Alert archive / Texas / Tornado Warnings in 1987
Tornado Warning 16, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Sep 28, 1987, 5:43 PM CDT for Uvalde County, Texas. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Sep 28, 1987, 5:43 PM CDT (22:43 UTC)
- Expired
- Sep 28, 1987, 6:30 PM CDT
- In force
- 47 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 12:00Z, 10.7 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.
- Mixed-layer CAPE
- 1186 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 282243
TORSAT
TXC463-282330-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
543 PM CDT MON SEP 28 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...UVALDE
NATIONAL WEATHER SERVICE RADAR INDICATES A POSSIBLE TORNADO OVER
UVALDE COUNTY...ABOUT 15 MILES WEST OF THE CITY OF UVALDE. THE
STORM IS MOVING SOUTH AT 20 MILES AN HOUR.
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.
LARGE HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN WILL LIKELY
ACCOMPANY THIS STORM.
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
LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Sep 28, 4:36 PM CDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 435 PM CDT MON SEP 28 1987 ...SEVERE THUNDERSTORM WARNING FOR KERR AND NORTHEASTERN EDWARDS COUNTY HAS EXPIRED... THE SEVERE THUNDERSTORM WARNING FOR KERR AND NORTHEASTERN EDWARDS COUNTY HAS EXPIRED. ALTHOUGH A STRONG THUNDERSTORM CONTINUES IN NORTHERN KERR COUNTY...THE THUNDERSTORM HAS DECREASED IN INTENSITY DURING THE LAST HOUR...AND NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED. A LINE OF SHOWERS AND HEAVY THUNDERSTORMS CONTINUE FROM ROCKSPRINGS TO MOUNTAIN HOME AHEAD OF A COLD FRONT IN NORTH CENTRAL TEXAS. THE LINE OF THUNDERSTORMS ARE MOVING TO THE SOUTH AT 15 MPH. BRIEF HEAVY RAINS...STRONG GUSTY WINDS AND POSSIBLE SMALL HAIL COULD OCCUR WITH THESE THUNDERSTORMS AS THEY MOVE SOUTH. STAY TUNED TO YOUR LOCAL RADIO...TV...OR NOAA WEATHER RADIO STATION FOR ADDITIONAL STATEMENTS.
Special weather statement, Sep 28, 4:46 PM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 445 PM CDT MON 28 SEP 1987 ...STILL NO THUNDERSTORMS CLOSE TO THE AUSTIN AREA... AT 440 PM...RADAR SHOWED A MODERATE THUNDERSHOWER WEST OF COLLEGE STATION AND ANOTHER ABOUT 20 MILES SOUTHEAST OF JUNCTION. WIDELY SCATTERED MOSTLY LIGHT SHOWERS DOTTED THE COASTAL SECTIONS. ALL SHOWERS WERE MOVING TOWARDS THE SOUTH AND SOUTHWEST AT 15 MPH. THE FLASH FLOOD WATCH WHICH HAS BEEN PLACED IN EFFECT FOR TONIGHT FOR PARTS OF SOUTHEAST AND COASTAL TEXAS...DOES INCLUDE BOTH MILAM AND BURLESON COUNTIES...BOTH IMMEDIATEDLY WEST AND NORTHWEST OF COLLEGE STATION.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 3:10 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr | 65 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.