Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 46, NWS Austin/San Antonio, TX

May 8, 1996Frio County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 8, 1996, 4:17 PM CDT for Frio County, Texas. It was in force for 43 min. 3 reports 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
May 8, 1996, 4:17 PM CDT (21:17 UTC)
Expired
May 8, 1996, 5:00 PM CDT
In force
43 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Frio County, TX

The radar

The Laughlin AFB radar (KDFX), 122 km from the middle of the area, began a volume at 21:18 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
May 8, 4:25 PM CDTHail 0.75Pearsall, TX
May 8, 4:50 PM CDTHail 0.75Pearsall, TX
May 8, 5:10 PM CDTHail 1Pearsall, 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, 9.3 hours before the alert went out and 177 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 1996-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 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 1996-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
27 J/kg
Mixed-layer CIN
-466 J/kg
Mixed-layer LCL
1100 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
107 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 082118
SVRSAT
TXC163-082200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
417 PM CDT WED MAY 8 1996
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...FRIO COUNTY
 
AT 415 PM CDT A SEVERE THUNDERSTORM WAS DETECTED JUST NORTH OF PEARSALL
IN FRIO COUNTY. THIS STORM LIKELY CONTAINS LARGE HAIL AND DAMAGING
THUNDERSTORM WINDS. BRIEF HEAVY RAIN CAN ALSO BE EXPECTED FROM THIS
STORM ALONG WITH DEADLY LIGHTNING.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TRE@ES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.

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 8, 2:35 PM CDT, 1 hour 42 minutes before
TXZ185>191-203>208-218>220-082030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
235 PM CDT WED MAY 8 1996

AT 225 PM...AN ISOLATED STRONG THUNDERSTORM HAS DEVELOPED BETWEEN
PIPE CREEK AND BOERNE.  MOVEMENT WAS NORTH AT 15 MPH.  THIS STORM
LIKELY CONTAINS GUSTY WINDS...DANGEROUS LIGHTNING...BRIEF HEAVY
RAIN...AND POSSIBLE SMALL HAIL.  ANOTHER ISOLATED THUNDERSTORM WAS
LOCATED NEAR DEVINE...WHILE ISOLATED SHOWERS WERE LOCA2TED FROM
BANDERA TO PEARSALL TO SAN ANTONIO.

AFTERNOON HEATING IN COMBINATION WITH AN UPPER LEVEL DISTURBANCE WILL
CONTINUE TO PRODUCE WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON...A
FEW POSSIBLY SEVERE.
Special weather statement, May 8, 3:27 PM CDT, 50 minutes before
TXZ171>173-185>194-203>208-218>221-228>230-082130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
326 PM CDT WED MAY 8 1996

...SEVERE THUNDERSTORM WARNING IN EFFECT UNTIL 415 PM FOR MEDINA
COUNTY...

AT 320 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN WESTERN
MEDINA COUNTY JUST NORTH OF CASTROVILLE MOVING NORTH AT 15 TO 20 MPH.
OTHER STRONG THUNDERSTORMS WERE SCATTERED FROM HELOTES TO LUCKENBACH
AND FROM HONDO SOUTHWARD TO COTULLA.

THESE THUNDERSTORMS LIKELY CONTAIN GUSTY WINDS...DANGEROUS
LIGHTNING...BRIEF HEAVY RAIN...AND HAIL.

AFTERNOON HEATING IN COMBINATION WITH AN UPPER LEVEL DISTURBANCE WILL
CONTINUE TO PRODUCE WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON...A
FEW POSSIBLY SEVERE.

STAY TUNED TO TV...RADIO OR NOAA WEATHER RADIO FOR THE LATEST WEATHER
INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 3:19 PM CDTSevere Thunderstorm WarningEWXMedina56 min
May 8, 3:50 PM CDTSevere Thunderstorm WarningEWXBandera40 min
May 8, 4:59 PM CDTSevere Thunderstorm WarningEWXFrio46 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996

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.