Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 93, NWS Austin/San Antonio, TX

May 13, 1994McMullen County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 13, 1994, 3:02 PM CDT for McMullen County, Texas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued: May 13, 1994, 3:02 PM CDT (20:02 UTC)
Expired: May 13, 1994, 4:00 PM CDT
In force: 58 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County McMullen County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.0 hours before the alert went out and 248 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: 956 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 739 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KSAT 132004
SVREWX
TXC311-132100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
302 PM CDT FRI MAY 13 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...MCMULLEN COUNTY
 
AT 302 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 10 MILES
NORTH OF TILDEN. THIS STORM WAS MOVING TO THE NORTHEAST AT 20 MILES AN
HOUR.
 
ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A
TORNADO WATCH REMAINS IN EFFECT.  SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING
SO BE ON THE LOOKOUT.

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 13, 12:06 PM CDT, 2 hours 56 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
715APM CDT TUE MAY 03 1994

TIME/CDT  COUNTY       EVENT...OF 13 MAY 1994...

1120AM CDT BURNET      SOUTH OF MARBLE FALLS ... PEA TO MARBLE SIZE HAIL
                       UNCONFIRMED FUNNEL CLOUD... AT HWY 71 AND 280
                       THUNDERSTORM REPORTED AS SEVERE BY TROOPER.
1121AM CDT GILLESPIE   HAM RADIO REPORTED HIGHWAY 16 ... 10 MILES NORTH
                       OF FREDERICKSBURGv CLOSED DUE TO HIGH WATER.
1145AM CDT BURNET      SHERIFF AND LCRA REPORTED A TORNADO TOUCH DOWN
                       IN AND NEAR MARBLE FALLS...REPORTED HOMES AND
                       BUILDINGS DOWN...POSSIBLE PEOPLE TRAPPED.
WITHROW

Local storm report, May 13, 12:10 PM CDT, 2 hours 52 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1210PM CDT FRI MAY 13 1994  THIS LINE CORRECTED

TIME/CDT  COUNTY       EVENT...OF 13 MAY 1994...

1120AM CDT BURNET      SOUTH OF MARBLE FALLS ... PEA TO MARBLE SIZE HAIL
                       UNCONFIRMED FUNNEL CLOUD... AT HWY 71 AND 280
                       THUNDERSTORM REPORTED AS SEVERE BY TROOPER.
1121AM CDT GILLESPIE   HAM RADIO REPORTED HIGHWAY 16 ... 10 MILES NORTH
                       OF FREDERICKSBURG CLOSED DUE TO HIGH WATER.
1145AM CDT BURNET      SHERIFF AND LCRA REPORTED A TORNADO TOUCH DOWN
                       IN AND NEAR MARBLE FALLS...REPORTED HOMES AND
                       BUILDINGS DOWN...POSSIBLE PEOPLE TRAPPED.
WITHROW

Local storm report, May 13, 12:10 PM CDT, 2 hours 52 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1210PM CDT FRI MAY 13 1994  THIS LINE CORRECTED

TIME/CDT  COUNTY       EVENT...OF 13 MAY 1994...

1120AM CDT BURNET      SOUTH OF MARBLE FALLS ... PEA TO MARBLE SIZE HAIL
                       UNCONFIRMED FUNNEL CLOUD... AT HWY 71 AND 280
                       THUNDERSTORM REPORTED AS SEVERE BY TROOPER.
1121AM CDT GILLESPIE   HAM RADIO REPORTED HIGHWAY 16 ... 10 MILES NORTH
                       OF FREDERICKSBURG CLOSED DUE TO HIGH WATER.
1145AM CDT BURNET      SHERIFF AND LCRA REPORTED A TORNADO TOUCH DOWN
                       IN AND NEAR MARBLE FALLS...REPORTED HOMES AND
                       BUILDINGS DOWN...POSSIBLE PEOPLE TRAPPED.
WITHROW

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 1:36 AM CDT	Flash Flood Warning	EWX	Val Verde	94 min
May 13, 1:45 AM CDT	Flash Flood Warning	EWX	San Saba	3 hr
May 13, 12:10 PM CDT	Severe Thunderstorm Warning	EWX	Travis, Williamson	65 min
May 13, 12:37 PM CDT	Tornado Warning	EWX	Lavaca	58 min
May 13, 12:42 PM CDT	Tornado Warning	EWX	Williamson	48 min
May 13, 1:20 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Guadalupe	55 min
May 13, 1:20 PM CDT	Severe Thunderstorm Warning	EWX	Wilson	55 min
May 13, 1:28 PM CDT	Tornado Warning	EWX	Hays	32 min
May 13, 1:37 PM CDT	Tornado Warning	EWX	Lavaca	8 min
May 13, 1:50 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Frio	70 min
May 13, 2:25 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales, Wilson	65 min
May 13, 2:29 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt	61 min
May 13, 2:45 PM CDT	Tornado Warning	EWX	DeWitt	60 min
May 13, 2:47 PM CDT	Tornado Warning	EWX	Bastrop	28 min
May 13, 3:11 PM CDT	Tornado Warning	EWX	Fayette	49 min
May 13, 3:50 PM CDT	Tornado Warning	EWX	DeWitt, Lavaca	55 min
May 13, 4:25 PM CDT	Severe Thunderstorm Warning	EWX	Victoria	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994 Every 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.