Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 4, NWS Austin/San Antonio, TX

May 3, 1987Caldwell County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 3, 1987, 11:44 PM CDT for Caldwell County, Texas. It was in force for 61 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 3, 1987, 11:44 PM CDT (04:44 UTC)
Expired
May 4, 1987, 12:45 AM CDT
In force
61 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Caldwell County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
May 3, 11:44 PM CDTTornado F1Caldwell, TX
May 3, 11:44 PM CDTTornado F1Caldwell, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Victoria Regiona, TX (KVCT), launched 00:00Z, 4.7 hours before the alert went out and 130 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 00:00Z on 1987-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3052 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 00:00Z on 1987-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
3052 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 040444
TORAUS
TXC055-040545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
1144 PM CDT SUN MAY 3 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1245 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

TEXAS...CALDWELL

AT 1135 PM CDT RADAR AND SATILITE INDICATED A POSSIBLE TORNADO
OVER SOUTHERN CALDWELL COUNTY JUST SOUTH OF LOCKHART.
THIS AREA OF THUNDERSTORMS WAS MOVING EAST AT NEAR 15 MPH.

THIS IS A DANGEROUS STORM.  TAKE COVER IMMEDIATELY !

THIS STORM MAY BE ACCOMPANIED BY STRONG DAMAGING WINDS..HAIL AND
FREQUENT LIGHTNING.

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 10:12 PM CDTSevere Thunderstorm WarningEWXTravis63 min
May 3, 10:37 PM CDTSevere Thunderstorm WarningEWXWilliamson68 min
May 3, 11:10 PM CDTSevere Thunderstorm WarningEWXCaldwell65 min
May 4, 12:09 AM CDTTornado WarningEWXGonzales66 min
May 4, 12:56 AM CDTSevere Thunderstorm WarningEWXLavaca64 min
May 4, 1:39 AM CDTSevere Thunderstorm WarningEWXEdwards66 min
May 4, 2:47 AM CDTSevere Thunderstorm WarningEWXBandera, Edwards, Kerr, Real, Uvalde58 min
May 4, 2:47 AM CDTSevere Thunderstorm WarningEWXKinney58 min
May 4, 3:47 AM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde58 min
May 4, 3:47 AM CDTSevere Thunderstorm WarningEWXKendall, Kerr58 min
May 4, 4:39 AM CDTSevere Thunderstorm WarningEWXBandera, Medina66 min
May 4, 5:59 AM CDTSevere Thunderstorm WarningEWXBexar61 min
May 4, 6:21 AM CDTSevere Thunderstorm WarningEWXGuadalupe, Wilson69 min
May 4, 6:39 AM CDTSevere Thunderstorm WarningEWXMaverick66 min
May 4, 7:37 AM CDTSevere Thunderstorm WarningEWXZavala68 min
May 4, 10:17 AM CDTSevere Thunderstorm WarningEWXDimmit73 min
May 4, 11:49 AM CDTSevere Thunderstorm WarningEWXWebb56 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.