Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 67, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 17, 2002, 3:47 AM CDT for Guadalupe County, Wilson County, Texas. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 17, 2002, 3:47 AM CDT (08:47 UTC)
- Expired
- May 17, 2002, 4:45 AM CDT
- In force
- 58 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Guadalupe County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 44 km from the middle of the area, began a volume at 08:51 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 00:00Z, 8.8 hours before the alert went out and 189 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
- 3134 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 170847 SVRSAT TXC187-493-170945- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 346 AM CDT FRI MAY 17 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... GUADALUPE WILSON * UNTIL 445 AM CDT * AT 346 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS INCREASING OVER WILSON AND GUADALUPE COUNTIES... AS THEY MOVE EAST AT 25 MPH. WIND GUSTS OF 40 TO 60 MPH...SOME HAIL AND DEADLY LIGHTNING IS POSSIBLE WITH THESE THUNDERSTORMS OVER PARTS OF GUADALUPE AND WILSON COUNTIES THROUGH 445 AM CDT. LAT...LON 2914 9814 2908 9806 2959 9786 2958 9817
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 9:44 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 46 min |
| May 16, 10:32 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 73 min |
| May 16, 11:08 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 37 min |
| May 16, 11:42 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 63 min |
| May 17, 3:03 AM CDT | Severe Thunderstorm Warning | EWX | Bexar | 57 min |
| May 17, 4:26 AM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 64 min |
| May 17, 4:01 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr | 59 min |
| May 17, 4:43 PM CDT | Flash Flood Warning | EWX | Bandera, Kerr | 2 hr |
| May 17, 4:55 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina | 65 min |
| May 17, 5:13 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr, Real | 62 min |
| May 17, 5:53 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 67 min |
| May 17, 6:41 PM CDT | Flash Flood Warning | EWX | Edwards, Real | 109 min |
| May 17, 6:47 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 58 min |
| May 17, 6:59 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 46 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.