Alert archive / Texas / Tornado Warnings in 1991

Tornado Warning 13, NWS Austin/San Antonio, TX

May 3, 1991Guadalupe County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 3, 1991, 1:05 PM CDT for Guadalupe County, Texas. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 3, 1991, 1:05 PM CDT (18:05 UTC)
Expired
May 3, 1991, 2:00 PM CDT
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Guadalupe County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 6.1 hours before the alert went out and 214 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 12:00Z on 1991-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2965 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 1991-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
2965 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
4.9
Supercell composite
23.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 031806
TORSAT
TXC187-031900-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
105 PM CDT FRI MAY 3 1991
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH TEXAS
          ...GUADALUPE
 
RADAR INDICATES THIS DANGEROUS THUNDERSTORM JUST WEST OF SEGUIN HAS
THE POTENTIAL TO PRODUCE A TORNADO. IT IS MOVING TO THE EAST AT 30
MPH. EVERYONE IN THE PATH OF THIS STORM SHOULD TAKE COVER.
 
IF YOU ARE IN THE PATH OF THIS STORM...GO TO A BASEMENT SHELTER OR A
CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING.
ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.
 
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 10:13 AM CDTSevere Thunderstorm WarningEWXMedina62 min
May 3, 10:13 AM CDTSevere Thunderstorm WarningEWXKendall62 min
May 3, 10:39 AM CDTSevere Thunderstorm WarningEWXLlano66 min
May 3, 10:40 AM CDTSevere Thunderstorm WarningEWXBexar65 min
May 3, 10:57 AM CDTFlash Flood WarningEWXMedina3 hr
May 3, 11:37 AM CDTSevere Thunderstorm WarningEWXBexar68 min
May 3, 11:40 AM CDTSevere Thunderstorm WarningEWXBurnet50 min
May 3, 11:46 AM CDTSevere Thunderstorm WarningEWXComal59 min
May 3, 12:07 PM CDTSevere Thunderstorm WarningEWXGuadalupe68 min
May 3, 1:23 PM CDTFlash Flood WarningEWXBurnet, Llano3 hr
May 3, 1:43 PM CDTFlash Flood WarningEWXLampasas3 hr
May 3, 1:53 PM CDTSevere Thunderstorm WarningEWXGonzales67 min
May 3, 3:00 PM CDTSevere Thunderstorm WarningEWXGonzales30 min
May 3, 3:23 PM CDTSevere Thunderstorm WarningEWXLavaca67 min
May 3, 4:07 PM CDTSevere Thunderstorm WarningEWXWebb68 min
May 3, 5:06 PM CDTSevere Thunderstorm WarningEWXSan Saba39 min
May 3, 6:24 PM CDTSevere Thunderstorm WarningEWXWebb66 min
May 3, 6:45 PM CDTSevere Thunderstorm WarningEWXLa Salle60 min

Nearby

Tornado Warnings in Texas, 1991Every tornado warning in 1991Tornadoes in 1991

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.