Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 162, NWS Austin/San Antonio, TX

October 1, 1998Bandera County, Medina County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 1, 1998, 11:14 PM CDT for Bandera County, Medina 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
Oct 1, 1998, 11:14 PM CDT (04:14 UTC)
Expired
Oct 2, 1998, 2:15 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bandera County, TX, Medina County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.2 hours before the alert went out and 162 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 1998-10-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2490 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 1998-10-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
2490 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.9
Supercell composite
7.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 020416
FFWSAT
TXC019-325-020715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1114 PM CDT THU OCT 1 1998

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

* FLASH FLOOD WARNING FOR...
  BANDERA COUNTY IN SOUTH CENTRAL TEXAS
  MEDINA COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 215 AM CDT

* FLASH FLOODING EXPECTED AROUND-
  SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN HAVE BEEN MOVING ACROSS
  WESTERN MEDINA AND BANDERA COUNTIES WITH RADAR INDICATING FROM 1
  TO   3 INCHES.  ABOUT 6 INCHES OF RAIN WAS REPORTED FROM NEAR
  UTOPIA FROM THE BANDERA SHERIFFS OFFICE.  MORE RAIN WAS
  DEVELOPING OVER WESTERN MEDINA COUNTY AND TRAINING INTO MEDINA
  COUNTY WITH ADDITIONAL 1 TO 3 INCHES OF RAIN POSSBILE DURING
  THE NEXT ONE TO TWO HOURS.

*

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


&

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, Oct 1, 6:00 PM CDT, 5 hours 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-021000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CDT THU OCT 1 1998

NO HAZARDOUS WEATHER IS EXPECTED TONIGHT OR FRIDAY ACROSS SOUTH
CENTRAL TEXAS AND THE TEXAS HILL COUNTRY.

WIDELY SCATTERED SHOWERS AND THUNERSTORMS TONIGHT AND FRIDAY WILL
PRODUCE SPOTTY RAINFALL AMOUNTS OF 1/4 TO 1/2 INCH.

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.

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 THE 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...
OPERATING 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, Oct 1, 6:00 PM CDT, 5 hours 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-021000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CDT THU OCT 1 1998

NO HAZARDOUS WEATHER IS EXPECTED TONIGHT OR FRIDAY ACROSS SOUTH
CENTRAL TEXAS AND THE TEXAS HILL COUNTRY.

WIDELY SCATTERED SHOWERS AND THUNERSTORMS TONIGHT AND FRIDAY WILL
PRODUCE SPOTTY RAINFALL AMOUNTS OF 1/4 TO 1/2 INCH.

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.

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 THE 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...
OPERATING 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

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 4:42 AM CDTFlash Flood WarningEWXKerr3 hr

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.