Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 28, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 31, 1993, 12:00 PM CDT for Val Verde County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 31, 1993, 12:00 PM CDT (17:00 UTC)
- Expired
- Aug 31, 1993, 3:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 5.0 hours before the alert went out and 66 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
- 1097 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDRT 311659 FFWDRT TXC465-312000- BULLETIN - EBS ACTIVITATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DEL RIO TX 1200 PM CDT TUE AUG 31 1993 THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNING ISSUED EARLIER...AND IT IS NOW EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE. AT 1155 AM CDT...FLOODING WAS CONTINUING IN SEVERAL AREAS IN VAL VERDE COUNTY. MOST OF THIS FLOODING WAS THE RESULT OF HEAVIER RAINFALL THAT HAD FALLEN IN VAL VERDE COUNTY THIS MORNING. ALTHOUGH MOST OF THE HEAVIER RAINFALL HAD ENDED...A WIDESPREAD AREA OF SHOWERS AND A FEW THUNDERSTORMS REMAINED OVER MUCH OF VAL VERDE COUNTY. LITTLE MOVEMENT WAS INDICATED BY RADAR. SINCE THE GROUND IS ALREADY SATURATED FROM PRIOR RAINS...ANY ADDITIONAL RAINFALL WILL NOT SOAK IN BUT RUN OFF RAPIDLY INTO ALREADY FLOODED CREEKS AND RIVERS...GREATLY ADDING TO THE THREAT OF FLASH FLOODING. MANY LOW WATER CROSSINGS REMAIN FLOODED ALONG ROADWAYS IN VAL VERDE COUNTY. ALTHOUGH WATER LEVELS IN SOME OF THESE LOW WATER CROSSINGS HAVE BEEN SLOWLY RECEEDING...MOST ARE NOT YET SAFE TO CROSS. YOU SHOULD NEVER ATTEMPT TO CROSS WATER OF AN UNKNOWN DEPTH. TWO FEET OF RUSHING WATER DURING A FLASH FLOOD CAN SWEEP AWAY MOST AUTOMOBILES AND SEND THEIR OCCUPANTS TO THEIR DEATH. A FLASH FLOOD WATCH ALSO REMAINS IN EFFECT FOR VAL VERDE COUNTY TODAY...AND A FLOOD WARNING HAS BEEN POSTED FOR THE DEVILS AND DRY DEVILS RIVER. YOUR NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THIS FLOOD SITUATION. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS FOR FURTHER INFORMATION.
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, Aug 31, 6:25 AM CDT, 5 hours 35 minutes before
TXZ034-035-054-311500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 625 AM CDT TUE AUG 31 1993 AT 620 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN HONDO...TEXAS SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS FROM NORTH OF DEL RIO TO NORTH OF ROCKSPRINGS MOVING SLOWLY SOUTH. THESE SHOWERS AND THUNDERSTORMS WILL AFFECT PARTS OF EDWARDS COUNTY FOR THE NEXT FEW HOURS. LOCALLY HEAVY RAIN AND STRONG GUSTY WIND IS POSSIBLE WITH THE STRONGER STORMS. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE INTO ANY LOW WATER CROSSINGS THAT CAN POTENTIALLY BECOME FLOODED.
Special weather statement, Aug 31, 6:25 AM CDT, 5 hours 35 minutes before
TXZ034-035-054-311500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 625 AM CDT TUE AUG 31 1993 AT 620 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN HONDO...TEXAS SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS FROM NORTH OF DEL RIO TO NORTH OF ROCKSPRINGS MOVING SLOWLY SOUTH. THESE SHOWERS AND THUNDERSTORMS WILL AFFECT PARTS OF EDWARDS COUNTY FOR THE NEXT FEW HOURS. LOCALLY HEAVY RAIN AND STRONG GUSTY WIND IS POSSIBLE WITH THE STRONGER STORMS. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE INTO ANY LOW WATER CROSSINGS THAT CAN POTENTIALLY BECOME FLOODED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 6:32 AM CDT | Flash Flood Warning | EWX | Val Verde | 118 min |
| Aug 31, 8:30 AM CDT | Flash Flood Warning | EWX | Val Verde |
Nearby
Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993
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.