Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 17, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 7, 2002, 3:34 PM CDT for Val Verde County, Texas. It was in force for 56 min. 1 report 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, 3:34 PM CDT (20:34 UTC)
- Expired
- Apr 7, 2002, 4:30 PM CDT
- In force
- 56 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, 3:35 PM CDT | Hail 1.75 | Pandale, 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, 8.6 hours before the alert went out and 100 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 WUUS54 KEWX 072034 SVRSAT TXC465-072130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 332 PM CDT SUN APR 7 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... VAL VERDE * UNTIL 430 PM CDT * AT 332 PM...THE PUBLIC REPORTED A SEVERE THUNDERSTORM OVER VAL VERDE COUNTY...AT PANDALE...MOVING NORTHEAST AT 30 MPH. GOLF BALL SIZE HAIL WAS FALLING FROM THIS STORM. OTHER STORMS BETWEEN PANDALE AND LANGTRY ARE BECOMING SEVERE. * THE SEVERE THUNDERSTORM WILL BE... RURAL VAL VERDE COUNTY AT 350 PM A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. LAT...LON 3002 10175 2991 10159 2991 10093 3060 10131
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 3:49 PM CDT | Tornado Warning | EWX | Val Verde | 41 min |
| Apr 7, 4:21 PM CDT | Tornado Warning | EWX | Kinney | 24 min |
| Apr 7, 4:29 PM CDT | Tornado Warning | EWX | Val Verde | 16 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
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning 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.