Alert archive / Louisiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 2, NWS Lake Charles, LA

February 15, 1993Allen Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 15, 1993, 9:54 PM CST for Allen Parish, Louisiana. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Feb 15, 1993, 9:54 PM CST (03:54 UTC)
Expired
Feb 15, 1993, 11:00 PM CST
In force
66 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Allen Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.9 hours before the alert went out and 69 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, Lake Charles Mun, LA at 00:00Z on 1993-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 844 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, Lake Charles Mun, LA at 00:00Z on 1993-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 381 square meters per square second.1939587897117Sfc1 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
844 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
381 m²/s²
0-3 km storm-relative helicity
389 m²/s²
Significant tornado parameter
2.0
Supercell composite
6.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLCH 160358
SVRLCH
LAC003-160500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
954 PM CST MON FEB 15 1993
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST LOUISIANA
 
   ...ALLEN PARISH
 
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR JUST WEST OF OAKDALE
MOVING SOUTHEAST AT 25 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, Feb 15, 6:36 PM CST, 3 hours 18 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-160135-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
630 PM CST MON FEB 15 1993

...A TORNADO WATCH IS IN EFFECT FOR GRANT..LASALLE..RAPIDES PARISHES IN
CENTRAL LOUISIANA AND ALLEN..BEAUREGARD..VERNON AND EVANGELINE PARISHES
IN SOUTHWEST LOUISIANA UNTIL 11 PM CST THIS EVENING...

AT 6.25 PM CST...THE LEADING EDGE OF A LINE WITH STRONG THUNDERSTORMS AND
VERY HEAVY RAINFALL WAS SHOWN FROM JUST WEST OF MONROE SOUTHWEST ACROSS
THE NORTHERN PORTIONS OF TOLEDO BEND RESERVOIR AND TO JUST NORTHEAST OF
COLLEGE STATION.

A SECOND LINE OF THUNDERSTORMS WITH HEAVY RAINFALL WAS SHOWN FROM EAST OF
MONROE ALMOST SOUTHWARD TO JUST WEST OF ALEXANDRIA AND TO NEAR DEQUINCY.

THE LINES WERE MOVING SOUTHEAST AT 20 MPH.
Special weather statement, Feb 15, 7:30 PM CST, 2 hours 24 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-160235-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
730 PM CST MON FEB 15 1993

...A TORNADO WATCH IS IN EFFECT FOR GRANT..LASALLE..RAPIDES PARISHES IN
CENTRAL LOUISIANA AND ALLEN..BEAUREGARD..VERNON AND EVANGELINE PARISHES
IN SOUTHWEST LOUISIANA UNTIL 11 PM CST THIS EVENING...

AT 7.25 PM CST...THE LEADING EDGE OF A LINE WITH STRONG THUNDERSTORMS AND
VERY HEAVY RAINFALL WAS SHOWN FROM JUST EAST OF MONROE SOUTHWEST ACROSS
THE SOUTHERN PORTIONS OF TOLEDO BEND RESERVOIR AND TO JUST EAST OF
COLLEGE STATION. THIS LINE IS 25 MILES WIDE.

PERIODS  OF VERY HEAVY RAINFALL AND STRONG GUSTY WINDS CAN BE EXPECTED AS
THE LINE CONTINUES TO MOVE SOUTHEAST INTO THE SOUTHERN PORTION OF LOUISIANA.

THE LINE IS MOVING SOUTHEAST AT 25 MPH.
Special weather statement, Feb 15, 7:32 PM CST, 2 hours 22 minutes before
TXZ033-046-160330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
732 PM CST MON FEB 15 1993

...A TONADO WATCH REMAINS IN EFFECT UNTIL 11 PM CST...

TORNADO WATCH #24 REMAINS IN EFFECT FOR PORTIONS OF SOUTHEAST AND EAST
TEXAS UNTIL 11 PM CST. COUNTIES INCLUDED IN THE WATCH ARE NACOGDOCHES...
ANGELINA...SAN AUGUSTINE AND SABINE IN EAST TEXAS AND TYLER...JASPER...
NEWTON AND HARDIN IN SOUTHEAST TEXAS.

AT 730 PM CST...WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS AND
THUNDERSTORMS ACROSS CENTRAL AND EASTERN TEXAS EXTENDING FROM AUSTIN TO
COLLEGE STATION TO THE SAM RAYBURN RESERVOIR TO HEMPHILL IN SABINE
COUNTY AND EXTENDING INTO LOUISIANA NEAR MANY.

