Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 28, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 27, 1990, 9:50 PM CDT for Hardin County, Jefferson County, Texas. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1990, 9:50 PM CDT (02:50 UTC)
- Expired
- Apr 27, 1990, 10:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Hardin County, TX, Jefferson County, TX
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, 2.8 hours before the alert went out and 103 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
- 934 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBPT 280250 SVRBPT TXC199-245-280330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PORT ARTHUR TX 950 PM CDT FRI APR 27 1990 THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PERSONS IN THE FOLLOWING COUNTIES IN SOUTHEAST TEXAS ...SOUTHERN HARDIN COUNTY...NORTHERN JEFFERSON COUNTY AT 948 PM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM ALONG THE HARDIN...JEFFERSON COUNTY LINE BETWEEN SOUR LAKE AND NOME MOVING EAST AT 25 MPH. STRONG WINDS AND LARGE HAIL WERE INDICATED WITHIN THIS STORM. THE STORM WILL BE MOVE ALONG AND BETWEEN US-90 AND SH-105 TOWARDS BEAUMONT. DCG 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. NNNN
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, Apr 27, 7:44 PM CDT, 2 hours 6 minutes before
LAZ005-006-007-008-011-012-280145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 742 PM CDT FRI APR 27 1990 ...A TORNADO WATCH IS IN EFFECT THIS FRIDAY NIGHT AND SATURDAY MORNING FOR CENTRAL AND SOUTHWEST LOUISIANA UNTIL 200 AM... AT 725 PM...ISOLATED STRONG THUNDERSTORMS WERE SHOWN IN TEXAS FROM KOUNTZE TO JUST NORTHWEST OF SAN AUGUSTINE. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. STRONG GUSTY WINDS....DANGEROUS CLOUD TO GROUND LIGHTNING...PERIODS OF VERY HEAVY RAIN...AND SOME HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS. A LARGE AREA OF RAIN MIXED WITH ISOLATED THUNDERSTORMS WAS DETECTED IN TEXAS FROM THE CONROE AND LAKE LIVINGSTON AREAS....TO NEAR THE NORTHERN END OF TOLEDO BEND RESERVIOR.
Special weather statement, Apr 27, 8:47 PM CDT, 1 hour 3 minutes before
LAZ005-006-007-008-011-012-280245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 840 PM CDT FRI APR 27 1990 ...A TORNADO WATCH IS IN EFFECT THIS FRIDAY NIGHT AND SATURDAY MORNING FOR CENTRAL AND SOUTHWEST LOUISIANA UNTIL 200 AM... AT 825 PM...VERY STRONG THUNDERSTORMS WERE MOVING INTO WEST CENTRAL AND SOUTHWEST LOUISIANA FROM SOUTHEAST TEXAS. IN LOUISIANA ONE WAS LOCATED BETWEEN CONVERSE AND MANY...AND OVER SOUTHEAST TEXAS LOCATIONS WERE JUST EAST OF SAN AUGUSTINE OVER TOLEDO BEND RESERVOIR...AND OVER KIRBYSVILLE. THESE THUNDERSTORMS LIKELY CONTAIN LARGE HAIL...GUSTY WINDS...VERY HEAVY RAINFALL AND DANGEROUS LIGHTNING. OTHER STRONG THUNDERSTORMS WgERE ACROSS SOUTHEAST TEXAS AND WESTERN LOUISIANA FROM SHREVEPORT TO BEAUMONT. AND NEAR LAKE LIVINGSTON IN SOUTHEAST TEXAS. MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 7:15 PM CDT | Tornado Warning | LCH | San Augustine | 30 min |
| Apr 27, 7:18 PM CDT | Severe Thunderstorm Warning | LCH | Jasper | 27 min |
| Apr 27, 7:49 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Newton, Sabine | 26 min |
| Apr 27, 7:49 PM CDT | Severe Thunderstorm Warning | LCH | Tyler | 26 min |
| Apr 27, 8:14 PM CDT | Tornado Warning | LCH | Jasper | 31 min |
| Apr 27, 11:45 PM CDT | Severe Thunderstorm Warning | LCH | Orange | 30 min |
Nearby
Severe Thunderstorm Warnings in Texas, 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.