Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 27, NWS Austin/San Antonio, TX

August 31, 1993Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 31, 1993, 8:30 AM CDT for Val Verde County, Texas. It was in force for .

The area

The counties it named.

The facts

Issued
Aug 31, 1993, 8:30 AM CDT (13:30 UTC)
Expired
Aug 31, 1993, 8:30 AM CDT
In force
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 1.5 hours before the alert went out and 66 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 12:00Z on 1993-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1097 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 12:00Z on 1993-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 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
1097 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
725 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Aug 31, 4:07 AM CDT, 4 hours 23 minutes before
TXZ054-311100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
405 AM CDT TUE AUG 31 1993

AT 400 AM RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS OVER
NORTHERN VAL VERDE COUNTY MOVING SLOWLY SOUTH.

THESE SHOWERS AND THUNDERSTORMS WILL AFFECT PARTS OF VAL VERDE COUNTY
FOR THE NEXT FEW HOURS.  LOCALLY HEAVY RAIN AND STRONG GUSTY WIND IS
POSSIBLE WITH THE STRONGER STORMS.  MOTORISTS SHOULD NOT ATTEMPT TO DRIVE
INTO ANY LOW& WATER CROSSINGS THAT CAN POTENTIALLY BECOME FLOODED.
Special weather statement, Aug 31, 4:14 AM CDT, 4 hours 16 minutes before
TXZ054-311130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
420 AM CDT TUE AUG 31 1993

AT 415 AM CDT...RADAR INDICATED SHOWERS AND THUNDERSTORMS IN CENTRAL VAL
VERDE COUNTY...FROM 25 MILES WEST OF DEL RIO TO SAN ANGELO TO JUNCTION
AND BACK. MOVEMENT WAS VERY SLOWLY TO THE SOUTH.

HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND STRONG
GUSTY WINDS ARE POSSIBLE WITH THESE STORMS.

THUNDERSTORM REMAIN IN THE FORECAST FOR TODAY...BOATERS AND FISHERMEN ON
LAKE AMISTAD AND SURROUNDING RIVERS SHOULD REMAIN ALERT AND BE PREPARED
TO MOVE TO SHORE AND AWAY FROM THE WATER IF THUNDER IS HEARD...LIGHTNING
IS SEEN OR WINDS BEGIN INCREASING.

MOTORISTS TRAVELING NORTH OUT OF DEL RIO ON HIGHWAYS 277 AND 377 AND
NORTH OUT OF COMSTOCK SHOULD BE BE PREPARED FOR REDUCED VISIBILITIES AND
SLOWER TRAFFIC DUE TO THE HEAVY RAIN AND POSSIBLE FLOODING OF LOW WATER
CROSSINGS.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV STATIONS FOR
FURTHER STATEMENTS.
Special weather statement, Aug 31, 4:20 AM CDT, 4 hours 10 minutes before
TXZ054-311130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
420 AM CDT TUE AUG 31 1993

AT 415 AM CDT...RADAR INDICATED SHOWERS AND THUNDERSTORMS IN CENTRAL VAL
VERDE COUNTY...FROM 25 MILES WEST OF DEL RIO TO SAN ANGELO TO JUNCTION
AND BACK. MOVEMENT WAS VERY SLOWLY TO THE SOUTH.

HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND STRONG
GUSTY WINDS ARE POSSIBLE WITH THESE STORMS.

THUNDERSTORM REMAIN IN THE FORECAST FOR TODAY...BOATERS AND FISHERMEN ON
LAKE AMISTAD AND SURROUNDING RIVERS SHOULD REMAIN ALERT AND BE PREPARED
TO MOVE TO SHORE AND AWAY FROM THE WATER IF THUNDER IS HEARD...LIGHTNING
IS SEEN OR WINDS BEGIN INCREASING.

MOTORISTS TRAVELING NORTH OUT OF DEL RIO ON HIGHWAYS 277 AND 377 AND
NORTH OUT OF COMSTOCK SHOULD BE BE PREPARED FOR REDUCED VISIBILITIES AND
SLOWER TRAFFIC DUE TO THE HEAVY RAIN AND POSSIBLE FLOODING OF LOW WATER
CROSSINGS.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV STATIONS FOR
FURTHER STATEMENTS.
Special weather statement, Aug 31, 4:29 AM CDT, 4 hours 1 minute before
TXZ030-034>037-311130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
430 AM CDT SAT AUG 28 1993

...LET IT RAIN OVER THE NORTHERN HILL COUNTRY...
...BENEFICIAL RAINS A GOOD BET FOR PARTS OF CENTRAL TEXAS TODAY...

AT 425 AM...SCATTERED SHOWERS AND A FEW THUNDERSTORMS HAD MOVED INTO MILLS...
SAN SABA AND LAMPASAS COUNTIES.  LITTLE MOVEMENT WAS NOTED WITH THESE RAINS.

THESE RAINS WILL EXPAND IN AREAL COVERAGE DURING THE DAY AND COVER A GOOD
PART OF CENTRAL TEXAS BY THIS AFTERNOON.

MOTORIST SHOULD EXERCISE CAUTION IN AREAS OF RAIN...AS THE ROADWAYS WILL BE
PARTICULARLY SLICK FROM THE ACCUMULATED OIL AND OTHER DEPOSITS LEFT ON THE
ROAD DURING THE EXTENDED DRY SPELL.

STAY TFUNED TO NOAA WEATHER RADIO AND OR STATEMENTS ON WHEN THE RAINS MAY
ARRIVE IN YOUR AREA LATER TODAY.                      LUNA
Special weather statement, Aug 31, 6:25 AM CDT, 2 hours 5 minutes before
TXZ034-035-054-311500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
625 AM CDT TUE AUG 31 1993

AT 620 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN HONDO...TEXAS SHOWED
AN AREA OF SHOWERS AND THUNDERSTORMS FROM NORTH OF DEL RIO TO NORTH OF
ROCKSPRINGS MOVING SLOWLY SOUTH.

THESE SHOWERS AND THUNDERSTORMS WILL AFFECT PARTS OF EDWARDS COUNTY FOR
THE NEXT FEW HOURS.  LOCALLY HEAVY RAIN AND STRONG GUSTY WIND IS POSSIBLE
WITH THE STRONGER STORMS.  MOTORISTS SHOULD NOT ATTEMPT TO DRIVE
INTO ANY LOW WATER CROSSINGS THAT CAN POTENTIALLY BECOME FLOODED.
Special weather statement, Aug 31, 6:25 AM CDT, 2 hours 5 minutes before
TXZ034-035-054-311500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
625 AM CDT TUE AUG 31 1993

AT 620 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN HONDO...TEXAS SHOWED
AN AREA OF SHOWERS AND THUNDERSTORMS FROM NORTH OF DEL RIO TO NORTH OF
ROCKSPRINGS MOVING SLOWLY SOUTH.

THESE SHOWERS AND THUNDERSTORMS WILL AFFECT PARTS OF EDWARDS COUNTY FOR
THE NEXT FEW HOURS.  LOCALLY HEAVY RAIN AND STRONG GUSTY WIND IS POSSIBLE
WITH THE STRONGER STORMS.  MOTORISTS SHOULD NOT ATTEMPT TO DRIVE
INTO ANY LOW WATER CROSSINGS THAT CAN POTENTIALLY BECOME FLOODED.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 6:32 AM CDTFlash Flood WarningEWXVal Verde118 min
Aug 31, 12:00 PM CDTFlash Flood WarningEWXVal Verde3 hr

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.