Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 168, NWS Austin/San Antonio, TX

November 15, 2001Guadalupe County, Wilson County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 15, 2001, 7:37 PM CST for Guadalupe County, Wilson County, Texas. It was in force for 53 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 15, 2001, 7:37 PM CST (01:37 UTC)
Expired
Nov 15, 2001, 8:30 PM CST
In force
53 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Guadalupe County, TX, Wilson County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 15, 5:45 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.6 hours before the alert went out and 198 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, Corpus Christi, TX at 00:00Z on 2001-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2644 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, Corpus Christi, TX at 00:00Z on 2001-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.193958Sfc1 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
2644 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
634 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
3.0
Supercell composite
15.4

Open this sounding in Storm Lab

The text

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

195 
WUUS54 KEWX 160138
SVRSAT
TXC187-493-160230-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  GUADALUPE
  WILSON

* UNTIL 830 PM CST

* AT 737 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NEW BERLIN...OR ABOUT 11 MILES SOUTHEAST
  OF SCHERTZ...MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  4 MILES NORTH OF LA VERNIA AT 745 PM
  3 MILES SOUTH OF NEW BERLIN AT 750 PM

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  LA VERNIA
  NEW BERLIN

A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND DO 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 2953 9808 2933 9822 2925 9780 2936 9788
          2952 9776

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 15, 3:05 PM CST, 4 hours 32 minutes earlier.

Area forecast discussion, Nov 15, 3:05 PM CST, 4 hours 32 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
305 PM CST THU NOV 15 2001

UPPER LOW CENTERED NEAR GUADALUPE PEAK TO CONTINUE CHURNING OUT BITS
OF ENERGY ON ITS SOUTH SIDE.  AS THESE VORTICIES COLLIDE WITH THE
MOIST AND UNSTABLE AIR MASS OVER SOUTH CENTRAL TEXAS AND THE HILL
COUNTRY TONIGHT AND FRIDAY...EXPECT MORE LOCALLY HEAVY RAIN EVENTS
ON TOP OF WHAT WEVE ALREADY RECEIVED LAST NIGHT AND TODAY.  A BRIEF
RESPITE NOTED IN RADAR AND SATELLITE DISPLAYS BUT THIS WILL BE SHORT
LIVED AS SATELLITE IMAGERY ALREADY SHOWS A SPEED MAX JETTING ACROSS
THE BIG BEND AND NORTHERN MEXICO TOWARD THE RIO GRANDE WITH
CONVECTION ONCE MORE BLOSSOMING WEST OF THE RIVER IN RESPONSE TO
THIS UPPER-LEVEL FEATURE.

UPPER LOW FORECAST TO MOVE OUT ON SUNDAY WITH SOME MENTION OF PRECIP
REMAINING IN THE EXTENDED FORECAST MUCH OF NEXT WEEK.

WILL CONTINUE THE FLASH FLOOD WATCH THROUGH TONIGHT AND MENTION THE
POSSIBILITY OF SEVERE THUNDERSTORMS IN THE BODY OF THE FORECAST.
TORNADO WATCH TO RUN UNTIL 6 PM CST.

.PRELIMINARY NUMBERS...
AUS 62/72/60/73 9876
DRT 60/72/60/72 7765
SAT 63/72/62/73 9876

.EWX...FLASH FLOOD WATCH TONIGHT ALL OF SOUTH CENTRAL TEXAS AND HILL
COUNTRY.

In the hours before

Local storm report, Nov 15, 3:40 PM CST, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
340 PM CST THU NOV 15 2001

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

312 PM    4 N SAN MARCOS            TX   TORNADO
11/15/01   HAYS                           REPORTED BY LAW
                                          ENFORCEMENT

315 PM    2 S BUDA                  TX   TORNADO
11/15/01   HAYS                           REPORTED BY LAW
                                          ENFORCEMENT

335 PM    4 S AUSTIN BEN WHITE & I35  TX   TORNADO ON GROUND
11/15/01   TRAVIS                          REPORTED BY CITY OF
                                           AUSTIN

WR
Local storm report, Nov 15, 7:34 PM CST, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
734 PM CST THU NOV 15 2001

