Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 3, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 22, 2000, 8:40 PM CST for Llano County, Texas. It was in force for 65 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, 8:40 PM CST (02:40 UTC)
- Expired
- Feb 22, 2000, 9:45 PM CST
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Llano County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 22, 7:00 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.7 hours before the alert went out and 248 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
- 2362 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1410 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 9.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 230242 SVRSAT TXC299-230345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 840 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... LLANO COUNTY * UNTIL 945 PM CST * AT 840 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 23 MILES SOUTHWEST OF LLANO...OR ABOUT 15 MILES SOUTHEAST OF MASON...MOVING EAST AT 20 MPH. THE STORM SHOULD MOVE TO NEAR HIGHWAY 16 SOUTH OF LLANO AROUND 9 PM. LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORJM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. .END/ LAT...LON 3081 9891 3057 9892 3065 9857 3087 9875
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, 8:45 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, 9:46 PM CST | Severe Thunderstorm Warning | EWX | Williamson | 59 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.