Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 166, NWS New Orleans, LA

April 22, 1995Washington Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 22, 1995, 5:01 PM CDT for Washington Parish, Louisiana. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Apr 22, 1995, 5:01 PM CDT (22:01 UTC)
Expired
Apr 22, 1995, 6:00 PM CDT
In force
59 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Washington Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.0 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 1995-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1300 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 1995-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1300 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 222201
SVRNEW
LAC117-222300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
501 PM CDT SAT APR 22 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST LOUISIANA
 
   ...NORTHERN WASHINGTON PARISH
 
AT 500 PM CDT THE NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM WAS LOCATED FROM NEAR MT HERMON NORTHWARD INTO WALTHALL
COUNTY MISSISSIPPI. THIS STORM WAS MOVING EAST AT 25 MPH. DAMAGING WINDS
AND DIME SIZE HAIL HAS BEEN REPORTED FROM THE THUNDERSTORM OVER SOUTH
PIKE COUNTY.
 
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

Special weather statement, Apr 22, 11:14 AM CDT, 5 hours 47 minutes before
LAZ009-097-221800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
1115 AM CDT SAT APR 22 1995

...TORNADO WATCH IN EFFECT UNTIL 1 PM CDT FOR AVOYELLES AND ST LANDRY
PARISHES OF EAST CENTRAL LOUISIANA...

AT 1115 AM CDT RADAR SHOWED SHOWERS AND STRONG THUNDERSTORMS CONTINUED
NORTH OF ALEXANDRIA THROUGH MONROE INTO MISSISSIPPI NEAR LAUREL.
THIS AREA WAS SLOWLY SOUTH WITH THE STRONG THUNDERSTORMS MOVING EAST
AT 20 MPH.

PEOPLE IN THE MENTIONED PARISHES SHOULD REMAIN ALERT AND LISTEN TO
NOAA WEATHER RADIO FOR LATEST STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 22, 1:04 PM CDT, 3 hours 57 minutes before
LAZ009-097-221900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
100 PM CDT SAT APR 22 1995

...TORNADO WATCH IS NO LONGER IN EFFECT...

AT 100 PM CDT RADAR SHOWED SHOWERS AND A FEW THUNDERSTORMS FROM MONROE
TO JACKSON MISSISSIPPI SOUTH THROUGH ALEXANDRIA AND MC COMB TO BATON
ROUGE.  THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH.

SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS EAST CENTRAL LOUISIANA
THIS AFTERNOON.
Special weather statement, Apr 22, 4:13 PM CDT, 48 minutes before
LAZ029-033-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
415 PM CDT SAT APR 22 1995

...TORNADO WATCH IN EFFECT UNTIL 9 PM CDT FOR AVOYELLES AND ST LANDRY
PARISHES OF EAST CENTRAL LOUISIANA...

AT 410 PM CDT RADAR SHOWED SHOWERS AND STRONG THUNDERSTORMS FROM LEBEAU
AND MELVILLE EXTENDING NORTH ACROSS BUNKIE AND SIMMESPORT TO ALEXANDRIA
AND NATCHEZ MISSISSIPPI.  MOVEMENT WAS EAST AT 20 MPH.

ELSEWHERE STRONG THUNDERSTORMS WERE SHOWN FROM ANGOLA AND LIVONIA EAST
ACROSS CLINTON AND BATON ROUGE TO BOGALUSA AND COVINGTON AND FROM
WOODVILLE TO MCCOMB MISSISSIPPI.

PEOPLE IN THE MENTIONED PARISHES SHOULD REMAIN ALERT AND LISTEN TO
NOAA WEATHER RADIO FOR LATEST STATEM0ENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 3:31 PM CDTSevere Thunderstorm WarningLIXSaint Tammany59 min
Apr 22, 4:27 PM CDTSevere Thunderstorm WarningLIXSaint Tammany63 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.