Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 33, NWS Austin/San Antonio, TX

October 20, 1993Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 20, 1993, 4:06 AM CDT for Real County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 20, 1993, 4:06 AM CDT (09:06 UTC)
Expired
Oct 20, 1993, 8:15 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Real County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 9.1 hours before the alert went out and 111 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 1993-10-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1433 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1993-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1433 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1213 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
1.2
Supercell composite
8.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 200913 COR
FFWSAT
TXC259-385-201315-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED COUNTY
NATIONAL WEATHER SERVICE SAN ANTONIO TX
406 AM CDT WED OCT 20 1993

THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIESS...

IN SOUTH TEXAS

   ...KENDALL COUNTY...REAL COUNTY

HEAVY RAIN CONTINUES ACROSS KENDALL COUNTY...HIGHWAY 473 REMAINS CLOSED
ALONG ITS ENTIRE LENGTH. OTHER MINOR ROADS ARE FLOODED ACROSS THE COUNTY
AND MORE HEAVY RAIN CAN BE EXPECTED LATER THIS MORNING.

HEAVY RAIN IN REAL COUNTY HAS SWOLLEN CREEKS AND STREAMS TO BANKFULL
ACROSS MANY AREAS OF THE COUNTY.

AT 405 AM CDT RADAR THUNDERSTORMS WITH HEAVY RAIN STRETCHING FROM
CENTRAL REAL TO WEST KERR COUNTY.  ANOTHER LARGE AREA OF THUNDERSTORMS
STRETCHED FROM SAN ANTONIO TO NORTH OF BEORNE NORTHEASTWARD TO THE
AUSTIN AREA...MOVEMENT WAS NORTHEAST AT NEAR 30 MPH.

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 pESCAPE
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, Oct 19, 10:15 PM CDT, 5 hours 51 minutes before
TXZ183-200400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1016 PM CDT TUE OCT 19 1993

...FLASH FLOOD WATCH CONTINUES IN EFFECT TONIGHT...
...TORNADO WARNING FOR VAL VERDE COUNTY HAS EXPIRED...
...TORNADO WATCH HAS EXPIRED...

AT 1010 PM CDT...NO PRECIPITATION REMAINED IN VAL VERDE COUNTY. ALL OF
THE ACTIVITY HAD MOVED OFF TO THE EAST.

ONE TORNADO TOUCHDOWN HAS BEEN CONFIRMED IN THE CITY OF DEL RIO...WHICH
OCCURED AROUND 820 PM CDT. THERE HAVE BEEN REPORTS OF DAMAGE AND
INJURIES WITH THIS STORM. IN ADDITION...BASEBALL SIZED HAIL HAD BEEN
REPORTED IN SEVERAL AREAS ACROSS THE CITY.

THE TORNADO WAS FIRST REPORTED IN THE SOUTHERN PART OF DEL RIO NEAR
HIGHWAY 277. IT APPEARS THAT THE TORNADO TRACKED TO THE NORTHEAST ALONG
THE SOUTHERN PORTION OF THE CITY. CONSIDERABLE DAMAGE WAS REPORTED
ALONG QUALLIA LANE. THE TORNADO CONTINUED TO THE NORTHEAST AND
CROSSED OVER US HIGHWAY 90...AND MOVED PASSED THE SHERIFFS
DEPARTMENT ON HAMILTON LANE. CONSIDERABLE DAMAGE AND INJURIES WERE
REPORTED IN THE VAL VERDE PARK ESTATES AREA.
Special weather statement, Oct 19, 10:16 PM CDT, 5 hours 50 minutes before
TXZ183-200400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1016 PM CDT TUE OCT 19 1993

...FLASH FLOOD WATCH CONTINUES IN EFFECT TONIGHT...
...TORNADO WARNING FOR VAL VERDE COUNTY HAS EXPIRED...
...TORNADO WATCH HAS EXPIRED...

AT 1010 PM CDT...NO PRECIPITATION REMAINED IN VAL VERDE COUNTY. ALL OF
THE ACTIVITY HAD MOVED OFF TO THE EAST.

