Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 132, NWS Austin/San Antonio, TX

June 6, 1997Zavala County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 6, 1997, 12:37 PM CDT for Zavala County, Texas. It was in force for 68 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 6, 1997, 12:37 PM CDT (17:37 UTC)
Expired
Jun 6, 1997, 1:45 PM CDT
In force
68 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 68 km from the middle of the area, began a volume at 17:40 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 6, 12:45 PM CDTHail 0.75Batesville, 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.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 5.6 hours before the alert went out and 119 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 12:00Z on 1997-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2302 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, Del Rio, TX at 12:00Z on 1997-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 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
2302 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 061738
SVRSAT
TXC507-061845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1237 PM CDT FRI JUN 6 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...ZAVALA COUNTY
 
AT SEVERE THUNDERSTORM WAS INDICATED NEAR BATESVILLE MOVING NORTHEAST
NEAR 10 MPH ALONG HIGHWAY 187 AND 57. THIS STORM CONTAINS BLINDING
HEAVY RAIN AND POSSIBLE LARGE HAIL...ALONG WITH STRONG WINDS.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.
 
THIS IS A DANGEROUS STORM...TAKE COVER IMMEDIATELY IF YOU ARE IN
ITS PATH.  FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR BUILDING...STAY AWAY FROM WINDOWS!  SEVERE
THUNDERSTORMS CAN CAUSE AS MUCH DAMAGE AS A TORNADO.
 
IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO
THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE
NATIONAL WEATHER SERVICE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 7:46 PM CDTSevere Thunderstorm WarningEWXMaverick59 min
Jun 6, 9:23 AM CDTFlash Flood WarningEWXBurnet2 hr
Jun 6, 11:15 AM CDTFlash Flood WarningEWXBurnet4 hr
Jun 6, 12:28 PM CDTFlash Flood WarningEWXEdwards2 hr
Jun 6, 12:28 PM CDTSevere Thunderstorm WarningEWXEdwards2 hr
Jun 6, 1:39 PM CDTFlash Flood WarningEWXGillespie, Kerr3 hr
Jun 6, 1:50 PM CDTFlash Flood WarningEWXReal3 hr
Jun 6, 2:20 PM CDTFlash Flood WarningEWXEdwards3 hr
Jun 6, 2:43 PM CDTSevere Thunderstorm WarningEWXKinney62 min
Jun 6, 3:01 PM CDTFlash Flood WarningEWXKinney3 hr
Jun 6, 3:14 PM CDTFlash Flood WarningEWXDimmit, Zavala3 hr
Jun 6, 3:31 PM CDTFlash Flood WarningEWXBlanco, Kendall2 hr
Jun 6, 4:28 PM CDTFlash Flood WarningEWXHays, Travis2 hr
Jun 6, 4:53 PM CDTFlash Flood WarningEWXComal2 hr
Jun 6, 4:56 PM CDTFlash Flood WarningEWXLee2 hr
Jun 6, 5:09 PM CDTFlash Flood WarningEWXBastrop3 hr
Jun 6, 5:16 PM CDTFlash Flood WarningEWXBexar3 hr
Jun 6, 5:30 PM CDTFlash Flood WarningEWXGuadalupe2 hr
Jun 6, 5:34 PM CDTSevere Thunderstorm WarningEWXDimmit56 min
Jun 6, 5:36 PM CDTFlash Flood WarningEWXFayette2 hr
Jun 6, 5:58 PM CDTFlash Flood WarningEWXCaldwell3 hr
Jun 6, 6:30 PM CDTFlash Flood WarningEWXWilson2 hr
Jun 6, 6:37 PM CDTFlash Flood WarningEWXGonzales2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning 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.