Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 13, NWS New Orleans, LA

January 6, 1995Saint Tammany Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Jan 6, 1995, 2:24 PM CST for Saint Tammany Parish, Louisiana. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jan 6, 1995, 2:24 PM CST (20:24 UTC)
Expired
Jan 6, 1995, 3:13 PM CST
In force
49 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Saint Tammany Parish, LA

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 1995-01-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 375 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
375 m²/s²
0-3 km storm-relative helicity
534 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 062026 RRA
SVRNEW
LAC103-062130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
224 PM CST FRI JAN 6 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM CST
FOR RESIDENTS IN THE FOLLOWING PARISHES...
 
IN SOUTHEAST LOUISIANA
 
   ...ST.TAMMANY PARISH
 
AT 225 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM OVER THE SOUTHWEST PART OF LAKE PONTCHARTRAIN...JUST NORTH
OF KENNER. THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AROUND 45 MPH.
THE THUNDERSTORM WILL MOVE INTO THE SOUTH PORTION OF ST TAMMANY PARISH
BETWEEN 245 PM AND 330 PM THIS AFTERNOON.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Jan 6, 2:13 PM CST, 11 minutes before
LAZ037-049-050-062110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
213 PM CST FRI JAN 6 1995

...TORNADO WATCH REMAINS IN EFFECT FOR ST HELENA...LIVINGSTON...AND
ASCENSION PARISHES...

AT 205 PM CST RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 5
MILES WEST OF THIBODAUX EXTENDING NORTHEAST THROUGH BOGALUSA TO 20 MILES
WEST OF HATTIESBURG MISSISSIPPI.  THE LINE WAS MOVING TOWARD THE
SOUTHEAST AT 35 MPH.  NO FURTHER DEVELOPMENT NOTED WEST OF THIS LINE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 9:30 AM CSTSevere Thunderstorm WarningLIXCatahoula60 min
Jan 6, 10:00 AM CSTSevere Thunderstorm WarningLIXConcordia60 min
Jan 6, 10:35 AM CSTSevere Thunderstorm WarningLIXAvoyelles, Saint Landry55 min
Jan 6, 11:12 AM CSTSevere Thunderstorm WarningLIXEast Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana63 min
Jan 6, 11:12 AM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, Saint Helena63 min
Jan 6, 11:16 AM CSTSevere Thunderstorm WarningLIXIberia, Saint Martin59 min
Jan 6, 11:33 AM CSTSevere Thunderstorm WarningLIXIberville57 min
Jan 6, 12:19 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Saint Helena, West Baton Rouge56 min
Jan 6, 12:22 PM CSTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington68 min
Jan 6, 12:25 PM CSTSevere Thunderstorm WarningLIXIberville65 min
Jan 6, 1:25 PM CSTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington65 min
Jan 6, 2:20 PM CSTSevere Thunderstorm WarningLIXJefferson, Orleans40 min
Jan 6, 2:45 PM CSTSevere Thunderstorm WarningLIXLafourche, Terrebonne60 min
Jan 6, 3:18 PM CSTSevere Thunderstorm WarningLIXJefferson, Plaquemines57 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.