Alert archive / Louisiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 25, NWS Lake Charles, LA

March 30, 1993Grant Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 30, 1993, 8:42 PM CST for Grant Parish, Louisiana. It was in force for 63 min.

The area

The counties it named.

The facts

Issued: Mar 30, 1993, 8:42 PM CST (02:42 UTC)
Expired: Mar 30, 1993, 9:45 PM CST
In force: 63 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Grant Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.7 hours before the alert went out and 176 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: 1564 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 559 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: -15 m²/s²
Significant tornado parameter: -0.2
Supercell composite: -1.4

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, Mar 30, 4:35 PM CST, 4 hours 7 minutes before

TXZ-048-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
435 PM CST TUE MAR 30 1993

...THE TORNADO WATCH FOR JEFFERSON AND ORANGE COUNTIES HAS BEEN
CANCELLED...

AT 430 PM...WEATHER SERVICE RADAR SHOWED THE SHOWERS AND THUNDERSTORMS
THAT PROMPTED THE TORNADO WATCH WERE ALL WELL NORTH OF THE GOLDEN
TRIANGLE.  ONE LINE WAS NOTED FROM NEWTON TO THE TOLEDO BEND RESERVOIR
AND INTO LOUISIANA.  MOVEMENT WAS EAST-NORTHEAST AT 35 MILES AN HOUR.

PEA-SIZE HAIL WAS REPORTED IN JASPER AT 345 PM...OTHERWISE NO REPORTS OF
SEVERE WEATHER WERE RECEIVED FROM THE EAST TEXAS LAKES AREA OR SOUTHEAST
TEXAS.

A FEW ISOLATED SHOWERS ARE POSSIBLE BEFORE SUNSET IN THE GOLDEN
TRIAN6GLE...THEN SKIES WILL BEGIN TO CLEAR AS A PACIFIC COLD FRONT MOVES
THROUGH SOUTHEAST TEXAS.

&
NNNN

Special weather statement, Mar 30, 5:03 PM CST, 3 hours 39 minutes before

TXZ046-048-310000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
503 PM CST TUE MAR 30 1993

...A TORNADO WATCH IS IN EFFECT UNTIL 700 PM FOR THE COUNTIES OF
NACOGDOCHES...ANGELINA...SAN AUGUSTINE...SABINE...NEWTON...JASPER...
TYLER...AND HARDIN...

AT 500 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A COUPLE OF LINES OF
SCATTERED SHOWERS AND THUNDERSTORMS ACROSS EAST TEXAS.  ONE LINE
EXTENDED FROM LEESVILLE LOUISIANA TO NEWTON...WARREN...AND LIBERTY.
A SECOND LINE EXTENDED FROM SHREVEPORT TO CENTER...EAST OF
NACOGDOCHES...TO NORTHEAST OF LUFKIN.   MOVEMENT WAS EAST-NORTHEAST AT
35 MILES AN HOUR.

THE STRONGEST THUNDERSTORMS WERE NOTED JUST SOUTHEAST OF NACOGDOCHES AND
EAST OF BURKEVILLE.

SOME OF THE STORMS COULD PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING...
LARGE HAIL...AND POSSIBLY TORNADOES.  RESIDENTS OF THE EAST TEXAS LAKES
AREA AND PORTIONS OF SOUTHEAST TEXAS SHOULD BE READY TO MOVE QUICKLY TO
SHELTER IF SEVERE WEATHER THREATENS.

NNNN

Local storm report, Mar 30, 6:31 PM CST, 2 hours 11 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
630 PM CST TUE MAR 30 1993

TIME                     LOCATION                   REPORT

600 PM                  VERNON PARISH              NICKEL SIZE HAIL
                                                   REPORTED BY STATE
                                                   POLICE 3 S OF
                                                   LEESVILLE.

Special weather statement, Mar 30, 7:12 PM CST, 1 hour 30 minutes before

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Special weather statement, Mar 30, 7:41 PM CST, 1 hour 1 minute before

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Special weather statement, Mar 30, 8:40 PM CST, 2 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 6:14 PM CST	Severe Thunderstorm Warning	LCH	Vernon	31 min
Mar 30, 6:17 PM CST	Severe Thunderstorm Warning	LCH	Rapides	58 min
Mar 30, 6:50 PM CST	Tornado Warning	LCH	Rapides, Vernon	40 min
Mar 30, 9:41 PM CST	Severe Thunderstorm Warning	LCH	LaSalle	64 min
Mar 30, 10:04 PM CST	Severe Thunderstorm Warning	LCH	Rapides	56 min
Mar 30, 6:58 PM CST	Severe Thunderstorm Warning	LCH	San Augustine	62 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1993 Every 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.