Alert archive / Louisiana / Tornado Warnings in 1995

Tornado Warning 46, NWS New Orleans, LA

May 11, 1995Lafourche Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at May 11, 1995, 3:36 PM CDT for Lafourche Parish, Louisiana. It was in force for 54 min.

The area

The counties it named.

The facts

Issued: May 11, 1995, 3:36 PM CDT (20:36 UTC)
Expired: May 11, 1995, 4:30 PM CDT
In force: 54 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County Lafourche Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.6 hours before the alert went out and 107 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: 1596 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 598 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 112038
TORNEW
LAC057-112130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
336 PM CDT THU MAY 11 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  430 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST LOUISIANA
 
   ...SOUTHERN LAFOURCHE PARISH
 
AND THE ADJACENT COASTAL WATERS OF SOUTHEAST LOUISIANA.
 
 
AT 335 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH A POSSIBLE
TORNADO ABOUT 8 MILES WEST NORTHWEST OF GOLDEN MEADOW. THE COMMUNITIES
OF GALLIANO AND GOLDEN MEADOW ARE IN THE PATH OF THIS THUNDEROSTORM AND
POSSIBLE TORNADO.
 
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.

Issued	Product	Office	Counties	Lasted
May 11, 2:25 PM CDT	Severe Thunderstorm Warning	LIX	Lafourche, Terrebonne	65 min
May 11, 3:23 PM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Plaquemines	67 min
May 11, 3:23 PM CDT	Severe Thunderstorm Warning	LIX	Saint Bernard	67 min
May 11, 3:28 PM CDT	Severe Thunderstorm Warning	LIX	Lafourche, Terrebonne	62 min
May 11, 4:17 PM CDT	Tornado Warning	LIX	Plaquemines	58 min
May 11, 4:17 PM CDT	Tornado Warning	LIX	Jefferson	22 min
May 11, 4:47 PM CDT	Severe Thunderstorm Warning	LIX	Saint Bernard	28 min

Nearby

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