Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 103, NWS Lake Charles, LA

September 5, 1990Hardin County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Sep 5, 1990, 5:40 PM CDT for Hardin County, Texas. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Sep 5, 1990, 5:40 PM CDT (22:40 UTC)
Expired
Sep 5, 1990, 6:15 PM CDT
In force
35 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Hardin 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 12:00Z, 10.7 hours before the alert went out and 117 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, Lake Charles Mun, LA at 12:00Z on 1990-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1661 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, Lake Charles Mun, LA at 12:00Z on 1990-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.193958Sfc1 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
1661 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1154 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.9
Supercell composite
8.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBPT 052240
SVRBPT
TXC199-052315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
540 PM CDT WED SEP 5 1990
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PERSONS IN THE FOLLOWING COUNTIES
 
IN SOUTHEAST TEXAS
 
   ...SOUTHWESTERN HARDIN COUNTY
 
RADAR INDICATED A SEVERE THUNDERSTORM WITH POSSIBLE LARGE HAIL
BETWEEN SOUR LAKE AND SARATOGA IN HARDIN COUNTY. THE STORM WAS
MOVING SOUTHWEST AT AROUND 20 MPH.
 
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.
 
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, Sep 5, 3:39 PM CDT, 2 hours 1 minute before
TXZ033-046-052145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
339 PM CDT WED SEP 5 1990

AT 340 PM CDT...THE NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED
THUNDERSTORMS HAD DEVELOPED IN SOUTHEAST TEXAS.

THE STRONGEST THUNDERSTORMS WERE LOCATED IN NORTHWEST NEWTON COUNTY...
NORTHWEST JASPER COUNTY AND SOUTH NACOGDOCHES COUNTY.  MOST OF THE
ACTIVITY WAS LOCATED NORTH OF A LINE EXTENDING FROM BON WEIR IN NEWTON
COUNTY TO OAK SHADE IN POLK COUNTY.

THESE THUNDERSTORMS WERE MOVING WEST NEAR 15 MPH.

THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY
RAINFALL AND DANGEROUS LIGHTNING.

NNNN
Special weather statement, Sep 5, 4:17 PM CDT, 1 hour 23 minutes before
TXZ046-048-052215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
417 PM CDT WED SEP 5 1990

AT 415PM CDT RADAR NOTED STRONG THUNDERSTORMS BETWEEN LAKE LIVINGSTON
AND DAM B IN EAST TEXAS.

THE STORMS WERE MOVING TO THE SOUTHWEST AT AROUND 20 MPH.

ONE STRONG STORM WAS DISIPATING NEAR WOODVILLE.  ABOUT 330PM THIS STORPRODUCED WIND DAMAGE..BLOWING THE ROOF OFF AN ICEHOUSE.. IN JASPER NEATHE INTERSECTION OF US 96 AND 190.  THE DEBRI CLOSED US 96 BUT THE
DEPARTMENT OF PUBLIC SAFETY EXPECTED THE ROAD TO BE OPEN BY 430PM CDT.
AN UNCONFIRMED REPORT OF TWIN FUNNEL CLOUDS WAS ALSO REPORTED TO THE
DPS APPROXIMATELY THIS SAME TIME.

A STRONG STORM WAS LOCATED JUST NORTHEAST zOF KIRBYVILLE.

ELSEWHERE ONE DEVELOPING THUNDERSTORM WAS LOCATED JUST NORTH OF
MAURICEVILLE NEAR THE JASPER COUNTY LINE. IF CURRENT MOTION CONTINUES
THE STORM WILL MOVE TO NEAR BEAUMONT BY 5PM CDT.

NNNN

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 5:52 PM CDTSevere Thunderstorm WarningLCHJefferson, Orange68 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.