Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 97, NWS Austin/San Antonio, TX

May 10, 1995Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 10, 1995, 9:35 PM CDT for Val Verde County, Texas. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 10, 1995, 9:35 PM CDT (02:35 UTC)
Expired
May 10, 1995, 10:30 PM CDT
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.6 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 1995-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 450 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 00:00Z on 1995-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.1939587897Sfc1 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
450 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
2739 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 110237
SVRSAT
TXC465-110330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
935 PM CDT WED MAY 10 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...VAL VERDE COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED IN THE CITY OF DEL AREA WITH HAIL
NEAR 3/4 INCH DIAMETER AND WIND GUSTS OF 30 TO 40 KNOTS ALREADY REPORTED
WITH THIS STORM. THIS STORM WILL MOVE NORTHEASTWARD ACROSS SOUTHERN VAL
VERDE COUNTY FOR THE NEXT 30 MINUTES TO 1 HOUR.
 
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.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM.
 
 
 
&

What forecasters said that day

The local office's own words before this severe thunderstorm 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 10, 9:28 PM CDT, 7 minutes before
TXZ183>185-202-203-217-110315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
925 PM CDT WED MAY 10 1995

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS HAVE MOVED INTO THE DEL
RIO VICINITY THIS EVENING FROM MEXICO.  THE STRONGEST THUNDERSTORM
WAS JUST 10 MILES SOUTHWEST OF THE CITY OF DEL RIO AND MOVING
NORTHEAST AT NEAR 30 MPH.  THIS STORM COULD PRODUCE GUSTY
WINDS...HAIL...AND DANGEROUS LIGHTNING AS IT MOVES TOWARD THE DEL RIO
AREA IN THE NEXT 30 MINUTES TO 1 HOUR.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER NORTHEAST EDWARDS
COUNTY AND NORTHERN MAVERICK COUNTY.  MOVE WAS GENERALLY NORTHEAST AT
NEAR 25 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 9:53 PM CDTTornado WarningEWXVal Verde37 min
May 10, 10:25 PM CDTTornado WarningEWXVal Verde50 min
May 10, 11:21 PM CDTSevere Thunderstorm WarningEWXEdwards54 min
May 11, 11:08 AM CDTSevere Thunderstorm WarningEWXComal, Guadalupe67 min
May 11, 11:23 AM CDTSevere Thunderstorm WarningEWXCaldwell, Hays67 min
May 11, 11:50 AM CDTSevere Thunderstorm WarningEWXFayette, Gonzales55 min
May 11, 12:20 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano, Williamson70 min
May 11, 12:35 PM CDTSevere Thunderstorm WarningEWXBastrop, Fayette, Gonzales55 min
May 11, 12:42 PM CDTSevere Thunderstorm WarningEWXTravis63 min
May 11, 1:12 PM CDTSevere Thunderstorm WarningEWXWilliamson63 min
May 11, 1:38 PM CDTSevere Thunderstorm WarningEWXBastrop67 min
May 11, 1:43 PM CDTSevere Thunderstorm WarningEWXLee62 min
May 11, 2:15 PM CDTSevere Thunderstorm WarningEWXFayette35 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning in 1995

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.