Alert archive / Louisiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 101, NWS Lake Charles, LA

July 23, 1994Cameron Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 23, 1994, 5:51 PM CDT for Cameron Parish, Louisiana. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jul 23, 1994, 5:51 PM CDT (22:51 UTC)
Expired
Jul 23, 1994, 7:00 PM CDT
In force
69 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Cameron Parish, LA

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 10.9 hours before the alert went out and 309 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, Longview/Gregg, TX at 12:00Z on 1994-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 465 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, Longview/Gregg, TX at 12:00Z on 1994-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
465 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1499 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
45 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 232252 RRA
SVRLCH
LAC023-240000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
551 PM CDT SAT JUL 23 1994
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST LOUISIANA
 
   ...CAMERON PARISH
 
AT 548 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
IN NORTHWEST CAMERON PARISH..25 MILES NORTHWEST OF THE CITY OF CAMERON.
 
MOVEMENT WAS TO THE SOUTH AT 15 MILES AN HOUR.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR nPROTECTION 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, Jul 23, 4:48 PM CDT, 1 hour 3 minutes before
LAZ020>022-027-028-030>032-041>044-051-052-503-232245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
448 PM CDT SAT JUL 23 1994

...A SPECIAL MARINE IS IN EFFECT UNTIL 640 PM CDT FOR THE COASTAL
   WATERS FROM WHITE LAKE TO VERMILION BAY...
AT 430 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE SHOWN OVER
NORTHWEST VERMILION BAY...JUST WEST AND SOUTH OF WHITE LAKE...OVER
CAMERON...AND BETWEEN KINDER AND CROWLEY.

THESE THUNDERSTORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...AND POSSIBLY SOME SMALL HAIL AS THEY MOVE SOUTH AT 15 MILES
AN HOUR. MARINERS FROM THE COAST SOUTH OF WHITE LAKE TO VERMILION BAY
SHOULD MONITOR THE WEATHER CLOSELY AND BE PREPARED TO TAKE ACTION IF
THREATENING WEATHER APPROACHES.

OTHERWISE...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY
RAIN...WERE SHOWN SOUTH OF A LINE FROM LAKE LIVINGSTON TEXAS...TO
KIRBYVILLE...THROUGH EUNICE AND LAFAYETTE...TO MORGAN CITY. THE AREA
EXTENDED SOUTH TO BEAUMONT...AND TO THE COAST BETWEEN SABINE PASS
AND ATCHAFALAUYA BAY.

SCATTERED SHOWERS AND THUNDERSTORM WERE SHOWN 40 TO 100 MILES OFFSHORE
BETWEEN CAMERON AND ATCHAFALAYA BAY.

MOVEMENT WAS SOUTH AT 15 MILES AN HOUR.
Special weather statement, Jul 23, 4:50 PM CDT, 1 hour 1 minute before
LAZ020>022-027-028-030>032-041>044-051-052-503-232245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
448 PM CDT SAT JUL 23 1994

...A SPECIAL MARINE IS IN EFFECT UNTIL 640 PM CDT FOR THE COASTAL
   WATERS FROM WHITE LAKE TO VERMILION BAY...
AT 430 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE SHOWN OVER
NORTHWEST VERMILION BAY...JUST WEST AND SOUTH OF WHITE LAKE...OVER
CAMERON...AND BETWEEN KINDER AND CROWLEY.

THESE THUNDERSTORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...AND POSSIBLY SOME SMALL HAIL AS THEY MOVE SOUTH AT 15 MILES
AN HOUR. MARINERS FROM THE COAST SOUTH OF WHITE LAKE TO VERMILION BAY
SHOULD MONITOR THE WEATHER CLOSELY AND BE PREPARED TO TAKE ACTION IF
THREATENING WEATHER APPROACHES.

OTHERWISE...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY
RAIN...WERE SHOWN SOUTH OF A LINE FROM LAKE LIVINGSTON TEXAS...TO
KIRBYVILLE...THROUGH EUNICE AND LAFAYETTE...TO MORGAN CITY. THE AREA
EXTENDED SOUTH TO BEAUMONT...AND TO THE COAST BETWEEN SABINE PASS
AND ATCHAFALAUYA BAY.

SCATTERED SHOWERS AND THUNDERSTORM WERE SHOWN 40 TO 100 MILES OFFSHORE
BETWEEN CAMERON AND ATCHAFALAYA BAY.

MOVEMENT WAS SOUTH AT 15 MILES AN HOUR.
Special weather statement, Jul 23, 5:21 PM CDT, 30 minutes before
TXZ201-181-215-182-216-180-232330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
521 PM CDT SAT JUL 23 1994

...THUNDERSTORMS ARE MOVING ACROSS THE GOLDEN TRIANGLE...

AT 520 PM...NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS
AND THUNDERSTORMS FROM BEAUMONT AND FANNETT...EAST TO BRIDGE
CITY AND PORT ARTHUR.  HEAVY RAIN...GUSTY WINDS...AND DANGEROUS
CLOUD TO GROUND LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY
DRIFT TO THE SOUTH AT 10 TO 15 MILES AN HOUR.  WINDS HAVE GUSTED
TO 31 MILES AN HOUR DURING THE PAST 25 MINUTES AT THE JEFFERSON
COUNTY AIRPORT IN MID COUNTY.

