Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 116, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 30, 1997, 10:20 PM CDT for Kendall County, Texas. It was in force for 55 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
- May 30, 1997, 10:20 PM CDT (03:20 UTC)
- Expired
- May 30, 1997, 11:15 PM CDT
- In force
- 55 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Kendall County, TX
The radar
The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 03:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 30, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 3.3 hours before the alert went out and 215 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
- 3508 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1339 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 16.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 310320 RRA SVRSAT TXC259-310415- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1020 PM CDT FRI MAY 30 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...KENDALL COUNTY AT 1015 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO NORTHEASTERN KENDALL COUNTY TOWARDS SISTERDALE. THIS STORM WAS MOVING TOWARDS THE SOUTH-SOUTHWEST AT 30 MPH AND WILL APPROACH SISTERDALE WITHIN 45 MINUTES. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES... SOMETIMES BUILDINGS. VERY LARGE HAIL CAN INJURE ANYONE CAUGHT OUTSIDE. 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, May 30, 5:59 PM CDT, 4 hours 21 minutes before
TXZ171>173-183>194-202>209-217>225-228-311100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT FRI MAY 30 1997 THERE IS A RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF THE HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS TONIGHT. THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP AND BUILD SOUTHWARD ACROSS THE RISK AREA TONIGHT AND EARLY SATURDAY MORNING. LARGE HAIL... DAMAGING WINDS...BRIEF HEAVY RAINS..FREQUENT LIGHTNING AND ISOLATED TORNADOES ARE POSSIBLE WITH SOME OF THESE THUNDERSTORMS. THE AIRMASS ACROSS SOUTH CENTRAL TEXAS REMAINS MOIST AND HIGHLY UNSTABLE. OUTFLOW FROM DEVELOPING THUNDERSTORMS COULD LIKELY RESULT IN A RAPID DEVELOPMENT OF FURTHER STORMS ALONG THE OUTFLOW WHICH IN THIS AIRMASS..COULD REACH SEVERE LIMITS RATHER QUICKLY. RAINFALL AMOUNTS FROM THE SCATTERED SHOWERS AND THUNDERSTORMS TONIGHT WILL RESULT IN AVERAGE AMOUNTS BETWEEN A QUARTER AND ONE HALF INCH WITH BRIEF HEAVY RAINS OF 1 TO 2 INCHES POSSIBLE IN SOME OF THE STRONGER THUNDERSTORMS. THE THREAT OF SEVERE WEATHER SHOULD END ACROSS SOUTH CENTRAL TEXAS SATURDAY AS AN UPPER LEVEL RIDGE BUILDS OVER THE AREA. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILLB BE UPDATED BY MEANS OF THE ZONE FORECASTS..SHORT TERM FORECASTS..WATCHES..WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNFORECAST WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHER NO LONGER IS EXPECTED.
Special weather statement, May 30, 6:00 PM CDT, 4 hours 20 minutes before
TXZ171>173-183>194-202>209-217>225-228-311100- HAZARDOUS WEATHER OUTLOOK...CORRECTION FOR HEADING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT FRI MAY 30 1997 THERE IS A RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF THE HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS TONIGHT. THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP AND BUILD SOUTHWARD ACROSS THE RISK AREA TONIGHT AND EARLY SATURDAY MORNING. LARGE HAIL... DAMAGING WINDS...BRIEF HEAVY RAINS..FREQUENT LIGHTNING AND ISOLATED TORNADOES ARE POSSIBLE WITH SOME OF THESE THUNDERSTORMS. THE AIRMASS ACROSS SOUTH CENTRAL TEXAS REMAINS MOIST AND HIGHLY UNSTABLE. OUTFLOW FROM DEVELOPING THUNDERSTORMS COULD LIKELY RESULT IN A RAPID DEVELOPMENT OF FURTHER STORMS ALONG THE OUTFLOW WHICH IN THIS AIRMASS..COULD REACH SEVERE LIMITS RATHER QUICKLY. RAINFALL AMOUNTS FROM THE SCATTERED SHOWERS AND THUNDERSTORMS TONIGHT WILL RESULT IN AVERAGE AMOUNTS BETWEEN A QUARTER AND ONE HALF INCH WITH BRIEF HEAVY RAINS OF 1 TO 2 INCHES POSSIBLE IN SOME OF THE STRONGER THUNDERSTORMS. THE THREAT OF SEVERE WEATHER SHOULD END ACROSS SOUTH CENTRAL TEXAS SATURDAY AS AN UPPER LEVEL RIDGE BUILDS OVER THE AREA. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS..SHORT TERM FORECASTS..WATCHES..WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNFORECAST WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHER NO LONGER IS EXPECTED.
