Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 60, NWS Lake Charles, LA

June 4, 1990Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 4, 1990, 5:16 PM CDT for Jefferson County, Texas. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 4, 1990, 5:16 PM CDT (22:16 UTC)
Expired
Jun 4, 1990, 6:00 PM CDT
In force
44 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Jefferson County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 4, 5:18 PM CDTHail 1Jefferson, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.3 hours before the alert went out and 96 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 042216
SVRBPT
TXC245-042300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
516 PM CDT MON JUN 4 1990
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PERSONS IN THE FOLLOWING COUNTIES
 
IN SOUTHEAST TEXAS
 
   ...NORTHERN JEFFERSON COUNTY
 
 
 
 
AT 513 PM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM NEAR
CHINA IN NORTHWEST JEFFERSON COUNTY AND ANOTHER SEVERE THUNDERSTORM
OVER BEAUMONT.
 
LARGE HAIL AND DAMAGING WIND WILL ACCOMPANY THESE SEVERE STORMS.
THEY ARE SHOWING NO MOVEMENT AND A FLASH FLOOD WARNING IS ALSO
IN EFFECT FOR NORTHERN JEFFERSON COUNTY AND THE CITY OF BEAUMONT.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
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, 56 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, 5:28 PM CDTSevere Thunderstorm WarningLCHOrange32 min
Jun 4, 5:48 PM CDTSevere Thunderstorm WarningLCHNewton27 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.