Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 51, NWS Austin/San Antonio, TX

November 12, 2000Gonzales County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Nov 12, 2000, 5:07 PM CST for Gonzales County, Texas. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Nov 12, 2000, 5:07 PM CST (23:07 UTC)
Expired
Nov 12, 2000, 6:00 PM CST
In force
53 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Gonzales County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 12, 1:30 PM CSTTornado WatchSPC6 hr
Nov 12, 5:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 11.1 hours before the alert went out and 198 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 2000-11-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 622 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 2000-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
622 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

668 
WFUS54 KEWX 122307
TORSAT
TXC177-130000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
507 PM CST SUN NOV 12 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  GONZALES COUNTY

* UNTIL 600 PM CST

* AT 507 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 2 MILES
  SOUTHWEST OF PALMETO...OR ABOUT 9 MILES SOUTH OF LULING...MOVING
  EAST AT 30 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
  5 MILES NORTH OF GONZALES AT 525 PM CST

ANOTHER THUNDERSTORM WITH A POSSIBLE TORNADO IS NEAR SMILEY MOVING EAST
AT 30 MPH.  

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.


LAT...LON 2956 9770 2921 9771 2940 9724 2978 9733

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 1:07 PM CSTTornado WarningEWXBastrop, Fayette63 min
Nov 12, 1:13 PM CSTTornado WarningEWXCaldwell47 min
Nov 12, 1:57 PM CSTTornado WarningEWXLavaca48 min
Nov 12, 1:59 PM CSTTornado WarningEWXFayette61 min
Nov 12, 2:18 PM CSTTornado WarningEWXBastrop57 min
Nov 12, 2:31 PM CSTTornado WarningEWXHays59 min
Nov 12, 2:57 PM CSTTornado WarningEWXFayette63 min
Nov 12, 3:03 PM CSTTornado WarningEWXGonzales, Lavaca57 min
Nov 12, 3:06 PM CSTTornado WarningEWXCaldwell54 min
Nov 12, 3:42 PM CSTTornado WarningEWXBastrop63 min
Nov 12, 3:57 PM CSTTornado WarningEWXLavaca48 min
Nov 12, 4:29 PM CSTTornado WarningEWXFayette61 min
Nov 12, 4:49 PM CSTTornado WarningEWXAtascosa, Wilson56 min
Nov 12, 5:14 PM CSTTornado WarningEWXLavaca61 min
Nov 12, 5:43 PM CSTTornado WarningEWXGuadalupe, Wilson62 min
Nov 12, 5:55 PM CSTTornado WarningEWXDeWitt, Lavaca65 min

Nearby

Tornado Warnings in Texas, 2000Every tornado warning in 2000Tornadoes in 2000

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.