Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 3, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 5, 1993, 11:46 AM CDT for Bexar County, Comal County, Guadalupe County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 5, 1993, 11:46 AM CDT (16:46 UTC)
- Expired
- May 5, 1993, 3:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bexar County, TX, Comal County, TX, Guadalupe County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 4.8 hours before the alert went out and 227 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 051648 FFWSAT TXC029-091-187-052000- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 1146 AM CDT WED MAY 5 1993 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIESS... IN SOUTH TEXAS ...BEXAR COUNTY...COMAL COUNTY...GUADALUPE COUNTY AT 1140 AM NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND THUNDERSTORMS CONTINUING OVER MUCH OF BEXAR...COMAL...AND GUADALUPE COUNTIES. THE STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH. RAINFALL AMOUNTS OF THREE TO FOUR INCHES HAVE FALLEN IN SOME LOCATIONS. STREAMS AND CREEKS ARE OUT OF BANKS. MANY LOW WATER CROSSINGS ARE FLOODED AND BARRICADED. RIVER FLOOD WARNINGS HAVE BEEN ISSUED FOR THE SAN ANTONIO RIVER AND FOR WALNUT BRANCH IN SEGUIN. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIATELY TO HIGHER GROUND. 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.
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 5, 7:20 AM CDT, 4 hours 26 minutes before
TXZ035-036-037-051415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 720 AM CDT WED MAY 5 1993 AT 715 AM...THUNDERSTORMS WERE WIDESPREAD ACROSS SOUTH TEXAS. THE STRONGER THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE SOUTH AND EAST OF SAN ANTONIO...AND FROM HALLETTSVILLE NORTHEAST THROUGH LA GRANGE TO COLLEGE STATION. THE STORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. PERSONS OVER SOUTH TEXAS...ESPECIALLY THOSE WHO ARE EAST AND SOUTH OF AUSTIN MAY EXPERIENCE VERY HEAVY DOWNPOURS...AND FREQUENT LIGHTNING. MOTORIST ARE URGED TO EXERCISE EXTREME CAUTION THIS MORNING BY SLOWING DOWN AND ALLOWING PLENTY OF ROOM FOR THE CAR AHEAD TO STOP. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. HOHMANN
Special weather statement, May 5, 7:20 AM CDT, 4 hours 26 minutes before
TXZ035-036-037-051415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 720 AM CDT WED MAY 5 1993 AT 715 AM...THUNDERSTORMS WERE WIDESPREAD ACROSS SOUTH TEXAS. THE STRONGER THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE SOUTH AND EAST OF SAN ANTONIO...AND FROM HALLETTSVILLE NORTHEAST THROUGH LA GRANGE TO COLLEGE STATION. THE STORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. PERSONS OVER SOUTH TEXAS...ESPECIALLY THOSE WHO ARE EAST AND SOUTH OF AUSTIN MAY EXPERIENCE VERY HEAVY DOWNPOURS...AND FREQUENT LIGHTNING. MOTORIST ARE URGED TO EXERCISE EXTREME CAUTION THIS MORNING BY SLOWING DOWN AND ALLOWING PLENTY OF ROOM FOR THE CAR AHEAD TO STOP. STAY TUNED TO NOAA WEATHpER RADIO FOR THE LATEST WEATHER INFORMATION. HOHMANN
Special weather statement, May 5, 7:39 AM CDT, 4 hours 7 minutes before
TXZ039-040-051400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 740 AM CDT WED MAY 5 1993 AT 740 AM CDT...AN AREA OF THUNDERSTORMS WAS LOCATED OVER EASTERN BEXAR COUNTY EXTENDING NORTHEAST INTO GUADALUPE COUNTY. THE AREA WAS MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. THE STRONGEST THUNDERSTORM WAS JUST EAST OF SAN ANTONIO. AT THE WEATHER OFFICE IN THE NORTH CENTRAL PART OF THE CITY...HEAVY RAIN WAS FALLING WITH NEARLY CONTINUOUS LIGHTNING. MOTORISTS TRAVELING NEAR AND WITHIN THE CITY MAY EXPERIENCE SOME MINOR STREET FLOODING...ESPECIALLY OVER EASTERN SECTIONS. LOW WATER CROSSINGS WILL FILL RAPIDLY AND SHOULD BE AVOIDED IF POSSIBLE. DO NOT ATTEMPT TO DRIVE THROUGH A FLOODED CROSSING. THIS LOOKS TO BE THE LAST OF THE REAL ADVERSE WEATHER WITH ONLY LIGHT SHOWERS INDICATED FURTHER TO THE SOUTHWEST. ADDITIONAL STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT. STAY TUNED TO NOAA WEATHER RADIO.