THE INDIVIDUAL STORMS WERE MOVING EAST NEAR 45 MPH WHILE THE LINE WAS
SOUTHEAST NEAR 20 MPH.

THESE THUNDERSTORMS WERE PRODUCING STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HEAVY RAINFALL AND POSSIBLE HAIL. LOCALIZED STREET FLOODING
MAY ALSO OCCUR WITH THESE STORMS.

PERSONS IN EAST AND SOUTHEAST TEXAS SHOULD STAY INFORMED OF THE LATEST
WEATHER AND BE PREPARED TO TAKE QUICK ACTION IF A WARNING IS ISSUED.

STAY TUNED TO NWS RADIO OR LOCAL MEDIA FOR LATER STATEMENTS.

NNNN
Special weather statement, Feb 15, 8:30 PM CST, 1 hour 24 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-160335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
830 PM CST MON FEB 15 1993

...A TORNADO WATCH IS IN EFFECT FOR GRANT..LASALLE..RAPIDES PARISHES IN
CENTRAL LOUISIANA AND ALLEN..BEAUREGARD..VERNON AND EVANGELINE PARISHES
IN SOUTHWEST LOUISIANA UNTIL 11 PM CST THIS EVENING...

AT 8.25 PM CST...THE LEADING EDGE OF A LINE WITH STRONG THUNDERSTORMS AND
VERY HEAVY RAINFALL WAS SHOWN FROM 25 MILES EAST OF MONROE SOUTHWEST TO
JUST NORTH OF FT. POLK AND TO 25 MILES SOUTH OF COLLEGE STATION TEXAS.
THE LINE IS 25 MILES WIDE.

PERIODS  OF VERY HEAVY RAINFALL AND STRONG GUSTY WINDS CAN BE EXPECTED AS
THE LINE CONTINUES TO MOVE SOUTHEAST INTO THE SOUTHERN PORTION OF LOUISIANA.

THE LINE IS MOVING SOUTHEAST AT 25 MPH.
Special weather statement, Feb 15, 9:34 PM CST, 20 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-160435-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
930 PM CST MON FEB 15 1993

...A TORNADO WATCH IS IN EFFECT FOR GRANT..LASALLE..RAPIDES PARISHES IN
CENTRAL LOUISIANA AND ALLEN..BEAUREGARD..VERNON AND EVANGELINE PARISHES
IN SOUTHWEST LOUISIANA UNTIL 11 PM CST THIS EVENING...

AT 9.25 PM CST...THE LEADING EDGE OF A LINE WITH STRONG THUNDERSTORMS AND
VERY HEAVY RAINFALL WAS SHOWN ALEXANDRIA..DERIDDER...AND NORTHWEST OF
HOUSTON TEXAS. THIS LINE WAS 25 MILES.

PERIODS  OF VERY HEAVY RAINFALL AND STRONG GUSTY WINDS CAN BE EXPECTED
WITH THIS LINE AS IS MOVE SOUTHEAST AT 25 MPH.

THE LEADING EDGE OF THE nLINE WILL BE MOVING INTO CALCASIEU PARISH
DURING THE NEXT HOUR.
Special weather statement, Feb 15, 9:37 PM CST, 17 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-160435-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
930 PM CST MON FEB 15 1993

...A TORNADO WATCH IS IN EFFECT FOR GRANT..LASALLE..RAPIDES PARISHES IN
CENTRAL LOUISIANA AND ALLEN..BEAUREGARD..VERNON AND EVANGELINE PARISHES
IN SOUTHWEST LOUISIANA UNTIL 11 PM CST THIS EVENING...

AT 9.25 PM CST...THE LEADING EDGE OF A LINE WITH STRONG THUNDERSTORMS AND
VERY HEAVY RAINFALL WAS SHOWN FROM ALEXANDRIA..DERIDDER...AND NORTHWEST OF
HOUSTON TEXAS. THIS LINE WAS 25 MILES WIDE.

PERIODS  OF VERY HEAVY RAINFALL AND STRONG GUSTY WINDS CAN BE EXPECTED
WITH THIS LINE AS IS MOVE SOUTHEAST AT 25 MPH.

THE LEADINzG EDGE OF THE LINE WILL BE MOVING INTO CALCASIEU PARISH
DURING THE NEXT HOUR.

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 10:10 PM CSTSevere Thunderstorm WarningLCHEvangeline, Rapides65 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1993Every severe thunderstorm warning in 1993

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.