Alert archive / Texas / Tornado Warnings in 1986

Tornado Warning 6, NWS Houston/Galveston, TX

June 5, 1986Polk County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jun 5, 1986, 4:26 PM CDT for Polk County, Texas. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Jun 5, 1986, 4:26 PM CDT (21:26 UTC)
Expired
Jun 5, 1986, 5:00 PM CDT
In force
34 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Polk 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, 9.4 hours before the alert went out and 173 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 1986-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1932 joules per kilogram.LCLEL10008507005003002001001 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 1986-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
1932 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KHOU 052126
TORHOU
TXC373-052200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON TX
426 PM CDT THU JUN 5 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

TEXAS...NORTHERN POLK

THE NATIONAL WEATHER SERVICE HAS RECEIVED A REPORT OF TWO FUNNEL
CLOUDS NEAR ONALASKA..IN POLK COUNTY.  ONE REPOTEDLY TOUCHED
DOWN.  RADAR SHOWS A CLUSTER OF HEAVY THUNDERSTORMS IN THAT
AREA MOVING NORTHEAST ACROSS THE NORTHERN PORTION OF THE COUNTY.

 PERSONS SHOULD REMAIN ALERT AND BE PREPARED TO SEEK SAFE SHELTER
 IF THREATENING WEATHER IS SIGHTED OR REPORTED IN YOUR AREA.

 SEEK SAFETY IMMEDIATELY...AND IF INDOORS...IN SMALL ROOMS AWAY
 FROM WINDOWS..AND PREFERABLY UNDER HEAVY FURNITURE.

Nearby

Tornado Warnings in Texas, 1986Every tornado warning in 1986Tornadoes in 1986

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.