Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 92, NWS New Orleans, LA

March 7, 1995Jefferson Parish, Plaquemines Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 7, 1995, 1:31 PM CST for Jefferson Parish, Plaquemines Parish, Louisiana. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Mar 7, 1995, 1:31 PM CST (19:31 UTC)
Expired
Mar 7, 1995, 2:30 PM CST
In force
59 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Jefferson Parish, LA, Plaquemines Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.5 hours before the alert went out and 75 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 1995-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1340 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 1995-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 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
1340 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
360 m²/s²
Significant tornado parameter
1.9
Supercell composite
11.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, Mar 7, 10:49 AM CST, 2 hours 42 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1050 PM CST TUE MAR 7 1995

TIME CST      PARISH            EVENT

1045PM       TANGIPAHOA         SHERIFFS OFFICE REPORTED SEVERAL TREES
                                DOWN ACROSS THE SOUTH PART OF PARISH.
Local storm report, Mar 7, 10:50 AM CST, 2 hours 41 minutes before
LOCAL STORM REPORT...CORRECT TIME
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1050 AM CST TUE MAR 7 1995

TIME CST      PARISH            EVENT

1045AM       TANGIPAHOA         SHERIFFS OFFICE REPORTED SEVERAL TREES
                                DOWN ACROSS THE SOUTH PART OF PARISH.
Local storm report, Mar 7, 10:51 AM CST, 2 hours 40 minutes before
LOCAL STORM REPORT...CORRECT TIME
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1050 AM CST TUE MAR 7 1995

TIME CST      PARISH            EVENT

1045AM       TANGIPAHOA         SHERIFFS OFFICE REPORTED SEVERAL TREES
                                DOWN ACROSS THE SOUTH PART OF PARISH.
Local storm report, Mar 7, 11:45 AM CST, 1 hour 46 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1145 AM CST TUE MAR 7 1995

TIME CST      PARISH            EVENT

1100-1110AM  ST MARY            WIND DAMAGE OR POSSIBLE TORNADO
                                TOUCHDOWN EAST OF MORGAN CITY. DAMAGE
                                TO TWO SMALL VESSELS.  WIND GUST TO
                                47 KT REPORTED.
1115 AM      ST JAMES           VACHERIE WIND...GUSTS TO 57 MPH
                                CONVENT...54 MPH GUSTS

1135 AM      TERREBONNE         ROOF DAMAGE AND POWER LINE DAMAGE
                                IN AND NEAR CHAUVIN AND GIBSON.

1145 AM      JEFFERSON          NUMEROUS REPORTS OF QUARTER TO HALF INCH
                                SIZE HAIL IN METAIRIE.
Local storm report, Mar 7, 11:51 AM CST, 1 hour 40 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1145 AM CST TUE MAR 7 1995

TIME CST      PARISH            EVENT

1100-1110AM  ST MARY            WIND DAMAGE OR POSSIBLE TORNADO
                                TOUCHDOWN EAST OF MORGAN CITY. DAMAGE
                                TO TWO SMALL VESSELS.  WIND GUST TO
                                47 KT REPORTED.
1115 AM      ST JAMES           VACHERIE WIND...GUSTS TO 57 MPH
                                CONVENT...54 MPH GUSTS

1135 AM      TERREBONNE         ROOF DAMAGE AND POWER LINE DAMAGE
                                IN AND NEAR CHAUVIN AND GIBSON.

1145 AM      JEFFERSON          NUMEROUS REPORTS OF QUARTER TO HALF INBCH
                                SIZE HAIL IN METAIRIE.
Special weather statement, Mar 7, 1:20 PM CST, 11 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 6:16 PM CSTSevere Thunderstorm WarningLIXWashington44 min
Mar 6, 6:35 PM CSTSevere Thunderstorm WarningLIXSaint Landry55 min
Mar 7, 2:55 AM CSTSevere Thunderstorm WarningLIXConcordia65 min
Mar 7, 7:29 AM CSTSevere Thunderstorm WarningLIXAvoyelles, Saint Landry61 min
Mar 7, 7:29 AM CSTSevere Thunderstorm WarningLIXCatahoula61 min
Mar 7, 8:25 AM CSTTornado WarningLIXCatahoula65 min
Mar 7, 8:29 AM CSTSevere Thunderstorm WarningLIXEast Baton Rouge61 min
Mar 7, 8:29 AM CSTSevere Thunderstorm WarningLIXWest Feliciana61 min
Mar 7, 8:51 AM CSTSevere Thunderstorm WarningLIXEast Feliciana69 min
Mar 7, 9:14 AM CSTSevere Thunderstorm WarningLIXEast Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana61 min
Mar 7, 9:14 AM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, Iberville61 min
Mar 7, 9:48 AM CSTSevere Thunderstorm WarningLIXAscension, Livingston57 min
Mar 7, 9:48 AM CSTSevere Thunderstorm WarningLIXSaint Helena57 min
Mar 7, 10:18 AM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, Iberville, West Baton Rouge57 min
Mar 7, 10:18 AM CSTSevere Thunderstorm WarningLIXAscension, Livingston, Saint Helena57 min
Mar 7, 10:23 AM CSTSevere Thunderstorm WarningLIXTangipahoa67 min
Mar 7, 10:24 AM CSTTornado WarningLIXAscension, Livingston66 min
Mar 7, 10:24 AM CSTTornado WarningLIXIberville66 min
Mar 7, 10:37 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington68 min
Mar 7, 10:47 AM CSTSevere Thunderstorm WarningLIXAssumption, Lafourche, Saint James, Saint John the Baptist58 min
Mar 7, 10:47 AM CSTSevere Thunderstorm WarningLIXSaint Charles58 min
Mar 7, 11:15 AM CSTSevere Thunderstorm WarningLIXTerrebonne60 min
Mar 7, 11:25 AM CSTSevere Thunderstorm WarningLIXAscension, Livingston65 min
Mar 7, 11:25 AM CSTSevere Thunderstorm WarningLIXIberville65 min
Mar 7, 11:26 AM CSTSevere Thunderstorm WarningLIXOrleans, Plaquemines, Saint Bernard64 min
Mar 7, 11:26 AM CSTSevere Thunderstorm WarningLIXJefferson64 min
Mar 7, 11:32 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington58 min
Mar 7, 11:42 AM CSTSevere Thunderstorm WarningLIXLafourche, Saint Charles63 min
Mar 7, 12:13 PM CSTSevere Thunderstorm WarningLIXTerrebonne32 min
Mar 7, 12:27 PM CSTSevere Thunderstorm WarningLIXPlaquemines, Saint Bernard63 min
Mar 7, 12:27 PM CSTSevere Thunderstorm WarningLIXJefferson63 min
Mar 7, 3:25 PM CSTSevere Thunderstorm WarningLIXPlaquemines65 min
Mar 7, 4:26 PM CSTSevere Thunderstorm WarningLIXPlaquemines49 min
Mar 7, 5:12 PM CSTSevere Thunderstorm WarningLIXPlaquemines63 min
Mar 7, 9:06 AM CSTSevere Thunderstorm WarningLIXAmite54 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.