Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 2, NWS Austin/San Antonio, TX

May 13, 1994Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 13, 1994, 1:36 AM CDT for Val Verde County, Texas. It was in force for 94 min.

The area

The counties it named.

The facts

Issued
May 13, 1994, 1:36 AM CDT (06:36 UTC)
Expired
May 13, 1994, 3:10 AM CDT
In force
94 min
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 00:00Z, 6.6 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 00:00Z on 1994-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3025 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 1994-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.193958Sfc1 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
3025 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
2.2
Supercell composite
14.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDRT 130636
FFWDRT
TXC465-131045-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DEL RIO TX
136 AM CDT FRI MAY 13 1994
 
THE NATIONAL WEATHER SERVICE IN DEL RIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  545 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN SOUTH CENTRAL TEXAS
 
   ...VAL VERDE COUNTY
 
AT 130 AM CDT RADAR SHOWED THUNDERSTORMS WITH POSSIBLE HAIL...VERY HEAVY
RAINFALL AND DANGEROUS LIGHTNING EXTENDING FROM JUST WEST OF
COMSTOCK...27 MILES NW OF DEL RIO... TO LOMA ALTA...40 MILES NORTH OF
DEL RIO. THESE STORMS HAVE PERSISTED IN THE LOMA ALTA AND ROUGH CANYON
OF LAKE AMISTAD FOR OVER AN HOUR. RADAR ESTIMATED RAINFALL RATES EXCEED
4 INCHES PER HOUR.
 
PERSONS IN THE ROUGH CANYON AND LOMA ALTA AREA SHOULD MONITOR THE
SITUATION VERY CLOSELY AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF
FLOODING SHOULD OCCUR.  LOW WATER CROSSINGS ON ROADS THROUGHOUT THIS
AREA WILL BE SUBJECT TO FLASH FLOODING. ANY MOTORISTS SHOULD DRIVE WITH
CAUTION IN THAT AREA.
 
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 RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  RNEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TELEVISION
STATIONS FOR FURTHER INFORMATION.
 
NNNN

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 13, 12:23 AM CDT, 1 hour 13 minutes before
TXZ183-130630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1225 AM CDT FRI MAY 13 1994

AT 1215 AM CDT RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS
EXTENDED ACROSS VAL VERDE COUNTY FROM NEAR LANGTRY NORTHEAST TO
NEAR ROCKSPRINS IN EDWARDS COUNTY. THUNDERSTORMS WITH HEAVY
RAINFALL WERE LOCATED NEAR LOMA ALTA ABOUT 40 MILES NORTH OF DEL
RIO. MOVEMENT OF THIS AREA WAS TO THE SOUTHEAST AT 15 MPH WHILE
INDIVIDUAL STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH.  ANOTHER AREA
OF THUNDERSTORMS WAS LOCATED ABOUT 30 MILES TO THE SOUTHWEST OF DEL RIO.
MOVEMENT WAST TO THE NORTHEAST AT 25 MPH. THESE TWO AREAS OF
PRECIPITATION COULD COME TOGETHER IN THE DEL RIO AREA IN THE NEXT 1 TO 2
HOURS AND BECOME STRONGER.

SOME LOW WATER CROSSINGS IN EASTERN VAL VERDE COULD FLOOD BRIEFLY. SOME
MINOR STREET FLOODING COULD OCCUR IN DEL RIO AS THE STORMS MOVE THROUGH
THE CITY. BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO
SEEK SAFE HARBOR AS THESE STORMS APPROACH.
Special weather statement, May 13, 12:25 AM CDT, 1 hour 11 minutes before
TXZ183-130630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1225 AM CDT FRI MAY 13 1994

