Alert archive / Texas / Tornado Warnings in 1989

Tornado Warning 3, NWS Lake Charles, LA

March 29, 1989Nacogdoches County, Texas

NWS Lake Charles, LA issued this tornado warning at Mar 29, 1989, 1:50 AM CST for Nacogdoches County, Texas. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Mar 29, 1989, 1:50 AM CST (07:50 UTC)
Expired
Mar 29, 1989, 2:15 AM CST
In force
25 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Nacogdoches 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

Longview/Gregg, TX (KGGG), launched 00:00Z, 7.8 hours before the alert went out and 82 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, Longview/Gregg, TX at 00:00Z on 1989-03-29Temperature 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, Longview/Gregg, TX at 00:00Z on 1989-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 405 square meters per square second.193958Sfc1 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
596 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
405 m²/s²
0-3 km storm-relative helicity
567 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 290749
TORBPT
TXC347-290815-

BULLETIN-EBS ACTIVATION REQUESTED

TORNADO WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
150 AM CST WED MAR 29 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING FOR PERSONS
IN THE FOLLOWING COUNTIES OF

EAST TEXAS...NACOGDOCHES

AT 140 AM CST THE PUBLIC REPORTED A TORNADO 2 MILES WEST OF
NACOGDOCHES. THE TORNADO WAS MOVING TO THE NORTHEAST AT 40 MPH.
PERSONS IN NACOGDOCHES...REDFIELD...AND APPLEBY ARE IN THE PATHs OF 
THIS DANGEROUS STORM.

TAKE COVER NOW...AND COVER YOUR BODY WITH A MATRESS OR OTHER 
ARTICLES SUCH AS BLANKETS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 12:15 AM CSTSevere Thunderstorm WarningLCHHardin, Jasper30 min
Mar 29, 2:30 AM CSTTornado WarningLCHAngelina15 min
Mar 29, 3:15 AM CSTFlash Flood WarningLCHNacogdoches105 min

Nearby

Tornado Warnings in Texas, 1989Every tornado warning in 1989Tornadoes 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.