Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 164, NWS Austin/San Antonio, TX

November 14, 2001Bandera County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 14, 2001, 11:47 PM CST for Bandera County, Texas. It was in force for 73 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 14, 2001, 11:47 PM CST (05:47 UTC)
Expired
Nov 15, 2001, 1:00 AM CST
In force
73 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Bandera County, TX

The radar

The Austin/San Antonio radar (KEWX), 111 km from the middle of the area, began a volume at 05:46 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.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 5.8 hours before the alert went out and 165 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°0°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.

620 
WUUS54 KEWX 150549
SVRSAT
TXC019-150700-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1147 PM CST WED NOV 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  BANDERA

* UNTIL 100 AM CST

* AT 1147 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR TARPLEY OR 15 MILES SOUTHWEST OF 
  BANDERA MOVING NORTHEAST AT 20 MPH TOWARD BANDERA.

* THE SEVERE THUNDERSTORM WILL BE...
  AT BANDERA AT 1205 AM

HAIL UP TO GOLF BALL SIZE IN DIAMETER HAS BEEN REPORTED WITH THIS 
STORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A 
GARAGE AND MOVE TO A SUBSTANTIAL SHELTER.


LAT...LON 2967 9934 2963 9912 2972 9894 2986 9916

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 14, 9:06 PM CST, 2 hours 41 minutes earlier.

Area forecast discussion, Nov 14, 9:06 PM CST, 2 hours 41 minutes before
SOUTH CENTRAL FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
906 PM CST WED NOV 14 2001

...WILL ISSUE FLASH FLOOD WATCH FOR ALL AREAS THROUGH TOMORROW
AFTERNOON...

SHORTWAVE MOVING EAST ALONG THE SOUTH SIDE OF THE UPPER LOW OVER ELP
WILL LIKELY SUPPORT THE COMPLEX OF THUNDERSTORMS NOW MOVING ACROSS
VAL VERDE COUNTY. AS THIS THUNDERSTORM AREA SPEADS SOUTHEAST AND
MOVES OVER SATURATED GROUNDS THE POTENTIAL FOR ADDITIONAL FLOODING
EXISTS ACROSS MUCH OF SOUTH CENTRAL TEXAS. MEANWHILE TRAINING OF
ECHOES CONTINUE ACROSS CENTRAL SECTIONS OF SOUTH CENTRAL TEXAS.
PRECIPITABLE WATER VALUES ARE RUNNING CLOSE TO 200% OF NORMAL. WILL
GO AHEAD AND HOIST THE FLASH FLOOD WATCH FOR ALL OF SOUTH CENTRAL
TEXAS AS MODELS KEEP THE WHOLE AREA IN A GOOD CHANCE OF RAIN THROUGH
THE NEXT TWO DAYS. WILL ALSO EXTEND SEVERE MENTION THROUGH TONIGHT
AS MODELS CONTINUE TO INDICATE HEALTHY INFLOW INTO GOOD INSTABILITY
AND DYNAMICS ALOFT. POPS, TEMPS AND WINDS LOOK FINE FOR NOW.

.EWX...FFA ALL AREAS THROUGH THURSDAY AFTERNOON.

18/1

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 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, 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

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.