Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 21, NWS Lake Charles, LA

December 19, 1987Hardin County, Tyler County, Texas

NWS Lake Charles, LA issued this tornado warning at Dec 19, 1987, 2:00 PM CST for Hardin County, Tyler County, Texas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Dec 19, 1987, 2:00 PM CST (20:00 UTC)
Expired
Dec 19, 1987, 3:00 PM CST
In force
60 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Hardin County, TX, 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, 8.0 hours before the alert went out and 123 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 1987-12-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 1987-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.19395878Sfc1 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
4 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
340 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 192002
TORBPT
TXC199-457-192100-

BULLETIN-EBS ACTIVATION REQUESTED

TORNADO WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
200PM CST SAT DEC 19 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING FOR PERSONS
IN THE FOLLOWING COUNTIES OF
                 HARDIN AND TYLER
TEXAS...UNTIL 3PM CST.

AT 2PM CST RADAR INDICATED A POSSIBLE TORNADO JUST NORTH OF KOUNTZE
MOVING NORTHEAST INTO SOUTHERN TYLER COUNTY TEXAS.

IF THREATENING WEATHER IS SIGHTED MOVE TO A PLACE OF SAFETY.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 19, 1:06 PM CSTSevere Thunderstorm WarningLCHSabine, San Augustine54 min
Dec 19, 1:40 PM CSTSevere Thunderstorm WarningLCHHardin, Jasper, Sabine, San Augustine, Tyler50 min
Dec 19, 2:25 PM CSTSevere Thunderstorm WarningLCHJasper, Newton50 min
Dec 19, 3:05 PM CSTSevere Thunderstorm WarningLCHHardin55 min
Dec 19, 3:17 PM CSTTornado WarningLCHHardin, Jasper43 min

Nearby

Tornado Warnings in Texas, 1987Every tornado warning in 1987Tornadoes in 1987

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.