Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 177, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 23, 1997, 8:29 AM CDT for Burnet County, Travis County, Williamson County, Texas. It was in force for 61 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
- Oct 23, 1997, 8:29 AM CDT (13:29 UTC)
- Expired
- Oct 23, 1997, 9:30 AM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Burnet County, TX, Travis County, TX, Williamson County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 1.5 hours before the alert went out and 255 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 231331 RRA SVRSAT TXC053-453-491-231430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 829 AM CDT THU OCT 23 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...SOUTHERN BURNET COUNTY...WESTERN TRAVIS COUNTY ...WESTERN WILLIAMSON COUNTY AT 829 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTH OF MARBLE FALLS. THE STORM WAS MOVING NORTRHEAST AT 50 MPH. IT WILL MOVE BETWEEN MARBLE FALLS AND SPICEWOOD WITHIN 10 MINUTES AND ACROSS WESTERN LAKE TRAVIS IN 15 MINUTES AND INTO LIBERTY HILL WITHIN 30 MINUTES. STONEWALL REPORTED DIME SIZE HAIL. 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 THUNDERSTORMS...FLOODING SMALL STREAMS...LOW AREAS...AND LOW WATER CROSSINGS. IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE. &
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, Oct 23, 5:41 AM CDT, 2 hours 48 minutes before
TXZ171>173-183>194-202>209-217>225-228-232300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT THU OCT 23 1997 THERE IS A SLIGHT RISK OF SEVERE WEATHER TODAY GENERALLY EAST OF A LINE FROM BURNET TO SAN ANTONIO TO KARNES CITY. THERE IS A MODERATE RISK OF SEVERE WEATHER GENERALLY EAST OF A LINE FROM GEORGETOWN TO AUSTIN TO SAN MARCOS TO HALLETTSVILLE TODAY. A STRONG UPPER AIR DISTURBANCE IS FORECAST TO MOVE ACROSS CENTRAL TEXAS INTO NORTH TEXAS THIS AFTERNOON AS VERY MOIST AND UNSTABLE AIR FEEDS INTO SOUTH CENTRAL TEXAS FROM THE GULF OF MEXICO. STRONG DAMAGING WINDS...LARGE HAIL...AND EVEN ISOLATED TORNADOES ARE POSSIBLE WITH THE DEVELOPING THUNDERSTORMS ACROSS MAINLY THE NORTHEAST AND EASTERN SECTIONS OF SOUTH CENTRAL TEXAS TODAY. THE THREAT OF SEVERE WEATHER WILL END BY THE EVENING HOURS AS THE STRONG DISTURBANCE MOVES INTO EAST TEXAS AND MORE STABLE AIR MOVES IN FROM THE WEST. RAINFALL FROM THE SCATTERED SHOWERS AND THUNDERSTORMS TODAY WILL AVERAGE 1/4 TO 1/2 INCH WITH AMOUNTS OF 1 TO 2 INCHES POSSIBLE. NO SIGNIFICANT RAIN IS EXPECTED TONIGHT. 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.
Special weather statement, Oct 23, 6:00 AM CDT, 2 hours 29 minutes before
TXZ171>173-183>194-202>209-217>225-228-232300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT THU OCT 23 1997 THERE IS A SLIGHT RISK OF SEVERE WEATHER TODAY GENERALLY EAST OF A LINE FROM BURNET TO SAN ANTONIO TO KARNES CITY. THERE IS A MODERATE RISK OF SEVERE WEATHER GENERALLY EAST OF A LINE FROM GEORGETOWN TO AUSTIN TO SAN MARCOS TO HALLETTSVILLE TODAY. A STRONG UPPER AIR DISTURBANCE IS FORECAST TO MOVE ACROSS CENTRAL TEXAS INTO NORTH TEXAS THIS AFTERNOON AS VERY MOIST AND UNSTABLE AIR FEEDS INTO SOUTH CENTRAL TEXAS FROM THE GULF OF MEXICO. STRONG DAMAGING WINDS...LARGE HAIL...AND EVEN ISOLATED TORNADOES ARE POSSIBLE WITH THE DEVELOPING THUNDERSTORMS ACROSS MAINLY THE NORTHEAST AND EASTERN SECTIONS OF SOUTH CENTRAL TEXAS TODAY. THE THREAT OF SEVERE WEATHER WILL END BY THE EVENING HOURS AS THE STRONG DISTURBANCE MOVES INTO EAST TEXAS AND MORE STABLE AIR MOVES IN FROM THE WEST. RAINFALL FROM THE SCATTERED SHOWERS AND THUNDERSTORMS TODAY WILL AVERAGE 1/4 TO 1/2 INCH WITH AMOUNTS OF 1 TO 2 INCHES POSSIBLE. NO SIGNIFICANT RAIN IS EXPECTED TONIGHT. 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.
Local storm report, Oct 23, 8:05 AM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
805 AM CDT FRI OCT 23 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 AM KERRVILLE TX 2 1/4 INCH HAIL
10/23/97 KERR PILOT REPORT...ON GROUND
SOUTHEAST OF KERRVILLE.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 7:43 AM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie | 62 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.