Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 173, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 21, 1997, 7:30 PM CDT for Kendall 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
- Jun 21, 1997, 7:30 PM CDT (00:30 UTC)
- Expired
- Jun 21, 1997, 8:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Kendall County, TX
The radar
The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 00:29 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, 0.5 hours before the alert went out and 215 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
- 2985 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 280 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 18.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 220030 RRA FFWSAT TXC259-220130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 730 PM CDT SAT JUN 21 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...KENDALL COUNTY AT 728 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR SISTERDALE. THE STORM WAS MOVING NORTHEAST AT 20 MPH. MARBLE-SIZE HAIL WAS REPORTED IN BANDERA COUNTY AND THE STORM HAS INTENSIFIED AS IT MOVED INTO KENDALL COUNTY. 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 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, Jun 21, 5:43 PM CDT, 1 hour 47 minutes before
TXZ171>173-183>194-202>209-217>225-228-221030- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SAT JUN 21 1997 ...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY EXCEPT FOR FAR WEST SECTIONS... ...FLOOD WARNING FOR THE NAVIDAD AND GUADALUPE RIVERS...AND SANDY CREEK IN COLORADO...WHARTON AND JACKSON COUNTIES... THERE IS STRONG POTENTIAL FOR HEAVY RAINFALL AND FLOODING OVER MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TONIGHT. THE CHANCE OF RAIN REMAIN HIGH ON SUNDAY...THEREFORE THE FLASH FLOOD WATCH MAY NEED TO BE EXTENDED INTO SUNDAY. FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR THE FOLLOWING COUNTIES... ATASCOSA...BANDERA...BLANCO...BURNET...DIMMIT...GILLESPIE...KENDALL.. KERR...LLANO...REAL...BASTROP...CALDWELL...FAYETTE...HAYS...LEE... TRAVIS...WILLIAMSON...ATASCOSA...BEXAR...COMAL...FRIO...GUADALUPE... MEDINA...UVALDE...WILSON...ZAVALA...DE WITT...GONZALES...KARNES AND...LAVACA. A STRONG...BUT SLOW MOVING UPPER LEVEL LOW OVER CENTRAL TEXAS AND VERY WARM AND MOIST AIR OVER SOUTH TEXAS WILL COMBINE TO ALLOW FOR HEAVY RAINFALL AND FLASH THROUGH TONIGHT AND INTO SUNDAY. IN ADDITION TO THE HEAVY RAINFALL AND FLOODING POTENTIAL...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH SUNDAY...WITH THE POSSIBILITY OF DAMAGING WINDS AND HAIL. WIDESPREAD SHOWERS AND THUNDERSTORMS WILL PERSIST THROUGH SUNDAY WITH ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES LIKELY AND ISOLATED AMOUNTS OF 5 INCHES OR MORE POSSIBLE. MOTORISTS SHOULD AVOID FLOODED LOW WATER CROSSINGS AND DRIVE WITH EXTRA CAUTION...ESPECIALLY AT NIGHT WHEN HIGH WATER IS DIFFICULT TO SEE. PEOPLE SHOULD STAY AWAY FROM FLOODED CREEKS...STREAMS...AND RIVERS...AS RISES CAN BE SWIFT AND SUDDEN...AND BANKS CAN BE UNSTABLE. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS...AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST :TO DEVELOP.
Special weather statement, Jun 21, 6:00 PM CDT, 1 hour 30 minutes before
TXZ171>173-183>194-202>209-217>225-228-221030- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SAT JUN 21 1997 ...