Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 150, NWS Austin/San Antonio, TX

September 14, 1998Gonzales County, Guadalupe County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Sep 14, 1998, 8:47 AM CDT for Gonzales County, Guadalupe County, Texas. It was in force for 3 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
Sep 14, 1998, 8:47 AM CDT (13:47 UTC)
Expired
Sep 14, 1998, 11:45 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Gonzales County, TX, Guadalupe County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 1.8 hours before the alert went out and 202 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 12:00Z on 1998-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1371 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 1998-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
1371 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
697 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-1 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

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

000 
TTAA00 KSAT 141349
FFWSAT
TXC177-187-141645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
847 AM CDT MON SEP 14 1998

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GUADALUPE COUNTY IN SOUTH CENTRAL TEXAS
  WESTERN GONZALES COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 1145 AM CDT

* FLASH FLOODING EXPECTED-
  ALONG AND EAST OF STATE HIGHWAY 123 SOUTH OF SEGUIN TO STATE
HIGHWAY 80 NEAR LEESVILLE

* DOPPLER ESTIMATED RAINFALL NEAR 1 INCH AN HOUR WITH THE DRIFTING
  SHOWERS...AN EXPECTED TOTAL OF OVER 3 INCHES IN THREE HOURS.

IF YOU ARE IN THESE AREAS...MOVE TO HIGHER GROUND. DO NOT DRIVE
THROUGH WATER COVERING THE ROAD.

MOTORISTS SHOULD BE AWARE THAT SOME SECONDARY ROADS AND LOW WATER
CROSSINGS WILL FLOOD AND BE EXTREMELY DANGEROUS.  RESIDENTS
ADJACENT TO GERONIMO CREEK BELOW HIGHWAY 90A IN SEGUIN SHOULD
MONITOR NOAA WEATHER RADIO AND NEWS REPORTS FOR4 DEVELOPING HEAVY
RAIN AND FLOOD STATEMENTS.

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, Sep 14, 6:00 AM CDT, 2 hours 47 minutes before
TXZ171>173-183>194-202>209-217>225-228-142230-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 AM CDT MON SEP 14 1998

NO HAZARDOUS WEATHER IS FORECAST FOR SOUTH CENTRAL TEXAS OR THE
TEXAS HILL COUNTRY TODAY OR TONIGHT.

SCATTERED SHOWERS ARE EXPECTED TODAY AND TONIGHT WITH RAINFALL
AMOUNTS AVERAGING NEAR A QUARTER OF AN INCH WITH ISOLATED AMOUNTS
OF 1 TO 2 INCHES.

ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER
SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET
WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX.  TIMELY DELIVERY OF DATA AND
PRODUCTS FROM THIS SERVER THROUGH THE INTERNET IS NOT GUARANTEED...
UNLIKE DATA AND PRODUCTS DELIVERED FROM OFFICIAL NATIONAL WEATHER
SERVICE SOURCES.

THE OFFICIAL SOURCE OF NATIONAL WEATHER SERVICE DATA AND PRODUCTS IS
THE NOAA WEATHER RADIO...NOAA WEATHER WIRE...FAMILY OF SERVICES
AND EMWIN.

THE VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...
OPERATES ON A FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
SOUTHWEST TEXAS    FROM MIDLAND            LBBSPSMAF...WWUS35 KMAF
CONCHO VALLEY      FROM SAN ANGELO         LBBSPSSJT...WWUS35 KSJT
NORTH TEXAS        FROM FORT WORTH         FTWSPSFTW...WWUS35 KFTW
SOUTHEAST TEXAS    FROM HOUSTON/GALVESTON  SATSPSHOU...WWUS35 KHOU
COASTAL BEND/      FROM CORPUS CHRISTI     SATSPSCRP...WWUS35 KCRP
RIO GRANDE PLAINS
Special weather statement, Sep 14, 6:00 AM CDT, 2 hours 47 minutes before
TXZ171>173-183>194-202>209-217>225-228-142230-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 AM CDT MON SEP 14 1998

NO HAZARDOUS WEATHER IS FORECAST FOR SOUTH CENTRAL TEXAS OR THE
TEXAS HILL COUNTRY TODAY OR TONIGHT.

SCATTERED SHOWERS ARE EXPECTED TODAY AND TONIGHT WITH RAINFALL
AMOUNTS AVERAGING NEAR A QUARTER OF AN INCH WITH ISOLATED AMOUNTS
OF 1 TO 2 INCHES.

ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER
SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET
WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX.  TIMELY DELIVERY OF DATA AND
PRODUCTS FROM THIS SERVER THROUGH THE INTERNET IS NOT GUARANTEED...
UNLIKE DATA AND PRODUCTS DELIVERED FROM OFFICIAL NATIONAL WEATHER
SERVICE SOURCES.

THE OFFICIAL SOURCE OF NATIONAL WEATHER SERVICE DATA AND PRODUCTS IS
THE NOAA WEATHER RADIO...NOAA WEATHER WIRE...FAMILY OF SERVICES
AND EMWIN.

THE VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...
OPERATES ON A FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
SOUTHWEST TEXAS    FROM MIDLAND            LBBSPSMAF...WWUS35 KMAF
CONCHO VALLEY      FROM SAN ANGELO         LBBSPSSJT...WWUS35 KSJT
NORTH TEXAS        FROM FORT WORTH         FTWSPSFTW...WWUS35 KFTW
SOUTHEAST TEXAS    FROM HOUSTON/GALVESTON  SATSPSHOU...WWUS35 KHOU
COASTAL BEND/      FROM CORPUS CHRISTI     SATSPSCRP...WWUS35 KCRP
RIO GRANDE PLAINS

Nearby

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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.