Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 52, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 25, 1997, 1:53 PM CDT for Caldwell County, Texas. It was in force for 67 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 25, 1997, 1:53 PM CDT (18:53 UTC)
- Expired
- Apr 25, 1997, 3:00 PM CDT
- In force
- 67 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Caldwell County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 25, 2:00 PM CDT | Hail 0.75 | Luling, TX | |
| Apr 25, 2:05 PM CDT | Hail 1.25 | Luling, TX | |
| Apr 25, 2:10 PM CDT | Hail 1.5 | Luling, TX | Damage was reported to numerous vehicles due to the 1.5 inch hail in Luling. |
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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 6.9 hours before the alert went out and 236 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
- 2699 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 493 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 13.7
The text
As transmitted, in the capitals the NWS used until 2016.
197 WUUS1 KSAT 251855 SVRSAT TXC055-252000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 153 PM CDT FRI APR 25 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...CALDWELL COUNTY AT 255 PM CDT...A SEVERE THUNDERSTORM WAS MOVING INTO SOUTHERN CALDWELL COUNTY NEAR LULING. THIS STORM WILL MOVE NORTH AT 25 MPH. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY OF LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 8:33 AM CDT | Flash Flood Warning | EWX | Val Verde | 117 min |
| Apr 25, 10:20 AM CDT | Flash Flood Warning | EWX | Edwards | 115 min |
| Apr 25, 11:11 AM CDT | Severe Thunderstorm Warning | EWX | Blanco | 64 min |
| Apr 25, 11:17 AM CDT | Severe Thunderstorm Warning | EWX | Burnet | 58 min |
| Apr 25, 11:52 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Llano | 4 hr |
| Apr 25, 1:10 PM CDT | Flash Flood Warning | EWX | Gillespie | 6 hr |
| Apr 25, 2:30 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 60 min |
| Apr 25, 2:41 PM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell | 4 hr |
| Apr 25, 2:47 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 4 hr |
| Apr 25, 3:24 PM CDT | Flash Flood Warning | EWX | Fayette | 4 hr |
| Apr 25, 3:59 PM CDT | Flash Flood Warning | EWX | Gonzales | 3 hr |
| Apr 25, 5:16 PM CDT | Flash Flood Warning | EWX | Lavaca | 3 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
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.