Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 12, NWS Austin/San Antonio, TX

May 28, 1987Val Verde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 28, 1987, 7:05 PM CDT for Val Verde County, Texas. It was in force for 70 min.

The area

The counties it named.

The facts

Issued
May 28, 1987, 7:05 PM CDT (00:05 UTC)
Expired
May 28, 1987, 8:15 PM CDT
In force
70 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde 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, 0.1 hours before the alert went out and 66 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, Del Rio, TX at 00:00Z on 1987-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4195 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 1987-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
4195 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
880 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
2.3
Supercell composite
10.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDRT 290003
TORDRT
TXC465-290115-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DEL RIO TX
705 PM CDT THU MAY 28 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN

SOUTHCENTRAL TEXAS...VAL VERDE.

AT 700 PM CDT RADAR INDICATED A POSSIBLE TORNADO 30 MILES WEST
OF DEL RIO MOVING TO THE EAST AT 10 MPH. PEOPLE IN THE DEL RIO
AREA SHOULD TAKE COVER NOW.

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE IN
THE PATH OF THIS TORNADO MOVE TO A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH
OR CULV
ERT BUT REMAIN ALERT FOR FLASH FLOODING.

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, May 28, 2:06 PM CDT, 4 hours 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
205 PM CDT THU MAY 28 1987

...TORNADO WATCH IS IN EFFECT UNTIL 1000 PM CDT FOR VAL VERDE COUNTY
INCLUDING THE CITY OF DEL RIO...

AT 200 PM RADAR INDICATED NO THUNDERSTORMS OR RAINSHOWERS IN VAL
VERDE COUNTY. HOWEVER WITH THE UNSTABLE ATMOSPHERE AND MOIST
SOUTHEAST FLOW THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, May 28, 3:22 PM CDT, 3 hours 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
322 PM CDT THU MAY 28 1987

...TORNADO WATCH IS IN EFFECT UNTIL 1000 PM CDT FOR VAL VERDE COUNTY
INCLUDING THE CITY OF DEL RIO...

AT 315 PM RADAR INDICATED A STRONG THUNDERSTORM WAS NEAR LANGTRY AND
WAS MOVING NORTH AT 5 MILES AN HOUR. NO OTHER THUNDERSTORMS WERE
OCCURRING IN VAL VERDE COUNTY.

CAMPERS AND FISHERMEN ON THE RIO GRANDE AND PECOS RIVERS NEAR THE
PECOS HIGH BRIDGE SHOULD REMAIN ALERT AND MOVE TO A PLACE OF SAFTEY
IF THE STORM BECOMES THREATENING.

HEAVY RAIN...GUSTY WINDS SMALL HAIL AND DANGEROUS LIGHTNING ARE
QUITE LIKELY FROM THIS STORM.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, May 28, 4:12 PM CDT, 2 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
408 PM CDT THU MAY 28 1987

...TORNADO WATCH IS IN EFFECT UNTIL 1000 PM CDT FOR VAL VERDE COUNTY
INCLUDING THE CITY OF DEL RIO...

AT 339 PM CDT LAUGHLIN RADAR INDICATED AN INTENSE THUNDERSTORM ALONG
THE VAL VERDE AND TERREL COUNTY LINE MOVING NORTH AT AROUND 20 MPH.
THIS STORM WAS VERY CLOSE TO HIGHWAY 90S CROSSING POINT OF THE
COUNTY LINE.

MOTORISTS IN THIS AREA SHOULD BE ESPECIALLY ALERT FOR DECREASED
VISIBLITY IN HEAVY RAIN AND GUSTY WINDS WHICH WILL MAKE DRIVING
DIFFICULT.

THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS WITH THE UNSTABLE
ATMOSPHERE AND MOIST SOUTHEAST FLOW.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE) FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, May 28, 4:37 PM CDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
438 PM CDT THU MAY 28 1987

...TORNADO WATCH IS IN EFFECT UNTIL 1000 PM CDT FOR VAL VERDE COUNTY
INCLUDING THE CITY OF DEL RIO...

AT 430 PM CDT LAUGHLIN RADAR INDICATED A LINE OF VERY STRONG
THUNDERSTORMS  FROM THE VAL VERDE COUNTY LINE EAST TO LANGTRY MOVING
EAST AT AROUND 15 MPH. THE STORMS WERE OVER AND CLOSE TO HIGHWAY 90.
MOTORISTS IN THE LANGTRY AREA HAVE REPORTED HAIL.

MOTORISTS IN THIS AREA SHOULD BE ESPECIALLY ALERT FOR
DAMAGING HAIL DECREASED VISIBLITY IN HEAVY RAIN AND STRONG GUSTY
WINDS WHICH WILL MAKE DRIVING DIFFICULT.

THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS WITH THE UNSTABLE
ATMOSPHERE AND MOIST SOUTHEAST FLOW.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEM9ENTS AND POSSIBLE
WARNINGS.
Special weather statement, May 28, 6:12 PM CDT, 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
610 PM CDT THU MAY 28 1987

...TORNADO WATCH IN EFFECT FOR TEXAS HILL COUNTRY UNTIL 10 PM TONIGHT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM TONIGHT FOR THE TEXAS HILL
COUNTRY AND EDWARDS PLATEAU ALONG AND NORTH AND WEST OF A LINE FROM
JUNCTION TO UVALDE TO DEL RIO.  THE CITIES OF JUNCTION...UVALDE AND
DEL RIO ARE INCLUDED IN THE WATCH.

