Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 30, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 13, 1993, 6:58 PM CDT for Val Verde County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1993, 6:58 PM CDT (23:58 UTC)
- Expired
- Sep 13, 1993, 11:00 PM CDT
- In force
- 4 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, 12.0 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
- 1083 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDRT 132358 FFWDRT TXC465-140400- BULLETIN - EBS ACTIVITATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DEL RIO TX 658 PM CDT MON SEP 13 1993 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE. AT 650 PM CDT...THUNDERSTORMS PRODUCING TORRENTIAL AMOUNTS OF RAINFALL WERE LOCATED OVER THE DEVILS RIVER BASIN. IT IS ESTIMATED THAT THUNDERSTORMS MOVING OVER THIS AREA DURING THE PAST 2 HOURS HAVE PRODUCED 4 TO 5 INCHES OF RAIN. THESE THUNDERSTORMS WERE ALSO PRODUCING STRONG WINDS AND FREQUENT DEADLY LIGHTNING. MOVEMENT OF THIS ACTIVITY WAS TO THE NORTHEAST AT 35 MPH. MOTORISTS TRAVELING ALONG HIGHWAY 163 AND 1024 IN VAL VERDE COUNTY SHOULD USE EXTREME CAUTION. DO NOT ATTEMPT TO CROSS FLOODED LOW WATER CROSSINGS. TWO FEET OF RUSHING WATER DURING A FLASH FLOOD CAN SWEEP AWAY MOST AUTOMOBILES AND SEND THEIR OCCUPANTS TO THEIR DEATH. f 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, Sep 13, 3:56 PM CDT, 3 hours 2 minutes before
TXZ030-034-036-132200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 356 PM CDT MON SEP 13 1993 ...TORNADO WATCH ISSUED FOR PORTIONS OF THE HILL COUNTRY... THE SEVERE STORMS FORECAST CENTER HAS ISSUED A TORNADO WATCH EFFECTIVE UNTIL 900 PM CDT FOR THE FOLLOWING COUNTIES...MILLS...SAN SABA. AT 355 PM NO THUNDERSTORMS WERE NOTED IN OR NEAR MILLS OR SAN SABA COUNTIES, BUT CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUND ERSTORMS IN AND CLOSE TO THE WATCH AREA. TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS. STAY TUNED FOR FURTHER UPDATES. SL
Special weather statement, Sep 13, 3:56 PM CDT, 3 hours 2 minutes before
TXZ030-034-036-132200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 356 PM CDT MON SEP 13 1993 ...TORNADO WATCH ISSUED FOR PORTIONS OF THE HILL COUNTRY... THE SEVERE STORMS FORECAST CENTER HAS ISSUED A TORNADO WATCH EFFECTIVE UNTIL 900 PM CDT FOR THE FOLLOWING COUNTIES...MILLS...SAN SABA. AT 355 PM NO THUNDERSTORMS WERE NOTED IN OR NEAR MILLS OR SAN SABA COUNTIES, BUT CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS. STAY TUNED FOR FURTHER UPDATES. SL
Special weather statement, Sep 13, 5:20 PM CDT, 1 hour 38 minutes before
TXZ030-034-035-036-132315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 520 PM CDT MON SEP 13 1993 ...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES... ...FLASH FLOOD WATCH IN EFFECT TONIGHT AND TUESDAY MORNING FOR...WILLIAMSON...TRAVIS...HAYS...LAMPASAS...MILLS...SAN SABA...LLANO...BURNET...GILLESPIE AND BLANCO COUNTIES... AT 510 PM THUNDERSTORM ACTIVITY WAS WEST OF A LINE FROM SAN ANGELO TO SONORA TO DEL RIO. THESE STORMS WERE MOVING NORTHEAST AT 35 MPH. ALTHOUGH NO THUNDERSTORMS ARE OCCURRING IN THE ABOVE COUNTIES HEAVY RAIN IS POSSIBLE OVER MUCH OF CENTRAL TEXAS CAUSING A RAPID RISE OF STREAMS AND RIVERS...FLOODING LOW LYING AREAS AND LOW WATER CROSSINGS. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE OVER ANY FLOODED ROADS OR INTO FLOODED LOW WATER CROSSINGS. STAY TUNED FOR FURTHER UPDATES. SL
Special weather statement, Sep 13, 5:21 PM CDT, 1 hour 37 minutes before
TXZ030-034-035-036-132315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 520 PM CDT MON SEP 13 1993 ...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES... ...FLASH FLOOD WATCH IN EFFECT TONIGHT AND TUESDAY MORNING FOR...WILLIAMSON...TRAVIS...HAYS...LAMPASAS...MILLS...SAN SABA...LLANO...BURNET...GILLESPIE AND BLANCO COUNTIES... AT 510 PM THUNDERSTORM ACTIVITY WAS WEST OF A LINE FROM SAN ANGELO TO SONORA TO DEL RIO. THESE STORMS WERE MOVING NORTHEAST AT 35 MPH. ALTHOUGH NO THUNDERSTORMS ARE OCCURRING IN THE ABOVE COUNTIES HEAVY RAIN IS POSSIBLE OVER MUCH OF CENTRAL TEXAS CAUSING A RAPID RISE OF STREAMS AND RIVERS...FLOODING LOW LYING AREAS AND LOW WATER CROSSINGS. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE OVER ANY FLOODED ROADS OR INTO FLOODED LOW WATER CROSSINGS. STAY TUNED FOR FURTHER UPDATES. SL
Special weather statement, Sep 13, 6:15 PM CDT, 43 minutes before
TXZ030-034-035-036-140015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 615 PM CDT MON SEP 13 1993 ...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES... ...FLASH FLOOD WATCH IN EFFECT FOR ALL COUNTIES IN CENTRAL TEXAS ALONG AND WEST OF I-35... AT 6 PM THERE WAS NO THUNDERSTORM ACTIVITY IN CENTRAL TEXAS. HOWEVER, AN AREA OF THUNDERSTORMS WEST OF KERRVILLE WAS MOVING NORTHEAST AT 35 MPH AND WILL MOVE INTO GILLESPIE AND BLANCO COUNTIES BY 8 PM. CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORM DEVELOPMENT OVER CENTRAL TEXAS THIS EVENING AND THROUGH THE NIGHT. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LEVELS. TORRENTIAL RAIN WITH AMOUNTS OF 2 INCHES PER HOUR IS POSSIBLE...CAUSING FLASH FLOODING IN LOW LYING AREAS. STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS. SL
Special weather statement, Sep 13, 6:15 PM CDT, 43 minutes before
TXZ030-034-035-036-140015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 615 PM CDT MON SEP 13 1993 ...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES... ...FLASH FLOOD WATCH IN EFFECT FOR ALL COUNTIES IN CENTRAL TEXAS ALONG AND WEST OF I-35... AT 6 PM THERE WAS NO THUNDERSTORM ACTIVITY IN CENTRAL TEXAS. HOWEVER, AN AREA OF THUNDERSTORMS WEST OF KERRVILLE WAS MOVING NORTHEAST AT 35 MPH AND WILL MOVE INTO GILLESPIE AND BLANCO COUNTIES BY 8 PM. CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORM DEVELOPMENT OVER CENTRAL TEXAS THIS EVENING AND THROUGH THE NIGHT. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LEVELS. TORRENTIAL RAIN WITH AMOUNTS OF 2 INC4HES PER HOUR IS POSSIBLE...CAUSING FLASH FLOODING IN LOW LYING AREAS. STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS. SL
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 1:17 AM CDT | Flash Flood Warning | EWX | Gillespie | 118 min |
| Sep 13, 1:17 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 43 min |
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.