Alert archive / Texas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 85, NWS Austin/San Antonio, TX

May 10, 1993Jackson County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 10, 1993, 12:43 AM CDT for Jackson County, Texas. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
May 10, 1993, 12:43 AM CDT (05:43 UTC)
Expired
May 10, 1993, 1:45 AM CDT
In force
62 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Jackson County, TX

The radar

The Houston radar (KHGX), 156 km from the middle of the area, began a volume at 05:45 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, 5.7 hours before the alert went out and 155 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 1993-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2966 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 1993-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
2966 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.4

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

Local storm report, May 9, 9:43 PM CDT, 3 hours before
STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
943 PM CDT SUN MAY 09 1993

FOR MAY 9TH...

     TIME                        EVENT
   730 PM CDT    3/4-INCH HAIL AT SATTLER IN NORTHEAST COMAL COUNTY.
                   BETWEEN HONDO AND CASTROVILLE IN MEDINA COUNTY.

   745 PM CDT    PILOT REPORT RELAYED TO SAN ANGELO FLIGHT SERVICE
                   STATION...TWO TORNADOES SEEN...ONE BETWEEN SAN
                   MARCOS AND NEW BRAUNFELS NEAR COMAL/GUADALUPE
                   COUNTY LINE AND ONE OVER THE CANYON LAKE AREA
                   IN NORTHERN COMAL COUNTY.

   900 PM CDT    GONZALES COUNTY SHERIFF REPORTED 3/4" HAIL IN TOWN
                   OF GONZALES
Local storm report, May 9, 9:45 PM CDT, 2 hours 58 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
943 PM CDT SUN MAY 09 1993

FOR MAY 9TH...

     TIME                        EVENT
   730 PM CDT    3/4-INCH HAIL AT SATTLER IN NORTHEAST COMAL COUNTY.
                   BETWEEN HONDO AND CASTROVILLE IN MEDINA COUNTY.

   745 PM CDT    PILOT REPORT RELAYED TO SAN ANGELO FLIGHT SERVICE
                   STATION...TWO TORNADOES SEEN...ONE BETWEEN SAN
                   MARCOS AND NEW BRAUNFELS FNEAR COMAL/GUADALUPE
                   COUNTY LINE AND ONE OVER THE CANYON LAKE AREA
                   IN NORTHERN COMAL COUNTY.

   900 PM CDT    GONZALES COUNTY SHERIFF REPORTED 3/4" HAIL IN TOWN
                   OF GONZALES
Local storm report, May 9, 11:18 PM CDT, 1 hour 25 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1130 PM CDT SUN MAY 09 1993

TIME     COUNTY      EVENT OF MAY 9TH...1993

200 PM   LAMPASAS   QUARTER SIZE HAIL OVER NORTHCENTRAL LAMPASAS COUNTY
                    (WEATHER WATCHER)

205 PM   MILLS      3/4 INCH HAIL AT GOLDTHWAITE...RELAYED BY DPS
                    LAMPASAS.

306 PM   LLANO      LAKE BUCHANAN...1/2 INCH HAIL.

440 PM   GILLESPIE  PEA SIZE HAIL COVERED THE GROUND WEST OF STONEWALL.

444 PM   BLANCO     11/2 INCH HAIL VCNTY OF RR 2721 AND HWY 290.

515 PM   TRAVIS     EST. WIND GUST TO 65 MPH AT MANOR. (HAMS)

519 PM   HAYS       SHERIFFS OFC...MARBLE SIZE HAIL AT 217 MILE MARKER
                    ON IH35.  FUNNEL CLOUD AT KYLE.

534 PM   BLANCO     11/2 INCH HAIL AT JOHNSON CITY. (HAMS)

656 PM   HAYS       1/2-3/4 INCH HAIL BY WEATHER WATCHER AT BUDA.

709 PM   COMAL      POSSIBLE TORNADO TOUCHDOWN AT FISHER JUST OVER
                    THE COMAL COUNTY LINE.  NOTE:  WSFO  SAT... (HAMS)

710 PM   HAYS       4 MILES NORTHWEST OF SAN MARCOS...MARBLE SIZE HAIL.
                    (HAYS CO. SHERIFFS OFC)

715 PM   HAYS       1 INCH HAIL AT SETTLEMENT SUBDIVISION ALONG RR 12,
                    WEST OF SAN MARCOS  (PUBLIC)

722 PM   HAYS       GOLFBALL HAIL AT DEERWOOD SUBDIVISION, NEAR FACTORY
                    OUTLET MALL ON IH35, JUST SOUTH OF SAN MARCOS.
                    (SAN MARCOS POLICE DEPART.)

