Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 153, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 17, 1997, 4:25 AM CDT for Travis County, Texas. It was in force for 65 min. 3 reports 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, 4:25 AM CDT (09:25 UTC)
- Expired
- Jun 17, 1997, 5:30 AM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Travis County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 17, 5:10 AM CDT | Hail 1.75 | Austin, TX | |
| Jun 17, 5:15 AM CDT | Hail 1.75 | Austin, TX | |
| Jun 17, 5:20 AM CDT | Hail 1 | Austin, 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
Fort Worth, TX (KFWD), launched 00:00Z, 9.4 hours before the alert went out and 281 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
- 5256 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 170926 RRA SVRSAT TXC453-171030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 425 AM CDT TUE JUN 17 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...TRAVIS COUNTY AT 423 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR LAKEWAY IN SOUTHWEST TRAVIS COUNTY. THE STORM WAS MOVING EAST AT 20 MPH AND WILL MOVE ACROSS SOUTH AUSTIN WITHIN THE NEXT HOUR. GOLF BALL SIZE HAIL IS POSSIBLE WITH THIS STORM ALONG WITH GUSTY WINDS AND RAINFALL APPROACHING 2 INCHES PER 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...FLOODING SMALL STREAMS...LOW AREAS...AND LOW WATER CROSSINGS. IF DYOU 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 16, 11:55 PM CDT, 4 hours 30 minutes before
TXZ171>173-183>194-202>209-217>225-228-170745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1155 PM CDT MON JUN 16 1997 ...SEVERE THUNDERSTORM WATCH FOR THE HILL COUNTRY AND PORTIONS OF SOUTHWEST TEXAS UNTIL 4 AM... ...FLASH FLOOD WATCH IN EFFECT UNTIL NOON ON TUESDAY... COUNTIES IN THE SEVERE THUNDERSTORM WATCH INCLUDE BANDERA...BLANCO... BURNET...EDWARDS...GILLESPIE...KENDALL...KERR...LLANO...REAL AND VAL VERDE. THE FLASH FLOOD WATCH INCLUDES ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY AND IS IN EFFECT UNTIL NOON. AN APPROACHING COLD FRONT WILL TRIGGER STRONG TO SEVERE THUNDERSTORMS AS IT MOVES SOUTHEASTWARD THROUGH THE HILL COUNTRY AND SOUTHWEST TEXAS DURING THE EARLY MORNING HOURS. THE GREATEST THREAT WILL BE FROM DAMAGING WINDS...ALTHOUGH LARGE HAIL WILL CERTAINLY BE POSSIBLE WITH THE STRONGEST OF THE STORMS. ALTHOUGH A TORNADO WATCH IS NOT IN EFFECT...SEVERE THUNDERSTORMS OCCASIONALLY DO PRODUCE TORNADOES. STAY TUNED TO TV...RADIO OR NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE WARNINGS AS THESE STORMS DEVELOP.
Special weather statement, Jun 16, 11:57 PM CDT, 4 hours 28 minutes before
TXZ171>173-183>194-202>209-217>225-228-170745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1155 PM CDT MON JUN 16 1997 ...SEVERE THUNDERSTORM WATCH FOR THE HILL COUNTRY AND PORTIONS OF SOUTHWEST TEXAS UNTIL 4 AM... ...FLASH FLOOD WATCH IN EFFECT UNTIL NOON ON TUESDAY... COUNTIES IN THE SEVERE THUNDERSTORM WATCH INCLUDE BANDERA...BLANCO... BURNET...EDWARDS...GILLESPIE...KENDALL...KERR...LLANO...REAL AND VAL VERDE. THE FLASH FLOOD WATCH INCLUDES ALL OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY AND IS IN EFFECT UNTIL NOON. AN APPROACHING COLD FRONT WILL TRIGGER STRONG TO SEVERE THUNDERSTORMS AS IT MOVES SOUTHEASTWARD THROUGH THE HILL COUNTRY AND SOUTHWEST TEXAS DURING THE EARLY MORNING HOURS. THE GREATEST THREAT WILL BE FROM DAMAGING WINDS...ALTHOUGH LARGE HAIL WILL CERTAINLY BE POSSIBLE WITH THE STRONGEST OF THE STORMS. ALTHOUGH A TORNADO WATCH IS NOT IN EFFECT...SEVERE THUNDERSTORMS OCCASIONALLY DO PRODUCE TORNADOES. STAY TUNED TO TV...RADIO OR NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE WARNINGS AS THESE STORMS 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, 5:04 AM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
| Jun 17, 9:19 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 56 min |
| 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.