Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 130, NWS Austin/San Antonio, TX

June 5, 1997Maverick County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 1997, 7:46 PM CDT for Maverick County, Texas. It was in force for 59 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
Jun 5, 1997, 7:46 PM CDT (00:46 UTC)
Expired
Jun 5, 1997, 8:45 PM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 59 km from the middle of the area, began a volume at 00:49 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 nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.8 hours before the alert went out and 86 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 1997-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1526 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1997-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1526 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
2331 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
-45 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 060047
SVRSAT
TXC323-060145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
746 PM CDT THU JUN 5 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...MAVERICK COUNTY
 
AT 745 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN THE
VICINITY OF EAGLE PASS. MOVEMENT WAS SOUTH A 10 MPH. 1/4 INCH DIAMETER
HAIL HAS BEEN REPORTED WITH THIS STORM. THIS STORM IS CAPABLE OF
PRODUCING LARGE DAMAGING 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.

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

Local storm report, Jun 5, 3:27 PM CDT, 4 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
327 PM CDT THU JUN 05 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0305 PM                              TX   1 INCH HAIL
06/05/97   EDWARDS                        REPORTED AT THE
                                          INTERSECTION OF HWY 277 &
                                          55 (28NW ROCKSPRINGS)
Local storm report, Jun 5, 3:28 PM CDT, 4 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
327 PM CDT THU JUN 05 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0305 PM                              TX   1 INCH HAIL
06/05/97   EDWARDS                        REPORTED AT THE
                                          INTERSECTION OF HWY 277 &
                                          55 (28NW ROCKSPRINGS)
Local storm report, Jun 5, 3:42 PM CDT, 4 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
342 PM CDT THU JUN 05 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0305 PM                              TX   1 INCH HAIL
06/05/97   EDWARDS                        REPORTED AT THE
                                          INTERSECTION OF HWY 277 &
                                          55 (28NW ROCKSPRINGS)

0325 PM                              TX   .75 INCH HAIL
06/05/97   REAL                           REPORT RELAYED TO REAL
                                          SHERIFF FROM 4N OF LEAKY
Local storm report, Jun 5, 3:45 PM CDT, 4 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
342 PM CDT THU JUN 05 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0305 PM                              TX   1 INCH HAIL
06/05/97   EDWARDS                        REPORTED AT THE
                                          INTERSECTION OF HWY 277 &
                                          55 (28NW ROCKSPRINGS)4

0325 PM                              TX   .75 INCH HAIL
06/05/97   REAL                           REPORT RELAYED TO REAL
                                          SHERIFF FROM 4N OF LEAKY
Special weather statement, Jun 5, 5:12 PM CDT, 2 hours 34 minutes before
TXZ171>173-183>194-202>209-217>225-228-061015-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
513 PM CDT THU JUN 5 1997

SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING AND FRIDAY AFTERNOON
FOR THE HILL COUNTRY AND SOUTH CENTRAL TEXAS.

A WEAK FRONTAL BOUNDRY WAS LOCATED ACROSS SOUTH CENTRAL TEXAS THIS
EVENING PROVIDING THE FOCUS FOR THUNDERSTORM DEVELOPMENT.  THIS
BOUNDRY IN COMBINATION WITH AFTERNOON HEATING AND AN UNSTABLE
ATMOSPHERE ARE THE KEY FACTORS IN SEVERE THUNDERSTORM DEVELOPMENT.

THE THUNDERSTORMS THAT HAVE BECOME SEVERE THIS AFTERNOON OVER THE
HILL COUNTRY HAVE PRODUCED QUARTER SIZED HAIL ALONG WITH VERY HEAVY
RAINFALL.  THE POTENTIAL FOR LARGE HAIL...DAMAGING WINDS AND LOCALLY
HEAVY RAINFALL WILL CONTINUE THROUGH THE EVENING HOURS.  DUE TO WEAK
STEERING WINDS ALOFT...THE MOVEMENT OF THESE STORMS WILL BE ERRATIC
AT TIMES.  THE THUNDERSTORM ACTIVITY SHOULD BEGIN TO DIMINISH IN
STRENGTH A FEW HOURS AFTER SUNSET WITH THE LOSS OF AFTERNOON HEATING.

THIS WEATHER PATTERN IS POSSIBLE ONCE AGAIN FRIDAY AFTERNOON WITH THE
LOCATION OF SHOWER AND THUNDERSTORM DEVELOPMENT HIGHLY DEPENDENT ON
THE LOCATION OF THE WEAK FRONTAL BOUNDRY.

RAINFALL AMOUNTS THIS EVENING AND FRIDAY AFTERNOON WILL AVERAGE 1/4
TO 1/2 INCH WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WITH ISOLATED
1 AND 2 INCH AMOUNTS POSSIBLE.

