Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 16, NWS Lake Charles, LA

April 14, 1990Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 14, 1990, 9:40 AM CDT for Jefferson County, Texas. It was in force for 2 hr. 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
Apr 14, 1990, 9:40 AM CDT (14:40 UTC)
Expired
Apr 14, 1990, 11:45 AM CDT
In force
2 hr
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
Apr 14, 11:30 AM CDTThunderstorm Wind 0Jefferson, 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, 2.7 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 1990-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 1990-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
25 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
162 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 141440
SVRBPT
TXC245-141645-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
940 AM CDT SAT APR 14 1990
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL 1145 AM CDT
FOR PERSONS IN THE FOLLOWING COUNTIES
 
IN SOUTHEAST TEXAS
 
   ...JEFFERSON COUNTY
 
 
 
 
AT 930 AM CDT...WEATHER RADAR SHOWED A SQUALL LINE EXTENDED FROM
JASPER TO KOUNTZE TO GALVESTON MOVING SOUTHEAST AT 50 MILES AN HOUR.
 
AS THE SQUALL LINE MOVES INTO THE COASTAL WATERS OF JEFFERSON
COUNTY...WIND MAY GUST TO 60 MPH ACCOMPANIED BY HAIL AND HEAVY
RAINFALL.
 
THE RAIN AND SEA SPRAY WILL REDUCE THE VISIBILITY TO NEAR ZERO AT
TIMES.  THE HIGH WINDS MAY CAPSIZE SMALL BOATS ON OPEN WATER AND
DAMAGE CAMPSITES AT SEARIM STATE PARK AND ALONG THE BEACH.
 
SMALL CRAFT SHOULD MAKE FOR SAFE HARBOR AND PERSONS MAKE FOR SAFE
SHELTER IMMEDIATELY.
 
THE SQUALL LINE WILL BE ACROSS HIGH ISLAND BY 10 AM.
 
DCG
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIeOR 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, Apr 14, 7:25 AM CDT, 2 hours 15 minutes before
TXZ033-046-141330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
725 AM CDT SAT APR 14 1990

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 9AM CDT FOR
MOST OF DEEP EAST TEXAS.

AT 720AM CDT RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM NEAR
PALESTINE TO COLLEGE STATION.  THIS LINE WAS MOVING SOUTHEAST AT
AROUND 50 MILES AN HOUR.  WITH THIS MOVEMENT THE STORMS WILL REACH THE
LUFKIN AREA SHORTLY AFTER 8AM CDT THIS MORNING.

SMALL HAIL WAS REPORTED WITH THESE STORMS AROUND 6AM CDT.  GUSTY WINDS
WILL ALSO ACCOMPANY THESE FAST MOVING STORMS.

DJ

NNNN
Special weather statement, Apr 14, 8:04 AM CDT, 1 hour 36 minutes before
TXZ033-046-141400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
804 AM CDT SAT APR 14 1990

THE SEVERE THUNDERSTORM WATCH FOR MOST OF DEEP EAST TEXAS EXPIRES AT
900AM CDT.

AT 800AM CDT THE LEADING EDGE OF THE RAIN WAS LOCATED FROM NEAR
NACOGDOCHES TO LUFKIN TO HUNTSVILLE.  THE THUNDERSTORMS WERE MOVING
SOUTHEAST AT 40 MPH.  ADDITIONAL THUNDERSTORMS WERE LOCATED FROM NORTH
OF NACOGDOCHES TO NEAR HEMPHILL.  THESE STORMS WER:E MOVING SOUTH AT 20
MPH.

NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS IN THE LAST TWO
HOURS.  PRESENT INDICATIONS ARE THAT THE WATCH WILL BE PERMITTED TO
EXPIRE AT 9AM CDT.
DJ

NNNN
Special weather statement, Apr 14, 9:02 AM CDT, 38 minutes before
TXZ033-046-048-141500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
902 AM CDT SAT APR 14 1990

...HAIL AND HIGH WINDS IN LUFKIN...

AT 840 AM...THE FLIGHT SERVICE STATION AT LUFKIN TEXAS REPORTED PEA
SIZED HAIL AND WINDS GUSTING TO 46 MILES AN HOUR ALONG WITH HEAVY RAIN
AND DANGEROUS LIGHTENING.

BOATERS AND CAMPERS ON EAST TEXAS LAKE RAYBURN... TOLEDO BEND AND
STEINHAGEN SHOULD MAKE FOR SAFE HARBOR IMMEDIATELY AND CAMPERS IN THE
EAST TEXAS PINEY WOODS AREA CAMPGROUND SHOULD MAKE FOR SAFE SHELTER.

