Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 101, NWS Lake Charles, LA

August 9, 1992Vernon Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 9, 1992, 6:14 PM CDT for Vernon Parish, Louisiana. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Aug 9, 1992, 6:14 PM CDT (23:14 UTC)
Expired
Aug 9, 1992, 7:15 PM CDT
In force
61 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Vernon Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.2 hours before the alert went out and 110 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 12:00Z on 1992-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1992-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 square meters per square second.1939Sfc1 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
NaN m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
-28 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 
TTAA00 KLCH 092318
SVRLCH
LAC115-100015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
614 PM CDT SUN AUG 9 1992
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS
 
IN SOUTHWEST LOUISIANA
 
   ...VERNON PARISH
 
AT 615 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM AT PITKIN IN
SOUTHEAST VERNON PARISH. STRONG GUSTYWINDS DANGEROUS LIGHTNING AND
POSSIBLY SMALL HAIL ARE EXPECTED WITH THIS STORM. THIS THUNDERSTORM
WAS MOVING TO THE WEST AT 5 MILES AN HOUR. DUE TO THE SLOW MOVEMENT
AND INTENSITY OF THIS STORM POSSIBLE FLOODING OF STREETS AND OTHER LOW
PLACES CAN BE EXPECTED.
 
 
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, Aug 9, 2:47 PM CDT, 3 hours 27 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-092045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
245 PM CDT SUN AUG 9 1992

AT 225 PM...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE SHOWN JUST
NORTHEAST OF CROWLEY...10 MILES NORTH OF LAKE CHARLES AND 10 MILES WEST
OF SULPHUR.

THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING
...FLOODING OF STREETS AND POSSIBLY SOME SMALL ACROSS CALCASIEU AND ACADIA
PARISHES DURING THE NEXT HOUR.  THE THUNDERSTORMS SHOWED LITTLE MOVEMENT.

ELSEWHERE...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE OCCURING FROM 15 MILES NORTH OF ALEXANDRIA TO AROUND
LUFKIN TEXAS TO BETWEEN CONROE TEXAS AND BATON ROUGE TO ALONG THE COAST
FROM ATCHAFALAYA BAY TO FREEPORT TEXAS.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH VERY HEAVY RAIN...
WERE LOCATED OVER THE GULF 15 TO 90 MILES SOUTH OF SABINE PASS TO 50 MILES
SOUTH OF ATCHAFALAYA BAY.

AN ISOLATED SHOWER WAS SHOWN 15 MILES SOUTH OF NATCHEZ MISSISSIPPI.

LITTLE MOVEMENT WAS SHOWN.
Special weather statement, Aug 9, 2:51 PM CDT, 3 hours 23 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-092045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
245 PM CDT SUN AUG 9 1992

AT 225 PM...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE SHOWN JUST
NORTHEAST OF CROWLEY...10 MILES NORTH OF LAKE CHARLES AND 10 MILES WEST
OF SULPHUR.

THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING
...FLOODING OF STREETS AND POSSIBLY SOME SMALL HAIL ACROSS CALCASIEU AND
ACADIA PARISHES DURING THE NEXT HOUR.  THE THUNDERSTORMS SHOWED LITTLE MOVEMENT.ELSEWHERE...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE OCCURING FROM 15 MILES NORTH OF ALEXANDRIA TO AROUND
LUFKIN TEXAS TO BETWEEN CONROE TEXAS AND BATON ROUGE TO ALONG THE COAST
FROM ATCHAFALAYA BAY TO FREEPORT TEXAS.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH VERY HEAVY RAIN...
WERE LOCATED OVER THE GULF 15 TO 90 MILES SOUTH OF SABINE PASS TO 50 MILES
SOUTH OF ATCHAFALAYA BAY.

AN ISOLATED SHOWER WAS SHOWN 15 MILES SOUTH OF NATCHEZ MISSISSIPPI.

LITTLE MOVEMENT WAS SHOWN.
Special weather statement, Aug 9, 5:08 PM CDT, 1 hour 6 minutes before
LAZ008-092240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
508 PM CDT SUN AUG 9 1992

AT 505 PM...RADAR INDICATED A STRONG THUNDERSTORM WITH VERY HEAVY RAIN
IN THE LAFAYETTE AREA.  THE THUNDERSTORM WAS DRIFTING WEST.

PERSONS IN LAFAYETTE PARISH SHOULD BE ALERT FOR POSSIBLE FLOODING OF
STREETS...HIGHWAYS...AND LOW LYING AREAS...FREQUENT DEADLY LIGHTNING
...STRONG WIND GUSTS...AND POSSIBLY SMALL HAIL DURING THE NEXT HOUR
AS $THIS THUNDERSTORM MOVES THROUGH.
Special weather statement, Aug 9, 5:45 PM CDT, 29 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-092345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
545 PM CDT SUN AUG 9 1992

AT 527 PM...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING
IN THE LAFAYETTE AREA.  THE THUNDERSTORMS WERE DRIFTING WEST.

PERSONS IN LAFAYETTE...ACADIA...AND EXTREME NORTHERN VERMILION PARISHES
IN SOUTHWEST LOUISIANA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS.  POSSIBLE FLOODING OF STREETS...HIGHWAYS...AND LOW LYING
PLACES...STRONG WINDS GUSTS...AND DANGEROUS CLOUD TO GROUND LIGHTNING
WILL ACCOMPANY THESE STORMS BETWEEN THE PRESENT TIME AND 700 PM.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN
...WERE SHOWN GENERALLY NORTH OF AN ATCHAFALAYA BAY...WHITE LAKE...
DE QUINCY LINE.  THE PRECIPITATION EXTENDED TO NEAR MANY...WINNFIELD...
AND THE AREA BETWEEN JENA AND MONROE.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH VERY HEAVY RAIN...
WERE LOCATED OVER SOUTHEAST TEXAS IN THE LAKE LIVINGSTON...LUFKIN...
AND JASPER AREAS.

ISOLATED SHOWERS AND A FEW THUNDERSTORMS WERE DETECTED NEAR SULPHUR...
JUST SOUTH OF ORANGE TEXAS...AND OVER THE GULF 70 MILES OFFSHORE
BETWEEN SABINE PASS AND WHITE LAKE.

MOVEMENT WAS WEST AT 5 MILES AN HOUR.

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992Every severe thunderstorm warning in 1992

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.