Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 17, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 29, 1993, 7:16 PM CDT for Blanco County, Gillespie County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 29, 1993, 7:16 PM CDT (00:16 UTC)
- Expired
- May 29, 1993, 9:20 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Blanco County, TX, Gillespie County, TX
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 00:00Z, 0.3 hours before the alert went out and 221 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
- 778 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1321 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAUS 300017 FFWAUS TXC031-171-300315- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN TX 716 PM CDT SAT MAY 29 1993 THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...WEST CENTRAL BLANCO COUNTY...SOUTHERN GILLESPIE COUNTY A NEARLY STATIONARY THUNDERSTORM OVER SOUTHWEST GILLESPIE COUNTY NEAR HARPER HAS BEEN DUMPING OVER TWO INCHES OF RAIN PER HOUR BETWEEN 5 AND 7 PM CDT. . CAMPERS AND MOTORISTS NEAR THE PEDERNALES RIVER FROM HARPER DOWN TO STONEWALL AND JOHNSON CITY SHOULD PREPARE FOR RISING WATER. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN HIGH WATERS SHOULD BE ABANDONED QUICKLY...THEN GET TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. VERY HEAVY RAINS WHEN LASTING ABOUT ONE ZHOUR USUALLY DON'T PRODUCE FLOODING...UNLESS PREVIOUS RAINS HAVE SATURATED THE SOIL. HEAVY RAINS LASTING 2 OR MORE HOURS WITHOUT LET-UP... INVARIABLY CAUSE SOME FLASH FLOODING...ESPECIALLY AROUND THE HILL COUNTRY. WITHROW
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, May 29, 5:05 PM CDT, 2 hours 11 minutes before
TXZ054-292315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 505 PM CDT SAT MAY 29 1993 AT 500 PM CDT RADAR INDICATED SHOWERS AND ISOLATED THUNDERSTORMS IN MEXICO...AND WERE LOCATED FROM 15 MILES SOUTHWEST TO 45 MILES NORTHWEST OF DEL RIO. A STRONG THUNDERSTORM WITH HEAVY RAIN WAS LOCATED NEAR THE PECOS HIGH BRIDGE...38 MILES NORTHWEST OF DEL RIO. MOVEMENT WAS TO THE EAST AT 15 MPH. HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. BOATERS...FISHERMEN AND CAMPERS NEAR THE PECOS HIGH BRIDGE AND LAKE AMISTAD SHOULD MOVE TO SHORE AND AWAY FROM THE WATER IF LIGHTNING IS SEEN...THUNDER IS HEARD OR WINDS BEGIN INCREASING. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV STATIONS FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 29, 5:05 PM CDT, 2 hours 11 minutes before
TXZ054-292315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 505 PM CDT SAT MAY 29 1993 AT 500 PM CDT RADAR INDICATED SHOWERS AND ISOLATED THUNDERSTORMS IN MEXICO...AND WERE LOCATED FROM 15 MILES SOUTHWEST TO 45 MILES NORTHWEST OF DEL RIO. A STRONG THUNDERSTORM WITH HEAVY RAIN WAS LOCATED NEAR THE PECOS HIGH BRIDGE...38 MILES NORTHWEST OF DEL RIO. MOVEMENT WAS TO THE EAST AT 15 MPH. HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. BOATERS...FISHERMEN AND CAMPERS NEAR THE PECOS HIGH BRIDGE AND LAKE AMISTAD SHOULD MOVE TO SHORE AND AWAY FROM THE WATER IF LIGHTNING IS SEEN...THUNDER IS HEARD OR WINDS BEGIN INCREASING. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV STATIONS FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 29, 6:33 PM CDT, 43 minutes before