725 PM   HAYS       JELLY BEAN HAIL ALONG IH35 AT HAYS/COMAL COUNTY
                    LINE.  (PUBLIC)

DUGAN
Local storm report, May 9, 11:30 PM CDT, 1 hour 13 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1130 PM CDT SUN MAY 09 1993

TIME     COUNTY      EVENT OF MAY 9TH...1993

200 PM   LAMPASAS   QUARTER SIZE HAIL OVER NORTHCENTRAL LAMPASAS COUNTY
                    (WEATHER WATCHER)

205 PM   MILLS      3/4 INCH HAIL AT GOLDTHWAITE...RELAYED BY DPS
                    LAMPASAS.

306 PM   LLANO      LAKE BUCHANAN...1/2 INCH HAIL.

440 PM   GILLESPIE  PEA SIZE HAIL COVERED THE GROUND WEST OF STONEWALL.

444 PM   BLANCO     11/2 INCH HAIL VCNTY OF RR 2721 AND HWY 290.

515 PM   TRAVIS     EST. WIND GUST TO 65 MPH AT MANOR. (HAMS)

519 PM   HAYS       SHERIFFS OFC...MARBLE SIZE HAIL AT 217 MILE MARKER
                    ON IH35.  FUNNEL CLOUD AT KYLE.

534 PM   BLANCO     11/2 INCH HAIL AT JOHNSON CITY. (HAMS)

656 PM   HAYS       1/2-3/4 INCH HAIL BY WEATHER WATCHER AT BUDA.

709 PM   COMAL      POSSIBLE TORNADO TOUCHDOWN AT FISHER JUST OVER
                    THE COMAL COUNTY LINE.  NOTE:  WSFO  SAT... (HAMS)

710 PM   HAYS       4 MILES NORTHWEST OF SAN MARCOS...MARBLE SIZE HAIL.
                    (HAYS CO. SHERIFFS OFC)

715 PM   HAYS       1 INCH HAIL AT SETTLEMENT SUBDIVISION ALONG RR 12,
                    WEST OF SAN MARCOS  (PUBLIC)

722 PM   HAYS       GOLFBALL HAIL AT DEERWOOD SUBDIVISION, NEAR FACTORY
                    OUTLET MALL ON IH35, JUST SOUTH OF SAN MARCOS.
                    (SAN MARCOS POLICE DEPART.)

725 PM   HAYS       JELLY BEAN HAIL ALONG IH35 AT HAYS/COMAL COUNTY
                    LINE.  (PUBLIC)

DUGAN
Special weather statement, May 9, 11:49 PM CDT, 54 minutes before
TXZ038-041-100600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1149 PM CDT SUN MAY 9 1993

HONDO RADAR INDICATED STRONG THUNDERSTORM PRODUCING VERY HEAVY RAIN
EXTENDING FROM CARRIZO SPRINGS EASTWARD TO NEAR COTULLA AND TILDEN.
THESE THUNDERSTROMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR.

THUNDERSTORMS WERE ALSO INDICATED ALONG THE RIO GRANDE RIVER NORTHWEST
OF LAREDO MOVING SOUTHEAST AT 15 MILES AN HOUR.  AT THIS RATE OF SPEED
THESE STORMS COULD AFFECT THE LAREDO AREA SHORTLY AFTER MIDNIGHT.

BRIEF HEAVY RAIN...FREQUENT LIGHTNING...GUSTY WINDS AND SMALL HAIL CAN
BE EXPECTED WITH THESE THUNDERSTORMS.
Special weather statement, May 9, 11:49 PM CDT, 54 minutes before
TXZ038-041-100600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1149 PM CDT SUN MAY 9 1993

HONDO RADAR INDICATED STRONG THUNDERSTORM PRODUCING VERY HEAVY RAIN
EXTENDING FROM CARRIZO SPRINGS EASTWARD TO NEAR COTULLA AND TILDEN.
THESE THUNDERSTROMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR.

THUNDERSTORMS WERE ALSO INDICATED ALONG THE RIO GRANDE RIVER NORTHWEST
OF LAREDO MOVING SOUTHEAST AT 15 MILES AN HOUR.  AT THIS RATE OF SPEED
THESE STORMS COULD AFFECT THE LAREDO AREA SHORTLY AFTER MIDNIGHT.

BRIEF HEAVY RAIN...FREQUENT LIGHTNING...GUSTY WINDS AND SMALL HAIL CAN
BE EXPECTED WITH THESE THUNDERSTORMS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:02 PM CDTTornado WarningEWXComal43 min
May 9, 7:08 PM CDTTornado WarningEWXGuadalupe67 min
May 9, 7:18 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell57 min
May 9, 7:43 PM CDTSevere Thunderstorm WarningEWXComal62 min
May 9, 8:09 PM CDTSevere Thunderstorm WarningEWXGonzales66 min
May 9, 8:38 PM CDTSevere Thunderstorm WarningEWXBexar67 min
May 9, 8:45 PM CDTSevere Thunderstorm WarningEWXLavaca60 min
May 9, 9:05 PM CDTSevere Thunderstorm WarningEWXDeWitt40 min
May 9, 9:25 PM CDTSevere Thunderstorm WarningEWXAtascosa65 min
May 9, 10:14 PM CDTSevere Thunderstorm WarningEWXKarnes61 min
May 10, 12:32 AM CDTTornado WarningEWXWebb58 min
May 10, 1:45 AM CDTFlash Flood WarningEWXWebb6 hr

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; radar from the NEXRAD Level II archive.