Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 13, NWS Austin/San Antonio, TX

June 3, 1987Lavaca County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jun 3, 1987, 2:24 PM CDT for Lavaca County, Texas. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 3, 1987, 2:24 PM CDT (19:24 UTC)
Expired
Jun 3, 1987, 3:20 PM CDT
In force
56 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 1987-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 829 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, Victoria Regiona, TX at 12:00Z on 1987-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
829 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KVCT 031929 COR
TORVCT
TXC285-032020-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING...CORRECTION
NATIONAL WEATHER SERVICE VICTORIA TX
224 PM CDT WED JUN 3 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 320 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTH CENTRAL TEXAS...LAVACA

AT 215 PM CDT A TORNADO WAS REPORTED BY THE SHERRIFS OFFICE
AT THE JUNCTION OF 77N AND 111 IN SOUTHERN LAVACA COUNTY. MOVING
TOWARD THE NORTHEAST AT 25 MPH.

FREQUENT LIGHTNING..STRONG DAMAGING WINDS AND LARGE HAIL WILL
LIKELY ACCOMPANY THIS STORM.

IF YOU ARE IN THE PATH OF THIS STORM..GO TO A BASEMENT SHELTER
OR A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUILDING.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE
OFFICE.

PLEASE LISTEN TO YOUR LOCAL RADIO..TV OR NOAA WEATHER: RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER
EVENT.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 7:16 PM CDTFlash Flood WarningEWXBexar3 hr
Jun 2, 7:17 PM CDTFlash Flood WarningEWXFayette3 hr
Jun 2, 9:20 PM CDTFlash Flood WarningEWXGuadalupe3 hr
Jun 2, 10:16 PM CDTFlash Flood WarningEWXGonzales, Wilson2 hr
Jun 2, 10:16 PM CDTFlash Flood WarningEWXBexar2 hr
Jun 3, 3:04 AM CDTFlash Flood WarningEWXEdwards, Kerr, Real116 min
Jun 3, 4:00 AM CDTSevere Thunderstorm WarningEWXVal Verde60 min
Jun 3, 4:20 AM CDTFlash Flood WarningEWXVal Verde4 hr
Jun 3, 4:57 AM CDTFlash Flood WarningEWXKerr, Real2 hr
Jun 3, 5:22 AM CDTFlash Flood WarningEWXUvalde2 hr
Jun 3, 7:56 AM CDTFlash Flood WarningEWXMedina3 hr
Jun 3, 8:00 AM CDTFlash Flood WarningEWXVal Verde4 hr
Jun 3, 9:56 AM CDTFlash Flood WarningEWXWebb2 hr
Jun 3, 10:44 AM CDTFlash Flood WarningEWXBandera, Kendall4 hr
Jun 3, 10:44 AM CDTFlash Flood WarningEWXMedina4 hr
Jun 3, 12:54 PM CDTFlash Flood WarningEWXKerr3 hr
Jun 3, 2:09 PM CDTFlash Flood WarningEWXGonzales111 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.