Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 7, NWS New Orleans, LA

January 6, 1995Iberville Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Jan 6, 1995, 11:33 AM CST for Iberville Parish, Louisiana. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jan 6, 1995, 11:33 AM CST (17:33 UTC)
Expired
Jan 6, 1995, 12:30 PM CST
In force
57 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 12:00Z, 5.6 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 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 
WUUS1 KBTR 061829
SVRBTR
LAC047-061830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BATON ROUGE LA
1225 AM CST FRI JAN 6 1995

THE NATIONAL WEATHER SERVICE IN BATON ROUGE HAS EXTENED THE SEVERE
THUNDERSTORM WARNING UNTIL 130 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS......

IN EAST CENTRAL LOUISIANA

   ...IBERVILLE PARISH

AT 1225 NATIONAL WEATHER SERVICE IN BATON ROUGE INDICATED SEVERE
THUNDERSTORMS ACROSS CENTRAL IBERVILLE PARISH JUST SOUTH PLAQUEMINES.
INDIVIDUAL THUNDERSTORM CELLS WERE RACING OFF TO THE NORTHEAST
AT NEAR 40 MPH WHILE THE LINE OF SHOWERS AND THUNDERSTORMS WERE
MOVING SOUTHEASTWARD AT NEAR 25 MPH.


SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.


NNNN

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, 8:12 AM CST, 3 hours 21 minutes before
LAZ024-026-029-061515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
812 AM CST FRI JAN 6 1995

...SEVERE THUNDERSTORM WARNING FOR CATAHOULA...AVOYELLES...AND
CONCORDIA PARISHES...IS CANCELLED...

...TORNADO WATCH REMAINS IN EFFECT...

AT 802 AM CST RADAR INDICATED VERY FAST MOVING THUNDERSTORMS WERE
MOVING OUT OF THE AFOREMENTIONED PARISHES.  OTHER THUNDERSTORMS WERE
SEEN IN WESTERN LOUISIANA MOVING TOWARD THE NORTHEAST AT 60 MPH.

DEVELOPMENT OF NEW THUNDERSTORMS REMAINS LIKELY THIS MORNING.  YOU
SHOULD KEEP ABREAST OF LATEST DEVELOPMENTS BY MONITORING NOAA WEATHER
RADIO AND YOUR LOCAL TV AND RADIO STATIONS FOR LATER STATEMENTS OR
WARNINGS CONCERNING THIS SEVERE WEATHER SITUATCFTHER SITUATION.
Special weather statement, Jan 6, 8:12 AM CST, 3 hours 21 minutes before
LAZ024-026-029-061515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
812 AM CST FRI JAN 6 1995

...SEVERE THUNDERSTORM WARNING FOR CATAHOULA...AVOYELLES...AND
CONCORDIA PARISHES...IS CANCELLED...

...TORNADO WATCH REMAINS IN EFFECT...

AT 802 AM CST RADAR INDICATED VERY FAST MOVING THUNDERSTORMS WERE
MOVING OUT OF THE AFOREMENTIONED PARISHES.  OTHER THUNDERSTORMS WERE
SEEN IN WESTERN LOUISIANA MOVING TOWARD THE NORTHEAST AT 60 MPH.

DEVELOPMENT OF NEW THUNDERSTORMS REMAINS LIKELY THIS MORNING.  YOU
SHOULD KEEP ABREAST OF LATEST DEVELOPMENTS BY MONITORING NOAA WEATHER
RADIO AND YOUR LOCAL TV AND RADIO STATIONS FOR LATER STATEMENTS OR
WARNINGS CONCERNING THIS SEVERE WEATHER SITUATCFTHER SITUATION.

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, 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, 2:24 PM CSTSevere Thunderstorm WarningLIXSaint Tammany49 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.