Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 101, NWS New Orleans, LA

March 14, 1995Saint Helena Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 14, 1995, 3:36 PM CST for Saint Helena Parish, Louisiana. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Mar 14, 1995, 3:36 PM CST (21:36 UTC)
Expired
Mar 14, 1995, 4:45 PM CST
In force
69 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Saint Helena Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.6 hours before the alert went out and 116 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 1995-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1995-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
825 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
172 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 
WUUS1 KBTR 142136 RRA
SVRBTR
LAC091-142245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BATON ROUGE LA
336 PM CST TUE MAR 14 1995
 
THE NATIONAL WEATHER SERVICE IN BATON ROUGE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN EAST CENTRAL LOUISIANA
 
   ...ST.HELENA PARISH
 
WEATHER SERVICE RADAR IN BATON ROUGE INDICATED A SEVERE THUNDERSTORM
MOVING ACROSS EAST FELICIANA...ST. HELENA PARISH LINE TOWARD
GREENSBURG...DARLINGTON...LIVERPOOL AND CHIBOLA. THIS THUNDERSTORM HAS A
HISTORY OF PRODUCING LARGE HAIL.
 
MOVEMENT IS NORTHEAST AT 20 MPH.
 
RESIDENTS IN THE PATHS OF THIS STORM SHOULD TAKE COVER AT THIS TIME.
 
 
 
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

Special weather statement, Mar 14, 1:29 PM CST, 2 hours 7 minutes before
LAZ024-026-029-033>037-046>050-142055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
130 PM CST TUE MAR 14 1995

...FLASH FLOOD WATCH IN EFFECT TODAY...
...FLOOD WARNING FOR THE AMITE RIVER AT DENHAM SPRINGS AND BAYOU MANCHAC
   FOR THE COMITE RIVER AT JOOR ROAD AND TICKFAW RIVER AT LIVERPOOL...

AT 125 PM CST RADAR SHOWED THUNDERSTORMS FORMING NEAR NEW IBERIA TO
MORGAN CITY NORTH THROUGH BRUSLY INTO MISSISSIPPI NEAR CENTERVILLE.
RAIN CONTINUED SOUTH OF TALLULAH TO BETWEEN SIMMESPORT AND LIBERTY
MISSISSIPPI TO MORGAN CITY.  THE THUNDERSTORMS WERE MOVING NORTH AT 10
MPH WITH THE LARGE RAIN AREA MOVING SLOWLY EAST.

PEOPLE ACROSS EAST CENTRAL LOUISIANA SHOULD REMAIN ALERTj TODAY FOR
FLOOD PRODUCING RAINFALL WITH SLOW MOVING THUNDERSTORMS EXPECTED TO
DEVELOPE THROUGHOUT THE DAY.  LISTEN TO NOAA WEATHER RADIO FOR LATEST
STATEMENTS OR WARNINGS.
Special weather statement, Mar 14, 1:30 PM CST, 2 hours 6 minutes before
LAZ024-026-029-033>037-046>050-142055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
130 PM CST TUE MAR 14 1995

...FLASH FLOOD WATCH IN EFFECT TODAY...
...FLOOD WARNING FOR THE AMITE RIVER AT DENHAM SPRINGS AND BAYOU MANCHAC
   FOR THE COMITE RIVER AT JOOR ROAD AND TICKFAW RIVER AT LIVERPOOL...

AT 125 PM CST RADAR SHOWED THUNDERSTORMS FORMING NEAR NEW IBERIA TO
MORGAN CITY NORTH THROUGH BRUSLY INTO MISSISSIPPI NEAR CENTERVILLE.
RAIN CONTINUED SOUTH OF TALLULAH TO BETWEEN SIMMESPORT AND LIBERTY
MISSISSIPPI TO MORGAN CITY.  THE THUNDERSTORMS WERE MOVING NORTH AT 10
MPH WITH THE LARGE RAIN AREA MOVING SLOWLY EAST.

PEOPLE ACROSS EAST CENTRAL LOUISIANA SHOULD REMAIN ALERT TODAY FOR
FLOOD PRODUCING RAINFALL WITH SLOW MOVING THUNDERSTORMS EXPECTED TO
DEVELOPE THROUGHOUT THE DAY.  LISTEN TO NOAA WEATHER RADIO FOR LATEST
STATEMENTS OR WARNINGS.
Special weather statement, Mar 14, 2:05 PM CST, 1 hour 31 minutes before
LAZ024-026-029-033>037-046>050-142055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
205 PM CST TUE MAR 14 1995

...FLASH FLOOD WATCH IN EFFECT TODAY...
...FLOOD WARNING FOR THE AMITE RIVER AT DENHAM SPRINGS AND BAYOU MANCHAC
   FOR THE COMITE RIVER AT JOOR ROAD AND TICKFAW RIVER AT LIVERPOOL...

AT 205 PM CST RADAR SHOWED RAPIDLY DEVELOPING STRONG THUNDERSTORMS JUST
SOUTHWEST OF BAYOU PIGEON IN SOUTHERN IBERVILLE PARISH.  THUNDERSTORMS
CONTINUE FORMING THROUGH BRUSLY TO ETHEL.  THE THUNDERSTORMS WERE MOVING
NORTH AT 15 MPH.

