Alert archive / Texas / Tornado Warnings in 1986

Tornado Warning 16, NWS Austin/San Antonio, TX

May 30, 1986Lavaca County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 30, 1986, 2:21 PM CDT for Lavaca County, Texas. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
May 30, 1986, 2:21 PM CDT (19:21 UTC)
Expired
May 30, 1986, 3:15 PM CDT
In force
54 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Lavaca 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

Victoria Regiona, TX (KVCT), launched 12:00Z, 7.4 hours before the alert went out and 59 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, Victoria Regiona, TX at 12:00Z on 1986-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 690 joules per kilogram.LCLLFCEL10008507005003002001001 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, Victoria Regiona, TX at 12:00Z on 1986-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939Sfc1 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
690 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
74 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 
TTAAOO KVCT 301921
TORVCT
TXC285-302015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
221 PM CDT FRI MAY 30 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  315 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN SOUTH CENTRAL TEXAS
          ..LAVACA

AT 215 PM CDT SHERIFF OFFICE REPORTED A TORNADO TOUCHED DOWN ABOUT
5 MILES EAST OF HALLETTSVILLE TEXAS MOVING WEST SOUTHWEST ABOUT 10
MILES AN HOUR.
 
IF THREATENING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY..AND YOU SHOULD ASK YOUR NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE NATIONAL WEATHER SERVICE
O[FFICE.
 
IF YOU ARE CAUGHT OUTSIDE, SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT, SEEK SHELTER IN A CULVERT, DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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.