Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 42, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 12, 1990, 10:40 PM CDT for Beauregard Parish, Louisiana. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- May 12, 1990, 10:40 PM CDT (03:40 UTC)
- Expired
- May 12, 1990, 11:45 PM CDT
- In force
- 65 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Beauregard 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 00:00Z, 3.7 hours before the alert went out and 60 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.
- Mixed-layer CAPE
- 2652 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 12.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 130349 RRA SVRLCH LAC011-130445- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 1040 PM CDT SAT MAY 12 1990 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST LOUISIANA ...BEAUREGARD PARISH AT 1045 PM CDT THE LAKE CHARLES WEATHER RADAR SHOWED A SEVERE THUNDERSTORM ALONG THE TEXAS/LOUISIANA BORDER WEST OF DE RIDDER. THE THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. AT THE CURRENT SPEED AND MOVEMENT THE THUNDERSTORM WILL MOVE ACROSS THE CITY OF MERRYVILLE IN WESTERN BEAUREGARD PARISH BY 1055 PM CDT. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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, May 12, 6:47 PM CDT, 3 hours 53 minutes before
LAZ005-006-007-008-011-012-130040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 645 PM CDT SAT MAY 12 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 900 PM FOR CENTRAL LOUISIANA... AND VERNON PARISH IN WEST LOUISIANA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR VERNON PARISH TONIGHT... AT 635 PM...APPARENT STRONG THUNDERSTORMS WERE LOCATED IN EXTREME SOUTHWEST MISSISSIPPI NEAR AND JUST NORTHEAST THROUGH SOUTH OF NATCHEZ MOVING EAST AT 40 MPH. CLUSTERS OF SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE SHOWN NORTH EAST OF LAFAYETTE AND WEST...NORTHWEST...AND NORTHEAST OF BATON ROUGE... NEAR AND WEST...NORTH...AND EAST OF LAKE CHARLES...AND JUST NORTH OF ALEXANDRIA. MOVEMENT WAS EAST AT 40 MPH.
Special weather statement, May 12, 7:43 PM CDT, 2 hours 57 minutes before
LAZ005-006-007-008-011-012-130140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 742 PM CDT SAT MAY 12 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 900 PM FOR CENTRAL LOUISIANA... AND VERNON PARISH IN WEST LOUISIANA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR VERNON PARISH TONIGHT... AT 730 PM...A BAND OF STRONG THUNDERSTORMS WAS INCREASING IN NORTHWEST LOUISIANA AND EAST TEXAS FROM JUST NORTHWEST OF MANSFIELD...NORTH OF SAN AUGUSTINE TEXAS...TO NORTH AND NORTHWEST OF LUFKIN. MOVEMENT WAS SOUTHEAST AT 35 MPH. BANDS OF STRONG THUNDERSTORMS WERE INDICATED NORTH OF ALEXANDRIA ACROSS AND NORTHEAST OF LASALLE PARISH...JUST NORTH AND NORTHEAST OF BATON ROUGE WHILE SCATTERED SHOWERS WERE SHOWN FROM JUST SOUTH OF BATON ROUGE TO SOUTHEAST OF LAFAYETTE TO EAST OF OAKDALE. MOVEMENT WAS NORTHEAST AT 45 MPH.
Special weather statement, May 12, 8:45 PM CDT, 1 hour 55 minutes before
LAZ005-006-007-008-011-012-130240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 842 PM CDT SAT MAY 12 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 900 PM FOR CENTRAL LOUISIANA... AND VERNON PARISH IN WEST LOUISIANA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR VERNON PARISH TONIGHT... AT 835 PM...A BAND OF STRONG THUNDERSTORMS WAS SHOWN FROM NEAR AND SOUTH OF MANSFIELD LOUISIANA ACROSS SAN AUGUSTINE TEXAS TO NEAR LUFKIN THEN SOUTHWEST ACROSS THE NORTH PART OF LAKE LIVINGSTON TO NEAR AND SOUTHWEST OF HUNTSVILLE. THESE STRONG THUNDERSTORMS WERE MOVING SOUTHEAST AND SOUTH AT 25 MPH. SCATTERED THUNDERSTORMS AND SHOWERS REDEVELOPED NEAR AND SOUTHWEST TxHROUGH SOUTHEAST OF ALEXANDRIA TO NATCHEZ MISSISSIPPI. MOVEMENT WAS NORTHEAST AT 45 MPH.
