Alert archive / Texas / Flash Flood Warnings in 1996

Flash Flood Warning 12, NWS Austin/San Antonio, TX

June 1, 1996Dimmit County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 1, 1996, 3:01 AM CDT for Dimmit 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
Jun 1, 1996, 3:01 AM CDT (08:01 UTC)
Expired
Jun 1, 1996, 9:00 AM CDT
In force
6 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Dimmit County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 8.0 hours before the alert went out and 249 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, Corpus Christi, TX at 00:00Z on 1996-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1565 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, Corpus Christi, TX at 00:00Z on 1996-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
1565 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
834 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 010803
FFWSAT
TXC127-011400-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
301 AM CDT SAT JUN 1 1996
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  900 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...DIMMIT COUNTY
 
AT 250 AM...RADAR INDICATED RAIN...OCCASIONALLY HEAVY AT TIMES
ACROSS MUCH OF DIMMIT COUNTY. RADAR AND SATELLITE ESTIMATED
RAINFALL AT NEAR 1 INCH PER HOUR WAS OCCURRING WITH SCATTERED
THUNDERSTORMS.  THE STORMS WERE MOVING SLOWLY EAST ACROSS NEARLY
SATURATED GROUND AND ARE EXPECTED TO WEAKEN WITH RAIN ENDING BY
8 AM.  NORTHERN PORTIONS OF THE WARNED AREA HAVE RECIEVED 4 TO 6
INCHES OF RAIN WITH ISOLATED HEAVIER AMOUNTS.  ADDITIONAL RAINFALL
OF 1 TO 2 INCHES IS EXPECTED TO PRODUCE SIGNIFICANT FLOODING OF
STREAMS... CREEKS... AND LOW LYING AREAS.
 
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.

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

Local storm report, Jun 1, 12:51 AM CDT, 2 hours 10 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1251 AM CDT SAT JUN 01 1996

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....
 0830 PM    BANDERA                   TX   1.75 INCH HAIL
05/31/96   BANDERA                        RPTD BY TV WEATHER
                                          REPORTER

0835 PM    MEDINA                    TX   WIND DAMAGE
05/31/96   BANDERA                        SD RPTD LARGE LIMBS BROKEN
                                          FROM TREES

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:07 PM CDTSevere Thunderstorm WarningEWXBandera68 min
May 31, 9:25 PM CDTFlash Flood WarningEWXMedina3 hr
May 31, 10:25 PM CDTFlash Flood WarningEWXUvalde3 hr
May 31, 11:23 PM CDTFlash Flood WarningEWXZavala3 hr
Jun 1, 12:33 AM CDTFlash Flood WarningEWXMedina3 hr
Jun 1, 12:58 AM CDTFlash Flood WarningEWXFrio3 hr
Jun 1, 2:40 AM CDTFlash Flood WarningEWXFrio, Medina, Uvalde, Zavala6 hr
Jun 1, 6:22 PM CDTFlash Flood WarningEWXLee3 hr
Jun 1, 6:38 PM CDTSevere Thunderstorm WarningEWXGillespie67 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.