Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 158, NWS Austin/San Antonio, TX

September 2, 2000Lee County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Sep 2, 2000, 6:35 PM CDT for Lee County, Texas. It was in force for 55 min. 1 report came from 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, with what was reported inside it.

The facts

Issued
Sep 2, 2000, 6:35 PM CDT (23:35 UTC)
Expired
Sep 2, 2000, 7:30 PM CDT
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lee County, TX

What was reported inside it

TimeReportWhereRemark
Sep 2, 6:35 PM CDTThunderstorm WindGiddings, TXSevere thunderstorm winds blew the roofs off several businesses in Giddings.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.6 hours before the alert went out and 275 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 12:00Z on 2000-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 476 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, Fort Worth, TX at 12:00Z on 2000-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939Sfc1 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
476 J/kg
Mixed-layer CIN
-223 J/kg
Mixed-layer LCL
2698 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 022337
SVRSAT
TXC287-030030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
635 PM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 730 PM CDT

* AT 635 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES SOUTHEAST OF DIME BOX...OR ABOUT 11
  MILES EAST OF GIDDINGS...MOVING SOUTHEAST AT 20 MPH.

* PERSONS IN AND NEAR THE COMMUNITIES OF LEXINGTON...LINCOLN AND     
  GIDDINGS CAN EXPECT FREQUENT LIGHTNING...GUSTY DAMAGING WINDS AND 
  BRIEF MODERATE TO LO0CALLY HEAVY RAINFALL UNTIL THESE STORMS PASS. 

LAT...LON 3053 9697 3037 9727 3014 9693 3031 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 Sep 2, 2:00 PM CDT, 4 hours 35 minutes earlier.

Area forecast discussion, Sep 2, 2:00 PM CDT, 4 hours 35 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
200 PM CDT SAT SEP 02 2000

A FEW OF THE CUMULI WHICH ARE FORMING OVER THE EASTERN HALF OF THE
AREA COULD DEVELOP INTO ISOLATED TO SCATTERED THUNDERSTORMS WITH THE
ADDITIONAL AFTERNOON HEATING.  ANY THUNDERSTORMS WHICH DO DEVELOP
SHOULD DISSIPATE AROUND SUNSET.  THE ETA AND AVN SHOW CONTINUED VERY
HOT MAINLY DRY CONDITIONS OVER THE FORECAST AREA THROUGH MONDAY AT
LEAST.  SO WILL FORECAST GENERAL PERSISTENCE IN THE 1-2 DAY FORECAST.
WINDS SHOULD NOT BE STRONG ENOUGH TO CONTINUE THE RED FLAG WARNING.

IN THE 3-5 DAY FORECAST...THE MAJOR TROF OVER THE NORTHWEST U.S.
WORKS INLAND THROUGH THE MIDDLE PART OF THE WEEK AND A MAJOR SHIFT
IN THE GENERAL UPPER AIR PATTERN NOW SEEMS TO BE COMING INTO PLAY.
AN UPPER-LEVEL JET DEVELOPS INTO THE SOUTHWEST U.S.  IN ASSOCIATION
WITH THE STRONG TROF OVER THE NORTHERN PLAINS A BETTER LIFTING
PATTERN DEVELOPS...PARTICULARLY BY THE FRI AND SAT PERIOD.  THE
ENSEMBLE PRECIP CHARTS ALSO SHOW INCREASED RAIN CHANCES AS THE END
OF THE WEEK APPROACHES.  PREVIOUS FORECAST POINTED IN THIS WETTER
DIRECTION AND WILL KEEP THAT TREND IN THE WORDING FOR SAT AS WELL.

PRELIMINARY NUMBERS...
AUS 73/105/72/105 1111
SAT 75/102/75/102 1111
DRT 77/104/77/104 0000

.EWX...NONE.

16/02/DC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 6:47 PM CDTSevere Thunderstorm WarningEWXBastrop43 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.