Alert archive / Texas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 8, NWS Austin/San Antonio, TX

March 11, 1993DeWitt County, Goliad County, Lavaca County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 11, 1993, 10:25 PM CST for DeWitt County, Goliad County, Lavaca County, Texas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Mar 11, 1993, 10:25 PM CST (04:25 UTC)
Expired
Mar 11, 1993, 11:30 PM CST
In force
65 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties DeWitt County, TX, Goliad County, TX, Lavaca County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 4.4 hours before the alert went out and 146 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 1993-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1993-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 262 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
262 m²/s²
0-3 km storm-relative helicity
485 m²/s²
Significant tornado parameter
0.0
Supercell composite
16.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Mar 11, 6:55 PM CST, 3 hours 30 minutes before
TXZ039-040-120300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
655 PM CST THU MAR 11 1993

AT 655 PM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG
THUNDERSTORMS NEAR THREE RIVERS IN LIVE OAK COUNTY.  THESE STORMS WERE
MOVING TOWARD THE NORTHEAST AT 35 MILES AN HOUR.

RESIDENTS IN KARNES COUNTY MAY BE THREATENED BY THESE STORMS WITHIN THE
NEXT HOUR.  EXPECT BRIEF HEAVY RAINFALL...FREQUENT LIGHTNING...GUSTY
WIND AND POSSIBLE HAIL AS THE STORMS MOVE THROUGH THE COUNTY.

STAY TUNED TO LOCAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR FURTHER
UPDATES.
Special weather statement, Mar 11, 8:55 PM CST, 1 hour 30 minutes before
TXZ030-034>037-120430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
855 PM CST THU MAR 11 1993

...STRONG THUNDERSTORM MOVING TOWARD FAYETTE COUNTY...

AT 850 PM...RADAR SHOWED A STRONG THUNDERSTORM NEAR GONZALES.
THIS STORM WAS MOVING TOWARD THE NORTHEAST AT 35 MPH.  THIS STORM
WILL BE AFFECTING FLATONIA...LA GRANGE AND SCHULENBURG BETWEEN
910 PM AND 10 PM.

THIS STORM IS CAPABLE OF PRODUCING 1/2 INCH HAIL...VERY HEAVY RAINS...
GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING.

OTHER LIGHT RAIN SHOWERS WERE FROM SAN MARCOS TO AUSTIN...BASTROP
AND GEORGETOWN.

LUNA
Special weather statement, Mar 11, 8:59 PM CST, 1 hour 26 minutes before
TXZ030-034>037-120430-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE AUSTIN TX
855 PM CST THU MAR 11 1993

...STRONG THUNDERSTORM MOVING TOWARD FAYETTE COUNTY...

AT 850 PM...RADAR SHOWED A STRONG THUNDERSTORM NEAR GONZALES.
THIS STORM WAS MOVING TOWARD THE NORTHEAST AT 35 MPH.  THIS STORM
WILL BE AFFECTING FLATONIA...LA GRANGE AND SCHULENBURG BETWEEN
910 PM AND 10 PM.

THIS STORM IS CAPABLE OF PRODUCING 1/2 INCH HAIL...VERY HEAVY RAINS...
GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING.

OTHER LIGHT RAIN SHOWERS WERE SCATTERED FROM SAN MARCOS TO AUSTIN...
BATROP...GEORGETOWN AND GOLDTHWAITE.

LUNA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 7:45 PM CSTSevere Thunderstorm WarningEWXDeWitt60 min
Mar 11, 11:20 PM CSTSevere Thunderstorm WarningEWXCalhoun115 min
Mar 12, 1:20 AM CSTSevere Thunderstorm WarningEWXCalhoun55 min

Nearby

Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993

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.