Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 27, NWS Austin/San Antonio, TX

November 15, 2001Kendall County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Nov 15, 2001, 4:52 AM CST for Kendall County, Texas. It was in force for 38 min. 2 reports 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, 4:52 AM CST (10:52 UTC)
Expired
Nov 15, 2001, 5:30 AM CST
In force
38 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Kendall County, TX

The radar

The Austin/San Antonio radar (KEWX), 73 km from the middle of the area, began a volume at 10:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Nov 15, 5:05 AM CSTTornado F0Boerne, TXA small tornado rated F0 struck in the open near Boerne...causing spotty minor damage to trees.
Nov 15, 5:20 AM CSTTornado F0Boerne, TXA second and larger tornado was observed by the Kendall County Sheriff's Department 4 miles west of Boerne along SH46. This tornado moved toward the northeast, causing extensive damage to mobile homes, trees, fences, and roofs. No injuries were reported.

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 nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 10.9 hours before the alert went out and 211 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, Del Rio, TX at 00:00Z on 2001-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1971 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 2001-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
1971 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
705 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
1.6
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

212 
WFUS54 KEWX 151053
TORSAT
TXC259-151130-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 530 AM CST

* AT 452 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 5 MILES
  SOUTHWEST OF BOERNE...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
NEAR BOERNE AT 500 AM
NEAR KENDALIA AT 520 AM


LAT...LON 2983 9892 2974 9876 2977 9867 2995 9846
          3012 9861 3013 9891

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, 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, 10:55 AM CSTTornado WarningEWXTravis50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.