Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 47, NWS Austin/San Antonio, TX

May 16, 1992Wilson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 16, 1992, 9:13 PM CDT for Wilson County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 16, 1992, 9:13 PM CDT (02:13 UTC)
Expired
May 17, 1992, 1:15 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Wilson County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.2 hours before the alert went out and 176 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 1992-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1821 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 1992-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1821 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 170215
FFWSAT
TXC493-170615-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
913 PM CDT SAT MAY 16 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  115 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...WILSON COUNTY
 
AT 905 PM CDT RADAR AND SATELLITE PHOTOS SHOWED HEAVY RAINS CONTINUING
OVER WILSON COUNTY. UP TO 4 INCHES OF RAIN HAS FALLEN ACROSS PARTS OF
WILSON COUNTY DURING THE PAST TWO HOURS AND FLOODING HAS CLOSED MANY
HIGHWAYS. AT LEAST THREE PEOPLE HAVE BEEN RESCUED FROM FLOOD SWOLLEN
CREEKS AS THEY ATTEMPTED TO DRIVE THROUGH CROSSINGS.
 
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.
 
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

Special weather statement, May 16, 7:29 PM CDT, 1 hour 44 minutes before
TXZ054-170145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
730 PM CDT SAT MAY 16 1992

AT 725 PM CDT RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN NEAR
BAKERS CROSSING...43 MILES NORTHWEST OF DEL RIO. LITTLE MOVEMENT WAS
INDICATED.

SMALL HAIL AND HEAVY RAIN HAD BEEN REPORTED NEAR BAKERS CROSSING.

MOTORISTS TRAVELING NORTH OUT COMSTOCK TO JUNO ALONG HIGHWAY 163 SHOULD
NOT ATTEMPT TO CROSS FLOODED LOW WATER CROSSINGS. CAMPERS AND FISHERMEN
ALONG THE DEVILS RIVER SHOULD BE PREPARED TO MOVE TO HIGHER GROUND.

REMEMBER...IF YOU OBSERVE ANY AMOUNT OF WATER COMING DOWN A CREEK OR
DRAW...DO NOT WAIT...MOVE TO HIGHER GROUND IMMEDIATELY. A SMALL TRICKLE
OF WATER CAN BECOME A LINFE THREATENING TORRENT OF WATER IN MINUTES.

STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
Special weather statement, May 16, 8:40 PM CDT, 33 minutes before
TXZ054-170240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
840 PM CDT SAT MAY 16 1992

AT 835 PM CDT RADAR INDICATED ONLY SHOWERS REMAINED IN VAL VERDE
COUNTY NEAR LOM ALTA. MOVEMENT WAS TO THE EAST AT 10 MPH.

HEAVY RAIN ALONG THE DEVILS RIVER NEAR BAKERS CROSSING...43 MILES
NORTHWEST OF DEL RIO HAD BEEN REPORTED EARLIER.

MOTORISTS TRAVELING NORTH OUT COMSTOCK TO JUNO ALONG HIGHWAY 163 SHOULD
SHOULD BE ALERT TO THE POSSIBILITY OF FLOODED LOW WATER CROSSINGS.
CAMPERS AND FISHERMEN ALONG THE DEVILS RIVER SHOULD REMAIN ALERT AND BE
PREPARED TO MOVE TO HIGHER GROUND.

STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
T

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:46 PM CDTTornado WarningEWXAtascosa44 min
May 16, 8:12 PM CDTFlash Flood WarningEWXBastrop2 hr
May 16, 8:27 PM CDTTornado WarningEWXWilson63 min
May 16, 9:51 PM CDTFlash Flood WarningEWXGonzales4 hr
May 16, 9:58 PM CDTFlash Flood WarningEWXBastrop, Lee3 hr
May 16, 11:20 PM CDTFlash Flood WarningEWXAtascosa, Karnes, La Salle, McMullen4 hr
May 17, 1:49 AM CDTFlash Flood WarningEWXLavaca116 min

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood warning in 1992

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.