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY EXCEPT FOR FAR WEST SECTIONS... ...FLOOD WARNING FOR THE NAVIDAD AND GUADALUPE RIVERS...AND SANDY CREEK IN COLORADO...WHARTON AND JACKSON COUNTIES... THERE IS STRONG POTENTIAL FOR HEAVY RAINFALL AND FLOODING OVER MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TONIGHT. THE CHANCE OF RAIN REMAIN HIGH ON SUNDAY...THEREFORE THE FLASH FLOOD WATCH MAY NEED TO BE EXTENDED INTO SUNDAY. FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR THE FOLLOWING COUNTIES... ATASCOSA...BANDERA...BLANCO...BURNET...DIMMIT...GILLESPIE...KENDALL.. KERR...LLANO...REAL...BASTROP...CALDWELL...FAYETTE...HAYS...LEE... TRAVIS...WILLIAMSON...ATASCOSA...BEXAR...COMAL...FRIO...GUADALUPE... MEDINA...UVALDE...WILSON...ZAVALA...DE WITT...GONZALES...KARNES AND...LAVACA. A STRONG...BUT SLOW MOVING UPPER LEVEL LOW OVER CENTRAL TEXAS AND VERY WARM AND MOIST AIR OVER SOUTH TEXAS WILL COMBINE TO ALLOW FOR HEAVY RAINFALL AND FLASH THROUGH TONIGHT AND INTO SUNDAY. IN ADDITION TO THE HEAVY RAINFALL AND FLOODING POTENTIAL...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH SUNDAY...WITH THE POSSIBILITY OF DAMAGING WINDS AND HAIL. WIDESPREAD SHOWERS AND THUNDERSTORMS WILL PERSIST THROUGH SUNDAY WITH ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES LIKELY AND ISOLATED AMOUNTS OF 5 INCHES OR MORE POSSIBLE. MOTORISTS SHOULD AVOID FLOODED LOW WATER CROSSINGS AND DRIVE WITH EXTRA CAUTION...ESPECIALLY AT NIGHT WHEN HIGH WATER IS DIFFICULT TO SEE. PEOPLE SHOULD STAY AWAY FROM FLOODED CREEKS...STREAMS...AND RIVERS...AS RISES CAN BE SWIFT AND SUDDEN...AND BANKS CAN BE UNSTABLE. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS...AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:30 PM CDT | Severe Thunderstorm Warning | EWX | Kendall | 60 min |
| Jun 21, 8:41 PM CDT | Flash Flood Warning | EWX | Blanco, Kendall | 4 hr |
| Jun 21, 8:41 PM CDT | Flash Flood Warning | EWX | Kerr | 4 hr |
| Jun 21, 9:25 PM CDT | Flash Flood Warning | EWX | Comal | 3 hr |
| Jun 21, 10:15 PM CDT | Flash Flood Warning | EWX | Gillespie | 4 hr |
| Jun 22, 12:03 AM CDT | Flash Flood Warning | EWX | Edwards, Real | 4 hr |
| Jun 22, 12:03 AM CDT | Flash Flood Warning | EWX | Bandera | 4 hr |
| Jun 22, 12:38 AM CDT | Flash Flood Warning | EWX | Kendall, Kerr | 7 hr |
| Jun 22, 2:15 AM CDT | Flash Flood Warning | EWX | Bastrop, Burnet, Travis, Williamson | 6 hr |
| Jun 22, 2:15 AM CDT | Flash Flood Warning | EWX | Edwards, Real | 6 hr |
| Jun 22, 2:15 AM CDT | Flash Flood Warning | EWX | Bexar, Medina | 6 hr |
| Jun 22, 2:15 AM CDT | Flash Flood Warning | EWX | Blanco | 6 hr |
| Jun 22, 2:57 AM CDT | Flash Flood Warning | EWX | Uvalde | 6 hr |
| Jun 22, 3:28 AM CDT | Flash Flood Warning | EWX | Bandera | 5 hr |
| Jun 22, 3:28 AM CDT | Flash Flood Warning | EWX | Comal | 5 hr |
| Jun 22, 3:28 AM CDT | Flash Flood Warning | EWX | Gillespie | 5 hr |
| Jun 22, 7:36 AM CDT | Flash Flood Warning | EWX | Bandera, Edwards, Medina, Real, Uvalde | 4 hr |
| Jun 22, 7:36 AM CDT | Flash Flood Warning | EWX | Bexar, Comal, Kendall | 4 hr |
| Jun 22, 7:36 AM CDT | Flash Flood Warning | EWX | Gillespie, Kerr | 4 hr |
| Jun 22, 7:36 AM CDT | Flash Flood Warning | EWX | Blanco, Llano | 4 hr |
| Jun 22, 8:04 AM CDT | Flash Flood Warning | EWX | Hays | 4 hr |
| Jun 22, 8:04 AM CDT | Flash Flood Warning | EWX | Burnet | 4 hr |
| Jun 22, 8:47 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jun 22, 11:15 AM CDT | Flash Flood Warning | EWX | Bandera, Bexar, Medina, Uvalde | 5 hr |
| Jun 22, 11:15 AM CDT | Flash Flood Warning | EWX | Blanco, Gillespie, Kendall, Kerr, Llano | 5 hr |
| Jun 22, 11:15 AM CDT | Flash Flood Warning | EWX | Comal, Hays | 5 hr |
| Jun 22, 11:15 AM CDT | Flash Flood Warning | EWX | Burnet | 5 hr |
| Jun 22, 11:15 AM CDT | Flash Flood Warning | EWX | Edwards, Real | 5 hr |
| Jun 22, 11:20 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 5 hr |
| Jun 22, 12:07 PM CDT | Flash Flood Warning | EWX | Guadalupe | 4 hr |
| Jun 22, 3:58 PM CDT | Flash Flood Warning | EWX | Bandera, Bexar, Medina | 3 hr |
| Jun 22, 3:58 PM CDT | Flash Flood Warning | EWX | Blanco, Comal, Gillespie, Kendall, Kerr | 3 hr |
| Jun 22, 3:58 PM CDT | Flash Flood Warning | EWX | Guadalupe, Hays | 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.