Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 85, NWS New Orleans, LA

March 7, 1995Orleans Parish, Plaquemines Parish, Saint Bernard Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 7, 1995, 11:26 AM CST for Orleans Parish, Plaquemines Parish, Saint Bernard Parish, Louisiana. It was in force for 64 min.

The area

The counties it named.

The facts

Issued: Mar 7, 1995, 11:26 AM CST (17:26 UTC)
Expired: Mar 7, 1995, 12:30 PM CST
In force: 64 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Orleans Parish, LA, Plaquemines Parish, LA, Saint Bernard Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.4 hours before the alert went out and 49 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: 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

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

000 
TTAA00 KNEW 071725 RRA
SVRNEW
LAC051-071-075-087-LAZ501-071830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1126 AM CST TUE MAR 7 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL 1230 PM CST
FOR RESIDENTS IN THE FOLLOWING PARISHES...
 
IN SOUTHEAST LOUISIANA
 
   ...JEFFERSON PARISH...ORLEANS PARISH...PLAQUEMINES PARISH
   ...ST.BERNARD PARISH
 
  AND FOR MARINE INTERESTS IN THE COASTAL WATERS FROM...
 
   ...LAKE PONCHARTRAIN  TO  LAKE BORGNE
 
AT 1125 AM CST DOPPLER WEATHER RADAR SHOWED A LINE OF NUMEROUS SEVERE
THUNDERSTORMS EXTENDING FROM MANDEVILLE SOUTHWEST TO HOUMA. THE
THUNDERSTORMS ARE MOVING NORTHEAST 30 MILES AN HOUR.
 
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.
 
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.

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, 9:12 AM CST, 2 hours 14 minutes before

STORM REPORT....CORRECTED ISSUE TIME.
NATIONAL WEATHER SERVICE BATON ROUGE LA
912 AM CST TUE MAR 7 1995

TIME/CST      PARISH/LOCATION   REPORT

320  AM   CONCORDIA     LA   SHERIFF REPORTED TREES/POWER LINES DOWN WITH
                             ROOF OFF TRAILER NEAR LA129 SOUTH MONTERAY.

321  AM   CONCORDIA     LA   SHERIFF REPORTED TREES DOWN NEAR STACY AT
                             318 AM CST HIGHWAY 184.

322  AM   CONCORDIA     LA   SHERIFF REPORTED POWER LINES DOWN NEAR
                             DEER PARK AT 318 AM CST.

820  AM   CATAHOULA     LA   SHERIFF REPORTED TORNADOS ON THE GROUND 10
                             WEST AND 10 SOUTH OF JONESVILLE.
853  AM   POINTE COUPEE     LA    SHERIFF REPORTED TRAILER HOME ROOF
                                  BLOWN OFF AT HWY 417 IN BATCHELOR.

900  AM   WEST BATON ROUGE  LA    DIME SIZED HAIL REPORTED AT IRWINVILLE
                                  BY SHERIFF.

Local storm report, Mar 7, 9:12 AM CST, 2 hours 14 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE BATON ROUGE LA
335 AM CST TUE MAR 7 1995

TIME/CST      PARISH/LOCATION   REPORT

320  AM   CONCORDIA     LA   SHERIFF REPORTED TREES/POWER LINES DOWN WITH
                             ROOF OFF TRAILER NEAR LA129 SOUTH MONTERAY.

321  AM   CONCORDIA     LA   SHERIFF REPORTED TREES DOWN NEAR STACY AT
                             318 AM CST HIGHWAY 184.

322  AM   CONCORDIA     LA   SHERIFF REPORTED POWER LINES DOWN NEAR
                             DEER PARK AT 318 AM CST.

820  AM   CATAHOULA     LA   SHERIFF REPORTED TORNADOS ON THE GROUND 10
                             WEST AND 10 SOUTH OF JONESVILLE.
853  AM   POINTE COUPEE     LA    SHERIFF RE6PORTED TRAILER HOME ROOF
                                  BLOWN OFF AT HWY 417 IN BATCHELOR.

900  AM   WEST BATON ROUGE  LA    DIME SIZED HAIL REPORTED AT IRWINVILLE
                                  BY SHERIFF.

Local storm report, Mar 7, 9:13 AM CST, 2 hours 13 minutes before

STORM REPORT....CORRECTED ISSUE TIME.
NATIONAL WEATHER SERVICE BATON ROUGE LA
912 AM CST TUE MAR 7 1995

TIME/CST      PARISH/LOCATION   REPORT

320  AM   CONCORDIA     LA   SHERIFF REPORTED TREES/POWER LINES DOWN WITH
                             ROOF OFF TRAILER NEAR LA129 SOUTH MONTERAY.

