Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Austin/San Antonio, TX

April 5, 1996Webb County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 5, 1996, 3:46 AM CST for Webb County, Texas. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 5, 1996, 3:46 AM CST (09:46 UTC)
Expired: Apr 5, 1996, 4:30 AM CST
In force: 44 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Webb County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 9.8 hours before the alert went out and 196 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 733 J/kg
Mixed-layer CIN: -178 J/kg
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 83 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 050946
SVRSAT
TXC479-051030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
346 AM CST FRI APR 5 1996
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...NORTHERN WEBB COUNTY
 
AT 345 AM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CROSSING
THE RIO GRANDE RIVER INTO NORTHERN WEBB COUNTY. THIS THUNDERSTORM WAS
LOCATED 65 MILES NORTHWEST OF LAREDO. MOVEMENT WAS EAST AT 25 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 ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
 
IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO
THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE
NATIONAL WEATHER SERVICE.

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, Apr 4, 11:17 PM CST, 4 hours 29 minutes before

TXZ183>186-202-203-217-218-228-050700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1115 PM CST THU APR 4 1996

...SEVERE THUNDERSTORM WARNING FOR KERR COUNTY HAS EXPIRED...
...SEVERE THUNDERSTORM WARNING FOR MAVERICK COUNTY HAS EXPIRED...
...URBAN AND SMALL STREAM FLOOD ADVISORY UNTIL 130 AM FOR
   MAVERICK COUNTY...

THE SEVERE THUNDERSTORM WARNINGS FOR KERR AND MAVERICK COUNTIES
HAVE EXPIRED AS OF 11 PM.  HOWEVER...A URBAN AND SMALL STREAM FLOOD
ADVISORY REMAINS IN EFFECT FOR MAVERICK COUNTY UNTIL 130 AM FRIDAY
MORNING.  ALSO VAL VERDE AND EDWARDS COUNTIES HAVE BEEN REMOVED FROM
THE SEVERE THUNDERSTORM WATCH.  HOWEVER...MUCH OF SOUTH CENTRAL TEXAS
REMAINS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 3 AM FRIDAY MORNING.
AT 1115 PM RADAR INDICATED SCATTERED THUNDERSTORMS NORTH OF LAREDO TO
EAGLE PASS TO UVALDE.  OTHER THUNDERSTORMS WERE LOCATED FROM
FREDRICKSBURG TO SISTERDALE TO BLANCO.  MOVEMENT WAS NORTHEAST AT 20
MPH.  STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AS
REQUIRED.

Local storm report, Apr 4, 11:26 PM CST, 4 hours 20 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1125 PM CST THU APR 04 1996

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....
 0640 PM    5 SW HUNT                 TX   1.75 INCH HAIL
04/04/96   KERR

0650 PM    8 SW KERRVILLE            TX   1.75 INCH HAIL
04/04/96   KERR

0705 PM    CAMP VERDE                TX   1.75 INCH HAIL
04/04/96   KERR

0725 PM    6 S CENTER PT             TX   1.75 INCH HAIL
04/04/96   KERR

0752 PM    2 S COMFORT               TX   .88 INCH HAIL
04/04/96   KENDALL
0755 PM    COMFORT                   TX   1.75 INCH HAIL
04/04/96   KENDALL

0805 PM    8 SE ROCKSPRINGS          TX   1 INCH HAIL
04/04/96   EDWARDS

0840 PM    10 N LEAKEY               TX   1.75 INCH HAIL
04/04/96   REAL

0857 PM    15 N LEAKEY               TX   .75 INCH HAIL
04/04/96   REAL

0934 PM    EAGLE PASS                TX   2 INCH HAIL
04/04/96   MAVERICK                       WIDESPREAD GOLFBALL SIZE
                                          HAIL ACROSS THE CITY. ROOF
                                          OF HOUSE COLLAPSED DUE TO
                                          WEIGHT OF HAIL ON SOUTH
                                          SIDE OF TOWN.

Special weather statement, Apr 4, 11:59 PM CST, 3 hours 47 minutes before

TXZ171>173-183>194-202>209-217>225-228>230-239-050745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1150 PM CST THU APR 4 1996

...SEVERE THUNDERSTORM WATCH FOR THE RIO GRANDE PLAINS AND SOUTH
CENTRAL TEXAS HAS BEEN CANCELLED...
...URBAN AND SMALL STREAM FLOOD ADVISORY UNTIL 130 AM FOR MAVERICK
COUNTY...

THE SEVERE THUNDERSTORM WATCH FOR THE TEXAS HILL COUNTRY...UPPER AND
LOWER RIO GRANDE PLAINS AND SOUTH CENTRAL TEXAS HAS BEEN CANCELLED.
HOWEVER...A URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT
FOR MAVERICK COUNTY UNTIL 130 AM FRIDAY MORNING.

SHOWERS AND THUNDERSTORMS REMAINED FROM LAREDO TO EAGLE PASS TO DEL
RIO TO UVALDE.  HOWEVER...THESE THUNDERSTORMS WERE DECREASING IN
INTENSITY AS THEY MOVE TO THE EAST NORTHEAST AT 20 MPH.

ALTHOUGH THE PRECIPITATION WAS DECREASING ACROSS MAVERICK COUNTY...
SMALL STREAMS...CREEKS AND LOW WATER CROSSINGS SHOULD STILL BE
APPROACHED CAUTIOUSLY.  DO NOT CROSS LOW WATER CROSSINGS IF WATER
COVERS THE ROAD.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AS REQUIRED.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 6:43 PM CST	Severe Thunderstorm Warning	EWX	Kerr	47 min
Apr 4, 7:29 PM CST	Severe Thunderstorm Warning	EWX	Kendall	61 min
Apr 4, 8:10 PM CST	Severe Thunderstorm Warning	EWX	Edwards, Real	65 min
Apr 4, 8:55 PM CST	Severe Thunderstorm Warning	EWX	Maverick	65 min
Apr 4, 9:56 PM CST	Severe Thunderstorm Warning	EWX	Kerr	64 min
Apr 4, 10:05 PM CST	Severe Thunderstorm Warning	EWX	Maverick	55 min
Apr 5, 2:53 PM CST	Severe Thunderstorm Warning	EWX	Victoria	67 min
Apr 5, 3:49 PM CST	Severe Thunderstorm Warning	EWX	Victoria	56 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996 Every 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; the sounding from the Mesonet's radiosonde archive.