THE STRONG WINDS CAN CAPSIZE FISHING BOATS AND DAMAGE CAMPSITES AND
CAUSE INJURY TO PERSONS PLUS THE DAMAGE AND INJURY CAUSED BY HAIL.

AT 850 AM...WEATHER RADAR SHOWED A SQUALL LINE OF THUNDERSTORMS
EXTENDED FROM HEMPHILL TO NACOGDOCHES THEN SOUTHWARD TO LUFKIN AND
LIBERTY MOVING SOUTHEAST AT 50 MILES AN HOUR.

THUNDERSTORMS CONTAINING STRONG WINDS...HEAVY RAINS AND HAIL WILL MOVE
INTO THE GOLDEN TRIANGLE AROUND 11 AM THIS MORNING.

THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER THIS SATURDAY MORNING HAS
EXPIRED AND WIDESPREAD SEVERE WEATHER IS UNLIKELY. HOWEVER...SOME
STORM MAY CONTAIN WINDS AND HAIL NEAR SEVERE LIMITS.

STAY TUNED TO PORT ARTHURS WEATHER RADIO OR YOUR LOCAL RADIO OR TV
STATION FOR THE LATEST DEVELOPEMENTS.

DCG

NNNN
Special weather statement, Apr 14, 9:27 AM CDT, 13 minutes before
TXZ048-046-033-141500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
902AM CDT SAT APR 14 1990

...HAIL AND HIGH WINDS IN LUFKIN...

AT 840AM...THE FLIGHT SERVICE STATION AT LUFKIN TEXAS REPORTED PEA
SIZE HAIL AND WINDS GUSTING TO 46 MILES AN HOUR ALONG WITH HEAVY RAIN
AND DANGEROUS LIGHTNING.

BOATERS AND CAMPERS ON EAST TEXAS LAKE RAYBURN... TOLEDO BEND AND
STEINHAGEN SHOULD MAKE FOR SAFE HARBOR IMMEDIATELY AND CAMPERS IN THE
EAST TEXAS PINEY WOODS AREA CAMPGROUND SHOULD MAKE FOR SAFE SHELTER.

THE STONG WINDS CAN CAPSIZE FISHING BOATS AND DAMAGE CAMPSITES AND
CAUSE INJURY TO PERSON PLUS THE DAMAGE AND INJURY CAUSED BY HAIL.

AT 850 AM CDT...WEATHER RADAR SHOWED A SQUALL LINE OF THUNDERSTORMS
EXTENDED FROM HEMPHILL TO NACOGDOCHES THEN SOUTHWARD TO LUFKIN AND
LIBERTY MOVING SOUTHEAST AT 50 MILES AN HOUR.

THUNDERSTORMS CONTAINING STRONG WINDS...HEAVY RAINS AND HAIL WILL
MOVE INTO THE GOLDEN TRIANGLE AROUND 11 AM CDT THIS MORNING.

THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER THIS SATURDAY MORNING
HAS EXPIRED AND WIDESPREAD SEVERE WEATHER IS UNLIKELY.  HOWEVER...
SOME STORMS MAY CONTAIN WINDS AND HAIL NEAR SEVERE LIMITS.

STAY TUNED TO PORT7 ARTHURS WEATHER RADIO OR YOUR LOCAL RADIO OR TV
STATION FOR THE LATEST DEVELOPEMENTS.

DCG/DJ
Special weather statement, Apr 14, 9:37 AM CDT, 3 minutes before
TXZ048-141530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
940AM CDT SAT APR 14 1990

....STRONG THUNDERSTORMS MOVING RAPIDLY FOR THE GOLDEN TRIANGLE...

AT 940AM A LINE OF STRONG THUNDERSTORMS FROM KOUNTZE TO GALVESTON WAS
 MOVING TOWARD BEAUMONT AT 50 MPH.  THESE STORMS HAVE A HISTORY OF
GUSTY WINDS AND SMALL HAIL.  THE STORMS WILL MOVE INTO BEAUMONT BY 10
AM CDT AND THROUGH THE REST OF THE GOLDEN TRIANGLE SHORTLY
THERaEAFTER.

ALL RESIDENTS SHOULD BE PREPARED FOR GUSTY WINDS AND POSSIBLE HAIL.

WINDS HAVE GUSTED AS HIGH AS 56 MPH IN HOUSTON DURING THE PAST HOUR.
DJ

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.