ONE TORNADO TOUCHDOWN HAS BEEN CONFIRMED IN THE CITY OF DEL RIO...WHICH
OCCURED AROUND 820 PM CDT. THERE HAVE BEEN REPORTS OF DAMAGE AND
INJURIES WITH THIS STORM. IN ADDITION...BASEBALL SIZED HAIL HAD BEEN
REPORTED IN SEVERAL AREAS ACROSS THE CITY.

THE TORNADO WAS FIRST REPORTED IN THE SOUTHERN PART OF DEL RIO NEAR
HIGHWAY 277. IT APPEARS THAT THE TORNADO TRACKED TO THE NORTHEAST ALONG
THE SOUTHERN PORTION OF THE CITY. CONSIDERABLE DAMAGE WAS REPORTED
ALONG QUALLIA LANE. THE TORNADO CONTINUED TO THE NORTHEAST AND
CROSSED OVER US HIGHWAY 90...AND MOVED PASSED THE SHERIFFS
DEPARTMENT ON HAMILTON LANE. CONSIDERABLE DAMAGE AND INJURIES WERE
REPORTED IN THE VAL VERDE PARK ESTATES AREA.
Local storm report, Oct 20, 3:28 AM CDT, 38 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE DEL RIO TEXAS
330 AM CDT WED OCT 20 1993

STORM REPORTS FROM TUE OCT 19 1993

540 PM CDT    3/4" HAIL REPORTED AT BOX CANYON OVER LAKE AMISTAD...
              VAL VERDE COUNTY.

610 PM CDT    3/4" HAIL REPORTED AT ROUGH CANYON OVER LAKE AMISTAD...
              VAL VERDE COUNTY.

820 PM CDT    3/4" HAIL REPORTED BY SHERIFFS SPOTTER ON STATE HIGHWAY
              277 ON SOUTH SIDE OF DEL RIO...VAL VERDE COUNTY.

825 PM CDT    BASEBALL SIZE HAIL REPORTED BY SHERIFFS SPOTTER ON STATE
              HIGHWAY 277 ON SOUTH SIDE OF DEL RIO...VAL VERDE COUNTY.

828 PM CDT    TORNADO REPORTED OVERHEAD BY SHERIFFS SPOTTER LISTED
              ABOVE. PATROL CAR BLOWN OFF HIGHWAY INTO DITCH. NO
              INJURIES...VAL VERDE COUNTY.

832 PM CDT    DAMAGE REPORTED IN SE PART OF DEL RIO FROM TORNADO.
              TREES AND POWERLINES DOWN...SEVERAL ROOFS BLOWN OFF.
              BASEBALL SIZED HAIL REPORTED IN SEVERAL AREAS. NO
              INJURIES...VAL VERDE COUNTY.

833 PM CDT    1 1/4" HAIL AND A WIND GUST TO 64 MPH AT LAUGHLIN AFB...
              VAL VERDE COUNTY.

837 PM CDT    TORNADO SIGHTED NEAR VAL VERDE COUNTY SHERIFFS OFFICE
              ON THE EAST SIDE OF DEL RIO. MOBILE HOME COMPLETELY
              DESTROYED IN THIS AREA. NO INJURIES...VAL VERDE COUNTY.

840 PM CDT    DAMAGE TO SEVERAL HOMES FROM TORNADO IN VAL VERDE PARKS
              ESTATES ON EAST SIDE OF DELJ RIO. BASEBALL SIZED HAIL
              ALSO REPORTED IN THIS AREA. 2 MINOR INJURIES REPORTED...
              VAL VERDE COUNTY.

