Alert archive / Texas / Tornado Warnings in 2001
Tornado Warning 10, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at May 4, 2001, 7:35 PM CDT for Maverick County, Texas. It was in force for 40 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
- May 4, 2001, 7:35 PM CDT (00:35 UTC)
- Expired
- May 4, 2001, 8:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Maverick County, TX
The radar
The Laughlin AFB radar (KDFX), 77 km from the middle of the area, began a volume at 00:36 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 |
|---|---|---|---|
| May 4, 4:30 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.6 hours before the alert went out and 103 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
- 73 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 906 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KEWX 050036 TORSAT TXC323-050115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 735 PM CDT FRI MAY 4 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... MAVERICK * UNTIL 815 PM CDT * AT 735 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 4 MILES NORTH OF EL INDIO...MOVING EAST AT 20 MPH. * THIS WARNING INCLUDES LOCATIONS IN AND AROUND... EL INDIO LAT...LON 2859 10044 2846 10030 2848 10012 2878 10014
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 7:12 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 63 min |
| May 4, 7:54 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Real | 66 min |
| May 4, 8:06 PM CDT | Flash Flood Warning | EWX | Bandera, Uvalde | 114 min |
| May 4, 8:15 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Zavala | 60 min |
| May 4, 10:14 PM CDT | Tornado Warning | EWX | Frio | 46 min |
| May 5, 2:20 AM CDT | Flash Flood Warning | EWX | Bandera, Real, Uvalde | 3 hr |
| May 5, 3:22 PM CDT | Flash Flood Warning | EWX | Karnes | 113 min |
| May 5, 3:45 PM CDT | Flash Flood Warning | EWX | Lavaca | 2 hr |
| May 5, 4:01 PM CDT | Flash Flood Warning | EWX | DeWitt | 119 min |
| May 5, 5:02 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 88 min |
| May 5, 5:41 PM CDT | Flash Flood Warning | EWX | Lavaca | 2 hr |
Nearby
Tornado Warnings in Texas, 2001Every tornado warning in 2001Tornadoes in 2001
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.