Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 31, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 13, 1993, 10:33 PM CDT for Bandera County, Kerr County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1993, 10:33 PM CDT (03:33 UTC)
- Expired
- Sep 14, 1993, 2:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bandera County, TX, Kerr County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 3.6 hours before the alert went out and 160 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
- 1655 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1326 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 354 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 18.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 140334 FFWSAT TXC019-265-140730- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 1033 PM CDT MON SEP 13 1993 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 230 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIESS... IN SOUTH TEXAS ...BANDERA COUNTY...KERR COUNTY A SLOW MOVING LINE OF THUNDERSTORMS WITH HEAVY RAIN WAS MOVING ACROSS WESTERN BANDERA AND KERR COUNTIES. ALREADY RAINFALL AMOUNTS OF BETWEEN TWO AND FOUR INCHES HAVE BEEN REPORTED OVER WESTERN KERR COUNTY. DUE TO THE SLOW MOVEMENT AND INTENSE RAINFALL RATES...RUNOFF AND FLOODING WILL BE QUICK TO OCCUR. STRONG GUSTY WINDS AND DANGEROUS LIGHTING CAN ALSO BE EXPECTED WITH THESE THUNDERSTORMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT TO ESCAPE RISING WATER DURING THREATENING RAINS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS..6.RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND OTHER PEOPLE IN RECREATION AREAS ALONG CREEKS...STREAMS...AND RIVERS IN THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY.
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, 5:20 PM CDT, 5 hours 13 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, 5 hours 12 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, 4 hours 18 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, 4 hours 18 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
Special weather statement, Sep 13, 7:20 PM CDT, 3 hours 13 minutes before
TXZ039-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 720 PM CDT SUN SEP 13 1993 WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE DEVELOPING ACROSS SOUTH OF SAN ANTONIO AND MOVING NORTHWARD ACROSS SAN ANTONIO THIS EVENING. A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED NEAR HELOTES...WHILE OTHER SHOWERS AND THUNDERSTORMS WERE MOVING OVER THE DOWNTOWN AREA OF SAN ANTONIO. THESE THUNDERSTORMS WILL PRODUCE BRIEF BLINDING RAIN AND GUSTY WINDS DURING THE NEXT HOUR IN AND AROUND BEXAR COUNTY.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 8:58 PM CDT | Tornado Warning | EWX | Llano, San Saba | 47 min |
| Sep 13, 9:54 PM CDT | Tornado Warning | EWX | San Saba | 36 min |
| Sep 13, 10:53 PM CDT | Tornado Warning | EWX | Gillespie | 52 min |
| Sep 13, 11:00 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 60 min |
| Sep 13, 11:25 PM CDT | Tornado Warning | EWX | San Saba | 50 min |
| Sep 13, 11:27 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 48 min |
| Sep 13, 11:42 PM CDT | Tornado Warning | EWX | Burnet | 63 min |
| Sep 14, 2:33 AM CDT | Severe Thunderstorm Warning | EWX | Williamson | 42 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.