Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 142, NWS Austin/San Antonio, TX

May 13, 2000Maverick County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 13, 2000, 1:56 AM CDT for Maverick County, Texas. It was in force for 49 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 13, 2000, 1:56 AM CDT (06:56 UTC)
Expired: May 13, 2000, 2:45 AM CDT
In force: 49 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 72 km from the middle of the area, began a volume at 06:57 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.

Issued	Product	Office	Lasted
May 12, 8:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 6.9 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1539 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 3252 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

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

571 
WUUS54 KEWX 130656
SVRSAT
TXC323-130745-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
156 AM CDT SAT MAY 13 2000

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

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

* UNTIL 245 AM CDT

* AT 154 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES NORTH OF EL INDIO...OR ABOUT 7 MILES
  SOUTHEAST OF EAGLE PASS...MOVING SOUTH AT 10 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.


LAT...LON 2830 10027 2845 10013 2906 10014 2902 10057

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 12, 9:40 PM CDT, 4 hours 16 minutes earlier.

Area forecast discussion, May 12, 9:40 PM CDT, 4 hours 16 minutes before

SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
940 PM CDT FRI MAY 12 2000

SOME UPDATE REQUIRED WHEN THE TORNADO WATCH EXPIRES AT 10 PM.  THE
SEVERE THUNDERSTO{RM WATCH CONTINUES IN EFFECT UNTIL 2 AM.

.EWX...NONE.

In the hours before

Local storm report, May 12, 10:30 PM CDT, 3 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
1030 PM CDT FRI MAY 12 2000

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

640 PM    8N LLANO                  TX   .88 INCH HAIL
05/12/00  LLANO                          REPORTED BY OBSERVER

707 PM    4N LLANO                  TX   1.75 INCH HAIL
05/12/00  LLANO                          REPORTED BY SHERIFF

815 PM    3S OXFORD                 TX   1.00 INCH HAIL
05/12/00  LLANO                          REPORTED BY SPOTTER

817 PM    3N BERTRAM                TX   .50 IN HAIL
05/12/00  BURNET                         REPORTED BY SPOTTER

845 PM    HARPER                    TX   .50 IN HAIL
05/12/00  GILLESPIE                      REPORTED BY SPOTTER

847 PM    LIBERTY HILL              TX   1.75 INCH HAIL
05/12/00  WILLIAMSON                     REPORTED BY SHERIFF

847 PM    3N LEANDER                TX   1.00 INCH HAIL
05/12/00  WILLIAMSON                     REPORTED BY SPOTTER

930 PM    INGRAM HILLS              TX   1.75 IN HAIL
05/12/00  KERR                           REPORTED BY SPOTTER

930 PM    INGRAM                    TX   .88 IN HAIL
05/12/00  KERR                           REPORTED BY OBSERVER

Local storm report, May 13, 12:00 AM CDT, 1 hour 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
1200 AM CDT SAT MAY 13 2000

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

1110 PM    BASTROP                   TX   30-50 MPH TSTM WIND GUST
05/12/00   BASTROP                        REPORTED BY SHERIFF

1110       BASTROP                   TX   LIGHTNING DAMAGE
05/12/00   BASTROP                        HOUSE FIRES CAUSED BY
                                          LIGHTNING REPORTED BY
                                          SHERIFF

1110       BASTROP                   TX   LIGHTNING DAMAGE
05/12/00   BASTROP                   o     SEVERAL PEOPLE HIT AND
                                          INJURED BY LIGHTNING.
                                          REPORTED BY SHERIFF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 7:13 PM CDT	Severe Thunderstorm Warning	EWX	Burnet	62 min
May 12, 7:28 PM CDT	Severe Thunderstorm Warning	EWX	Llano	62 min
May 12, 8:03 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	57 min
May 12, 8:12 PM CDT	Severe Thunderstorm Warning	EWX	Burnet	63 min
May 12, 8:25 PM CDT	Severe Thunderstorm Warning	EWX	Llano	35 min
May 12, 8:42 PM CDT	Severe Thunderstorm Warning	EWX	Blanco	63 min
May 12, 8:46 PM CDT	Severe Thunderstorm Warning	EWX	Travis, Williamson	59 min
May 12, 8:55 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	65 min
May 12, 9:08 PM CDT	Severe Thunderstorm Warning	EWX	Kerr	67 min
May 12, 10:50 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell	55 min
May 12, 10:50 PM CDT	Severe Thunderstorm Warning	EWX	Lee	55 min
May 12, 11:11 PM CDT	Severe Thunderstorm Warning	EWX	Uvalde	64 min
May 13, 12:56 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	64 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every 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.