Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 7, NWS Austin/San Antonio, TX

March 6, 1994Bexar County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 6, 1994, 6:28 PM CST for Bexar County, Texas. It was in force for 72 min.

The area

The counties it named.

The facts

Issued
Mar 6, 1994, 6:28 PM CST (00:28 UTC)
Expired
Mar 6, 1994, 7:40 PM CST
In force
72 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bexar County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.5 hours before the alert went out and 223 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 1994-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1022 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 1994-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 square meters per square second.1939587897Sfc1 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
1022 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 070030
SVRSAT
TXC029-070230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
628 PM CST SUN MAR 6 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...BEXAR COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR ALONG THE BEXAR COUNTY AND
COMAL COUNTY LINES MOVING TOWARD THE SOUTH AROUND 10 MPH. LARGE HAIL WAS
REPORTED IN THIS THUNDERSTORM AS IT MOVED OVER KENDALL AND COMAL
COUNTIES.
 
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING vAND 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, Mar 6, 4:09 PM CST, 2 hours 19 minutes before
TXZ185>189-203>206-062310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
410 PM CST SUN MAR 6 1994

...THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SOUTH CENTRAL TEXAS...

DURING THE PAST 30 MINUTES A STRONG THUNDERSTORM DEVELOPED OVER BANDERA
COUNTY MOVING TOWARD THE SOUTHEAST AT AROUND 10 MPH.  THIS THUNDERSTORM
IS PART OF A LINE OF DEVELOPING SHOWERS AND THUNDERSTORMS WHICH STRETCHED
FROM WEST OF AUSTIN INTO UVALDE COUNTY WEST OHF SAN ANTONIO.

PERSONS IN OR NEAR THESE THUNDERSTORMS OVER THE EASTERN AND CENTRAL
SECTIONS OF THE TEXAS HILL COUNTRY SHOULD REMAIN ALERT FOR GUSTY WINDS...
BRIEF BUT HEAVY RAINS...AND POSSIBLE HAIL.
Special weather statement, Mar 6, 4:10 PM CST, 2 hours 18 minutes before
TXZ185>189-203>206-062310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
410 PM CST SUN MAR 6 1994

...THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SOUTH CENTRAL TEXAS...

DURING THE PAST 30 MINUTES A STRONG THUNDERSTORM DEVELOPED OVER BANDERA
COUNTY MOVING TOWARD THE SOUTHEAST AT AROUND 10 MPH.  THIS THUNDERSTORM
IS PART OF A LINE OF DEVELOPING SHOWERS AND THUNDERSTORMS WHICH STRETCHED
FROM WEST OF AUSTIN INTO UVALDE COUNTY WEST OF SAN ANTONIO.

PERSONS IN OR NEAR THESE THUNDERSTORMS OVER THE EASTERN AND CENTRAL
SECTIONS OF THE TEXAS HILL COUNTRY SHOULD REMAIN ALERT FOR GUSTY WINDS...
BRIEF BUT HEAVY RAINS...AND POSSIBLE HAIL.
Special weather statement, Mar 6, 5:00 PM CST, 1 hour 28 minutes before
TXZ186>189-203>207-070010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
500 PM CST SUN MAR 6 1994

AT 5 PM STRONG THUNDERSTORMS WERE MOVING INTO KENDALL AND COMAL COUNTIES
FROM THE NORTHWEST.   GUSTY WINDS...BRIEF HEAVY RAINS...LIGHTNING...AND
POSSIBLE HAIL CAN BE EXPECTED IN KENDALL AND COMAL COUNTIES DURING THE NEXT
HOUR.  PEOPLE IN AND AROUND CANYON LAKE MAY EXPERIENCE THE WEATHER FROM THESE
STRONG THUNDERSTORMS.  BOATERS SHOULD BE PREPARED TO SEEK A PLACE OF SAFETY
SHOULD THESE THUNDERSTORMS MOVE INTO THEIR AREA.

ANOTHER THUNDERSTORM WAS LOCATED IN SOUTH CENTRAL BANDERA COUNTY MOVING
TOWARD THE SOUTHEAST AT 10 TO 15 MPH.  ALL OF THESE THUNDERSTORMS SHOULD
BEGIN TO DECREASE IN INTENSITY AROUND SUNSET.
Special weather statement, Mar 6, 5:01 PM CST, 1 hour 27 minutes before
TXZ186>189-203>207-070010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
500 PM CST SUN MAR 6 1994

AT 5 PM STRONG THUNDERSTORMS WERE MOVING INTO KENDALL AND COMAL COUNTIES
FROM THE NORTHWEST.   GUSTY WINDS...BRIEF HEAVY RAINS...LIGHTNING...AND
POSSIBLE HAIL CAN BE EXPECTED IN KENDALL AND COMAL COUNTIES DURING THE NEXT
HOUR.  PEOPLE IN AND AROUND CANYON LAKE MAY EXPERIENCE THE WEATHER FROM THESE
STRONG THUNDERSTORMS.  BOATERS SHOULD BE PREPARED TO SEEK A PLACE OF SAFETY
SHOULD THESE THUNDERSTORMS MOVE INTO THEIR AREA.

ANOTHER THUNDERSTORM WAS LOCATED IN SOUTH CENTRAL BANDERA COUNTY MOVING
TOWARD THE SOUTHEAST AT 10 TO 15 MPH.  ALL OF THESE THUNDERSTORMS SHOULD
BEGIN TO DECREASE IN INTENSITY AROUND SUNSET.
Local storm report, Mar 6, 5:55 PM CST, 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
555 PM CST SUN MAR 6 1994

TIME/CST  COUNTY       EVENT...OF 6 MARCH 1994...

0407 PM   BLANCO       THE BLANCO COUNTY SHERIFFS OFFICE REPORTS 1 INCH
                       DIAMETER HAIL 2 MILES WEST OF JOHNSON CITY ALONG
                       U. S. HIGHWAY 290.
                       /SEVERE THUNDERSTORM WARNING ISSUED BLANCO/HAYS
                        COUNTIES AT 350PM CST/
TMK/JVD/RL
Local storm report, Mar 6, 5:57 PM CST, 31 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
555 PM CST SUN MAR 6 1994

TIME/CST  COUNTY       EVENT...OF 6 MARCH 1994...

0407 PM   BLANCO       THE BLANCO COUNTY SHERIFFS OFFICE REPORTS 1 INCH
$                       DIAMETER HAIL 2 MILES WEST OF JOHNSON CITY ALONG
                       U. S. HIGHWAY 290.
                       /SEVERE THUNDERSTORM WARNING ISSUED BLANCO/HAYS
                        COUNTIES AT 350PM CST/
TMK/JVD/RL

Nearby

Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994

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.