Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 3, NWS Lake Charles, LA

February 3, 1990Acadia Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 3, 1990, 5:02 PM CST for Acadia Parish, Louisiana. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Feb 3, 1990, 5:02 PM CST (23:02 UTC)
Expired
Feb 3, 1990, 5:45 PM CST
In force
43 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Acadia Parish, LA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.0 hours before the alert went out and 78 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 1990-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 600 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 12:00Z on 1990-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 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
600 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLCH 032303
SVRLCH
LAC001-032345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
502 PM CST SAT FEB 3 1990
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CST
FOR PEOPLE IN THE FOLLOWING PARISH...
 
IN SOUTHWEST LOUISIANA
          ...ACADIA
 
AT 455 PM CST THE LAKE CHARLES WEATHER RADAR SHOWED A SEVERE
THUNDERSTORM IN THE SOUTHWEST CORNER OF ACADIA PARISH 10 MILES
SOUTHWEST OF CROWLEY.
 
THE THUNDERSTORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL
MOVE ACROSS THE CITY OF CROWLEY BY 510 PM CST.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 3, 12:34 PM CST, 4 hours 28 minutes before
LAZ006-007-008-011-012-031940-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1235 PM CST SAT FEB 3 1990

...FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON FOR VERNON..GRANT..
   LA SALLE..CATAHOULA..CONCORDIA..RAPIDES..AND AVOYELLES PARISHES...

AT 1225 PM AN AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH  HEAVY
RAINFALL...WAS OVER A LARGE PART OF LOUISIANA AND THE EASTERN BORDER OF
SOUTHEAST TEXAS.

THIS AREA WAS GENERALLY SOUTH OF A LINE FROM MONROE TO SHREVEPORT AND
EXTENDED SOUTH TO THE COAST IN LOUISIANA. IN SOUTHEAST TEXAS...THE AREA
WAS GENERALLY EAST OF A LINE FROM JASPER TO GALVESTON.  SHOWERS AND
THUNDERSTORMS EXTENDED OFFSHORE UP TO 70 MILES NFROM GALVESTON TO 40 MILES
EAST OF CAMERON.

THE HEAVIEST RAINFALL WAS OFFSHORE 25 MILES SOUTH OF CAMERON AND 30 MILES
EAST OF GALVESTON.

MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR.
Special weather statement, Feb 3, 1:35 PM CST, 3 hours 27 minutes before
LAZ006-007-008-011-012-032040-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
135 PM CST SAT FEB 3 1990

...FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON FOR VERNON..GRANT..
   LA SALLE..CATAHOULA..CONCORDIA..RAPIDES..AND AVOYELLES PARISHES...

AT 125 PM AN AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAINFALL...WAS OVER A LARGE PART OF LOUISIANA AND THE EASTERN BORDER OF
SOUTHEAST TEXAS.

THIS AREA WAS GENERALLY SOUTH OF A LINE FROM MONROE TO LEESVILLE  AND
EXTENDED SOUTH TO THE COAST AND EAST TO BATON ROUGE. IN SOUTHEAST TEXAS..
IT WAS GENERALLY EAST OF A LINE FROM LUFKIN TO GALVESTON.  SHOWERS AND
THUNDERSTORMS EXTENDED OFFSHORE UP TO 100 MILES FROM GALVESTON TO
VERMILLION BAY..

THE HEAVIEST RAINFALL WAS NEAR FORT POLK...OVER WHITE LAKE AND JUST WEST
AND SOUTH OF CAMERON.

MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR.
Special weather statement, Feb 3, 2:36 PM CST, 2 hours 26 minutes before
LAZ006-007-008-011-012-032140-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
235 PM CST SAT FEB 3 1990

...FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON FOR VERNON..GRANT..
   LA SALLE..CATAHOULA..CONCORDIA..RAPIDES..AND AVOYELLES PARISHES...

AT 225 PM AN AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAINFALL...WAS OVER CENTRAL AND SOUTHERN LOUISIANA AND A SMALL PART OF
SOUTHEAST TEXAS.

THIS AREA WAS GENERALLY FROM WINFIELD SOUTH TO THE COAST AND EAST TO
BATON ROUGE.  IN SOUTHEAST TEXAS..IT WAS GENERALLY EAST OF GALVESTON TO
JASPER.  SHOWERS AND THUNDERSTORMS EXTENDED OFFSHORE UP TO 80 MILES
FROM GALVESTON TO VERMILLION BAY..

THE HEAVIEST RAINFALL WAS FROM LAFAYETTE SOUTH TO PECAN ISLAND ..15
MILES WEST OF ALEXANDRIA AND 30 MILES NORTH OF BEAUMONT TEXAS.

MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR.
Special weather statement, Feb 3, 3:30 PM CST, 1 hour 32 minutes before
LAZ006-007-008-011-012-032240-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
330 PM CST SAT FEB 3 1990

...FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON FOR VERNON..GRANT..
   LA SALLE..CATAHOULA..CONCORDIA..RAPIDES..AND AVOYELLES PARISHES...

AT 325 PM AN AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAINFALL...WAS OVER CENTRAL AND SOUTHERN LOUISIANA AND A SMALL PART OF
SOUTHEAST TEXAS.

THIS AREA WAS GENERALLY FROM WINNFIELD TO MONROE AND EXTENDED SOUTH TO
THE COAST AND EAST TO BATON ROUGE.  IN SOUTHEAST TEXAS..IT WAS
GENERALLY EAST OF JASPER TO PORT ARTHUR. SHOWERS AND THUNDERSTORMS
EXTENDED OFFSHORE UP TO 100 MILES FROM GALVESTON TO VER?MILLION BAY..

THE HEAVIEST RAINFALL WAS 15 MILES NORTHEAST OF LAFAYETTE AND 20 MILES
OFFSHORE FROM SABINE.
MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR.

Nearby

Severe Thunderstorm Warnings in Louisiana, 1990Every severe thunderstorm warning in 1990

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.