An upper level trough of low pressure moved across the southern plains and interacted with deep tropical moisture to produce thunderstorms over South Central Texas. Some of these storms developed heavy rain that led to flash flooding.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS EWX wrote it up.
An upper level trough of low pressure moved across the southern plains and interacted with deep tropical moisture to produce thunderstorms over South Central Texas. Some of these storms developed heavy rain that led to flash flooding.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before the first event at Aug 30, 5:31 PM CST, 1 hour 49 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 631 PM CDT SAT AUG 30 2014 .AVIATION...ONLY MINOR ADJUSTMENTS WERE MADE TO A MAJORITY OF THE EXISTING TAFS FOR WIND DIRECTION...SPEED...AND CLOUD COVER. THE MOST SIGNIFICANT ADJUSTMENT WAS APPLIED TO THE DRT TAF...AS KDFX RADAR SHOWS A DECENT OUTFLOW BOUNDARY APPROACHING THE CITY FROM THE NORTHEAST. THUS...INSERTED A QUICK TEMPO FOR EXPECTED HIGHER WINDS IN ASSOCIATION WITH THE OUTFLOW BOUNDARY. OVERALL...VFR RIGHT NOW WILL YIELD TO MVFR FOR MOST OF THE OVERNIGHT HOURS AS A LOW DECK OF STRATUS DEVELOPS AND PERSISTS WITH LIGHT WINDS IN PLACE. VFR WILL RAPIDLY RE-DEVELOP AFTER SUNRISE TOMORROW MORNING WITH INCREASING SURFACE WINDS...ABUNDANT SUNSHINE...AND DAYTIME HEATING. MVFR MAY TRY TO SHOW ITS HAND AGAIN TOMORROW NIGHT WITH SIMILAR ATMOSPHERIC CONDITIONS EXPECTED WITHIN THIS PERSISTENT WEATHER PATTERN. && .PREV DISCUSSION... /ISSUED 321 PM CDT SAT AUG 30 2014/ SHORT TERM (TONIGHT THROUGH SUNDAY NIGHT)... WIDELY SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS HAVE AGAIN DEVELOPED ACROSS THE EDWARDS PLATEAU TO HILL COUNTRY AND NEAR THE COASTAL PLAINS. AS WITH THE LAST FEW DAYS...THEY WILL DISSIPATE THIS EVENING...THOUGH LINGERING ACROSS THE EDWARDS PLATEAU FOR AN HOUR OR TWO AFTER SUNSET. A MOIST AIRMASS CONTINUES ON SUNDAY AS A SHEAR AXIS LINGERS OVER TEXAS. EXPECT ISOLATED TO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS TO REDEVELOP WITH DAYTIME HEATING AND ALONG THE SEABREEZE. HAVE EXTENDED POPS A LITTLE WEST OF THE I-35 CORRIDOR WITH ACTIVITY AGAIN DISSIPATING BY SUNSET. ABOVE AVERAGE TEMPERATURES WILL CONTINUE. LONG TERM (MONDAY THROUGH SATURDAY)... SUBTROPICAL RIDGE BUILDS BACK OVER TEXAS BY MONDAY AND PERSISTS THROUGH NEXT WEEKEND. HAVE SLIGHT CHANCE POPS ONLY ACROSS THE FAR EAST MONDAY DUE TO THE SEABREEZE. THE RIDGE AXIS SHIFTS TO THE NORTHEAST SLIGHTLY TUESDAY ALLOWING AN EASTERLY WAVE TO BRING SOME DEEPER MOISTURE BACK INTO SOUTH CENTRAL TEXAS. HAVE MAINTAINED THE SLIGHT CHANCE POPS ACROSS A LARGER PART OF SOUTH CENTRAL TEXAS FOR WEDNESDAY INTO THURSDAY. RIDGE AXIS SHIFTS BACK SOUTH FRIDAY WITH A DRIER AIRMASS ENDING POPS BY SATURDAY. TEMPERATURES WILL REMAIN ABOVE AVERAGE. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 75 96 77 98 77 / 10 10 10 - - AUSTIN BERGSTROM INTL AIRPORT 73 96 75 98 76 / 10 20 10 - - NEW BRAUNFELS MUNI AIRPORT 74 96 75 98 76 / 10 20 10 - - BURNET MUNI AIRPORT 73 94 75 96 75 / 10 10 10 - - DEL RIO INTL AIRPORT 77 98 77 99 78 / 10 - 10 - 0 GEORGETOWN MUNI AIRPORT 75 95 77 97 76 / 10 10 10 - - HONDO MUNI AIRPORT 72 96 74 98 75 / 10 10 10 - - SAN MARCOS MUNI AIRPORT 74 96 76 98 76 / 10 20 10 - - LA GRANGE - FAYETTE REGIONAL 75 95 76 96 76 / 10 30 10 20 10 SAN ANTONIO INTL AIRPORT 76 96 78 98 78 / 10 10 10 - - STINSON MUNI AIRPORT 75 97 77 99 78 / 10 20 10 - - && .EWX WATCHES/WARNINGS/ADVISORIES...NONE. && MESOSCALE/AVIATION...TOMASELLI