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 UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST
HAZARDOUS WEATHER NO LONGER IS EXPECTED.
Special weather statement, Jun 5, 5:13 PM CDT, 2 hours 33 minutes before
TXZ171>173-183>194-202>209-217>225-228-061015-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
513 PM CDT THU JUN 5 1997

SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING AND FRIDAY AFTERNOON
FOR THE HILL COUNTRY AND SOUTH CENTRAL TEXAS.

A WEAK FRONTAL BOUNDRY WAS LOCATED ACROSS SOUTH CENTRAL TEXAS THIS
EVENING PROVIDING THE FOCUS FOR THUNDERSTORM DEVELOPMENT.  THIS
BOUNDRY IN COMBINATION WITH AFTERNOON HEATING AND AN UNSTABLE
ATMOSPHERE ARE THE KEY FACTORS IN SEVERE THUNDERSTORM DEVELOPMENT.

THE THUNDERSTORMS THAT HAVE BECOME SEVERE THIS AFTERNOON OVER THE
HILL COUNTRY HAVE PRODUCED QUARTER SIZED HAIL ALONG WITH VERY HEAVY
RAINFALL.  THE POTENTIAL FOR LARGE HAIL...DAMAGING WINDS AND LOCALLY
HEAVY RAINFALL WILL CONTINUE THROUGH THE EVENING HOURS.  DUE TO WEAK
STEERING WINDS ALOFT...THE MOVEMENT OF THESE STORMS WILL BE ERRATIC
AT TIMES.  THE THUNDERSTORM ACTIVITY SHOULD BEGIN TO DIMINISH IN
STRENGTH A FEW HOURS AFTER SUNSET WITH THE LOSS OF AFTERNOON HEATING.

THIS WEATHER PATTERN IS POSSIBLE ONCE AGAIN FRIDAY AFTERNOON WITH THE
LOCATION OF SHOWER AND THUNDERSTORM DEVELOPMENT HIGHLY DEPENDENT ON
THE LOCATION OF THE WEAK FRONTAL BOUNDRY.

RAINFALL AMOUNTS THIS EVENING AND FRIDAY AFTERNOON WILL AVERAGE 1/4
TO 1/2 INCH WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WITH ISOLATED
1 AND 2 INCH AMOUNTS POSSIBLE.

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 UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST
HAZARDOUS WEATHER NO LONGER IS EXPECTED.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 9:23 AM CDTFlash Flood WarningEWXBurnet2 hr
Jun 6, 11:15 AM CDTFlash Flood WarningEWXBurnet4 hr
Jun 6, 12:28 PM CDTFlash Flood WarningEWXEdwards2 hr
Jun 6, 12:28 PM CDTSevere Thunderstorm WarningEWXEdwards2 hr
Jun 6, 12:37 PM CDTSevere Thunderstorm WarningEWXZavala68 min
Jun 6, 1:39 PM CDTFlash Flood WarningEWXGillespie, Kerr3 hr
Jun 6, 1:50 PM CDTFlash Flood WarningEWXReal3 hr
Jun 6, 2:20 PM CDTFlash Flood WarningEWXEdwards3 hr
Jun 6, 2:43 PM CDTSevere Thunderstorm WarningEWXKinney62 min
Jun 6, 3:01 PM CDTFlash Flood WarningEWXKinney3 hr
Jun 6, 3:14 PM CDTFlash Flood WarningEWXDimmit, Zavala3 hr
Jun 6, 3:31 PM CDTFlash Flood WarningEWXBlanco, Kendall2 hr
Jun 6, 4:28 PM CDTFlash Flood WarningEWXHays, Travis2 hr
Jun 6, 4:53 PM CDTFlash Flood WarningEWXComal2 hr
Jun 6, 4:56 PM CDTFlash Flood WarningEWXLee2 hr
Jun 6, 5:09 PM CDTFlash Flood WarningEWXBastrop3 hr
Jun 6, 5:16 PM CDTFlash Flood WarningEWXBexar3 hr
Jun 6, 5:30 PM CDTFlash Flood WarningEWXGuadalupe2 hr
Jun 6, 5:34 PM CDTSevere Thunderstorm WarningEWXDimmit56 min
Jun 6, 5:36 PM CDTFlash Flood WarningEWXFayette2 hr
Jun 6, 5:58 PM CDTFlash Flood WarningEWXCaldwell3 hr
Jun 6, 6:30 PM CDTFlash Flood WarningEWXWilson2 hr
Jun 6, 6:37 PM CDTFlash Flood WarningEWXGonzales2 hr

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.