Alert archive / Louisiana / Tornado Warnings in 1992

Tornado Warning 13, NWS New Orleans, LA

August 26, 1992Iberville Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Aug 26, 1992, 2:44 AM CDT for Iberville Parish, Louisiana. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Aug 26, 1992, 2:44 AM CDT (07:44 UTC)
Expired
Aug 26, 1992, 3:30 AM CDT
In force
46 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Iberville Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.7 hours before the alert went out and 158 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 1992-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1414 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 1992-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 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
1414 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
305 m²/s²
Significant tornado parameter
1.7
Supercell composite
11.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBTR 260746
TORBTR
LAC047-260830-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BATON ROUGE LA
244 AM CDT WED AUG 26 1992
 
THE NATIONAL WEATHER SERVICE IN BATON ROUGE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL LOUISIANA
 
   ...CENTRAL IBERVILLE PARISH
 
A TORNADO WAS REPORTED IN THE VICINITY OF INDIAN VILLAGE BRIDGE ABOUT
5 MILES SOUTHWEST OF PLAQUEMINE MOVING WEST NEAR 25 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.

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, 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
Aug 26, 3:24 PM CDTTornado WarningLIXSaint Tammany66 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; the sounding from the Mesonet's radiosonde archive.