Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 113, NWS New Orleans, LA

March 16, 1995Lafourche Parish, Terrebonne Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 16, 1995, 12:58 AM CST for Lafourche Parish, Terrebonne Parish, Louisiana. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Mar 16, 1995, 12:58 AM CST (06:58 UTC)
Expired
Mar 16, 1995, 2:00 AM CST
In force
62 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Lafourche Parish, LA, Terrebonne Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.0 hours before the alert went out and 128 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 1995-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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 1995-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
34 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1300 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
59 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 160658 RRA
SVRNEW
LAC057-109-160800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1258 AM CST THU MAR 16 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 AM CST
FOR RESIDENTS IN THE FOLLOWING PARISHES...
 
IN SOUTHEAST LOUISIANA
 
   ...LAFOURCHE PARISH...EASTERN TERREBONNE PARISH
 
AND THE ADJACENT COASTAL WATERS OF SOUTHEAST LOUISIANA.
 
 
AT 1255 AM CST NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A BAND OF
SEVERE THUNDERSTORMS EXTENDED FROM JUST WEST OF HOUMA SOUTH TO THE
COASTAL WATERS. THE STORMS WERE MOVING NORTHEAST AT 2O MPH. THE STORMS
WILL BE MOVING INTO THE HOUMA AREA WITHIN THE NEXT HALF HOUR.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FRO<M WINDOWS UNTIL THE STORM HAS PASSED.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 16, 12:47 AM CST, 11 minutes before
LAZ036-160750-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
1247 AM CST THU MAR 16 1995

...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL LOUISIANA UNTIL 6 AM
...STRONG THUNDERSTORMS ARE BACK IN EAST CENTRAL LOUISIANA...

AT 1241 CST RADAR INDICATED A STRONG THUNDERSTORM IN THE SOUTHWEST
CORNER OF EAST FELICIANA PARISH MOVING TOWARD THE NORTHEAST AT 17 MPH.
PERSONS IN EAST FELICIANA PARISH CAN EXPECT THIS THUNDERSTORM DURING
THE NEXT HOUR.

ELSEWHERE...A SEVERE THUNDERSTORM WAS SEEN IN TERREBONE PARISH MOVING
NORTHEAST AT 10 MPH.  ISOLATED THUNDERSTORMS WERE SEEN NEAR MARSH
ISLAND AND 12 MILES EAST OF LAFAYETTE.  THESE THUNDERSTORMS WERE MOVING
TOWARD THE NORTHEAST AT 17 MPH.
Special weather statement, Mar 16, 12:48 AM CST, 10 minutes before
LAZ036-160750-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
1247 AM CST THU MAR 16 1995

...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL LOUISIANA UNTIL 6 AM
...STRONG THUNDERSTORMS ARE BACK IN EAST CENTRAL LOUISIANA...

AT 1241 CST RADAR INDICATED A STRONG THUNDERSTORM IN THE SOUTHWEST
CORNER OF EAST FELICIANA PARISH MOVING TOWARD THE NORTHEAST AT 17 MPH.
PERSONS IN EAST FELICIANA PARISH CAN EXPECT THIS THUNDERSTORM DURING
THE NEXT HOUR.

ELSEWHERE...A SEVERE THUNDERSTORM WAS SEEN IN TERREBONE PARISH MOVING
NORTHEAST AT 10 MPH.  ISOLATED THUNDERSTORMS WERE SEEN NEAR MARSH
ISLAND AND 12 MILES EAST OF LAFAYETTE.  THESE THUNDERSTORMS WERE MOVING
TOWARD THE NORTHEAST AT 17 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 10:11 PM CSTSevere Thunderstorm WarningLIXTerrebonne49 min
Mar 15, 11:05 PM CSTSevere Thunderstorm WarningLIXLafourche, Terrebonne55 min
Mar 15, 11:55 PM CSTSevere Thunderstorm WarningLIXTerrebonne65 min
Mar 16, 12:11 AM CSTSevere Thunderstorm WarningLIXAssumption, St. Mary64 min
Mar 16, 1:14 AM CSTSevere Thunderstorm WarningLIXAssumption, Saint James61 min
Mar 16, 1:16 AM CSTSevere Thunderstorm WarningLIXEast Feliciana59 min
Mar 16, 1:36 AM CSTSevere Thunderstorm WarningLIXAscension69 min
Mar 16, 1:51 AM CSTSevere Thunderstorm WarningLIXJefferson69 min
Mar 16, 2:38 AM CSTSevere Thunderstorm WarningLIXPlaquemines67 min
Mar 16, 2:53 AM CSTSevere Thunderstorm WarningLIXAssumption67 min
Mar 16, 3:11 AM CSTSevere Thunderstorm WarningLIXSaint Bernard64 min
Mar 16, 3:42 PM CSTSevere Thunderstorm WarningLIXLivingston, Saint Helena63 min
Mar 16, 4:39 PM CSTSevere Thunderstorm WarningLIXSaint John the Baptist66 min
Mar 16, 5:29 PM CSTSevere Thunderstorm WarningLIXTangipahoa61 min
Mar 16, 5:45 PM CSTSevere Thunderstorm WarningLIXOrleans60 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995Every severe thunderstorm warning 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.