Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 138, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 12, 1997, 9:48 PM CDT for Val Verde County, Texas. It was in force for 57 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 12, 1997, 9:48 PM CDT (02:48 UTC)
- Expired
- Jun 12, 1997, 10:45 PM CDT
- In force
- 57 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 9:50 PM CDT | Thunderstorm Wind 59 | Del Rio Intl Arpt, 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
Del Rio, TX (KDRT), launched 00:00Z, 2.8 hours before the alert went out and 66 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
- 3324 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1600 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 9.5
The text
As transmitted, in the capitals the NWS used until 2016.
125 WUUS1 KSAT 130251 RRA SVRSAT TXC465-130345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 948 PM CDT THU JUN 12 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...VAL VERDE COUNTY DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM MOVING EAST AT 20 MPH TOWARD THE CITY OF DEL RIO AND THE SOUTHERN END OF LAKE AMISTAD. 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. 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. &
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 12, 5:45 PM CDT, 4 hours 3 minutes before
TXZ171>173-183>194-202>209-217>225-228-131100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 545 PM CDT THU JUN 12 1997 HAZARDOUS WEATHER IS NOT EXPECTED TONIGHT OR FRIDAY. ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE WEST OF A LINE FROM CARRIZO SPRINGS TO UVALDE TO ROCKSPRINGS AND NORTH OF A LINE FROM ROCKSPRINGS TO LLANO TO GEORGETOWN. THESE ARE DUE TO THE INTERACTION OF A DRYLINE IN WEST TEXAS AND A WEAK UPPER LEVEL DISTURBANCE MOVING ACROSS WESTERN AND NORTHERN TEXAS COMBINED WITH AMPLE MOISTURE. RAINFALL AMOUNTS WILL AVERAGE 1/10 INCH OR LESS WITH ISOLATED 1/4 INCH TOTALS POSSIBLE. FLOOD WARNINGS AND RIVER STATEMENTS REMAIN IN EFFECT FOR A FEW RIVERS AND CREEKS ACROSS SOUTH CENTRAL TEXAS FROM RAINS EARLIER THIS WEEK. 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, Jun 12, 5:45 PM CDT, 4 hours 3 minutes before
TXZ171>173-183>194-202>209-217>225-228-131100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 545 PM CDT THU JUN 12 1997 HAZARDOUS WEATHER IS NOT EXPECTED TONIGHT OR FRIDAY. ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE WEST OF A LINE FROM CARRIZO SPRINGS TO UVALDE TO ROCKSPRINGS AND NORTH OF A LINE FROM ROCKSPRINGS TO LLANO TO GEORGETOWN. THESE ARE DUE TO THE INTERACTION OF A DRYLINE IN WEST TEXAS AND A WEAK UPPER LEVEL DISTURBANCE MOVING ACROSS WESTERN AND NORTHERN TEXAS COMBINED WITH AMPLE MOISTURE. RAINFALL AMOUNTS WILL AVERAGE 1/10 INCH OR LESS WITH ISOLATED 1/4 INCH TOTALS POSSIBLE. FLOOD WARNINGS AND RIVER STATEMENTS REMAIN IN EFFECT FOR A FEW RIVERS AND CREEKS ACROSS SOUTH CENTRAL TEXAS FROM RAINS EARLIER THIS WEEK. 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 12, 10:00 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 60 min |
| Jun 13, 12:16 AM CDT | Severe Thunderstorm Warning | EWX | Frio, Zavala | 89 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.