THESE THUNDERSTORMS MAY CAUSE STRONG WIND GUSTS...VERY HEAVY RAIN AND
STREET FLOODING...SOME HAIL POSSIBLE.  LISTEN TO NOAA WEATHER RADIO
FOR LATEST STATEMENTS OR WARNINGS.
Special weather statement, Mar 14, 2:08 PM CST, 1 hour 28 minutes before
LAZ024-026-029-033>037-046>050-142055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
205 PM CST TUE MAR 14 1995

...FLASH FLOOD WATCH IN EFFECT TODAY...
...FLOOD WARNING FOR THE AMITE RIVER AT DENHAM SPRINGS AND BAYOU MANCHAC
   FOR THE COMITE RIVER AT JOOR ROAD AND TICKFAW RIVER AT LIVERPOOL...

AT 205 PM CST RADAR SHOWED RAPIDLY DEVELOPING STRONG THUNDERSTORMS JUST
SOUTHWEST OF BAYOU PIGEON IN SOUTHERN IBERVILLE PARISH.  THUNDERSTORMS
CONTINUE FORMING THROUGH BRUSLY TO ETHEL.  THE THUNDERSTORMS WERE MOVING
NORTH AT 15 MPH.

THESE THUNDERSTORMS MAY CAUSE STRONG WIND GUSTS...VERY HEAVY RAIN AND
STREET FLOODING...SOME HAIL POSSIBLE.  LISTEN TO NOAA WEATHER RADIO
FOR LATEST STATEMENTS OR WARNINGS.
Special weather statement, Mar 14, 2:55 PM CST, 41 minutes before
LAZ034>037-046>050-142305-

BATON ROUGE METROPOLITAN AREA FORECAST...UPDATE
NATIONAL WEATHER SERVICE BATON ROUGE LA
255 PM CST TUE MAR 14 1995

...FLASH FLOOD WATCH IS IN EFFECT FOR THIS AFTERNOON...
...FLOOD WARNING FOR THE AMITE RIVER AT DENHAM SPRINGS AND BAYOU MANCHAC
   FOR THE COMITE RIVER AT JOOR ROAD AND THE TICKFAW RIVER AT LIVERPOOL...
...SEVERE THUNDERSTORM WATCH UNTIL 9 PM CST FOR ALL EAST CENTRAL
LOUISIANA EXCEPT ASCENSION...LIVINGSTON AND ST HELENA PARISHES...

.THIS AFTERNOON...A 90 PERCENT CHANCE OF RAIN AND THUNDERSTORMS...SOME
POSSIBLY SEVERE WITH HEAVY RAINFALL.  HIGH 60 TO 65.  WIND SOUTHEAST 15
MPH.
.TONIGHT...A 70 PERCENT CHANCE OF THUNDERSTORMS...SOME POSSIBLY SEVERE WITH
HEAVY RAINFALL.  LOW IN THE UPPER 50S.  WIND EAST 10 TO 15 MPH.
.WEDNESDAY...A 70 PERCENT CHANCE OF SHOWERS.  HIGH IN THE UPPER 60S.
EAST WIND 10 TO 15 MPH.
Special weather statement, Mar 14, 2:59 PM CST, 37 minutes before
LAZ034>037-046>050-142305-

BATON ROUGE METROPOLITAN AREA FORECAST...UPDATE
NATIONAL WEATHER SERVICE BATON ROUGE LA
255 PM CST TUE MAR 14 1995

...FLASH FLOOD WATCH IS IN EFFECT FOR THIS AFTERNOON...
...FLOOD WARNING FOR THE AMITE RIVER AT DENHAM SPRINGS AND BAYOU MANCHAC
   FOR THE COMITE RIVER AT JOOR ROAD AND THE TICKFAW RIVER AT LIVERPOOL...
...SEVERE THUNDERSTORM WATCH UNTIL 9 PM CST FOR ALL EAST CENTRAL
LOUISIANA EXCEPT ASCENSION...LIVINGSTON AND ST HELENA PARISHES...

.THIS AFTERNOON...A 90 PERCENT CHANCE OF RAIN AND THUNDERSTORMS...SOME
POSSIBLY SEVERE WITH HEAVY RAINFALL.  HIGH 60 TO 65.  WIND SOUTHEAST 15
MPH.
.TONIGHT...A 70 PERCENT CHANCE OF THUNDERSTORMS...SOME POSSIBLY SEVERE WITH
HEAVY RAINFALL.  LOW IN THE UPPER 50S.  WIND EAST 10 TO 15 MPH.
.WEDNESDAY...A 70 PERCENT CHANCE OF SHOWERS.  HIGH IN THE UPPER 60S.
EAST WIND 10 TO 15 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 10:33 PM CSTFlash Flood WarningLIXAvoyelles, Pointe Coupee, Saint Landry3 hr
Mar 14, 2:44 PM CSTSevere Thunderstorm WarningLIXEast Feliciana61 min
Mar 14, 3:01 PM CSTSevere Thunderstorm WarningLIXAssumption44 min
Mar 14, 3:19 PM CSTSevere Thunderstorm WarningLIXAscension, East Baton Rouge, Iberville56 min
Mar 14, 3:44 PM CSTSevere Thunderstorm WarningLIXLafourche, Saint James61 min
Mar 14, 4:43 PM CSTSevere Thunderstorm WarningLIXLafourche, Saint James62 min
Mar 14, 4:48 PM CSTSevere Thunderstorm WarningLIXTangipahoa57 min
Mar 14, 5:41 PM CSTSevere Thunderstorm WarningLIXSaint Helena64 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.