Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 154, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 17, 1997, 9:19 AM CDT for Bastrop County, Caldwell County, Texas. It was in force for 56 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 17, 1997, 9:19 AM CDT (14:19 UTC)
- Expired
- Jun 17, 1997, 10:15 AM CDT
- In force
- 56 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bastrop County, TX, Caldwell County, TX
The radar
The Austin/San Antonio radar (KEWX), 62 km from the middle of the area, began a volume at 14:21 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 17, 10:00 AM CDT | Hail 1.25 | Bateman, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 2.3 hours before the alert went out and 249 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 171420 RRA SVRSAT TXC021-055-171515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 919 AM CDT TUE JUN 17 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...BASTROP COUNTY...CALDWELL COUNTY AT 920 AM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTHERN CALDWELL COUNTY NEAR LOCKHART. THIS STORM WAS MOVING EAST AT 25 MPH AND WILL AFFECT THE TOWN OF RED ROCK IN WESTERN BASTROP COUNTY WITHIN THE NEXT HALF HOUR. 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. 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, Jun 17, 4:36 AM CDT, 4 hours 43 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 27 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 4:25 AM CDT | Severe Thunderstorm Warning | EWX | Travis | 65 min |
| Jun 17, 5:04 AM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
| Jun 17, 9:47 AM CDT | Severe Thunderstorm Warning | EWX | Fayette | 58 min |
| Jun 17, 6:48 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.