Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 178, NWS New Orleans, LA

April 23, 19954 parishes in Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 23, 1995, 5:55 AM CDT for 4 parishes in Louisiana. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Apr 23, 1995, 5:55 AM CDT (10:55 UTC)
Expired
Apr 23, 1995, 7:00 AM CDT
In force
65 min
Issued by
NWS New Orleans, LA
Area
Whole counties

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 10.9 hours before the alert went out and 55 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 00:00Z on 1995-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 648 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 00:00Z on 1995-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
648 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.5

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

Special weather statement, Apr 23, 1:24 AM CDT, 4 hours 31 minutes before
LAZ029-033-230800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
125 AM CDT SUN APR 23 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 AM CDT THIS MORNING
...FLASH FLOOD WATCH IN EFFECT THIS MORNING AND TODAY...

AT 120 AM CDT RADAR SHOWED STRONG THUNDERSTORMS FROM GRAND CHENIER
EXTENDING NORTHEAST ACROSS SUNSET AND LAFAYETTE...NEW ROADS AND CLINTON
TO MCCOMB MISSISSIPPI.  MOVEMENT WAS EAST AT 25 MPH.

THESE THUNDERSTORMS WILL HAVE STRONG AND GUSTY WIND...HEAVY RAIN WITH
FLOODING OF STREETS AND OTHER LOW LYING AREAS...DANGEROUS LIGHTNING
AND POSSIBLY SOME HAIL AS THEY CROSS EAST CENTRAL LOUISIANA THIS
MORNING.

PEOPLE IN AVOYELLES AND ST LANDRY PARISHES SHOULD RE4MAIN ALERT AND
LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Local storm report, Apr 23, 4:23 AM CDT, 1 hour 32 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE BATON ROUGE LA
425 AM CDT SUN APR 23 1995

TIME/CDT  PARISH/LOCATION        ...REPORTS FOR APRIL 23...

1220AM    AVOYELLES          SHERIFF REPORTED TREES DOWN HIGHWAY 1 NEAR
                             ZION ROAD IN COTTONPORT.

303 AM    ST LANDRY          SHERIFF REPORTED SOME TREES DOWN AND STREET
                             FLOODING NEAR WHITEVILLE IN NORTHERN ST
                             LANDRY.

323 AM    AVOYELLES          DELAYED REPORT OF MARBLE SIZE HAIL NEAR
                             BUNKIE BETWEEN 11 PM AND MIDNIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 11:57 PM CDTSevere Thunderstorm WarningLIXAvoyelles63 min
Apr 23, 12:29 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana61 min
Apr 23, 3:03 AM CDTFlash Flood WarningLIXSaint Landry117 min
Apr 23, 3:12 AM CDTFlash Flood WarningLIXAvoyelles2 hr
Apr 23, 4:32 AM CDTSevere Thunderstorm WarningLIXAscension, Saint James, Saint John the Baptist58 min
Apr 23, 4:47 AM CDTSevere Thunderstorm WarningLIXAssumption, Lafourche, St. Mary, Terrebonne58 min
Apr 23, 4:47 AM CDTSevere Thunderstorm WarningLIXSaint Martin58 min
Apr 23, 5:03 AM CDTTornado WarningLIXAssumption, Saint Martin, St. Mary57 min
Apr 23, 5:03 AM CDTTornado WarningLIXLafourche, Terrebonne57 min
Apr 23, 5:27 AM CDTTornado WarningLIXAscension, Livingston, Saint James, Saint John the Baptist63 min
Apr 23, 5:27 AM CDTTornado WarningLIXTangipahoa63 min
Apr 23, 5:55 AM CDTSevere Thunderstorm WarningLIXSaint Tammany65 min
Apr 22, 7:11 PM CDTTornado WarningLIXPike, Walthall44 min
Apr 22, 7:23 PM CDTFlash Flood WarningLIXHarrison3 hr
Apr 22, 11:33 PM CDTSevere Thunderstorm WarningLIXWilkinson57 min
Apr 23, 12:29 AM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson51 min
Apr 23, 6:27 AM CDTSevere Thunderstorm WarningLIXHancock, Harrison, Jackson2 hr
Apr 23, 12:49 PM CDTTornado WarningLIXHarrison26 min
Apr 23, 1:23 PM CDTTornado WarningLIXHarrison67 min
Apr 23, 1:32 PM CDTTornado WarningLIXHarrison94 min
Apr 23, 1:32 PM CDTTornado WarningLIXJackson118 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.