844 PM CDT    ROOF DAMAGE TO AN APARTMENT COMPLEX NEAR LAUGHLIN AFB...
              VAL VERDE COUNTY.
Local storm report, Oct 20, 3:30 AM CDT, 36 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE DEL RIO TEXAS
330 AM CDT WED OCT 20 1993

STORM REPORTS FROM TUE OCT 19 1993

540 PM CDT    3/4" HAIL REPORTED AT BOX CANYON OVER LAKE AMISTAD...
              VAL VERDE COUNTY.

610 PM CDT    3/4" HAIL REPORTED AT ROUGH CANYON OVER LAKE AMISTAD...
              VAL VERDE COUNTY.

820 PM CDT    3/4" HAIL REPORTED BY SHERIFFS SPOTTER ON STATE HIGHWAY
              277 ON SOUTH SIDE OF DEL RIO...VAL VERDE COUNTY.

825 PM CDT    BASEBALL SIZE HAIL REPORTED BY SHERIFFS SPOTTER ON STATE
              HIGHWAY 277 ON SOUTH SIDE OF DEL RIO...VAL VERDE COUNTY.

828 PM CDT    TORNADO REPORTED OVERHEAD BY SHERIFFS SPOTTER LISTED
              ABOVE. PATROL CAR BLOWN OFF HIGHWAY INTO DITCH. NO
              INJURIES...VAL VERDE COUNTY.

832 PM CDT    DAMAGE REPORTED IN SE PART OF DEL RIO FROM TORNADO.
              TREES AND POWERLINES DOWN...SEVERAL ROOFS BLOWN OFF.
              BASEBALL SIZED HAIL REPORTED IN SEVERAL AREAS. NO
              INJURIES...VAL VERDE COUNTY.

833 PM CDT    1 1/4" HAIL AND A WIND GUST TO 64 MPH AT LAUGHLIN AFB...
              VAL VERDE COUNTY.

837 PM CDT    TORNADO SIGHTED NEAR VAL VERDE COUNTY SHERIFFS OFFICE
              ON THE EAST SIDE OF DEL RIO. MOBILE HOME COMPLETELY
              DESTROYED IN THIS AREA. NO INJURIES...VAL VERDE COUNTY.

840 PM CDT    DAMAGE TO SEVERAL HOMES FROM TORNADO IN VAL VERDE PARKS
              ESTATES ON EAST SIDE OF DEL RIO. BASEBALL SIZED HAIL
              ALSO REPORTED IN THIS AREA. 2 MINOR INJURIES REPORTED...
              VAL VERDE COUNTY.

844 PM CDT    ROOF DAMAGE TO AN APARTMENT COMPLEX NEAR LAUGHLIN AFB...
              VAL VERDE COUNTY.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 19, 8:10 PM CDTSevere Thunderstorm WarningEWXVal Verde50 min
Oct 19, 8:32 PM CDTTornado WarningEWXVal Verde28 min
Oct 19, 8:41 PM CDTSevere Thunderstorm WarningEWXKinney64 min
Oct 19, 9:00 PM CDTSevere Thunderstorm WarningEWXKerr45 min
Oct 19, 9:31 PM CDTTornado WarningEWXGillespie44 min
Oct 19, 10:10 PM CDTTornado WarningEWXReal50 min
Oct 19, 10:13 PM CDTSevere Thunderstorm WarningEWXKendall47 min
Oct 19, 10:37 PM CDTSevere Thunderstorm WarningEWXBandera53 min
Oct 19, 10:48 PM CDTTornado WarningEWXBlanco57 min
Oct 19, 10:56 PM CDTTornado WarningEWXBurnet49 min
Oct 19, 11:18 PM CDTSevere Thunderstorm WarningEWXLlano27 min
Oct 19, 11:27 PM CDTSevere Thunderstorm WarningEWXBandera33 min
Oct 19, 11:28 PM CDTTornado WarningEWXHays, Travis, Williamson47 min
Oct 19, 11:52 PM CDTFlash Flood WarningEWXKendall4 hr
Oct 20, 12:07 AM CDTTornado WarningEWXTravis, Williamson53 min
Oct 20, 12:16 AM CDTTornado WarningEWXTravis, Williamson44 min
Oct 20, 4:06 AM CDTFlash Flood WarningEWXKendall4 hr
Oct 20, 4:18 AM CDTSevere Thunderstorm WarningEWXBandera42 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.