Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 171, NWS Austin/San Antonio, TX

November 2, 2000Hays County, Travis County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 2, 2000, 4:16 PM CST for Hays County, Travis County, Texas. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 2, 2000, 4:16 PM CST (22:16 UTC)
Expired
Nov 2, 2000, 5:15 PM CST
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Hays County, TX, Travis County, TX

The radar

The Austin/San Antonio radar (KEWX), 56 km from the middle of the area, began a volume at 22:18 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 watch it was issued in

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

IssuedProductOfficeLasted
Nov 2, 1:15 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.3 hours before the alert went out and 280 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 12:00Z on 2000-11-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1583 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2000-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1583 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 022217
SVRSAT
TXC209-453-022315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
416 PM CST THU NOV 2 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  TRAVIS COUNTY
  HAYS COUNTY

* UNTIL 515 PM CST

* AT 416 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERST@ORM 11 MILES WEST OF LAKEWAY...OR ABOUT 9 MILES
  NORTHWEST OF DRIPPING SPRINGS...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  5 MILES NORTHWEST OF LAKEWAY AT 435 PM CST
  OVER LAGO VISTA AT 445 PM CST

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 2, 2:45 PM CST, 1 hour 31 minutes earlier.

Area forecast discussion, Nov 2, 2:45 PM CST, 1 hour 31 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
245 PM CST THU NOV 2 2000

NUMBER OF FACTORS COMING INTO PLAY THIS AFTERNOON THAT HAS RESULTED
IN THE THREAT OF HEAVY RAINFALL OVERNIGHT INTO FRI.  WK NE-SW ORIENTED
FRONTAL BOUNDARY REMAINS NEARLY STATIONARY ACROSS THE HILL COUNTRY
WITH VERY MOIST UNSTABLE AMS(LAPS LI'S -6 TO -8) SOUTH OF THE FNT.
PW'S FORECAST TO CONT WELL ABOVE NORMAL IN THE 1.5 TO NR 2 INCHES
FOR THE NEXT 24 TO 36 HRS WITH AN INVERTED TROF/CDFNT FORMING FRI
AFTN/EVENING.  SWLY FLOW ALOFT NEARLY PARALLEL TO THE SFC BOUNDARY
LIKELY TO RESULT IN TRAINING ECHOES ALONG THE BOUNDARY.  IN ADDITION
THREAT OF SVR AS STG SUBTRPL JET PUNCHES NEWD FM MEX INTO W CNTRL TX
OVERNIGHT...WITH MUCH OF CWA IN RRQ OF JET MAX THRU THE EVENING AS
PER ETA.  APPEARS THREAT OF HEAVY RAIN TO CONT THRU FRI NIGHT AS SFC
BOUNDARY GETS PUSHED BACK THRU THE CWA BEHIND BUILDING SFC RDG AND
PERHAPS A TEMPORARY DECREASE IN POPS FROM THE WEST SATURDAY...BEFORE
OVERRUNNING RESUMES SUN/MON.  ANOTHER WET CDFNT TUE AS ANOTHER LOW
LAT LOW KICKS OUT NEWD FROM NRN MEX INTO TX WED/THU.

WIDESPREAD RAINFALL TOTALS OF 1 TO 3 INCHES EXPECTED ACROSS WATCH
AREA NEXT 12-24 HOURS WITH ISOLD 4 TO 6 INCHES.  FFA WILL BE ISSUED
FOR ALL BUT THREE SWRN COUNTIES WHERE FLASH FLOOD GUID NUMBERS
REMAIN RELATIVELY HIGH.

PRELIMS...
AUS 68/78 63/68 8887
SAT 71/79 65/72 8887
DR/T 65/74 59/69 8876

.EWX...FLASH FLOOD WATCH S CNTRL TX AND HILL COUNTRY THRU FRI
       MORNING.
       RIVER FLOOD WATCH PORTIONS OF CENTRAL TX THRU FRI EVENING.
       SEVERE TSTM WATCH UNTIL 6 PM CST.

01/13

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 2, 2:34 PM CSTSevere Thunderstorm WarningEWXBlanco, Kendall56 min
Nov 2, 2:47 PM CSTSevere Thunderstorm WarningEWXCaldwell, Gonzales58 min
Nov 2, 2:58 PM CSTSevere Thunderstorm WarningEWXBastrop, Travis62 min
Nov 2, 3:27 PM CSTSevere Thunderstorm WarningEWXBlanco, Hays63 min
Nov 2, 3:37 PM CSTSevere Thunderstorm WarningEWXBandera, Kerr53 min
Nov 2, 3:39 PM CSTFlash Flood WarningEWXTravis3 hr
Nov 2, 4:19 PM CSTFlash Flood WarningEWXBandera, Kendall, Kerr3 hr
Nov 2, 4:48 PM CSTTornado WarningEWXKendall, Kerr27 min
Nov 2, 4:51 PM CSTFlash Flood WarningEWXLee3 hr
Nov 2, 5:21 PM CSTFlash Flood WarningEWXBlanco3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

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.