Alert archive / Texas / Tornado Warnings in 2001
Tornado Warning 8, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at May 4, 2001, 3:56 PM CDT for Val Verde 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 4, 2001, 3:56 PM CDT (20:56 UTC)
- Expired
- May 4, 2001, 4:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 95 km from the middle of the area, began a volume at 21:00 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 12:00Z, 8.9 hours before the alert went out and 45 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
- 947 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 11.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KEWX 042057 TORSAT TXC465-042130- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 356 PM CDT FRI MAY 4 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... VAL VERDE * UNTIL 430 PM CDT * AT 356 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 3 MILES SOUTHEAST OF COMSTOCK...MOVING NORTHEAST AT 45 MPH. * THE TORNADO PRODUCING STORM IS EXPECTED TO PASS NEAR COMSTOCK BY 4 PM. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 2961 10133 2948 10119 2973 10086 2987 10109
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 1:42 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 63 min |
| May 4, 1:45 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| May 4, 2:43 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 62 min |
| May 4, 3:45 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| May 4, 4:00 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| May 4, 5:30 PM CDT | Flash Flood Warning | EWX | Edwards | 3 hr |
| May 4, 5:55 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| May 4, 5:58 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 62 min |
| May 4, 6:41 PM CDT | Tornado Warning | EWX | Kinney | 64 min |
| May 4, 6:42 PM CDT | Flash Flood Warning | EWX | Kinney | 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.