Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 60, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 26, 1997, 2:55 AM CDT for Atascosa County, Texas. It was in force for 65 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
- Apr 26, 1997, 2:55 AM CDT (07:55 UTC)
- Expired
- Apr 26, 1997, 4:00 AM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Atascosa County, TX
The radar
The Austin/San Antonio radar (KEWX), 102 km from the middle of the area, began a volume at 07:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 26, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 7.9 hours before the alert went out and 174 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
- 3687 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
061 WUUS1 KSAT 260757 RRA SVRSAT TXC013-260900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 255 AM CDT SAT APR 26 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...ATASCOSA COUNTY AT 255 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLY SEVERE THUNDERSTORM MOVING INTO SOUTHERN ATASCOSA COUNTY. THIS STORM LIKELY CONTAINS HAIL THE SIZE OF GOLFBALLS AND GUSTY THUNDERSTORM WINDS. THIS STORM WILL MOVE NORTH ACROSS THE COUNTY AT 20 MPH AND MOVE INTO THE JOURDANTON AND PLEASANTON AREAS BY 330 AM. 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.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Apr 25, 11:58 PM CDT, 2 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1158 PM CDT FRI APR 25 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1050 PM LEAKEY TX 1.75 INCH HAIL
04/25/97 REAL 18N AT PRADE RANCHLocal storm report, Apr 25, 11:59 PM CDT, 2 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1158 PM CDT FRI APR 25 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION..|..
1150 PM LEAKEY TX 1.75 INCH HAIL
04/25/97 REAL 18N AT PRADE RANCHLocal storm report, Apr 26, 12:01 AM CDT, 2 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1158 PM CDT FRI APR 25 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1050 PM LEAKEY TX 1.75 INCH HAIL
04/25/97 REAL 18N AT PRADE RANCHLocal storm report, Apr 26, 1:00 AM CDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
100 AM CDT SAT APR 26 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1245 AM UVALDE TX 1.75 INCH HAIL
04/26/97 UVALDE BETWEEN UVALDE AND KNIPPA
1225 AM EAGLE PASS TX 0.75 INCH HAIL
4/26/97 MAVERICK 0.5 INCH HAIL 1 FT DEEPLocal storm report, Apr 26, 1:01 AM CDT, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
100 AM CDT SAT APR 26 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1245 AM UVALDE TX 1.75 INCH HAIL
04/26/97 UVALDE BETWEEN UVALDE AND KNIPPA
1225 AM EAGLE PASS TX 0.75 INCH HAIL
4/26/97 MAVERICK 0.5 INCH HAIL 1 FT DHEEPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 9:56 PM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Apr 25, 11:04 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 56 min |
| Apr 25, 11:11 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 2 hr |
| Apr 25, 11:50 PM CDT | Flash Flood Warning | EWX | Uvalde | 115 min |
| Apr 25, 11:50 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 115 min |
| Apr 25, 11:54 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 66 min |
| Apr 26, 12:53 AM CDT | Flash Flood Warning | EWX | Bandera | 2 hr |
| Apr 26, 1:11 AM CDT | Flash Flood Warning | EWX | Dimmit | 2 hr |
| Apr 26, 1:11 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 2 hr |
| Apr 26, 1:25 AM CDT | Flash Flood Warning | EWX | Gillespie, Kerr | 65 min |
| Apr 26, 1:25 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Kerr | 65 min |
| Apr 26, 3:12 AM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Apr 26, 5:03 AM CDT | Flash Flood Warning | EWX | Hays, Travis | 3 hr |
| Apr 26, 5:43 AM CDT | Flash Flood Warning | EWX | Williamson | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.