Alert archive / Texas / Flash Flood Warnings in 1996

Flash Flood Warning 5, NWS Austin/San Antonio, TX

May 30, 1996Real County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 30, 1996, 3:11 AM CDT for Real County, Uvalde County, Texas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 30, 1996, 3:11 AM CDT (08:11 UTC)
Expired
May 30, 1996, 9:15 AM CDT
In force
6 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Real County, TX, Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 8.2 hours before the alert went out and 104 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 1996-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3217 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 1996-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
3217 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1714 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-29 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-3.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 300820
FFWSAT
TXC385-463-301415-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
311 AM CDT THU MAY 30 1996
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...REAL COUNTY...UVALDE COUNTY...ESPECIALLY THOSE AREAS
      ADJACENT TO THE FRIO RIVER...
 
AT 310 AM CDT...AN OBSERVER AT PRADE RANCH...16 MILES NORTH OF
LEAKEY IN REAL COUNTY...REPORTED A RAINFALL TOTAL OF 2 INCHES
AND AN 8 TO 10 FOOT RISE ON THE FRIO RIVER.  HEAVIER RAIN
TOTALS ESTIMATED AT NEAR 5 INCHES WERE OBSERVED BY DOPPLER
RADAR ON THE HEADWATERS OF THE FRIO IN NORTHERN REAL COUNTY
EARLIER...SO THIS WATER IS NOW FLOWING DOWNSTREAM.
 
PERSONS IN OR NEAR LEAKEY...GARNER STATE PARK...RIO FRIO
AND CONCAN SHOULD BE ON THE ALERT FOR SUDDEN RISES ON THE
FRIO RIVER THE REST OF THIS MORNING...AND BE PREPARED TO
MOVE TO HIGHER GROUND QUICKLY.
 
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 IF YOU CAN DO SO SAFELY.
 
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.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS AND OTHER
PEOPLE IN RECREATION AREAS ALONG CREEKS...STREAMS...AND RIVERS IN
THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 10:54 PM CDTSevere Thunderstorm WarningEWXEdwards66 min
May 30, 12:11 AM CDTFlash Flood WarningEWXEdwards2 hr
May 30, 12:47 AM CDTSevere Thunderstorm WarningEWXEdwards, Real58 min
May 30, 1:04 AM CDTFlash Flood WarningEWXReal116 min

Nearby

Flash Flood Warnings in Texas, 1996Every flash flood warning in 1996

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.