Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 38, 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, 5:04 PM CST for Travis County, Williamson County, Texas. It was in force for 56 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, 5:04 PM CST (23:04 UTC)
Expired: Nov 15, 2001, 6:00 PM CST
In force: 56 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, 6:02 PM CST	Tornado F0	Pflugerville, TX	A small and short-lived F0 tornado was spotted by the public who had been trained in NWS public safety programs. The tornado occurred in an open area and caused no damage.

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, 11.1 hours before the alert went out and 257 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.

285 
WFUS54 KEWX 152305
TORSAT
TXC453-491-160000-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 600 PM CST

* AT 504 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG ROTATION THAT MAY PRODUCE A TORNADO AT ANY
  TIME NEAR PFLUGERVILLE...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
  OVER TAYLOR AT 535 PM

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  PFLUGERVILLE
  TAYLOR

A TORNADO WAS REPORTED AT FM 685 AND DESSAU.

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.

VERY HEAVY RAINFALL WILL LIKELY CAUSE ADDITIONAL FLASH FLOODING.

LAT...LON 3043 9770 3031 9755 3062 9725 3086 9760

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, 3:57 PM CST	Tornado Warning	EWX	Travis, Williamson	63 min
Nov 15, 5:00 PM CST	Flash Flood Warning	EWX	Atascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 13 more	4 hr
Nov 15, 5:29 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.