Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 24, NWS Austin/San Antonio, TX

March 28, 2000Bexar County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 28, 2000, 6:53 PM CST for Bexar County, Texas. It was in force for 67 min. 2 reports 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: Mar 28, 2000, 6:53 PM CST (00:53 UTC)
Expired: Mar 28, 2000, 8:00 PM CST
In force: 67 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 53 km from the middle of the area, began a volume at 01:07 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.

What was reported inside it

Time	Report	Where	Remark
Mar 28, 7:01 PM CST	Hail 2.75	Leon Vly, TX
Mar 28, 7:11 PM CST	Tornado F0	Leon Vly, TX

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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 28, 6:00 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.9 hours before the alert went out and 223 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: 1046 J/kg
Mixed-layer CIN: -235 J/kg
Mixed-layer LCL: 923 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 125 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 
WFUS54 KEWX 290054
TORSAT
TXC029-290200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
653 PM CST TUE MAR 28 2000

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

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  BEXAR COUNTY

* UNTIL 800 PM CST

* AT 653 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 3 MILES
  SOUTHEAST OF LEON VALLEY...OR ABOUT 5 MILES WEST OF SAN ANTONIO...
  MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  DOWNTOWN SAN ANTONIO AROUND 705 PM CST
  ALAMO HEIGHTS AROUND 710 PM CST
  TERRELL HILLS AROUND 715 PM CST
  KIRBY AROUND 725 PM CST
  CHINA GROVE AROUND 735 PM CST
  ST. HEDWIG AROUND 755 PM CST

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
STAY ALERT TO THE POSSIBILITY OF FLASH FLOODING.

.END/ LAT...LON 2947 9873 2924 9835 2947 9817 2962 9851

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 6:16 PM CST	Tornado Warning	EWX	Blanco	59 min
Mar 28, 6:38 PM CST	Tornado Warning	EWX	Hays	52 min
Mar 28, 6:41 PM CST	Severe Thunderstorm Warning	EWX	Bexar	64 min
Mar 28, 6:50 PM CST	Severe Thunderstorm Warning	EWX	Medina	40 min
Mar 28, 7:06 PM CST	Severe Thunderstorm Warning	EWX	Hall	24 min
Mar 28, 7:33 PM CST	Tornado Warning	EWX	Caldwell, Hays	42 min
Mar 28, 7:54 PM CST	Tornado Warning	EWX	Bexar, Wilson	51 min
Mar 29, 2:34 AM CST	Severe Thunderstorm Warning	EWX	Burnet, Llano	56 min
Mar 29, 3:26 AM CST	Severe Thunderstorm Warning	EWX	Llano	64 min
Mar 29, 4:00 AM CST	Severe Thunderstorm Warning	EWX	Burnet	60 min
Mar 29, 6:03 AM CST	Severe Thunderstorm Warning	EWX	Hays	27 min

Nearby

Tornado Warnings in Texas, 2000 Every tornado warning in 2000 Tornadoes 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; radar from the NEXRAD Level II archive.