Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 71, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 29, 2000, 3:26 AM CST for Llano County, Texas. It was in force for 64 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
- Mar 29, 2000, 3:26 AM CST (09:26 UTC)
- Expired
- Mar 29, 2000, 4:30 AM CST
- In force
- 64 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Llano County, TX
The radar
The Austin/San Antonio radar (KEWX), 135 km from the middle of the area, began a volume at 09:28 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 nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 9.4 hours before the alert went out and 238 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
- 290 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 2746 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 290929 SVRSAT TXC299-291030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 326 AM CST WED MAR 29 2000 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... LLANO COUNTY * UNTIL 430 AM CST * AT 326 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 22 MILES WEST OF LLANO...OR ABOUT 15 MILES SOUTHEAST OF MASON...MOVING EAST AT 30 MPH. * THIS WARNING INCLUDES LOCATIONS IN AND AROUND... CASTELL LLANO VALLEY SPRING LONE GROVE BLUFFTON LAKE BUCHANAN VERY LARGE HAIL IS POSSIBLE WkITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. .END/ LAT...LON 3067 9913 3054 9899 3057 9848 3090 9864
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, 6:53 PM CST | Tornado Warning | EWX | Bexar | 67 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, 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
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; radar from the NEXRAD Level II archive.