Alert archive / Louisiana / Tornado Warnings in 1992

Tornado Warning 19, NWS New Orleans, LA

August 26, 1992Saint Tammany Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Aug 26, 1992, 3:24 PM CDT for Saint Tammany Parish, Louisiana. It was in force for 66 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 26, 1992, 3:24 PM CDT (20:24 UTC)
Expired
Aug 26, 1992, 4:30 PM CDT
In force
66 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Saint Tammany Parish, LA

What was reported inside it

TimeReportWhereRemark
Aug 26, 3:30 PM CDTTornado F1St. Tammany, LA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 30 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 1992-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1929 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 1992-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
1929 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 262024
TORNEW
LAC103-262130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
324 PM CDT WED AUG 26 1992
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  430 PM CDT
FOR RESIDENTS IN THE FOLLOWING PARISHES
 
IN SOUTHEAST LOUISIANA
 
   ...EAST HALF OF ST.TAMMANY PARISH FROM COVINGTON EASTWARD...
 
MANDEVILLE EMERGENCY OPERATING PERSONNEL REPORTED A TORNADO TOUCHED
DOWN IN MANDEVILE ABOUT 318 PM CDT. NATIONAL WEATHER SERVICE
RADAR INDICATED A STRONG THUNDERSTORM IN THIS SAME AREA MOVING
NORTHNORTHEAST 40 TO 50 MPH. DAMAGE UNKNOWN AT THIS TIME.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 12:05 AM CDTSevere Thunderstorm WarningLIXOrleans, Saint Tammany25 min
Aug 26, 2:44 AM CDTTornado WarningLIXIberville46 min
Aug 26, 3:31 AM CDTTornado WarningLIXSaint Charles29 min
Aug 26, 8:33 AM CDTTornado WarningLIXSaint Tammany57 min
Aug 26, 9:14 AM CDTTornado WarningLIXPointe Coupee31 min
Aug 26, 9:35 AM CDTTornado WarningLIXSaint Tammany40 min
Aug 26, 10:28 AM CDTTornado WarningLIXPointe Coupee32 min

Nearby

Tornado Warnings in Louisiana, 1992Every tornado warning in 1992Tornadoes in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.