Alert archive / Louisiana / Tornado Warnings in 1990
Tornado Warning 31, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Aug 30, 1990, 8:17 PM CDT for Lafayette Parish, Vermilion Parish, Louisiana. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Aug 30, 1990, 8:17 PM CDT (01:17 UTC)
- Expired
- Aug 30, 1990, 9:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Lafayette Parish, LA, Vermilion 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, 1.3 hours before the alert went out and 99 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
- 4254 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1289 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 14.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 310120 TORLCH LAC055-113-310200- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 817 PM CDT THU AUG 30 1990 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST LOUISIANA ...SOUTHERN LAFAYETTE PARISH...EASTERN VERMILION PARISH AT 810 PM THE LAFAYETTE E.O.C REPORTED AT FUNNEL CLOUD SIGHTED JUST SOUTHWEST OF THE CITY OF LAFAYETTE. AT 815 PM THE SEVERE THUNDERSTORM ASSOCIATED WITH THE FUNNEL CLOUD SIGHTING WAS SHOWN OVER THE SOUTH PART OF LAFAYETTE PARISH. THE THUNDERSTORM WAS MOVING SOUTH AT 20 MILES AN HOUR. THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED FOR LAFAYETTE AND VERMILION PARISHES. IF YOU ARE IN THE PATH OF A TORNADO...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. GET UNDER A PIECE OF STURDY FURNITURE PREFERABLY IN AN INTERIOR ROOM ON THE LOWE9ST FLOOR. USE BLANKETS OR PILLOWS TO COVER YOUR BODY. AVOID WINDOWS.
What forecasters said that day
The local office's own words before this tornado 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 30, 3:38 PM CDT, 4 hours 39 minutes before
LAZ005-006-007-008-011-012-302145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 335 PM CDT THU AUG 30 1990 ...SEVERE THUNDERSTORMS WATCH IN EFFECT UNTIL 9 PM THIS THURSDAY EVENING FOR ALL OF SOUTHWEST AND CENTRSL LOUISIANA. AT 330 PM...THUNDERSTORMS...SOME WITH VERY HEAVY RAINS...WERE DEVELOPING RATHER RAPIDLY OVER PORTIONS OF CENTRAL LOUISIANA..MAINLY IN LASALLE.. GRANT..AND RAPIDES PARISHES. AN INTENSE THUNDERSTORM WITH HAIL INDICATED BY RADAR WAS SHOWN JUST EAST OF ALEXANDRIA ..ABOUT 15 MILES NORTH OF MARKSVILLE MOVING TOWARD THE SOUTH AT 25 MPH. PERSONS IN CENTRAL LOUISIANA SHOULD BE ON THE ALERT IN THE EVENT OTHER WEATHER DEVELOPMENTS OCCUR WERE A WARNING IS REQUIRED. PERIODS OF VERY HEAVY RAINS...STRONG GUSTY WINDS...DANGEROUS LUGHTNING.. AND HAIL ARE LIKELY TO OCCUR WITH THE HEAVIER THUNDERSTORMS. ALSO FLOODING OF LOW LYING AREAS IS LIKELY.
Special weather statement, Aug 30, 7:56 PM CDT, 21 minutes before
LAZ005-006-007-008-011-012-310145 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 750 PM CDT THU AUG 30 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM FOR ALL OF CENTRAL..SOUTHWEST AND SOUTH CENTRAL LOUISIANA... AT 725 PM...SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WERE SHOWN FROM NEAR JENNINGS TO LAFAYETTE. THESE THUNDERSTORMS WILL BE MOVING THROUGH SOUTHERN ACADIA AND LAFAYETTE PARISHES AND INTO VERMILION PARISH DURING THE NEXT HOUR. STRONG GUSTY WINDS..DANGEROUS LIGHTNING..AND SMALL HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS IN ACADIA..LAFAYETTE..AND VERMILION PARISHES AS THEY MOVE SOUTH AT 20 MPH. OTHERWISE SCATTERED THUNDERSTORMS WERE SHOWN FROM JUST SOUTH OF MANY TO 20 MILES NORTH OF LAFAYETTE TO JUST SOUTH OF LAFAYETTE AND TO NEAR DE QUINCY.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 7:48 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Lafayette, Vermilion | 57 min |
| Aug 30, 9:20 PM CDT | Severe Thunderstorm Warning | LCH | Cameron, Vermilion | 55 min |
| Aug 30, 11:00 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 60 min |
| Aug 31, 12:02 AM CDT | Tornado Warning | LCH | Cameron | 43 min |
| Aug 31, 3:03 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 57 min |
| Aug 31, 3:05 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 70 min |
| Aug 31, 3:10 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 65 min |
| Aug 31, 3:52 PM CDT | Severe Thunderstorm Warning | LCH | Cameron | 53 min |
Nearby
Tornado Warnings in Louisiana, 1990Every tornado warning in 1990Tornadoes 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.