Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 62, NWS Lake Charles, LA

June 4, 1990Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 4, 1990, 5:48 PM CDT for Newton County, Texas. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1990, 5:48 PM CDT (22:48 UTC)
Expired
Jun 4, 1990, 6:15 PM CDT
In force
27 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Newton 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, 10.8 hours before the alert went out and 91 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 1990-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 480 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 1990-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
480 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
932 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBPT 042248
SVRBPT
TXC351-042315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
548 PM CDT MON JUN 4 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
 
   ...SOUTHERN NEWTON COUNTY
 
AT 643 PM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM HAD
DEVELOPED RAPIDLY JUST WEST OF DEWEYVILLE IN SOUTHERN NEWTON
COUNTY.  LARGE HAIL AND DAMAGING WIND WILL ACCOMPANY THIS STORM.
 
THIS STORM...LIKE OTHER STORM IN JEFFERSON AND ORANGE COUNTIES...
WAS NOT SHOWING ANY MOVEMENT SO FLOODING OF LOW LYING AREAS AND
ROADWAY WILL A<LSO CAUSE PROBLEMS TO RESIDENTS OF SOUTHERN NEWTON
COUNTY.
 
DCG
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, Jun 4, 4:20 PM CDT, 1 hour 28 minutes before
TXZ046-048-042215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
420 PM CDT MON JUN 4 1990

AT 410 PM CDT...WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS PRODUCING
VERY HEAVY RAINFALL HAD DEVELOPED RAPIDLY ACROSS THE NORTHERN FRINGE
OF THE GOLDEN TRIANGLE.  THE LINE EXTENDED FROM VIDOR ACROSS BEAUMONT
AND SOUR LAKE TO NORTH HOUSTON.  THE LINE WAS NOT SHOWING ANY
MOVEMENT.

THE LACK OF ANY MOVEMENT WILL CAUSE URBAN FLOODING IN VIDOR...BEAUMONT
AND SOUR LAKE.  THE HEAVY RUNOFF WILL CAUSE CANALS AND BAYOUS TO FILL
AND DITCHES TO FLOOD.

MOTORIST SHOULD NOT ATTEMPT CROSSING DEEP OR SWIFT WATER ACROSS ANY
ROADS OR HIGHWAYS.  THESE STORMS DEVELOPED AT A BAD TIME WITH
AFTERNOON HOMEBOUND TRAFFIC BEGINNING.

ALLOW EXTRA DRIVING TIME OR STAY IN TOWN FOR A WHILE UNTIL THE
THUNDERSTORMS DISSIPATE AROUND SUNSET.

ADDITIONAL STATEEMENTS OR POSSIBLE WARNINGS WILL BE ISSUED BY THE
PORT ARTHUR WEATHER OFFICE ON THE WEATHER RADIO THROUGH THE
AFTERNOON.

DCG

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 7:02 PM CDTSevere Thunderstorm WarningLCHJasper, Newton58 min
Jun 4, 5:13 PM CDTFlash Flood WarningLCHJefferson3 hr
Jun 4, 5:16 PM CDTSevere Thunderstorm WarningLCHJefferson44 min
Jun 4, 5:28 PM CDTSevere Thunderstorm WarningLCHOrange32 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.