Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 7, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 22, 2000, 9:46 PM CST for Williamson County, Texas. It was in force for 59 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
- Feb 22, 2000, 9:46 PM CST (03:46 UTC)
- Expired
- Feb 22, 2000, 10:45 PM CST
- In force
- 59 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Williamson County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 3.8 hours before the alert went out and 236 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
- 217 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 230348 SVRSAT TXC491-230445- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 946 PM CST TUE FEB 22 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... WILLIAMSON COUNTY * UNTIL 1045 PM CST * AT 946 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF FLORENCE...OR ABOUT 12 MILES NORTHEAST OF BERTRAM...MOVING NORTHEAST AT 20 MPH. * STRONG WINDS 55 MPH OR GREATER ARE EXPECTED ACROSS NORTHWESTERN WILLIAMSON COUNTY INCLUDING ANDICE AND FLORENCE. .END/ LAT...LON 3090 9776 3064 9793 3048 9732 3070 9736
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 7:47 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 28 min |
| Feb 22, 8:08 PM CST | Tornado Warning | EWX | Edwards | 67 min |
| Feb 22, 8:19 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 56 min |
| Feb 22, 8:23 PM CST | Tornado Warning | EWX | Val Verde | 67 min |
| Feb 22, 8:40 PM CST | Severe Thunderstorm Warning | EWX | Llano | 65 min |
| Feb 22, 8:45 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 60 min |
| Feb 22, 8:47 PM CST | Severe Thunderstorm Warning | EWX | Gillespie | 58 min |
| Feb 22, 8:54 PM CST | Severe Thunderstorm Warning | EWX | Real | 66 min |
| Feb 22, 8:59 PM CST | Tornado Warning | EWX | Kinney | 31 min |
| Feb 22, 9:07 PM CST | Tornado Warning | EWX | Edwards | 38 min |
| Feb 22, 9:30 PM CST | Tornado Warning | EWX | Kinney | 30 min |
| Feb 22, 9:55 PM CST | Tornado Warning | EWX | Kinney | 35 min |
| Feb 22, 10:06 PM CST | Tornado Warning | EWX | Uvalde | 39 min |
| Feb 22, 10:36 PM CST | Tornado Warning | EWX | Uvalde | 39 min |
| Feb 22, 11:10 PM CST | Severe Thunderstorm Warning | EWX | Medina | 65 min |
| Feb 22, 11:30 PM CST | Severe Thunderstorm Warning | EWX | Frio, Uvalde, Zavala | 60 min |
| Feb 22, 11:44 PM CST | Tornado Warning | EWX | Zavala | 76 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; the sounding from the Mesonet's radiosonde archive.