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0944 AM    CANYON LAKE               TX   FLASH FLOODS
11/15/01   COMAL                          ROADS UNDERWATER WEST OF
                                          HWY 181 AND NORTH OF CANYON
                                          LAKE
                                          REPORTED BY LAW ENFORCEMENT

1120 AM    FREDERICKSBURG            TX   FLASH FLOODS
11/15/01   GILLESPIE                      HWY 290 WEST BETWEEN
                                          FREDERICKSBURG AND HARPER
                                          CLOSED. WATER ONE FOOT DEEP
                                          AT PLANT CREEK CROSSING
                                          REPORTED BY LAW ENFORCEMENT

1255 PM    KENEDY                    TX   TORNADO
11/15/01   KARNES                         TORNADO AT TDJC
                                          PRISONREPORTED BY LAW
                                          ENFORCEMENT

0107 PM    2 S KENEDY                TX   FUNNEL CLOUD
11/15/01   KARNES                         FUNNEL CLOUD
                                          REPORTED BY LAW
                                          ENFORCEMENT

0325 PM    BLANCO                    TX   FLASH FLOODS
11/15/01   BLANCO                         ALL COUNTY ROADS
                                          CLOSED
                                          REPORTED BY MEDIA

0348 PM    AUSTIN                    TX   TORNADO
11/15/01   TRAVIS                         TORNADO AT BEN WHITE AND I
                                          35 IN AUSTIN. 3 LARGE
                                          EVERGREEN TREES BROKEN OFF
                                          AT THE ROOTS. NUMEROUS
                                          MAILBOXES BLOWN OVER.
                                          CARPORTS TORN UP INSIDE APT
                                          COMPLEX
                                          REPORTED BY PUBLIC

0420 PM    BOERNE                    TX   TORNADO
11/15/01   KENDALL                        HOUSE WITH ROOF OFF AT
                                          BOERNE. RANCHER SAW TORNADO
                                          AT FM 300 AND HWY 46.
                                          REPORTED BY HAM

0940 AM    WIMBERLY                  TX   TORNADO
11/15/01   HAYS                           TORNADO REPORTED BY PUBLIC

0420 PM    SAN ANTONIO               TX   FLASH FLOODS
11/15/01   BEXAR                          DEZAVALA AND I 10
                                          FLOODED
                                          REPORTED BY HAM

0445 PM    AUSTIN                    TX   TORNADO
11/15/01   TRAVIS                         TORNADO NEAR YAGER
                                          LANE
                                          REPORTED BY PUBLIC

0501 PM    AUSTIN                    TX   TORNADO
11/15/01   TRAVIS                         TORNADO WITH DEBRIS AT 685
                                          AND DESSAU
                                          REPORTED BY PUBLIC                                       PUBLIC

0515 PM    ROCKSPRINGS               TX   FLASH FLOODS
11/15/01   EDWARDS                        *** 1 DEAD ***
                                          PREGNANT LADY DROWNED
                                          REPORTED BY MEDIA

1000 AM    BLANCO                    TX   FLASH FLOODS
11/15/01   BLANCO                         *** 1 DEAD ***
                                          MAN IN PICKUP DROWNED
                                          SOUTH OCBH
BCB|&,/A| 8H
hF| |9|xx|BH
A

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 15, 6:32 PM CSTTornado WarningEWXCaldwell, Guadalupe73 min
Nov 15, 6:40 PM CSTSevere Thunderstorm WarningEWXBexar65 min
Nov 15, 9:00 PM CSTFlash Flood WarningEWXBastrop, Caldwell, Comal, Guadalupe, Hays, Lee and 2 more5 hr
Nov 15, 11:13 PM CSTFlash Flood WarningEWXGuadalupe2 hr
Nov 15, 11:15 PM CSTSevere Thunderstorm WarningEWXBastrop, Lee75 min
Nov 16, 2:00 AM CSTFlash Flood WarningEWXLee2 hr
Nov 16, 12:03 PM CSTFlash Flood WarningEWXBandera, Kendall, Kerr3 hr
Nov 16, 1:01 PM CSTSevere Thunderstorm WarningEWXKinney59 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.