Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 20, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 26, 1993, 6:06 AM CDT for Wilson County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 26, 1993, 6:06 AM CDT (11:06 UTC)
- Expired
- Jun 26, 1993, 9:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Wilson County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 11.1 hours before the alert went out and 176 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
- 2259 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 261107 FFWSAT TXC493-261415- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 606 AM CDT SAT JUN 26 1993 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 915 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...WILSON COUNTY THE WILSON COUNTY SHERIFFS OFFICE REPORTED SEVERAL LOW-WATER CROSSING CLOSED IN THE COUNTY AND SOME HOMES IN LA VERNIA HAVE FLOODED. 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. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIATELY TO HIGHER GROUND. &
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, Jun 26, 2:52 AM CDT, 3 hours 14 minutes before
TXZ035-038-039-040-041-260845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 250 AM CDT SAT JUN 26 1993 AT 240 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING INTO SOUTH CENTRAL TEXAS. THE STORMS EXTENDED FROM JUNCTION TO NEW BRAUNFELS TO AUSTIN AND WERE MOVING SOUTH AT 20 MILES AN HOUR. THE STRONGEST STORM WAS BETWEEN BOERNE IN KENDALL COUNTY AND SPRING BRANCH IN COMAL COUNTY. THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...GUSTY WINDS AND LIGHTNING AS THEY MOVE THROUGH THE AREA THIS MORNING. PERSONS SHOULD ALSO BE PREPARED FOR FLOODING OF ROADWAYS AND LOW-WATER CROSSINGS. DO NOT DRIVE INTO A FLOODED LOW-WATER CROSSING...THE CURRENT CAN TAKE YOU AND YOUR CAR DOWNSTREAM IN JUST A FEW SECONDS...TAKE THE TIME TO FIND AN ANOTHER ROUTE.
Special weather statement, Jun 26, 4:30 AM CDT, 1 hour 36 minutes before
TXZ035-038-039-040-041-260830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 430 AM CDT SAT JUN 26 1993 ...HEAVY RAINS HAVE MOVED INTO THE SAN ANTONIO AREA... AT 425 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM EAST OF JUNCTION TO COTULLA TO NORTH OF AUSTIN. THIS AREA WAS MOVING TO THE SOUTH AT 15 MILES AN HOUR. AT THE SAN ANTONIO INTERNATIONAL AIRPORT .90 INCHES OF RAIN FULL IN THE PAST 45 MINUTES. THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...GUSTY WINDS AND LIGHTNING AS THEY MOVE THROUGH THE AREA THIS MORNING. MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS MORNING AND BE PREPARED FOR FLOODING OF ROADWAYS AND LOW-WATER CROSSINGS IN THE AREA. MOST DEATHS IN FLOODING OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER CROSSINGS. IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT AND MOVE TO HIGHER GROUND IMMEDIATELY.
Special weather statement, Jun 26, 4:32 AM CDT, 1 hour 34 minutes before
TXZ035-038-039-040-041-260830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 430 AM CDT SAT JUN 26 1993 ...HEAVY RAINS HAVE MOVED INTO THE SAN ANTONIO AREA... AT 425 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM EAST OF JUNCTION TO COTULLA TO NORTH OF AUSTIN. THIS AREA WAS MOVING TO THE SOUTH AT 15 MILES AN HOUR. AT THE SAN ANTONIO INTERNATIONAL AIRPORT .90 INCHES OF RAIN FULL IN THE PAST 45 MINUTES. THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...GUSTY WINDS AND LIGHTNING AS THEY MOVE THROUGH THE AREA THIS MORNING. MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS MORNING AND BE PREPARED FOR FLOODING OF ROADWAYS AND LOW-WATER CROSSINGS IN THE AREA. MOST DEATHS IN FLOODING OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER CROSSINGS. IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT AND MOVE TO HIGHER GROUND IMMEDIATELY.
