Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 11, NWS Austin/San Antonio, TX

June 8, 1997Val Verde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jun 8, 1997, 9:26 PM CDT for Val Verde County, Texas. It was in force for 64 min. 1 report 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
Jun 8, 1997, 9:26 PM CDT (02:26 UTC)
Expired
Jun 8, 1997, 10:30 PM CDT
In force
64 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 109 km from the middle of the area, began a volume at 02:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 8, 9:54 PM CDTTornado F0Langtry, TXA small F0 tornado was sighted by a train engineer near Langtry.

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 8, 7:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.4 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 1997-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2203 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1997-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
2203 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1290 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.9
Supercell composite
8.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 090227 RRA
TORSAT
TXC465-090330-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
926 PM CDT SUN JUN 8 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...VAL VERDE COUNTY
 
AT 930 PM NATIONAL WEATHER SERVICE RADAR INDICATED A TORNADIC
THUNDERSTORM 15 MILES WEST OF THE VAL VERDE COUNTY LINE JUST NORTH OF
THE RIO GRANDE RIVER. THIS STORM WAS MOVING EAST SOUTHEAST AT 15 TO 20
MPH. THIS STORM WILL ENTER VAL VERDE COUNTY ALONG HIGHWAY 90 AROUND 10
PM AND APPROACH LANGTRY AROUND 1015 PM.
 
THIS IS A DANGEROUS STORM.  PEOPLE IN OR NEAR THE PATH OF THIS STORM SHO
DTAKE IMMEDIATE ACTION TO PROTECT THEIR LIVES.  GO TO THE CENTER ON THE L
EFLOOR OF YOUR BUILDING...COVER YOUR HEAD.  STAY AWAY FROM DOORS AND WIND
SDO NOT STAY IN MOBILE HOMES OR VEHICLES...GET INTO A STURDY BUILDING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:34 PM CDTSevere Thunderstorm WarningEWXVal Verde116 min
Jun 8, 8:49 PM CDTTornado WarningEWXVal Verde56 min
Jun 8, 9:10 PM CDTSevere Thunderstorm WarningEWXLlano35 min
Jun 8, 10:06 PM CDTTornado WarningEWXEdwards69 min
Jun 8, 11:09 PM CDTFlash Flood WarningEWXBlanco3 hr
Jun 8, 11:33 PM CDTFlash Flood WarningEWXHays3 hr
Jun 8, 11:45 PM CDTFlash Flood WarningEWXComal3 hr
Jun 8, 11:45 PM CDTFlash Flood WarningEWXTravis, Williamson3 hr
Jun 9, 12:26 AM CDTFlash Flood WarningEWXBexar3 hr
Jun 9, 12:38 AM CDTFlash Flood WarningEWXVal Verde3 hr
Jun 9, 12:45 AM CDTFlash Flood WarningEWXBurnet4 hr
Jun 9, 2:23 AM CDTFlash Flood WarningEWXHays3 hr
Jun 9, 2:39 AM CDTFlash Flood WarningEWXComal3 hr
Jun 9, 2:39 AM CDTFlash Flood WarningEWXTravis, Williamson3 hr
Jun 9, 5:08 AM CDTFlash Flood WarningEWXHays, Travis, Williamson4 hr
Jun 9, 5:08 AM CDTFlash Flood WarningEWXComal4 hr

Nearby

Tornado Warnings in Texas, 1997Every tornado warning in 1997Tornadoes in 1997

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; radar from the NEXRAD Level II archive.