321  AM   CONCORDIA     LA   SHERIFF REPORTED TREES DOWN NEAR STACY AT
                             318 AM CST HIGHWAY 184.

322  AM   CONCORDIA     LA   SHERIFF REPORTED POWER LINES DOWN NEAR
                             DEER PARK AT 318 AM CST.

820  AM   CATAHOULA     LA   SHERIFF REPORTED TORNADOS ON THE GROUND 10
                             WEST AND 10 SOUTH OF JONESVILLE.
853  AM   POINT>E COUPEE     LA    SHERIFF REPORTED TRAILER HOME ROOF
                                  BLOWN OFF AT HWY 417 IN BATCHELOR.

900  AM   WEST BATON ROUGE  LA    DIME SIZED HAIL REPORTED AT IRWINVILLE
                                  BY SHERIFF.

Local storm report, Mar 7, 10:49 AM CST, 37 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, 36 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, 35 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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 6:16 PM CST	Severe Thunderstorm Warning	LIX	Washington	44 min
Mar 6, 6:35 PM CST	Severe Thunderstorm Warning	LIX	Saint Landry	55 min
Mar 7, 2:55 AM CST	Severe Thunderstorm Warning	LIX	Concordia	65 min
Mar 7, 7:29 AM CST	Severe Thunderstorm Warning	LIX	Avoyelles, Saint Landry	61 min
Mar 7, 7:29 AM CST	Severe Thunderstorm Warning	LIX	Catahoula	61 min
Mar 7, 8:25 AM CST	Tornado Warning	LIX	Catahoula	65 min
Mar 7, 8:29 AM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge	61 min
Mar 7, 8:29 AM CST	Severe Thunderstorm Warning	LIX	West Feliciana	61 min
Mar 7, 8:51 AM CST	Severe Thunderstorm Warning	LIX	East Feliciana	69 min
Mar 7, 9:14 AM CST	Severe Thunderstorm Warning	LIX	East Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana	61 min
Mar 7, 9:14 AM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, Iberville	61 min
Mar 7, 9:48 AM CST	Severe Thunderstorm Warning	LIX	Ascension, Livingston	57 min
Mar 7, 9:48 AM CST	Severe Thunderstorm Warning	LIX	Saint Helena	57 min
Mar 7, 10:18 AM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, Iberville, West Baton Rouge	57 min
Mar 7, 10:18 AM CST	Severe Thunderstorm Warning	LIX	Ascension, Livingston, Saint Helena	57 min
Mar 7, 10:23 AM CST	Severe Thunderstorm Warning	LIX	Tangipahoa	67 min
Mar 7, 10:24 AM CST	Tornado Warning	LIX	Ascension, Livingston	66 min
Mar 7, 10:24 AM CST	Tornado Warning	LIX	Iberville	66 min
Mar 7, 10:37 AM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	68 min
Mar 7, 10:47 AM CST	Severe Thunderstorm Warning	LIX	Assumption, Lafourche, Saint James, Saint John the Baptist	58 min
Mar 7, 10:47 AM CST	Severe Thunderstorm Warning	LIX	Saint Charles	58 min
Mar 7, 11:15 AM CST	Severe Thunderstorm Warning	LIX	Terrebonne	60 min
Mar 7, 11:25 AM CST	Severe Thunderstorm Warning	LIX	Ascension, Livingston	65 min
Mar 7, 11:25 AM CST	Severe Thunderstorm Warning	LIX	Iberville	65 min
Mar 7, 11:26 AM CST	Severe Thunderstorm Warning	LIX	Jefferson	64 min
Mar 7, 11:32 AM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	58 min
Mar 7, 11:42 AM CST	Severe Thunderstorm Warning	LIX	Lafourche, Saint Charles	63 min
Mar 7, 12:13 PM CST	Severe Thunderstorm Warning	LIX	Terrebonne	32 min
Mar 7, 12:27 PM CST	Severe Thunderstorm Warning	LIX	Plaquemines, Saint Bernard	63 min
Mar 7, 12:27 PM CST	Severe Thunderstorm Warning	LIX	Jefferson	63 min
Mar 7, 1:31 PM CST	Severe Thunderstorm Warning	LIX	Jefferson, Plaquemines	59 min
Mar 7, 3:25 PM CST	Severe Thunderstorm Warning	LIX	Plaquemines	65 min
Mar 7, 4:26 PM CST	Severe Thunderstorm Warning	LIX	Plaquemines	49 min
Mar 7, 5:12 PM CST	Severe Thunderstorm Warning	LIX	Plaquemines	63 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995 Every 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.