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 434 AM CDT SAT AUG 30 2014 TXZ171>173-183>194-202>209-217>225-228-310945- LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE- MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA- FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- 434 AM CDT SAT AUG 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT. ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING ACROSS THE EASTERN TWO-THIRDS OF SOUTH CENTRAL TEXAS. A FEW STORMS WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY DOWNPOURS OF 1 TO 2 INCHES. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 529 PM CDT SAT AUG 30 2014 TXZ184-202-302315- EDWARDS-KINNEY- 529 PM CDT SAT AUG 30 2014 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN KINNEY AND SOUTHERN EDWARDS COUNTIES UNTIL 615 PM CDT... AT 525 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 23 MILES NORTH OF BRACKETTVILLE...MOVING SOUTH AT 5 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF INCLUDE... KICKAPOO CAVERN STATE PARK... FARM TO MARKET ROAD 674... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED ROADWAYS. LAT...LON 2955 10024 2947 10054 2970 10054 2976 10034 TIME...MOT...LOC 2227Z 349DEG 5KT 2965 10044
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
642 PM CDT SAT AUG 30 2014
TXZ185-310045-
REAL-
642 PM CDT SAT AUG 30 2014
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN REAL COUNTY UNTIL
745 PM CDT...
AT 641 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 8 MILES NORTH OF TUFF...OR 11 MILES NORTH OF
LEAKEY...MOVING SOUTHWEST AT 5 MPH.
WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
LEAKEY...
TUFF...
RIO FRIO...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER
CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED
ROADWAYS.
LAT...LON 3000 9977 2995 9969 2991 9968 2990 9961
2981 9960 2962 9961 2962 10001 2963 10001
TIME...MOT...LOC 2342Z 030DEG 5KT 2987 9974
TOMASELLISPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
654 PM CDT SAT AUG 30 2014
TXZ186-188-310100-
GILLESPIE-KERR-
654 PM CDT SAT AUG 30 2014
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN KERR AND WESTERN
GILLESPIE COUNTIES UNTIL 800 PM CDT...
AT 653 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 6 MILES NORTHEAST OF HARPER...OR 21 MILES WEST OF
FREDERICKSBURG...MOVING SOUTHWEST AT 5 MPH.
WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
TIVYDALE...
HARPER...
MOUNTAIN HOME...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER
CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED
ROADWAYS.
LAT...LON 3050 9876 3006 9918 3025 9953 3030 9949
3030 9931 3050 9931
TIME...MOT...LOC 2354Z 036DEG 5KT 3037 9921
TOMASELLIThe Austin/San Antonio radar (KEWX), 135 km away, was scanning. The volume nearest the first event began at 01:20 UTC.
1 flash flood. Local standard time, as filed.
Thunderstorms produced heavy rain that caused flash flooding. A low water crossing on Ranch Rd. 783 had approximately 1.5 feet of water over the roadway between Doss and Harper.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2014Every state in 2014This day in weather historyWarnings in Texas, August 2014
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 538881.