Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 37, NWS Austin/San Antonio, TX

November 15, 2001Travis County, Williamson County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Nov 15, 2001, 3:57 PM CST for Travis County, Williamson County, Texas. It was in force for 63 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Nov 15, 2001, 3:57 PM CST (21:57 UTC)
Expired: Nov 15, 2001, 5:00 PM CST
In force: 63 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Travis County, TX, Williamson County, TX

What was reported inside it

Time	Report	Where	Remark
Nov 15, 4:45 PM CST	Tornado F0	Austin, TX	A small F0 tornado struck near Yeager Lane in northeast Austin. It moved toward the northeast for two miles, then dissipated. Along its path, it damaged several carports and mobile homes and destroyed numerous trees. One school was involved in a tornado dr

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 15, 11:45 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.0 hours before the alert went out and 272 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: 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.

676 
WFUS54 KEWX 152200
TORSAT
TXC453-491-152300-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 500 PM CST

* AT 357 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH STRONG ROTATION OVER NORTH AUSTIN AND OVER
  SOUTH AUSTIN...MOVING NORTH AT 40 MPH.

* THE TORNADO PRODUCING STORMS ARE EXPECTED TO BE...
  2 MILES EAST OF BRUSHY CREEK AT 405 PM
  OVER ROUND ROCK AT 410 PM
  OVER GEORGETOWN AT 420 PM

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  AUSTIN
  ANDERSON MILL
  JOLLYVILLE
  WELLS BRANCH
  WINDEMERE
  BRUSHY CREEK

A TORNADO WAS REPORTED AT 335 PM NEAR BEN WHITE AND I-35.

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 3022 9795 3009 9780 3069 9727 3085 9759

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 14, 6:46 PM CST	Flash Flood Warning	EWX	Blanco, Travis	2 hr
Nov 14, 7:15 PM CST	Severe Thunderstorm Warning	EWX	Uvalde	60 min
Nov 14, 7:50 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Medina	55 min
Nov 14, 8:32 PM CST	Severe Thunderstorm Warning	EWX	Kinney, Maverick	73 min
Nov 14, 9:53 PM CST	Flash Flood Warning	EWX	Atascosa	67 min
Nov 14, 11:47 PM CST	Severe Thunderstorm Warning	EWX	Bandera	73 min
Nov 15, 12:23 AM CST	Severe Thunderstorm Warning	EWX	Zavala	52 min
Nov 15, 2:54 AM CST	Flash Flood Warning	EWX	Bandera, Kerr, Medina, Real	2 hr
Nov 15, 3:47 AM CST	Severe Thunderstorm Warning	EWX	Real	58 min
Nov 15, 4:52 AM CST	Tornado Warning	EWX	Kendall	38 min
Nov 15, 5:21 AM CST	Flash Flood Warning	EWX	Edwards, Val Verde	3 hr
Nov 15, 6:07 AM CST	Flash Flood Warning	EWX	Bexar, Kendall	3 hr
Nov 15, 6:21 AM CST	Flash Flood Warning	EWX	Gillespie	3 hr
Nov 15, 6:30 AM CST	Flash Flood Warning	EWX	Kerr	3 hr
Nov 15, 6:54 AM CST	Flash Flood Warning	EWX	Blanco, Burnet, Llano	3 hr
Nov 15, 8:35 AM CST	Flash Flood Warning	EWX	Edwards	3 hr
Nov 15, 9:20 AM CST	Flash Flood Warning	EWX	Atascosa, Bandera, Bexar, Blanco, Burnet, Comal and 14 more	4 hr
Nov 15, 9:32 AM CST	Tornado Warning	EWX	Blanco, Hays	43 min
Nov 15, 10:19 AM CST	Tornado Warning	EWX	Blanco, Hays, Travis	41 min
Nov 15, 10:55 AM CST	Tornado Warning	EWX	Travis	50 min
Nov 15, 11:37 AM CST	Tornado Warning	EWX	Williamson	53 min
Nov 15, 12:40 PM CST	Tornado Warning	EWX	DeWitt, Karnes	50 min
Nov 15, 12:55 PM CST	Flash Flood Warning	EWX	Bandera, Kerr, Medina	2 hr
Nov 15, 1:06 PM CST	Flash Flood Warning	EWX	Bexar, Blanco, Burnet, Comal, Gillespie, Hays and 4 more	4 hr
Nov 15, 1:29 PM CST	Tornado Warning	EWX	Gonzales, Karnes	61 min
Nov 15, 2:29 PM CST	Tornado Warning	EWX	Gonzales	61 min
Nov 15, 2:58 PM CST	Tornado Warning	EWX	Hays, Travis	62 min
Nov 15, 3:41 PM CST	Tornado Warning	EWX	Comal, Hays	34 min
Nov 15, 5:00 PM CST	Flash Flood Warning	EWX	Atascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 13 more	4 hr
Nov 15, 5:04 PM CST	Tornado Warning	EWX	Travis, Williamson	56 min
Nov 15, 5:29 PM CST	Tornado Warning	EWX	Comal, Guadalupe	61 min
Nov 15, 5:50 PM CST	Tornado Warning	EWX	Travis, Williamson	70 min

Nearby

Tornado Warnings in Texas, 2001 Every tornado warning in 2001 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.