Special weather statement, May 30, 6:00 PM CDT, 4 hours 20 minutes before
TXZ171>173-183>194-202>209-217>225-228-311100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT FRI MAY 30 1997 THERE IS A RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF THE HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS TONIGHT. THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP AND BUILD SOUTHWARD ACROSS THE RISK AREA TONIGHT AND EARLY SATURDAY MORNING. LARGE HAIL... DAMAGING WINDS...BRIEF HEAVY RAINS..FREQUENT LIGHTNING AND ISOLATED TORNADOES ARE POSSIBLE WITH SOME OF THESE THUNDERSTORMS. THE AIRMASS ACROSS SOUTH CENTRAL TEXAS REMAINS MOIST AND HIGHLY UNSTABLE. OUTFLOW FROM DEVELOPING THUNDERSTORMS COULD LIKELY RESULT IN A RAPID DEVELOPMENT OF FURTHER STORMS ALONG THE OUTFLOW WHICH IN THIS AIRMASS..COULD REACH SEVERE LIMITS RATHER QUICKLY. RAINFALL AMOUNTS FROM THE SCATTERED SHOWERS AND THUNDERSTORMS TONIGHT WILL RESULT IN AVERAGE AMOUNTS BETWEEN A QUARTER AND ONE HALF INCH WITH BRIEF HEAVY RAINS OF 1 TO 2 INCHES POSSIBLE IN SOME OF THE STRONGER THUNDERSTORMS. THE THREAT OF SEVERE WEATHER SHOULD END ACROSS SOUTH CENTRAL TEXAS SATURDAY AS AN UPPER LEVEL RIDGE BUILDS OVER THE AREA. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS..SHORT TERM FORECASTS..WATCHES..WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNFORECAST WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHER NO LONGER IS EXPECTED.
Special weather statement, May 30, 6:02 PM CDT, 4 hours 18 minutes before
TXZ171>173-183>194-202>209-217>225-228-311100- HAZARDOUS WEATHER OUTLOOK...CORRECTION FOR HEADING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT FRI MAY 30 1997 THERE IS A RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF THE HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS TONIGHT. THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP AND BUILD SOUTHWARD ACROSS THE RISK AREA TONIGHT AND EARLY SATURDAY MORNING. LARGE HAIL... DAMAGING WINDS...BRIEF HEAVY RAINS..FREQUENT LIGHTNING AND ISOLATED TORNADOES ARE POSSIBLE WITH SOME OF THESE THUNDERSTORMS. THE AIRMASS ACROSS SOUTH CENTRAL TEXAS REMAINS MOIST AND HIGHLY UNSTABLE. OUTFLOW FROM DEVELOPING THUNDERSTORMS COULD LIKELY RESULT IN A RAPID DEVELOPMENT OF FURTHER STORMS ALONG THE OUTFLOW WHICH IN THIS AIRMASS..COULD REACH SEVERE LIMITS RATHER QUICKLY. RAINFALL AMOUNTS FROM THE SCATTERED SHOWERS AND THUNDERSTORMS TONIGHT WILL RESULT IN AVERAGE AMOUNTS BETWEEN A QUARTER AND ONE HALF INCH WITH BRIEF HEAVY RAINS OF 1 TO 2 INCHES POSSIBLE IN SOME OF THE STRONGER THUNDERSTORMS. THE THREAT OF SEVERE WEATHER SHOULD END ACROSS SOUTH CENTRAL TEXAS SATURDAY AS AN UPPER LEVEL RIDGE BUILDS OVER THE AREA. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS..SHORT TERM FORECASTS..WATCHES..WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNFORECAST WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHHER NO LONGER IS EXPECTED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:57 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 63 min |
| May 30, 9:13 PM CDT | Severe Thunderstorm Warning | EWX | Blanco | 62 min |
| May 30, 11:27 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 63 min |
| May 31, 3:01 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 59 min |
| May 31, 4:15 AM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 30 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; radar from the NEXRAD Level II archive.