Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 130, NWS Austin/San Antonio, TX

May 27, 1995Atascosa County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 1995, 3:56 AM CDT for Atascosa County, Texas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
May 27, 1995, 3:56 AM CDT (08:56 UTC)
Expired
May 27, 1995, 5:00 AM CDT
In force
64 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Atascosa County, TX

The radar

The Austin/San Antonio radar (KEWX), 102 km from the middle of the area, began a volume at 09:02 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 8.9 hours before the alert went out and 174 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, Corpus Christi, TX at 00:00Z on 1995-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 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, Corpus Christi, TX at 00:00Z on 1995-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
36 J/kg
Mixed-layer CIN
-217 J/kg
Mixed-layer LCL
1235 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 270858
SVRSAT
TXC013-271000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
356 AM CDT SAT MAY 27 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...ATASCOSA COUNTY
 
AT 355 AM CDT WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH POSSIBLE LARGE HAIL ALONG THE FRIO..ATASCOSA COUNTY
LINE JUST WEST OF CHARLOTTE MOVING EAST AT 30 MPH.
 
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 27, 12:14 AM CDT, 3 hours 42 minutes before
TXZ171-172-183>190-202>205-217>219-228-270600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1210 AM CDT SAT MAY 27 1995

...THE TORNADO WATCH UNTIL 200 AM FOR NORTHWESTERN PORTIONS OF
   SOUTH TEXAS...

AT 1205 AM STRONG THUNDERSTORMS WITH HEAVY RAINFALL WERE LOCATED
ACROSS NORTHWESTERN PORTIONS OF SOUTH TEXAS.  THE AREA EXTENDED FROM
DEL RIO NORTH TO MASON AND LLANO.  THE STRONGEST STORMS WERE
INDICATED BY DOPPLER RADAR NEAR DEL RIO AND IN WESTERN REAL COUNTY.

THESE STORMS MAY PRODUCE BRIEF HEAVY DOWNPOURS OF AN INCH OR TWO AN
HOUR...DANGEROUS LIGHTNING AND GUSTY WIND AS THEY MOVE EASTWARD
DURING THE NEXT FEW HOURS.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND
POSSIBLE WARNINGS.
Special weather statement, May 27, 2:10 AM CDT, 1 hour 46 minutes before
TXZ171-172-185>190-202>205-217>219-228-270800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
205 AM CDT SAT MAY 27 1995

...THE TORNADO WATCH FOR NORTHWESTERN PORTIONS OF SOUTH TEXAS
   EXPIRED AT 2OO AM...

AT 200 AM STRONG THUNDERSTORMS WITH HEAVY RAINFALL CONTINUED OVER
THE TEXAS HILL COUNTRY AND WESTERN PORTIONS OF SOUTH TEXAS.  THE
STRONGEST THUNDERSTORMS WERE ALONG A LINE FROM NEAR CARRIZO SPRINGS
TO BATESVILLE TO BANDERA STONEWALL.  WITH THE HEAVIEST RAIN FALLING
FROM BANDERA TO KERRVILLE AND SOUTHEAST OF UVALDE.  THESE AREAS
WERE RECEIVING UP TO 2 INCHES AN HOUR.  GUSTY WINDS COULD ALSO BE
EXPECTED FROM THESE STORMS.  MOVEMENT WAS TO THE EAST AT 25 MPH.

A SMALL STREAM FLOOD ADVISORY IS IN EFFECT UNTIL 3 AM FOR
MAVERICK...UVALDE...REAL...BANDERA...KERR AND GILLESPIE COUNTIES.
PERSONS IN THESE COUNTIES SHOULD TAKE COVER AS THE STORMS APROACH.

PERSONS IN LOW LYING AREAS SHOLD MOVE TO HIGHER GROUN~D AS THE RAIN
INCREASES.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND
POSSIBLE WARNINGS.
Special weather statement, May 27, 2:52 AM CDT, 1 hour 4 minutes before
TXZ171-172-186>192-203>206-218-219-228-229-270845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
252 AM CDT SAT MAY 27 1995

...STRONG THUNDERSTORMS MARCHING ACROSS THE HILL COUNTRY AND
   SOUTH CENTRAL TEXAS...

AT 245 AM A BAND OF STRONG THUNDERSTORMS 30 MILES WIDE EXTENDED FROM
CARRIZO SPRINGS NORTH TO CENTER POINT AND STONEWALL.  THE LEADING
EDGE WAS MOVING INTO WESTERN FRIO...CENTRAL MEDINA AND CENTRAL
KENDALL COUNTIES.  REPORTS OF ONE INCH OF RAIN WAS REPORTED FROM
NORTHERN MEDINA COUNTY OVER THE PAST HALF HOUR.  GUSTY WINDS WERE
ALSO REPORTED.

THIS BAND OF THUNDERSTORMS WAS MOVING TO THE EAST AT 30 MPH AND
WILL BRING THE STORMS INTO THE SAN ANTONIO METROPOLITAN AREA BY
315 AM AND INTO THE AUSTIN AREA BY AROUND 400 AM.

PERSONS IN THE PATHS OF THESE STORMS CAN EXPECT HEAVY RAINFALL...
UP TO 2 INCHES OF RAIN OVER AN HOURS TIME... AND WIND GUSTS TO
35 OR 40 MPH AS THE STORMS PASS OVER.  THE STORMINESS SHOULD LAST
LESS THAN 1 HOUR IN ANY GIVEN SPOT.

MINOR STREET FLOODING SHOULD BE THE ONLY PROBLEM ENCOUNTERED.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND
POSSIBLE WARNINGS.
Special weather statement, May 27, 3:54 AM CDT, 2 minutes before
TXZ171>173-186>192-204>208-219>221-229-230-270945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
350 AM CDT SAT MAY 27 1995

...STRONG THUNDERSTORMS MARCHING ACROSS THE HILL COUNTRY AND
SOUTH CENTRAL TEXAS...

AT 345 AM CDT THUNDERSTORMS CONTINE TO MARCH EASTWARD ACROSS CENTRAL
AND SOUTH CENTRAL TEXAS.  THIS AREA EXTENDED FROM COTULLA NORTH TO
MASON AND AUSTIN.  THE STRONGEST STORMS WERE ALONG THE LEADING EDGE
WHICH EXTENDED FROM COTULLA TO SAN ANTONIO TO JUST WEST OF AUSTIN.
SAMLL AHIL HAD BEEN REPORTED JUST NORTHEAST OF SAN ANTONIO AND WIND
GUSTS TO NEAR 40 MPH WERE RECORDED AT THE INTERNATIONAL AIRPORT IN
SAN ANTONIO ABOUT 330 AM.

THIS AREA OF THUNDERSTORMS WAS MOVING TO THE EAST AT 30 MPH AND
WILL BRING THE STORMS THROUGH AUSTIN BY 415 AM.

PERSONS IN THE PATHS OF THESE STORMS CAN EXPECT HEAVY RAINFALL...
UP TO 2 INCHES OF RAIN OVER AN HOURS TIME... AND WIND GUSTS TO
35 OR 40 zMPH AS THE STORMS PASS OVER.  THE STORMINESS SHOULD LAST
LESS THAN 1 HOUR IN ANY GIVEN SPOT.

MINOR STREET FLOODING SHOULD BE THE ONLY PROBLEM ENCOUNTERED.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND
POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 9:00 PM CDTSevere Thunderstorm WarningEWXVal Verde60 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; radar from the NEXRAD Level II archive.