Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 161, NWS Austin/San Antonio, TX

November 14, 2001Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 14, 2001, 7:15 PM CST for Uvalde County, Texas. It was in force for 60 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, 7:15 PM CST (01:15 UTC)
Expired
Nov 14, 2001, 8:15 PM CST
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.3 hours before the alert went out and 122 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.

904 
WUUS54 KEWX 150118
SVRSAT
TXC463-150215-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 815 PM CST

* AT 715 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  SEVERE THUNDERSTORM OVER UVALDE COUNTY...OR ABOUT 20
  MILES NORTHEAST OF UVALDE...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...NEAR FARM ROAD 187 AND 1796 
  AT 730 PM.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.


LAT...LON 2947 9968 2930 9967 2935 9945 2961 9945
          2961 9954

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, 3:16 PM CST, 3 hours 59 minutes earlier.

Area forecast discussion, Nov 14, 3:16 PM CST, 3 hours 59 minutes before
SOUTH CENTRAL FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
316 PM CST WED NOV 14 2001

UPPER LOW WILL PERSIST AROUND THE EL PASO AREA THROUGH AT LEAST
FRIDAY NIGHT...ALTHOUGH ETA SHOWS SIGNS OF LIFTING NORTHEAST THE
EARLIEST.  FAVOR THE AVN AS UPPER RIDGE BUILDS OVER TOP OF LOW AND
SPLIT FLOW DOES NOT DEVELOP OFF THE WEST COAST UNTIL THE WEEKEND TO
LIFT OUT.  UNTIL THEN...SHORT-WAVES ROTATING AROUND THE LOW...THE
LOW LEVEL JET...AND A DIFFLUENT UPPER FLOW WILL INTERACT WITH PWS OF
1.2 TO 1.5 INCHES TO PRODUCE NUMEROUS TO WIDESPREAD SHOWERS AND
THUNDERSTORMS.  FOR TONIGHT...WILL MENTION SOME POSSIBLY SEVERE DUE
ONGOING THREAT OF VERTICAL SHEAR AND LOW WBZ HEIGHTS.  INTO FRIDAY...
LOCALLY HEAVY RAINFALL ALSO MENTIONED...ALTHOUGH WILL LEAVE OUT FLASH
FLOOD WATCH AS FOR NOW SOILS FAIRLY DRY AND NO LOW LEVEL FOCUS.  OVER
THE WEEKEND...THE SPLIT FLOW WILL CAUSE THE LOW TO OPEN AND LIFT
OUT...HOWEVER...WEAK SHORT-WAVES KEEP POPS GOING INTO EARLY NEXT
WEEK...WHEN A COLD FRONT MOVES THROUGH AND DRIES THINGS OUT.  FOR CCF
TEMPERATURES...WILL GO WITH A BLEND...ALTHOUGH CATEGORY WARMER ON
HIGHS SOUTH CENTRAL DUE SOME BREAKS IN CLOUDS.

PRELIMS...
AUS  061/075 060/075 058  68664
SAT  063/075 062/075 060  68664
DRT  061/071 060/071 060  77764

.EWX...NONE.

04/03

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, 7:50 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, 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.