A SEVERE THUNDERSTORM WARNING HAS ALREADY BEEN ISSUED FOR PERSONS IN VAL
VERDE COUNTY UNTIL 645 PM CDT THIS EVENING.  A SEVERE THUNDERSTORM WAS
INDICATED BY RADAR 25 MILES SOUTHWEST OF COMSTOCK MOVING TO THE EAST AT
15 MILES AN HOUR.  IN ADDITION...INTENSE THUNDERSTORMS HAVE CONTINUED TO
DEVELOP THIS EVENING FROM WEST OF DEL RIO NORTHWARD TO SAN ANGELO...
EXTENDING INTO THE ABILENE AREA.  THE THUNDERSTORMS WILL LIKELY MOVE
INTO WESTERN PORTIONS OF THE HILL CONURTY AND THE EDWARDS PLATEAU THIS
EVENING AND EARLY FRIDAY MORNING.
<
THE THUNDERSTORMS THAT MOVE INTO THESE AREAS WILL HAVE THE POTENTIAL FOR
LARGE HAIL...DAMAGING WINDS...AND EVEN TORNADOES. IN ADDITION TO THESE
FORMS OF SEVERE WEATHER...THE STORMS WILL LIKELY PRODUCE VERY FREQUENT
AND DEADLY LIGHTNING AND BRIEF BUT HEAVY DOWNPOURS.

EVERYONE IN THE WATCH AREA SHOULD REMAIN ALERT TO THIS THREAT OF SEVERE
WEATHER THROUGH THE REMAINDER OF THIS EVENING AND TONIGHT.  CAMPERS
SHOULD CONTINUE TO MONITOR A RELIABLE SOURCE OF WEATHER INFORMATION
AND BE READY TO MOVE TO A SUBSTANTIAL AND NEARBY SHELTER IF NECESSARY.
RESIDENTS IN THE AREA SHOULD KEEP UP TO DATE ON THE LATEST STATEMENTS
AS WELL.  MOTORISTS SHOULD TRAVEL CAUTIOUSLY WHEN NEAR THE MORE INTENSE
THUNDERSTORMS...VISIBILITY MAY LOWER RAPIDLY...STREETS AND ROADS MAY
BECOME SLICK AND WINDS MAY BE GUSTY AT TIMES.  FLOODING OF LOW LYING
AND POORLY DRAINED AREAS IS ALSO POSSIBLE NEAR THESE INTENSE STORMS.

STAY TUNED TO LOCAL RADIO...TV OR NOAA WEATHER RADIO.

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:20 PM CDTSevere Thunderstorm WarningEWXVal Verde70 min
May 28, 9:13 PM CDTSevere Thunderstorm WarningEWXKinney62 min
May 28, 9:55 PM CDTSevere Thunderstorm WarningEWXVal Verde65 min
May 28, 10:18 PM CDTSevere Thunderstorm WarningEWXKinney57 min
May 28, 11:14 PM CDTSevere Thunderstorm WarningEWXKinney61 min
May 29, 12:24 AM CDTSevere Thunderstorm WarningEWXReal, Uvalde66 min
May 29, 12:24 AM CDTSevere Thunderstorm WarningEWXKinney66 min
May 29, 1:35 AM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde55 min
May 29, 2:32 AM CDTSevere Thunderstorm WarningEWXBandera, Medina58 min
May 29, 2:35 AM CDTSevere Thunderstorm WarningEWXVal Verde2 hr
May 29, 3:14 AM CDTFlash Flood WarningEWXTravis, Williamson2 hr
May 29, 3:19 AM CDTFlash Flood WarningEWXBandera, Kendall, Kerr, Real4 hr
May 29, 3:19 AM CDTFlash Flood WarningEWXMedina, Uvalde4 hr
May 29, 3:30 AM CDTSevere Thunderstorm WarningEWXBandera, Kerr, Real, Uvalde60 min
May 29, 3:30 AM CDTSevere Thunderstorm WarningEWXKendall60 min
May 29, 3:30 AM CDTSevere Thunderstorm WarningEWXMedina60 min
May 29, 4:39 AM CDTFlash Flood WarningEWXBastrop, Caldwell, Hays4 hr
May 29, 4:39 AM CDTFlash Flood WarningEWXLee4 hr
May 29, 4:39 AM CDTFlash Flood WarningEWXBlanco4 hr
May 29, 4:55 AM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde65 min
May 29, 4:58 AM CDTSevere Thunderstorm WarningEWXKinney, Maverick62 min
May 29, 7:27 AM CDTFlash Flood WarningEWXBandera, Medina, Uvalde4 hr
May 29, 11:58 AM CDTFlash Flood WarningEWXEdwards, Kerr, Real3 hr
May 29, 1:32 PM CDTSevere Thunderstorm WarningEWXKerr58 min
May 29, 2:23 PM CDTFlash Flood WarningEWXEdwards, Kerr, Real3 hr

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.