Special weather statement, May 12, 9:39 PM CDT, 1 hour 1 minute before
LAZ005-006-007-008-011-012-130340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 940 PM CDT SAT MAY 12 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 200 AM FOR CENTRAL LOUISIANA... AND SOUTHWEST LOUISIANA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR VERNON PARISH TONIGHT... AT 928 PM...A BAND OF STRONG THUNDERSTORMS WAS SHOWN FROM NEAR NATCHITOCHES LOUISIANA ACROSS THE SOUTH PART OF TOLEDO BEND RESERVOIR TO JUST SOUTHEAST OF LUFKIN TEXAS. THESE STRONG THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MPH. AS THE STORMS MOVE INTO VERNON PARISH FROM THE NORTHWEST...VERY GUSTY WINDS...HEAVY RAINS...DANGEROUS LIGHTNING...AND POSSIBLE HAIL COULD OCCUR. A BAND OF SCATTERED THUNDERSTORMS CONTINUED FROM EXTREME SOUTHWEST MISSISSIPPI...NEAR AND SOUTH OF NATCHEZ...TO JUST NORTHWEST OF VILLE PLATTE MOVING SOUTHEAST AT 25 MPH.
Special weather statement, May 12, 9:49 PM CDT, 51 minutes before
TXZ033-046-048-130345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 949 PM CDT SAT MAY 12 1990 A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM THIS SATURDAY EVENING FOR NORTHERN JASPER AND EASTERN TYLER COUNTIES. A SEVERE THUNDERSTORM WAS LOCATED OVER STEINHAGAN LAKE AT 940 PM MOVING DOWN THE NECHES RIVER AT 35 MILES AN HOUR THAT SHOULD PRODUCE DAMAGING WINDS AND HAIL. THIS STORM IS PART OF A LINE OF THUNDERSTORM THAT MOVED THROUGH NACOGDOCHES AND SAN AUGUSTINE COUNTIES EARLIER THIS EVENING PRODUCING DAMAGING WINDS AND GOLFBALL SIZED HAIL WEST AND SOUTHEAST OF NACOGDOCHES AND A FUNNEL CLOUD IN NORTHERN NACOGDOCHES COUNTY. IF THE THUNDERSTORMS HUOLD TOGATHER THEY WILL MOVE INTO THE GOLDEN TRIANGLE AROUND 1 AM SUNDAY MORNING. A TORNADO WATCH REMAINS IN EFFECT FOR ALL EAST AND SOUTHEAST TEXAS COUNTIES UNTIL 2 AM SUNDAY MORNING. DCG NNNN
Special weather statement, May 12, 10:40 PM CDT, 0 minutes before
TXZ033-046-048-130445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 1040 PM CDT SAT MAY 12 1990 THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER THIS EVENING FOR PARTS OF JASPER AND TYLER COUNTIES HAS EXPIRED AND IS NO LONGER IN EFFECT. THE TORNADO WATCH ISSUED EARLIER THIS EVENING FOR THE EAST TEXAS LAKE AREA HAS BEEN CANCELLED AND IS NO LONGER IN EFFECT. A TORNADO WATCH REMAINS IN EFFECT FOR THE SOUTHEAST TEXAS COUNTIES OF TYLER...HARDIN...JASPER...NEWTON...ORANGE AND JEFFERSON UNTIL 2 AM SUNDAY MORNING. AT 1035 PM CDT...WEATHER RADAR SHOWED A BAND OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL EXTENDED FROM WOODVILLE TO JASPER TO BURKVILLE AND INTO LOUSIANA. THE BAND WAS DRIFTING SLOWLY SOUTHWARD WHILE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR AND DECREASING IN INTENSITY. IT APPEARS THAT THE BAND OF THUNDERSTORMS WILL NOT MOVE AS FAR SOUTH AS THE GOLDEN TRIANGLE BEFORE DISSIPATING LATER TONIGHT BUT CONDITIONS DO FAVOR ADDITIONAL SHOWER AND THUNDERSTORM DEVELOPEMENT ALONG THE COASTAL PLAINS TONIGHT. STAY TUNED TO PORT ARTHURS WEATHER RADAR FOR LATER DEVELOPEMENTS ON TONIGHTS WEATHER SITUATION. DCG NNNN
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.