Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 3, NWS Austin/San Antonio, TX

March 16, 1987Uvalde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 16, 1987, 8:32 PM CST for Uvalde County, Texas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued: Mar 16, 1987, 8:32 PM CST (02:32 UTC)
Expired: Mar 16, 1987, 9:30 PM CST
In force: 58 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Uvalde 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

Del Rio, TX (KDRT), launched 00:00Z, 2.5 hours before the alert went out and 104 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1799 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1090 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 309 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 170232
TORSAT
TXC463-170330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
832 PM CST MON MAR 16 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 930 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTH CENTRAL TEXAS...UVALDE

AT 830 PM CST...A TORNADO WAS REPORTED BY THE PUBLIC ABOUT 5 MILES
WEST OF UVALDE.  THE MOVEMENT WAS EAST AT 25 MILES AN HOUR.

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

 RESIDENTS IN THE CITY OF UVALDE SHOULD TAKE COVER IMMEDIATELY.

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.

Issued	Product	Office	Counties	Lasted
Mar 16, 6:21 PM CST	Tornado Warning	EWX	Kinney	54 min
Mar 16, 6:47 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	58 min
Mar 16, 7:15 PM CST	Severe Thunderstorm Warning	EWX	Kinney	60 min
Mar 16, 7:19 PM CST	Severe Thunderstorm Warning	EWX	Edwards	56 min
Mar 16, 7:35 PM CST	Severe Thunderstorm Warning	EWX	Real, Uvalde	55 min
Mar 16, 8:01 PM CST	Severe Thunderstorm Warning	EWX	Maverick	44 min
Mar 16, 8:46 PM CST	Severe Thunderstorm Warning	EWX	Zavala	44 min
Mar 16, 8:57 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Medina	63 min
Mar 16, 9:28 PM CST	Severe Thunderstorm Warning	EWX	Frio	62 min
Mar 16, 9:58 PM CST	Severe Thunderstorm Warning	EWX	Medina	62 min

Nearby

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