Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 89, NWS Lake Charles, LA

August 1, 1990Angelina County, Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 1, 1990, 6:10 PM CDT for Angelina County, Tyler County, Texas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Aug 1, 1990, 6:10 PM CDT (23:10 UTC)
Expired
Aug 1, 1990, 7:15 PM CDT
In force
65 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Angelina County, TX, Tyler 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

Longview/Gregg, TX (KGGG), launched 12:00Z, 11.2 hours before the alert went out and 149 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, Longview/Gregg, TX at 12:00Z on 1990-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 876 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, Longview/Gregg, TX at 12:00Z on 1990-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
876 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
843 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBPT 012310
SVRBPT
TXC005-457-020015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
610 PM CDT WED AUG 1 1990
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PERSONS IN THE FOLLOWING COUNTIES
 
IN EAST CENTRAL TEXAS
 
   ...SOUTHERN ANGELINA COUNTY
 
IN SOUTHEAST TEXAS
 
   ...NORTHERN TYLER COUNTY
 
AT 605 PM CDT...THE TYLER COUNTY SHERIFF DEPT REPORTED GOLFBALL SIZE
HAIL ON HIGHWAY 69... 4 MILES NORTH OF WOODVILLE WITH WINDS GUSTS
ESTIMATED AT 35 TO 40 MPH.
 
THE SEVERE THUNDERSTORM IS PART OF A LINE OF THUNDERSTORMS FROM NEAR
FRED IN SOUTHEAST TYLER COUNTY TO NEAR BURKE IN SOUTHWEST ANGELINA
COUNTY.  THE THUNDERSTORMS ARE DRIFTING SLOWLY TO THE NORTH.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUT:SIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
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, Aug 1, 2:00 PM CDT, 4 hours 10 minutes before
LAZ005-006-007-008-011-012-011945-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
155 PM CDT WED AUG 1 1990

AT 130 PM...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED FROM
JUST NORTH OF LAKE CHARLES TO THE LAFAYETTE AREA TO THE COAST FROM
CAMERON TO VERMILION BAY.  THESE THUNDERSTORMS WILL PRODUCE GUSTY WINDS
...DANGEROUS CLOUD TO GROUND LIGHTNING...AND POSSIBLE STREET FLOODING
AS THEY MOVE SLOWLY NORTH.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...
CONTINUED OVER EAST TEXAS AND OVER LOUISIANA FROM A LUFKIN TEXAS...MANY
LOUISIANA...WINNFIELD LOUISIANA LINE TO NEAR HOUSTON...PORT ARTHUR TEXAS
...CAMERON...AND MORGAN CITY.

ISOLATED SHOWERS AND THUNDERSTORMS WERE SHOWN BETWEEN BATON ROUGE AND
MORGAN CITY.

A FEW SHOWERS CONTINUED IN THE GULF 40 TO 80 MILES SOUTH OF SABINE PASS
AND IN THE COASTAL WATERS SOUTH OF...CAMERON...VERMILION BAY....AND
MORGAN CITY.
Special weather statement, Aug 1, 2:46 PM CDT, 3 hours 24 minutes before
TXZ033-046-048-012045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
246 PM CDT WED AUG 1 1990

...THUNDERSTORMS MOVING OVER SOUTHEAST TEXAS...

AT 245 PM THE NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS
INCREASING IN AREA COVERAGE AND INTENSITY OVER SOUTHEAST TEXAS
DURING THE PAST HOUR.

PORT ARTHUR WEATHER STATION AT JEFFERSON COUNTY AIRPORT HAS
RECORDED VERY HEAVY RAIN FALL AND WINDS GUSTING UP TO 32 MPH
DURING THE LAST HOUR. RAINFALL DURING THE PAST HOUR WAS 0.95 INCHES.

THIS WILL CAUSE STREET AND LOW LYING AREA FLOODING DURING
RUSH HOUR TRAFFIC. PEOPLE SHOULD TAKE EXTRA CARE WHEN DRIVING
AND DO NOT DRIVE IN FLOODED ROADWAY OR STREETS.

DANGEROUS LIGHTNING WAS FREQUENTLY OCCURRING WITH THESE STORMS.
REMEMBER LIGHTNING IS THE SINGLE BIGGEST KILLER WITH THUNDERSTORMS.

ELSEWHERE THUNDERSTORMS WERE SCATTERED NORTH OF A LINE FROM
CENTRAL NEWTON AND JASPER COUNTIES. THE STRONGEST ACTIVITY
WAS LOCATED OVER CENTRAL SABINE COUNTY.

MOVEMENT OF THE THUNDERSTORMS WAS SLOWLY TO THE NORTH.

