Alert archive / Louisiana / Tornado Warnings in 1995

Tornado Warning 49, NWS New Orleans, LA

May 12, 1995Assumption Parish, St. Mary Parish, Terrebonne Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at May 12, 1995, 1:35 PM CDT for Assumption Parish, St. Mary Parish, Terrebonne Parish, Louisiana. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
May 12, 1995, 1:35 PM CDT (18:35 UTC)
Expired
May 12, 1995, 2:00 PM CDT
In force
25 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Assumption Parish, LA, St. Mary Parish, LA, Terrebonne Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.6 hours before the alert went out and 154 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 1995-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 939 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 12:00Z on 1995-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
939 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
908 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 121838
TORNEW
LAC007-101-109-121900-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
135 PM CDT FRI MAY 12 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  200 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST LOUISIANA
 
   ...SOUTHERN ASSUMPTION PARISH...EASTERN ST.MARY PARISH
   ...WESTERN TERREBONNE PARISH
 
AND THE ADJACENT COASTAL WATERS OF SOUTHEAST LOUISIANA.
 
 
AT 125 PM CDT A TORNADO WAS REPORTED BY THE ST. MARY PARISH
SHERIFFS OFFICE IN MORGAN CITY IN THE GREENWOOD AREA. THE
COMMUNITIES OF GIBSON AND AMELIA ARE IN THE PATH OF THIS STORM.
 
 
 
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
May 12, 2:13 AM CDTSevere Thunderstorm WarningLIXLivingston2 hr
May 12, 2:13 AM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, Iberville67 min
May 12, 2:56 AM CDTSevere Thunderstorm WarningLIXAscension24 min
May 12, 2:56 AM CDTSevere Thunderstorm WarningLIXSaint John the Baptist, Tangipahoa95 min
May 12, 3:28 AM CDTSevere Thunderstorm WarningLIXSaint Tammany102 min
May 12, 5:35 AM CDTSevere Thunderstorm WarningLIXAvoyelles, Saint Landry55 min
May 12, 6:16 AM CDTSevere Thunderstorm WarningLIXAvoyelles, Saint Landry59 min
May 12, 7:16 AM CDTSevere Thunderstorm WarningLIXPointe Coupee44 min
May 12, 7:39 AM CDTSevere Thunderstorm WarningLIXSaint Landry66 min
May 12, 8:38 AM CDTSevere Thunderstorm WarningLIXAvoyelles, Saint Landry67 min
May 12, 9:41 AM CDTSevere Thunderstorm WarningLIXAvoyelles64 min
May 12, 10:11 AM CDTFlash Flood WarningLIXPointe Coupee, West Feliciana64 min
May 12, 10:11 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana64 min
May 12, 10:38 AM CDTSevere Thunderstorm WarningLIXIberia, Saint Martin67 min
May 12, 10:57 AM CDTSevere Thunderstorm WarningLIXPointe Coupee42 min
May 12, 10:57 AM CDTSevere Thunderstorm WarningLIXIberville, West Baton Rouge63 min
May 12, 11:27 AM CDTSevere Thunderstorm WarningLIXAssumption, Saint Martin, St. Mary63 min
May 12, 12:23 PM CDTSevere Thunderstorm WarningLIXAssumption, Iberia, Saint Martin, St. Mary67 min
May 12, 12:41 PM CDTSevere Thunderstorm WarningLIXLafourche, Terrebonne64 min
May 12, 1:39 PM CDTSevere Thunderstorm WarningLIXLafourche66 min
May 12, 1:54 PM CDTSevere Thunderstorm WarningLIXTerrebonne66 min
May 12, 2:31 PM CDTSevere Thunderstorm WarningLIXLafourche59 min
May 12, 3:11 PM CDTSevere Thunderstorm WarningLIXEast Feliciana53 min
May 12, 3:11 PM CDTSevere Thunderstorm WarningLIXWest Feliciana64 min
May 12, 3:26 PM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche64 min

Nearby

Tornado Warnings in Louisiana, 1995Every tornado warning in 1995Tornadoes in 1995

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.