Special weather statement, May 5, 7:40 AM CDT, 4 hours 6 minutes before
TXZ039-040-051400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 740 AM CDT WED MAY 5 1993 AT 740 AM CDT...AN AREA OF THUNDERSTORMS WAS LOCATED OVER EASTERN BEXAR COUNTY EXTENDING NORTHEAST INTO GUADALUPE COUNTY. THE AREA WAS MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. THE STRONGEST THUNDERSTORM WAS JUST EAST OF SAN ANTONIO. AT THE WEATHER OFFICE IN THE NORTH CENTRAL PART OF THE CITY...HEAVY RAIN WAS FALLING WITH NEARLY CONTINUOUS LIGHTNING. MOTORISTS TRAVELING NEAR AND WITHIN THE CITY MAY EXPERIENCE SOME MINOR STREET FLOODING...ESPECIALLY OVER EASTERN SECTIONS. LOW WATER CROSSINGS WILL FILL RAPIDLY AND SHOULD BE AVOIDED IF POSSIBLE. DO NOT ATTEMPT TO DRIVE THROUGH A FLOODED CROSSING. THIS LOOKS TO BE THE LAST OF THE REAL ADVERSE WEATHER WITH ONLY LIGHT SHOWERS INDICATED FURTHER TO THE SOUTHWEST. ADDITIONAL STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT. STAY TUNED TO NOAA WEATHER RADIO.
Special weather statement, May 5, 9:19 AM CDT, 2 hours 27 minutes before
TXZ034-035-036-037-051515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 919 AM CDT WED MAY 5 1993 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 4 PM FOR TRAVIS ... HAYS...CALDWELL...BASTROP...LEE...BURLESON...AND FAYETTE COUNTIES... AT 915 AM...SHOWERS AND THUNDERSTORMS WERE WIDESPREAD ACROSS SOUTH TEXAS. THE STRONGEST THUNDERSTORMS WERE FROM SAN MARCOS AND LULING TO FLATONIA AND ROSANKY...AND FROM ROSANKY TO COLLEGE STATION. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. THE STRONGEST STORMS ARE CAPABLE OF HAIL...DANGEROUS FREQUENT LIGHTNING AND TORRENTIAL DOWNPOURS. PERSONS ACROSS SOUTH TEXAS...EPSECIALLY IN AREAS EAST AND SOUTH OF AUSTIN SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER SHOULD THREATENING WEATHER APPROACH OR A WARNING BE ISSUED. HOHMANN
Special weather statement, May 5, 9:20 AM CDT, 2 hours 26 minutes before
TXZ034-035-036-037-051515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 919 AM CDT WED MAY 5 1993 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 4 PM FOR TRAVIS ... HAYS...CALDWELL...BASTROP...LEE...BURLESON...AND FAYETTE COUNTIES... AT 915 AM...SHOWERS AND THUNDERSTORMS WERE WIDESPREAD ACROSS SOUTH TEXAS. THE STRONGEST THUNDERSTORMS WERE FROM SAN MARCOS AND LULING TO FLATONIA AND ROSANKY...AND FROM ROSANKY TO COLLEGE STATION. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. THE STRONGEST STORMS ARE CAPABLE OF HAIL...DANGEROUS FREQUENT LIGHTNING AND TORRENTIAL DOWNPOURS. PERSONS ACROSS SOUTH TEXAS...EPSECIALLY IN AREAS EAST AND SOUTH OF $AUSTIN SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER SHOULD THREATENING WEATHER APPROACH OR A WARNING BE ISSUED. HOHMANN
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 5:15 AM CDT | Flash Flood Warning | EWX | Zavala | 90 min |
| May 5, 5:15 AM CDT | Severe Thunderstorm Warning | EWX | Zavala | 90 min |
| May 5, 7:02 AM CDT | Severe Thunderstorm Warning | EWX | Jackson | 58 min |
| May 5, 11:24 AM CDT | Flash Flood Warning | EWX | Bastrop | 3 hr |
| May 5, 1:04 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 56 min |
| May 5, 2:11 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 34 min |
| May 5, 2:25 PM CDT | Flash Flood Warning | EWX | Comal | 4 hr |
| May 5, 2:30 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Uvalde | 60 min |
| May 5, 3:19 PM CDT | Flash Flood Warning | EWX | Bandera, Medina | 3 hr |
| May 5, 3:27 PM CDT | Severe Thunderstorm Warning | EWX | Victoria | 63 min |
| May 5, 4:16 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 59 min |
| May 5, 4:37 PM CDT | Severe Thunderstorm Warning | EWX | Victoria | 68 min |
| May 5, 5:52 PM CDT | Flash Flood Warning | EWX | Victoria | 2 hr |
| May 5, 6:08 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 67 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.