Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 152, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Dec 30, 2002, 5:00 PM CST for Gonzales County, Texas. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 30, 2002, 5:00 PM CST (23:00 UTC)
- Expired
- Dec 30, 2002, 6:00 PM CST
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Gonzales County, TX
The radar
The Austin/San Antonio radar (KEWX), 59 km from the middle of the area, began a volume at 23:03 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
Corpus Christi, TX (KCRP), launched 12:00Z, 11.0 hours before the alert went out and 193 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
- 302 J/kg
- Mixed-layer CIN
- -271 J/kg
- Mixed-layer LCL
- 652 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
875 WUUS54 KEWX 302300 SVRSAT TXC177-310000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 PM CST MON DEC 30 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... GONZALES * UNTIL 600 PM CST * AT 500 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER NIXON...OR ABOUT 11 MILES EAST OF STOCKDALE...MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE... 7 MILES SOUTHEAST OF PALMETO AT 525 PM 3 MILES NORTHWEST OF GONZALES AT 530 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. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 1:26 PM CST | Severe Thunderstorm Warning | EWX | Kerr, Real | 64 min |
| Dec 30, 1:48 PM CST | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 42 min |
| Dec 30, 1:53 PM CST | Severe Thunderstorm Warning | EWX | Medina | 37 min |
| Dec 30, 1:57 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 63 min |
| Dec 30, 2:05 PM CST | Tornado Warning | EWX | Bexar | 55 min |
| Dec 30, 2:26 PM CST | Tornado Warning | EWX | Comal | 64 min |
| Dec 30, 3:05 PM CST | Tornado Warning | EWX | Hays | 55 min |
| Dec 30, 3:18 PM CST | Tornado Warning | EWX | Caldwell | 57 min |
| Dec 30, 3:28 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 62 min |
| Dec 30, 3:29 PM CST | Severe Thunderstorm Warning | EWX | Travis | 61 min |
| Dec 30, 3:50 PM CST | Severe Thunderstorm Warning | EWX | Guadalupe | 55 min |
| Dec 30, 3:53 PM CST | Severe Thunderstorm Warning | EWX | Comal | 52 min |
| Dec 30, 3:58 PM CST | Tornado Warning | EWX | Bastrop | 62 min |
| Dec 30, 3:59 PM CST | Severe Thunderstorm Warning | EWX | Williamson | 61 min |
| Dec 30, 4:22 PM CST | Tornado Warning | EWX | Williamson | 53 min |
| Dec 30, 5:11 PM CST | Tornado Warning | EWX | Bastrop, Fayette, Lee | 64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.