TXZ035-036-300100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 630PM CDT SAT MAY 29 1993 STRONG THUNDERSTORMS IN THE WEST HALF OF GILLESPIE COUNTY AT 630 PM CDT. THESE THUNDERSTORMS WERE MOVING TOWARDS THE EAST AT 5 TO 10 MPH AND WILL DUMP HEAVY RAIN DUE TO THE SLOW MOVEMENT. MOTORISTS ON HIGHWAY 290 BETWEEN HARPER AND FREDERICKSBURG IN GILLESPIE COUNTY SHOULD BE PREPARED TO ENCOUNTER HEAVY RAIN AND LOW VISIBILITY. MOTORISTS ARE REMAINDED TO NEVER DRIVE INTO FLOWING WATER OVER THE ROADWAY...YOUR VEHICLE COULD BE SWEPT FROM THE RAOD INTO MUCH DEEPER WATER. WITHROW
Special weather statement, May 29, 6:33 PM CDT, 43 minutes before
TXZ035-036-300100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 630PM CDT SAT MAY 29 1993 STRONG THUNDERSTORMS IN THE WEST HALF OF GILLESPIE COUNTY AT 630 PM CDT. THESE THUNDERSTORMS WERE MOVING TOWARDS THE EAST AT 5 TO 10 MPH AND WILL DUMP HEAVY RAIN DUE TO THE SLOW MOVEMENT. MOTORISTS ON HIGHWAY 290 BETWEEN HARPER AND FREDERICKSBURG IN GILLESPIE COUNTY SHOULD BE PREPARED TO ENCOUNTER HEAVY RAIN AND LOW VISIBILITY. MOTORISTS ARE REMAINDED TO NEVER DRIVE INTO FLOWING WATER OVER THE ROADWAY...YOUR VEHICLE COULD BE SWEPT FROM THE RAOD INTO MUCH DEEPER WATER. WITHROW
Special weather statement, May 29, 7:12 PM CDT, 4 minutes before
TXZ035-038>041-300115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 715 PM CDT SAT MAY 29 1993 ...THUNDERSTORMS ACROSS PORTIONS OF SOUTH CENTRAL TEXAS AND HILL COUNTRY... AT 710 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS FROM NEAR JUNCTION TO WEST OF KERRVILLE...AND AROUND 10 MILES NORTH OF KERRVILLE. OTHER STRONG THUNDERSTORMS WERE IN MCMULLEN COUNTY SOUTH OF TILTEN. SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE ALSO LOCATED FROM NEAR SAN ANTONIO TO GONZALES. LITTLE MOVEMENT WAS INDICATED. DUE TO THE LITTLE MOVEMENT OF THE STORMS...HEAVY AMOUNTS OF RAIN ARE LIKELY THAT COULD CAUSE LOCAL FLOODING OF LOW-LYING AREAS IN KERR AND MCMULLEN COUNTIES. MOTORISTS IN KERR COUNTY SHOULD BE ESPECIALLY CAUTIOUS WHEN APPROACHING LOW-WATER CROSSINGS AND NOT ATTEMPT TO DRIVE ACROSS IF THE ROAD IS FLOODED. IN ADDITION TO THE HEAVY RAINS...GUSTY WINDS AND DANGEROUS LIGHTNING ARE LIKELY TO ACCOMPANY THE STRONGER STORMS. STAY TUNED TO YOUR NOAA WEATHER RADIO FOR LATER WEATHER UPDATES.
Special weather statement, May 29, 7:15 PM CDT, 1 minute before
TXZ035-038>041-300115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 715 PM CDT SAT MAY 29 1993 ...THUNDERSTORMS ACROSS PORTIONS OF SOUTH CENTRAL TEXAS AND HILL COUNTRY... AT 710 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS FROM NEAR JUNCTION TO WEST OF KERRVILLE...AND AROUND 10 MILES NORTH OF KERRVILLE. OTHER STRONG THUNDERSTORMS WERE IN MCMULLEN COUNTY SOUTH OF TILTEN. SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE ALSO LOCATED FROM NEAR SAN ANTONIO TO GONZALES. LITTLE MOVEMENT WAS INDICATED. DUE TO THE LITTLE MOVEMENT OF THE STORMS...HEAVY AMOUNTS OF RAIN ARE LIKELY THAT COULD CAUSE LOCAL FLOODING OF LOW-LYING AREAS IN KERR AND MCMULLEN COUNTIES. MOTORISTS IN KERR COUNTY SHOULD BE ESPECIALLY CAUTIOUS WHEN APPROACHING LOW-WATER CROSSINGS AND NOT ATTEMPT TO DRIVE ACROSS IF THE ROAD IS FLOODED. IN ADDITION TO THE HEAVY RAINS...GUSTY WINDS AND DANGEROUS LIGHTNING ARE LIKELY TO ACCOMPANY THE STRONGER STORMS. STAY TUNED TO YOUR NOAA WEATHER RADIO FOR LATER WEATHER UPDATES.
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.