Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 49, NWS Lake Charles, LA

May 18, 1989Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 18, 1989, 2:03 PM CDT for Tyler County, Texas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 18, 1989, 2:03 PM CDT (19:03 UTC)
Expired
May 18, 1989, 3:00 PM CDT
In force
57 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County 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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.1 hours before the alert went out and 134 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 1989-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 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 1989-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.19395878Sfc1 km3 km6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
353 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 181903
SVRBPT
TXC241-351-457-182000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
203 PM CDT THU MAY 18 1989
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST TEXAS
          ...JASPER...NEWTON...SOUTHEASTERN TYLER
 
AT 2 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM MOVING NORTHEAST INTO
THE CENTRAL PART OF JASPER COUNTY. THIS IS A VERY LARGE THUNDERSTORM
AND IT WILL CAUSE WIND DAMAGE AND PRODUCE LARGE HAIL.
 
 
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

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 8:07 PM CDTFlash Flood WarningLCHAngelina, Nacogdoches, San Augustine2 hr
May 17, 10:12 PM CDTFlash Flood WarningLCHHardin, Jasper, Tyler3 hr
May 17, 10:12 PM CDTFlash Flood WarningLCHNacogdoches3 hr
May 17, 10:24 PM CDTSevere Thunderstorm WarningLCHHardin66 min
May 17, 10:43 PM CDTFlash Flood WarningLCHNewton3 hr
May 18, 1:29 AM CDTFlash Flood WarningLCHNewton2 hr
May 18, 1:29 AM CDTFlash Flood WarningLCHHardin, Jasper2 hr
May 18, 6:20 AM CDTFlash Flood WarningLCHHardin, Jasper, Jefferson, Newton, Orange5 hr
May 18, 6:20 AM CDTFlash Flood WarningLCHTyler5 hr
May 18, 11:09 AM CDTFlash Flood WarningLCHHardin2 hr
May 18, 12:07 PM CDTFlash Flood WarningLCHJasper, Newton2 hr
May 18, 12:22 PM CDTFlash Flood WarningLCHOrange2 hr
May 18, 1:23 PM CDTFlash Flood WarningLCHHardin2 hr
May 18, 2:03 PM CDTSevere Thunderstorm WarningLCHJasper, Newton57 min
May 18, 2:09 PM CDTFlash Flood WarningLCHJasper, Newton2 hr
May 18, 3:30 PM CDTFlash Flood WarningLCHHardin3 hr
May 18, 4:21 PM CDTFlash Flood WarningLCHNewton3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1989Every severe thunderstorm warning in 1989

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.