Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 51, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Apr 26, 1997, 1:25 AM CDT for Gillespie County, Kerr 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, 1:25 AM CDT (06:25 UTC)
- Expired
- Apr 26, 1997, 2:30 AM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Gillespie County, TX, Kerr County, TX
The radar
The Austin/San Antonio radar (KEWX), 121 km from the middle of the area, began a volume at 06:29 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
Del Rio, TX (KDRT), launched 00:00Z, 6.4 hours before the alert went out and 187 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
- 22 J/kg
- Mixed-layer CIN
- -210 J/kg
- Mixed-layer LCL
- 1669 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 379 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 260627 FFWSAT TXC171-265-260730- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 125 AM CDT SAT APR 26 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 230 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...GILLESPIE COUNTY...KERR COUNTY AT 124 AM CDT DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS MOVING INTO SOUTHER KERR COUNTY NEAR HIGHWAY 123 MOVING TO THE NORTHEAST AT 25 MPH. THIS STORM WILL MOVE ACROSS EASTERN KERR COUNTY INTO SOUTHERN GILLESPIE AND BE IN THE FREDERICKSBURG AREA BY 200 AM. PEOPLE IN THxE 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 25, 8:45 PM CDT, 4 hours 40 minutes before
TXZ209-222>225-260745- SPECIAL WEATHER STATEMENTS (SOUTH TEXAS ZONES) NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 845 PM CDT FRI APR 25 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2AM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR A PORTION OF SOUTH CENTRAL TEXAS. THIS WATCH INCLUDES THE FOLLOWING COUNTIES: KARNES...LAVACA...FAYETTE...GONZALES AND DEWITT. THE SEVERE THUNDERSTORM WATCH REPLACES THE TORNADO WATCH WHICH EXPIRED AT 8 PM. A POWERFUL UPPER AIR SYSTEM CENTERED JUST SOUTH OF THE ARIZONA-NEW MEXICO BORDER IS INTERACTING WITH VERY UNSTABLE AIR WHICH COVERS IN PARTICULAR THE EASTERN AREAS OF SOUTH CENTRAL TEXAS. AN IMPULSE ASSOCIATED WITH THE UPPER SYSTEM WILL BE MOVING EASTWARD TONIGHT ACROSS SOUTH CENTRAL TEXAS PRODUCING ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS. ANY THUNDERSTORMS WHICH DO DEVELOP MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE WITH THUNDERSTORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. PERSONS IN OR NEAR THE WATCH SHOULD MONITOR THE WEATHER CLOSELY AND LISTEN FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV... CABLE TV... AND RADIO FOR FURTHER INFORMATION.
Local storm report, Apr 25, 11:58 PM CDT, 1 hour 27 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, 1 hour 26 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, 1 hour 24 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, 25 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, 24 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 | Severe Thunderstorm Warning | EWX | Gillespie, Kerr | 65 min |
| Apr 26, 2:55 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 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
Flash Flood Warnings in Texas, 1997Every flash flood 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.