
SOUTHWEST ALABAMA.

THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 11:48 AM CDTSevere Thunderstorm WarningLIXAssumption, Lafourche, Terrebonne57 min
May 24, 12:39 PM CDTSevere Thunderstorm WarningLIXPlaquemines, Saint Bernard51 min
May 24, 2:23 PM CDTSevere Thunderstorm WarningLIXJefferson, Plaquemines67 min
May 24, 2:23 PM CDTSevere Thunderstorm WarningLIXLafourche, Terrebonne67 min
May 24, 2:29 PM CDTSevere Thunderstorm WarningLIXSaint Tammany61 min
May 24, 3:17 PM CDTSevere Thunderstorm WarningLIXSaint Helena58 min
May 24, 3:43 PM CDTSevere Thunderstorm WarningLIXTangipahoa62 min
May 24, 3:49 PM CDTSevere Thunderstorm WarningLIXEast Feliciana41 min
May 24, 4:29 PM CDTSevere Thunderstorm WarningLIXSaint Helena61 min
May 24, 5:20 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa55 min
May 24, 5:57 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa63 min
May 24, 6:56 PM CDTSevere Thunderstorm WarningLIXSaint Tammany49 min

Nearby

Tornado Warnings in Louisiana, 1988Every tornado warning in 1988Tornadoes in 1988

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.