Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 66, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 23, 1990, 2:53 PM CDT for Cameron Parish, Vermilion Parish, Louisiana. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1990, 2:53 PM CDT (19:53 UTC)
- Expired
- Jun 23, 1990, 4:00 PM CDT
- In force
- 67 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Cameron 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 12:00Z, 7.9 hours before the alert went out and 54 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
- 2083 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 231954 SVRLCH LAC023-113-232100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 253 PM CDT SAT JUN 23 1990 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST LOUISIANA ...EASTERN CAMERON PARISH...SOUTHWESTERN VERMILION PARISH AT 250 PM...RADAR CONTINUED TO SHOW A CLUSTER OF SEVERE THUNDERSTORMS OVER EASTERN CAMERON PARISH OR 25 MILES EAST CAMERON. THE THUNDERSTORMS WERE DRIFTING SOUTH. 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, Jun 23, 1:43 PM CDT, 1 hour 10 minutes before
LAZ005-006-007-008-011-012-231945- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 140 PM CDT SAT JUN 23 1990 AT 125 PM...AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN HAD DEVELOPED JUST NORTH OF WHITE LAKE AND WAS MOVING SOUTHEAST AT 20 MPH. PERIODS OF VERY HEAVY RAIN CAN BE EXPECTED OVER WHITE LAKE AND IN THE PECAN ISLAND AREA DURING THE NEXT HOUR AS THE THUNDERSTORM MOVES THROUGH. ISOLATED PATCHES OF RAIN WERE SHOWN FROM NEAR VILLE PLATTE TO CROWLEY TO SOUTHWEST OF GRAND LAKE. SCATTERED THUNDERSTORMS CONTINUED OVER THE GULF IN A 20 MILE WIDE AREA FROM 70 TO 110 MILES SOUTHEAST OF CAMERON AND WERE MOVING SOUTHWEST AT 20 MPH.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 1:49 PM CDT | Severe Thunderstorm Warning | LCH | Cameron, Vermilion | 56 min |
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.