Alert archive / Texas / Tornado Warnings in 2003
Tornado Warning 13, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Aug 11, 2003, 3:41 PM CDT for Medina County, Texas. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 11, 2003, 3:41 PM CDT (20:41 UTC)
- Expired
- Aug 11, 2003, 4:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Medina County, TX
The radar
The Austin/San Antonio radar (KEWX), 96 km from the middle of the area, began a volume at 20:45 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 11, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 8.7 hours before the alert went out and 187 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
- 1994 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KEWX 112041 TORSAT TXC325-112115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 342 PM CDT MON AUG 11 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... MEDINA * UNTIL 415 PM CDT * AT 342 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 3 MILES SOUTHEAST OF CASTROVILLE...MOVING SOUTH AT 20 MPH. * THE TORNADO PRODUCING STORM IS EXPECTED TO BE... OVER NATALIA AT 400 PM OVER DEVINE AT 410 PM LAT...LON 2942 9882 2941 9892 2912 9914 2912 9884 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:04 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 56 min |
| Aug 11, 2:11 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 64 min |
| Aug 11, 2:12 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 63 min |
| Aug 11, 2:18 PM CDT | Severe Thunderstorm Warning | EWX | Comal | 57 min |
| Aug 11, 2:36 PM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lee | 54 min |
| Aug 11, 3:00 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 60 min |
| Aug 11, 3:08 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 52 min |
| Aug 11, 3:32 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 58 min |
| Aug 11, 3:45 PM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lavaca | 60 min |
| Aug 11, 3:58 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 62 min |
| Aug 11, 4:05 PM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lavaca | 40 min |
| Aug 11, 4:13 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 62 min |
Nearby
Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes in 2003
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.