Alert archive / Texas / Tornado Warnings in 2002
Tornado Warning 15, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Apr 7, 2002, 4:29 PM CDT for Val Verde County, Texas. It was in force for 16 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 7, 2002, 4:29 PM CDT (21:29 UTC)
- Expired
- Apr 7, 2002, 4:45 PM CDT
- In force
- 16 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 7, 4:40 PM CDT | Tornado F0 | Del Rio, TX | Val Verde County Sheriff's Deputies observed a second small tornado as it touched down briefly just south of the city of Del Rio. Again, the public in the area reported hearing a roaring sound as the tornado touched down. No damage occurred. |
| Apr 7, 4:40 PM CDT | Hail 3 | Laughlin Afb, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 7, 1:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.5 hours before the alert went out and 4 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
- 1329 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 591 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 311 m²/s²
- 0-3 km storm-relative helicity
- 328 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 8.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KEWX 072129 TORSAT TXC465-072145- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 429 PM CDT SUN APR 7 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... VAL VERDE * UNTIL 445 PM CDT * AT 429 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 3 MILES SOUTHEAST OF DEL RIO...MOVING EAST AT 25 MPH. * THE TORNADO PRODUCING STORM IS EXPECTED TO BE... OVER LAUGHLIN AFB AT 435 PM LAT...LON 2936 10100 2923 10085 2928 10076 2949 10070
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 3:34 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 56 min |
| Apr 7, 3:49 PM CDT | Tornado Warning | EWX | Val Verde | 41 min |
| Apr 7, 4:21 PM CDT | Tornado Warning | EWX | Kinney | 24 min |
| Apr 7, 4:43 PM CDT | Tornado Warning | EWX | Kinney | 62 min |
| Apr 7, 5:44 PM CDT | Tornado Warning | EWX | Kinney | 61 min |
| Apr 7, 6:00 PM CDT | Tornado Warning | EWX | Uvalde | 60 min |
Nearby
Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.