OTHER THUNDERSTORMS WERE SHOWN IN SOUTHEAST TEXAS FROM CLEVELAND
TO VOTAW SOUTH TO DAISETTA...AND OVER MUCH OF NEWTON COUNTY FROM
BURKEVILLE SOUTH TO NEWTON...KIRBYVILLE...AND EAST TO THE SABINE
RIVER.  RESIDENTS OF SOUTHEAST TEXAS AND THE TRIANGLE CAN EXPECT
HEAVY DOWNPOURS...LOCAL GUSTY WINDS...AT LEAST FOR THE NEXT COUPLE
OF HOURS.  THESE STORMS SHOULD BEGIN TO WEAKEN WITH THE LOSS OF
DAYTIME HEATING.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION
FROM THE NATIONAL WEATHER SERVICE.

JAMES

NNNN
Special weather statement, Jul 23, 5:34 PM CDT, 17 minutes before
TXZ215-216-232330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
534 PM CDT SAT JUL 23 1994

...SPECIAL CLIMATE REPORT...

AS OF 533 PM CDT THIS AFTERNOON...THE NATIONAL WEATHER SERVICE OFFICE AT
JEFFERSON COUNTY AIRPORT RECEIVED 0.36 OF AN INCH OF RAINFALL FROM A
PASSING THUNDERSTORM.

DCG

NNNN
Special weather statement, Jul 23, 5:40 PM CDT, 11 minutes before
LAZ020>022-027-028-030>032-041>044-051-052-502-503-232345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
540 PM CDT SAT JUL 23 1994

...THE SPECIAL MARINE WARNING FOR THE COASTAL WATERS FROM WHITE LAKE
   TO VERMILION BAY HAS BEEN CANCELLED....
...AN URBAN FLOOD ADVISORY IS IN EFFECT UNTIL 605 PM CDT FOR CALCASIEU
   PARISH...
AT 525 PM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE SHOWN SOUTH OF A LINE FROM LAFAYETTE...TO DEQUINCY...TO
HIGH ISLAND TEXAS. THE AREA EXTENDED SOUTH TO THE COAST.

THESE THUNDERSTORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...AND POSSIBLY SOME SMALL HAIL AS THEY MOVE SOUTH AT 15 MILES
AN HOUR. FLOODING OF STREETS AND LOW LYING AREAS IS LIKELY WITH THE
HEAVIER THUNDERSTORMS. A REPORT FROM A LAKE CHARLES OBSERVER WAS RECEIVED
OF ONE INCH OF RAIN IN 20 MINUTES AND A REPORT OF MARBLE SIZED HAIL
WAS RECEIVED FROM AN OBSERVER IN SOUTHWEST LAKE CHARLES.
OTHERWISE ISOLATED SHOWERS AND THUNDERSTORMS WERE SHOWN OVER SOUTHEAST
TEXAS NEAR KIRBYVILLE...JUST NORTH OF LIBERTY...AND SOUTHEAST OF CONROE.

MOVEMENT WAS SOUTH AT 15 MILES AN HOUR.
Special weather statement, Jul 23, 5:41 PM CDT, 10 minutes before
LAZ020>022-027-028-030>032-041>044-051-052-502-503-232345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
540 PM CDT SAT JUL 23 1994

...THE SPECIAL MARINE WARNING FOR THE COASTAL WATERS FROM WHITE LAKE
   TO VERMILION BAY HAS BEEN CANCELLED....
...AN URBAN FLOOD ADVISORY IS IN EFFECT UNTIL 605 PM CDT FOR CALCASIEU
   PARISH...
AT 525 PM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE SHOWN SOUTH OF A LINE FROM LAFAYETTE...TO DEQUINCY...TO
HIGH ISLAND TEXAS. THE AREA EXTENDED SOUTH TO THE COAST.

THESE THUNDERSTORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...AND POSSIBLY SOME SMALL HAIL AS THEY MOVE SOUTH AT 15 MILES
AN HOUR. FLOODING OF STREETS AND LOW LYING AREAS IS LIKELY WITH THE
HEAVIER THUNDERSTORMS. A REPORT FROM A LAKE CHARLES OBSERVER WAS RECEIVED
OF ONE INCH OF RAIN IN 20 MINUTES AND A REPORT OF MARBLE SIZED HAIL
WAS RECEIVED FROM AN OBSERVERT IN SOUTHWEST LAKE CHARLES.
OTHERWISE ISOLATED SHOWERS AND THUNDERSTORMS WERE SHOWN OVER SOUTHEAST
TEXAS NEAR KIRBYVILLE...JUST NORTH OF LIBERTY...AND SOUTHEAST OF CONROE.

MOVEMENT WAS SOUTH AT 15 MILES AN HOUR.

Nearby

Severe Thunderstorm Warnings in Louisiana, 1994Every severe thunderstorm warning in 1994

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.