Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 120, NWS Austin/San Antonio, TX

May 1, 2000Lee County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 1, 2000, 10:01 PM CDT for Lee County, Texas. It was in force for 29 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
May 1, 2000, 10:01 PM CDT (03:01 UTC)
Expired
May 1, 2000, 10:30 PM CDT
In force
29 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lee County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.0 hours before the alert went out and 268 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, Fort Worth, TX at 00:00Z on 2000-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 2000-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1535 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 020302
SVRSAT
TXC287-020330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1001 PM CDT MON MAY 1 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

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

* UNTIL 1030 PM CDT

* AT 1001 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES SOUTH OF TANGLEWOOD...OR ABOUT 4 MILES
  NORTH OF LEXINGTON...MOVING EAST AT 40 MPH.

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

R
LAT...LON 3057 9697 3032 9716 3028 9670

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 May 1, 9:20 PM CDT, 41 minutes earlier.

Area forecast discussion, May 1, 9:20 PM CDT, 41 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
920 PM CDT MON MAY 1 2000

925 MB TO 850 MB FRONT OVR AREA TNGT IS EXPECTED TO MOVE E TO SE AS
S/W TROF ON SOUTHERN PART OF LOW PASSES THROUGH AREA.  HAVE INCREASED
CHC OF RAIN...AS LIFT AND INSTABILITY WILL CONT TONIGHT AND INTO
PART OF TUESDAY.  EXPECT PSBL DECREASE IN CHC OF RAIN TUE NIGHT
AND WED...WITH LINGERING CHC OF RAIN PSBL FAR SE PART OF CWA.

NEXT WX SYS APRROACHES FM NW FRI AND SAT...WITH NEXT OPPORTUNITY
FOR RAIN...THEN RIDGE BUILDS IN FM WEST CAUSING LIMITED RAIN
IN A SUN TO THURSDAY TIME WINDOW OF NEXT WEEK.

PRELIMINARY NUMBERS...

DRT 61/81/62/85 3322
AUS 60/74/61/80 9632
SAT 60/76/62/82 8622

.EWX...NONE.

08/03/21

In the hours before

Special weather statement, May 1, 9:12 PM CDT, 49 minutes before
TXZ171>173-183>194-202>209-217>225-228-020930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
912 PM CDT MON MAY 1 2000

...SHOWERS AND THUNDERSTORMS TONIGHT AND INTO PART OF
TUESDAY...

A GOOD CHANCE OF RAIN FROM SHOWERS AND THUNDERSTORMS IS
EXPECTED ACROSS PARTS OF CENTRAL AND SOUTH CENTRAL TEXAS
TONIGHT AND INTO PART OF TUESDAY.

A WEATHER SYSTEM TO THE WEST WILL PASS OVER THE AREA...PROVIDING
A GOOD CHANCE OF RAIN.  AS THIS WEATHER SYSTEM MOVES EAST OF THE
AREA BY WEDNESDAY...THE CHANCE OF RAIN WILL DIMINISH WITH
PARTLY CLOUDY SKIES.  ANOTHER WEATHER SYSTEM COMING FRIDAY
AND SATURDAY MAY PROVIDE ANOTHER CHANCE OF RAIN.

SOME OF TH`E SHOWERS AND THUNDERSTORMS TONIGHT MAY BE
SEVERE.  LOCALLY HEAVY RAIN IS ALSO POSSIBLE.
Local storm report, May 1, 9:58 PM CDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
958 PM CDT MON MAY 1 2000

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

0730 PM    HORSESHOE BAY             TX   .88 INCH HAIL
05/01/00   LLANO

0740 PM    MARBLE FALLS              TX   1.75 INCH HAIL
05/01/00   BURNET

0915 PM    TAYLOR                    TX   1.00 INCH HAIL
05/01/00   WILLIAMSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 7:06 PM CDTSevere Thunderstorm WarningEWXBlanco39 min
May 1, 7:15 PM CDTSevere Thunderstorm WarningEWXLlano45 min
May 1, 7:29 PM CDTSevere Thunderstorm WarningEWXBurnet61 min
May 1, 8:06 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson54 min
May 1, 8:58 PM CDTSevere Thunderstorm WarningEWXWilliamson47 min
May 2, 12:35 AM CDTFlash Flood WarningEWXWilliamson115 min
May 2, 12:53 AM CDTFlash Flood WarningEWXBastrop, Caldwell, Hays, Lee, Travis3 hr
May 2, 12:58 AM CDTFlash Flood WarningEWXKerr3 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.