AT 1215 AM CDT RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS
EXTENDED ACROSS VAL VERDE COUNTY FROM NEAR LANGTRY NORTHEAST TO
NEAR ROCKSPRINS IN EDWARDS COUNTY. THUNDERSTORMS WITH HEAVY
RAINFALL WERE LOCATED NEAR LOMA ALTA ABOUT 40 MILES NORTH OF DEL
RIO. MOVEMENT OF THIS AREA WAS TO THE SOUTHEAST AT 15 MPH WHILE
INDIVIDUAL STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH.  ANOTHER AREA
OF THUNDERSTORMS WAS LOCATED ABOUT 30 MILES TO THE SOUTHWEST OF DEL RIO.
MOVEMENT WAST TO THE NORTHEAST AT 25 MPH. THESE TWO AREAS OF
PRECIPITATION COULD COME TOGETHER IN THE DEL RIO AREA IN THE NEXT 1 TO 2
HOURS AND BECOME STRONGER.

SOME LOW WATER CROSSINGS IN EASTERN VAL VERDE COULD FLOOD BRIEFLY. SOME
MINOR STREET FLOODING COULD OCCUR IN DEL RIO AS THE STORMS MOVE THROUGH
THE CITY. BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO
SEEK SAFE HARBOR AS THESE STORMS APPROACH.
Special weather statement, May 13, 12:55 AM CDT, 41 minutes before
TXZ183-130700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
100 AM CDT FRI MAY 13 1994

AT 1250 AM CDT RADAR SHOWED AN AREA OF SHOWERS AND VERY
STRONG THUNDERSTORMS EXTENDED ACROSS VAL VERDE COUNTY FROM
SOUTHWEST OF COMSTOCK EXTENDING  NORTHEAST TO NEAR ROCKSPRINS IN EDWARDS
COUNTY. THUNDERSTORMS WITH HEAVY RAINFALL...POSSIBLE HAIL...DANGEROUS
LIGHTNING AND GUSTY WINDS WERE LOCATED OVER LAKE AMISTAD ABOUT 20
MILES NORTH NORTHWEST OF DEL RIO. MOVEMENT OF THIS AREA WAS TO THE
SOUTHEAST AT 20 MPH. THES STORMS SHOULD MOVE IN THE DEL RIO AREA IN
THE NEXT 1 TO 2 HOURS..

SOME LOW WATER CROSSINGS IN EASTERN VAL VERDE COULD FLOOD BRIEFLY. SOME
MINOR STREET FLOODING COULD OCCUR IN LDEL RIO AS THE STORMS MOVE THROUGH
THE CITY. BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO
SEEK SAFE HARBOR AS THESE STORMS APPROACH.
Special weather statement, May 13, 12:57 AM CDT, 39 minutes before
TXZ183>189-202>206-217>219-130730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1257 AM CDT FRI MAY 13 1994

AT 1250 AM THIS MORNING...NATIONAL WEATHER SERVICE RADAR INDICATED A NEARLY
SOLID LINE OF SHOWERS AND THUNDERSTORMS MOVING OVER THE TEXAS HILL COUNTRY
AND EDWARDS PLATEAU.  THE LINE STRETCHED FROM NEAR JUNCTION TO ROCKSPRINGS
TO JUST NORTH OF DEL RIO.  THE LINE WAS MOVING TOWARD THE EAST AT 20 MPH.

THIS LINE OF STORMS HAS SO FAR PRODUCED WIND GUSTS TO 30 MPH...VERY HEAVY
RAIN...AND VERY DRAMATIC AND DANGEROUS LIGHTNING AS IT MOVED ACROSS THE
WESTERN HILL COUNTRY NEAR MIDNIGHT.  NO SEVERE WEATHER HAS BEEN INDICATED
SO FAR WITH THIS SYSTEM.

