Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 30, NWS Austin/San Antonio, TX

November 15, 2001Travis County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Nov 15, 2001, 10:55 AM CST for Travis County, Texas. It was in force for 50 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 15, 2001, 10:55 AM CST (16:55 UTC)
Expired
Nov 15, 2001, 11:45 AM CST
In force
50 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Travis County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 4.9 hours before the alert went out and 277 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, Fort Worth, TX at 12:00Z on 2001-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 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, Fort Worth, TX at 12:00Z on 2001-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
27 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

551 
WFUS54 KEWX 151656
TORSAT
TXC453-151745-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1055 AM CST THU NOV 15 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  TRAVIS

* UNTIL 1145 AM CST

* AT 1055 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 3 MILES
  SOUTHWEST OF LAKEWAY...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
  OVER LAGO VISTA AT 1110 AM
  3 MILES NORTHWEST OF JONESTOWN AT 1120 AM

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  LAKEWAY
  LAGO VISTA
  JONESTOWN

DPS TROOPERS REPORTED TORNADIC ACTIVITY NEAR LAKEWAY.

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 3035 9816 3033 9801 3041 9782 3068 9803

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 14, 6:46 PM CSTFlash Flood WarningEWXBlanco, Travis2 hr
Nov 14, 7:15 PM CSTSevere Thunderstorm WarningEWXUvalde60 min
Nov 14, 7:50 PM CSTSevere Thunderstorm WarningEWXBandera, Medina55 min
Nov 14, 8:32 PM CSTSevere Thunderstorm WarningEWXKinney, Maverick73 min
Nov 14, 9:53 PM CSTFlash Flood WarningEWXAtascosa67 min
Nov 14, 11:47 PM CSTSevere Thunderstorm WarningEWXBandera73 min
Nov 15, 12:23 AM CSTSevere Thunderstorm WarningEWXZavala52 min
Nov 15, 2:54 AM CSTFlash Flood WarningEWXBandera, Kerr, Medina, Real2 hr
Nov 15, 3:47 AM CSTSevere Thunderstorm WarningEWXReal58 min
Nov 15, 4:52 AM CSTTornado WarningEWXKendall38 min
Nov 15, 5:21 AM CSTFlash Flood WarningEWXEdwards, Val Verde3 hr
Nov 15, 6:07 AM CSTFlash Flood WarningEWXBexar, Kendall3 hr
Nov 15, 6:21 AM CSTFlash Flood WarningEWXGillespie3 hr
Nov 15, 6:30 AM CSTFlash Flood WarningEWXKerr3 hr
Nov 15, 6:54 AM CSTFlash Flood WarningEWXBlanco, Burnet, Llano3 hr
Nov 15, 8:35 AM CSTFlash Flood WarningEWXEdwards3 hr
Nov 15, 9:20 AM CSTFlash Flood WarningEWXAtascosa, Bandera, Bexar, Blanco, Burnet, Comal and 14 more4 hr
Nov 15, 9:32 AM CSTTornado WarningEWXBlanco, Hays43 min
Nov 15, 10:19 AM CSTTornado WarningEWXBlanco, Hays, Travis41 min
Nov 15, 11:37 AM CSTTornado WarningEWXWilliamson53 min
Nov 15, 12:40 PM CSTTornado WarningEWXDeWitt, Karnes50 min
Nov 15, 12:55 PM CSTFlash Flood WarningEWXBandera, Kerr, Medina2 hr
Nov 15, 1:06 PM CSTFlash Flood WarningEWXBexar, Blanco, Burnet, Comal, Gillespie, Hays and 4 more4 hr
Nov 15, 1:29 PM CSTTornado WarningEWXGonzales, Karnes61 min
Nov 15, 2:29 PM CSTTornado WarningEWXGonzales61 min
Nov 15, 2:58 PM CSTTornado WarningEWXHays, Travis62 min
Nov 15, 3:41 PM CSTTornado WarningEWXComal, Hays34 min
Nov 15, 3:57 PM CSTTornado WarningEWXTravis, Williamson63 min
Nov 15, 5:00 PM CSTFlash Flood WarningEWXAtascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 13 more4 hr
Nov 15, 5:04 PM CSTTornado WarningEWXTravis, Williamson56 min
Nov 15, 5:29 PM CSTTornado WarningEWXComal, Guadalupe61 min
Nov 15, 5:50 PM CSTTornado WarningEWXTravis, Williamson70 min

Nearby

Tornado Warnings in Texas, 2001Every tornado warning in 2001Tornadoes in 2001

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.