Alert archive / Texas / Tornado Warnings in 2000
Tornado Warning 31, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at May 19, 2000, 7:55 PM CDT for Wilson County, Texas. It was in force for 50 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
- May 19, 2000, 7:55 PM CDT (00:55 UTC)
- Expired
- May 19, 2000, 8:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 53 km from the middle of the area, began a volume at 00:55 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 |
|---|---|---|---|
| May 19, 8:05 PM CDT | Tornado F1 | La Vernia, TX | A small tornado struck a semi-rural area just southwest of the town of LaVernia. It damaged or destroyed several trees and caused damage to around a dozen homes. In a few cases, it pulled very large, old oak trees with diameters over two feet out of the grou |
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
Corpus Christi, TX (KCRP), launched 00:00Z, 0.9 hours before the alert went out and 185 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.
- Mixed-layer CAPE
- 3311 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 625 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 8.1
The text
As transmitted, in the capitals the NWS used until 2016.
540 WFUS54 KEWX 200056 TORSAT TXC493-200145- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 755 PM CDT FRI MAY 19 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... WILSON COUNTY * UNTIL 845 PM CDT * AT 755 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING BETWEEN SAINT HEDWIG AND LA VERNIA... MOVING SOUTHEAST AT 10 MPH. LAT...LON 2923 9826 2906 9807 2931 9795 2936 9815
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:00 PM CDT | Severe Thunderstorm Warning | EWX | Zavala | 60 min |
| May 19, 7:33 PM CDT | Tornado Warning | EWX | Bexar, Medina | 42 min |
| May 19, 7:40 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 65 min |
| May 19, 8:11 PM CDT | Tornado Warning | EWX | Bexar, Medina | 64 min |
| May 19, 8:43 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 62 min |
| May 19, 8:49 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 56 min |
| May 19, 8:50 PM CDT | Flash Flood Warning | EWX | Bexar | 100 min |
| May 19, 9:17 PM CDT | Flash Flood Warning | EWX | Frio | 103 min |
| May 19, 10:55 PM CDT | Flash Flood Warning | EWX | Atascosa | 2 hr |
Nearby
Tornado Warnings in Texas, 2000Every tornado warning in 2000Tornadoes 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.