IF THE ACTIVITY CONTINUES ITS PRESENT MOVEMENT...IT WILL REACH THE CITIES
OF KERRVILLE...LEAKEY...BRACKETTVILLE AND DEL RIO WITHIN THE NEXT HOUR.
Special weather statement, May 13, 12:57 AM CDT, 39 minutes before
TXZ183>189-202>206-217>219-130730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1257 AM CDT FRI MAY 13 1994

AT 1250 AM THIS MORNING...NATIONAL WEATHER SERVICE RADAR INDICATED A NEARLY
SOLID LINE OF SHOWERS AND THUNDERSTORMS MOVING OVER THE TEXAS HILL COUNTRY
AND EDWARDS PLATEAU.  THE LINE STRETCHED FROM NEAR JUNCTION TO ROCKSPRINGS
TO JUST NORTH OF DEL RIO.  THE LINE WAS MOVING TOWARD THE EAST AT 20 MPH.

THIS LINE OF STORMS HAS SO FAR PRODUCED WIND GUSTS TO 30 MPH...VERY HEAVY
RAIN...AND VERY DRAMATIC AND DANGEROUS LIGHTNING AS IT MOVED ACROSS THE
WESTERN HILL COUNTRY NEAR MIDNIGHT.  NO SEVERE WEATHER HAS BEEN INDICATED
SO FAR WITH THIS SYSTEM.

IF THE ACTIVITY CONTINUES ITS PRESENT MOVEMENT...IT WILL REACH THE CITIES
OF KERRVILLE...LEAKEY...BRACKETTVILLE AND DEL RIO WITHIN THE NEXT HOUR.
Special weather statement, May 13, 1:00 AM CDT, 36 minutes before
TXZ183-130700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
100 AM CDT FRI MAY 13 1994

AT 1250 AM CDT RADAR SHOWED AN AREA OF SHOWERS AND VERY
STRONG THUNDERSTORMS EXTENDED ACROSS VAL VERDE COUNTY FROM
SOUTHWEST OF COMSTOCK EXTENDING  NORTHEAST TO NEAR ROCKSPRINS IN EDWARDS
COUNTY. THUNDERSTORMS WITH HEAVY RAINFALL...POSSIBLE HAIL...DANGEROUS
LIGHTNING AND GUSTY WINDS WERE LOCATED OVER LAKE AMISTAD ABOUT 20
MILES NORTH NORTHWEST OF DEL RIO. MOVEMENT OF THIS AREA WAS TO THE
SOUTHEAST AT 20 MPH. THES STORMS SHOULD MOVE IN THE DEL RIO AREA IN
THE NEXT 1 TO 2 HOURS..

SOME LOW WATER CROSSINGS IN EASTERN VAL VERDE COULD FLOOD BRIEFLY. SOME
MINOR STREET FLOODING COULD OCCUR IN DEL RIO AS THE STORMS MOVE THROUGH
THE CITY. BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO
SEEK SAFE HARBOR AS THESE STORMS APPROACH.

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 1:45 AM CDTFlash Flood WarningEWXSan Saba3 hr
May 13, 12:10 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson65 min
May 13, 12:37 PM CDTTornado WarningEWXLavaca58 min
May 13, 12:42 PM CDTTornado WarningEWXWilliamson48 min
May 13, 1:20 PM CDTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe55 min
May 13, 1:20 PM CDTSevere Thunderstorm WarningEWXWilson55 min
May 13, 1:28 PM CDTTornado WarningEWXHays32 min
May 13, 1:37 PM CDTTornado WarningEWXLavaca8 min
May 13, 1:50 PM CDTSevere Thunderstorm WarningEWXAtascosa, Frio70 min
May 13, 2:25 PM CDTSevere Thunderstorm WarningEWXGonzales, Wilson65 min
May 13, 2:29 PM CDTSevere Thunderstorm WarningEWXDeWitt61 min
May 13, 2:45 PM CDTTornado WarningEWXDeWitt60 min
May 13, 2:47 PM CDTTornado WarningEWXBastrop28 min
May 13, 3:02 PM CDTSevere Thunderstorm WarningEWXMcMullen58 min
May 13, 3:11 PM CDTTornado WarningEWXFayette49 min
May 13, 3:50 PM CDTTornado WarningEWXDeWitt, Lavaca55 min
May 13, 4:25 PM CDTSevere Thunderstorm WarningEWXVictoria65 min

Nearby

Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994

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.