Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 155, NWS Austin/San Antonio, TX

June 17, 1997Fayette County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 17, 1997, 9:47 AM CDT for Fayette County, Texas. It was in force for 58 min. 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 17, 1997, 9:47 AM CDT (14:47 UTC)
Expired
Jun 17, 1997, 10:45 AM CDT
In force
58 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Fayette County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 2.8 hours before the alert went out and 242 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 1997-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2899 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 12:00Z on 1997-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
2899 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
1.0
Supercell composite
8.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 171448 RRA
SVRSAT
TXC149-171545-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
947 AM CDT TUE JUN 17 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...FAYETTE COUNTY
 
RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHERN FAYETTE COUNTY MOVING
EAST AT 15 MPH. A FUNNEL CLOUD WAS REPORTED IN THIS STORM EARLIER.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTOXRMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
 
 
 
&

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jun 17, 4:36 AM CDT, 5 hours 11 minutes before
TXZ171>173-183>194-202>209-217>225-228-180000-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
437 AM CDT TUE JUN 17 1997

A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT ALONG AND
EAST OF A LINE FROM GEORGETOWN TO BOERNE TO PEARSALL TO VICTORIA.
THIS WATCH INCLUDES THE CITIES NAMED ABOVE AS WELL AS THE AUSTIN AND
SAN ANTONIO METROPOLITAN AREAS.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS FORMING OVER SOUTH
CENTRAL TEXAS WILL BRING A THREAT OF SEVERE WEATHER IN THE FORM OF
DAMAGING WINDS...LARGE HAIL...AND POSSIBLE FLASH FLOODING.

AN UPPER LEVEL LOW MOVING EASTWARD ACROSS NORTH TEXAS WILL ASSIST IN
PRODUCING THE THUNDERSTORMS IN THE VERY MOIST AND UNSTABLE AIRMASS
OVER SOUTH TEXAS THIS MORNING.  RAINFALL AMOUNTS WILL AVERAGE FROM
ONE QUARTER TO ONE HALF INCH...WITH ISOLATED TOTALS OF 3 TO 4 INCHES
POSSIBLE.  DUE TO SATURATED SOILS OVER MUCH OF SOUTH CENTRAL TEXAS...
FLASH FLOODING COULD DEVELOP VERY QUICKLY IN POORLY DRAINED AREAS AND
OVER LOW WATER CROSSINGS.  THIS WILL ALSO BRING ADDITIONAL FLOW TO
AREA RIVERS...POSSIBLY CAUSING FURTHER FLOODING.  SOME OF THE
THUNDERSTORMS DEVELOPING THIS MORNING THROUGH THIS EVENING COULD ALSO
BE SEVERE...PRODUCING LARGE HAIL AND DAMAGING WINDS.

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

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHRES...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.
Special weather statement, Jun 17, 5:52 AM CDT, 3 hours 55 minutes before
TXZ171>173-183>194-202>209-217>225-228-180000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
552 AM CDT TUE JUN 17 1997

A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT ALONG AND
EAST OF A LINE FROM GEORGETOWN TO BOERNE TO PEARSALL TO VICTORIA.
THIS WATCH INCLUDES THE CITIES NAMED ABOVE AS WELL AS THE AUSTIN AND
SAN ANTONIO METROPOLITAN AREAS.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS FORMING OVER SOUTH
CENTRAL TEXAS WILL BRING A THREAT OF SEVERE WEATHER IN THE FORM OF
DAMAGING WINDS...LARGE HAIL...AND POSSIBLE FLASH FLOODING.

AN UPPER LEVEL LOW MOVING EASTWARD ACROSS NORTH TEXAS WILL ASSIST IN
PRODUCING THE THUNDERSTORMS IN THE VERY MOIST AND UNSTABLE AIRMASS
OVER SOUTH TEXAS THIS MORNING.  RAINFALL AMOUNTS WILL AVERAGE FROM
ONE QUARTER TO ONE HALF INCH...WITH ISOLATED TOTALS OF 3 TO 4 INCHES
POSSIBLE.  DUE TO SATURATED SOILS OVER MUCH OF SOUTH CENTRAL TEXAS...
FLASH FLOODING COULD DEVELOP VERY QUICKLY IN POORLY DRAINED AREAS AND
OVER LOW WATER CROSSINGS.  THIS WILL ALSO BRING ADDITIONAL FLOW TO
AREA RIVERS...POSSIBLY CAUSING FURTHER FLOODING.  SOME OF THE
THUNDERSTORMS DEVELOPING THIS MORNING THROUGH THIS EVENING COULD ALSO
BE SEVERE...PRODUCING LARGE HAIL AND DAMAGING WINDS.

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

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 4:25 AM CDTSevere Thunderstorm WarningEWXTravis65 min
Jun 17, 5:04 AM CDTFlash Flood WarningEWXTravis3 hr
Jun 17, 9:19 AM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell56 min
Jun 17, 6:48 PM CDTSevere Thunderstorm WarningEWXDeWitt57 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.