NNNN
Special weather statement, Aug 1, 2:49 PM CDT, 3 hours 21 minutes before
LAZ005-006-007-008-011-012-012045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
245 PM CDT WED AUG 1 1990

AT 225 PM...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...CONTINUED OVER EAST TEXAS AND OVER LOUISIANA FROM A LUFKIN
TEXAS...MANY LOUISIANA...WINNFIELD LOUISIANA...JENA LOUISIANA LINE TO
NEAR LIBERTY TEXAS...BEAUMONT...CAMERON...AND MORGAN CITY.

THE THUNDERSTORMS OVER WESTERN CAMERON PARISH AND OVER ACADIA PARISH WILL
PRODUCE GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND SOME LOCAL
FLOODING OF STREETS AND OTHER LOW AREAS.

ISOLATED SHOWERS AND THUNDERSTORMS WERE SHOWN BETWEEN BATON ROUGE AND
MORGAN CITY.

A LFEW SHOWERS AND THUNDERSTORMS CONTINUED IN THE GULF 80 MILES SOUTH OF
SABINE PASS AND IN THE COASTAL WATERS SOUTH OF CAMERON AND ATCHAFAYALA BAY.
Special weather statement, Aug 1, 3:43 PM CDT, 2 hours 27 minutes before
LAZ005-006-007-008-011-012-012145-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
345 PM CDT WED AUG 1 1990

AT 325 PM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE SHOWN OVER EAST TEXAS AND OVER LOUISIANA FROM A LUFKIN
TEXAS...MANSFIELD LOUISIANA...WINNFIELD LOUISIANA...JENA LOUISIANA LINE
TO NEAR...BEAUMONT...CAMERON...LAFAYETTE AND MORGAN CITY.

THE THUNDERSTORMS OVER RAPIDES...VERNON...BEAUREGARD...AND CALCASIEU
PARISHES MAY PRODUCE GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING
SOME LOCAL FLOODING OF STREETS AND OTHER LOW PLACES DURING THE NEXT
HOUR.

ISOLATED SHOWERS AND THUNDERSTORMS WERE SHOWN OVER SOUTHEAST TEXAS FROM
JUST WEST OF BEAUMONT TO NEAR HOUSTON AND FREEPORT...IN THE COASTAL WATERS
SOUTH OF CAMERON...AND IN THE GULF 20 AND 70 MILES SOUTH OF SABINE PASS.

MOVEMENT WAS NORTH AT 10 MPH
Special weather statement, Aug 1, 4:31 PM CDT, 1 hour 39 minutes before
LAZ005-006-007-008-011-012-012235-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
430 PM CDT WED AUG 1 1990

AT 425 PM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...CONTINUED OVER PORTIONS OF CENTRAL LOUISIANA...BETWEEN THE
SOUTHERN PORTIONS OF TOLEDO BEND RESERVOIR AND ALEXANDRIA...ALSO ALONG THE
SABINE RIVER NORTHWEST OF DEQUINCY.

THE THUNDERSTORMS OVER RAPIDES...VERNON...AND BEAUREGARD PARISH WILL LIKELY
PRODUCE GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...SOME LOCAL
FLOODING OF STREETS AND OTHER LOW PLACES.

ISOLATED SHOWERS AND THUNDERSTORMS WERE SHOWN OVER SOUTHEAST TEXAS FROM
JUST WEST OF BEAUMONT TO NEAR HOUSTON AN<D FREEPORT...NORTHWEST OF BATON
ROUGE...WEST OF LAKE CHARLES...AND SOUTHEAST OF MORGAN CITY.

MOVEMENT WAS NORTH AT 10 MPH
Special weather statement, Aug 1, 5:25 PM CDT, 45 minutes before
LAZ005-006-007-008-011-012-012330

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
530 PM CDT WED AUG 1 1990

AT 525 PM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...CONTINUED OVER PORTIONS OF CENTRAL LOUISIANA...BETWEEN ALEXANDRIA
AND JENA AND ALSO ALONG THE SABINE RIVER WEST OF SINGER.

THE THUNDERSTORMS OVER RAPIDES...LASALLE...AND WESTERN BEAUREGARD PARISH
WILL LIKELY PRODUCE GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...SOME
LOCALIZE FLOODING OF STREETS AND OTHER LOW PLACES.

ISOLATED SHOWERS AND THUNDERSTORMS WERE SHOWN OVER SOUTHEAST TEXAS FROM
LUFKIN TO NORTH OF BEAUMONT...IN THE HOUSTON AREA...NORTH AND SOUTH OF
BATON ROUGE...AND ALONG THE COAST BETWEEN WHITE LAKE AND THE ATCHAFAYALA
BAY.

MOVEMENT WAS NORTH AT 10 MPH.

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.