Special weather statement, Jun 26, 5:40 AM CDT, 26 minutes before
TXZ035-038-039-040-041-261130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 540 AM CDT SAT JUN 26 1993 ...HEAVY RAINS CONTINUE OVER SOUTH CENTRAL TEXAS... AT 530 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM MAVERICK COUNTY IN THE WEST TO WILSON COUNTY IN THE EAST AND NORTH OF AUSTIN. AT THE SAN ANTONIO INTERNATIONAL AIRPORT NEAR 1 INCH OF RAIN FELL WITHIN 45 MINUTES. HONDO WEATHER RADAR SHOWED THE HEAVIES RAINFALL OVER NORTHERN ATASCOSA AND FRIO COUNTIES AND WESTERN WILSON COUNTY. THE STORMS WERE SHOWING LITTLE MOVEMENT. THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND LIGHTNING. THE ATASCOSA COUNTY SHERIFFES OFFICE REPORTED SOME TREES UPROOTED IN POTEET. MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS MORNING. FIND OTHER WAYS TO WERE YOUR ARE GOING IF LOW-WATER CROSSINGS ARE FLOODED ALONG YOUR PATH. MOST DEATHS IN FLOODS OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER CROSSINGS. IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT AND MOVE TO HIGHER GROUND IMMEDIATELY.
Special weather statement, Jun 26, 5:42 AM CDT, 24 minutes before
TXZ035-038-039-040-041-260830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 540 AM CDT SAT JUN 26 1993 ...HEAVY RAINS CONTINUE OVER SOUTH CENTRAL TEXAS... AT 530 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM MAVERICK COUNTY IN THE WEST TO WILSON COUNTY IN THE EAST AND NORTH OF AUSTIN. AT THE SAN ANTONIO INTERNATIONAL AIRPORT NEAR 1 INCH OF RAIN FELL WITHIN 45 MINUTES. HONDO WEATHER RADAR SHOWED THE HEAVIES RAINFALL OVER NORTHERN ATASCOSA AND FRIO COUNTIES AND WESTERN WILSON COUNTY. THE STORMS WERE SHOWING LITTLE MOVEMENT. THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND LIGHTNING. THE ATASCOSA COUNTY SHERIFFES OFFICE REPORTED SOME TREES UPROOTED IN POTEET. MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS MORNING. FIND OTHER WAYS TO WERE YOUR ARE GOING IF LOW-WATER CROSSINGS ARE FLOODED ALONG YOUR PATH. MOST DEATHS IN FLOODS OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER CROSSINGS. IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT AND MOVE TO HIGHER GROUND IMMEDIATELY.
Special weather statement, Jun 26, 5:43 AM CDT, 23 minutes before
TXZ035-038-039-040-041-261130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 540 AM CDT SAT JUN 26 1993 ...HEAVY RAINS CONTINUE OVER SOUTH CENTRAL TEXAS... AT 530 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM MAVERICK COUNTY IN THE WEST TO WILSON COUNTY IN THE EAST AND NORTH OF AUSTIN. AT THE SAN ANTONIO INTERNATIONAL AIRPORT NEAR 1 INCH OF RAIN FELL WITHIN 45 MINUTES. HONDO WEATHER RADAR SHOWED THE HEAVIES RAINFALL OVER NORTHERN ATASCOSA AND FRIO COUNTIES AND WESTERN WILSON COUNTY. THE STORMS WERE SHOWING LITTLE MOVEMENT. THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND LIGHTNING. THE ATASCOSA COUNTY SHERIFFES OFFICE REPORTED SOME TREES UPROOTED IN POTEET. MOTORIST ARE URGED TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL THIS MORNING. FIND OTHER WAYS TO WERE YOUR ARE GOING IF LOW-WATER CROSSINGS ARE FLOODED ALONG YOUR PATH. MOST DEATHS IN FLOODS OCCUR WHEN CARS ARE SWEPT OFF OF LOW-WATER CROSSINGS. IF YOUR CAR BECOMES TRAPPED IN A LOW-WATER CROSSING ABANDON IT AND MOVE TO HIGHER GROUND IMMEDIATELY.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:21 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jun 26, 7:12 AM CDT | Flash Flood Warning | EWX | Atascosa | 2 hr |
| Jun 26, 9:20 AM CDT | Flash Flood Warning | EWX | Atascosa, Frio, Zavala | 115 min |
| Jun 26, 9:20 AM CDT | Flash Flood Warning | EWX | Karnes, Wilson | 115 min |
| Jun 26, 11:02 AM CDT | Flash Flood Warning | EWX | Atascosa, Gonzales, Karnes, Wilson | 118 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.