Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 123, NWS Austin/San Antonio, TX

June 5, 1997Bandera County, Real County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 1997, 2:39 PM CDT for Bandera County, Real County, Texas. It was in force for 66 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 5, 1997, 2:39 PM CDT (19:39 UTC)
Expired: Jun 5, 1997, 3:45 PM CDT
In force: 66 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

Counties Bandera County, TX, Real County, TX

The radar

The Laughlin AFB radar (KDFX), 92 km from the middle of the area, began a volume at 19:41 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 5, 3:25 PM CDT	Hail 0.75	Leakey, 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 12:00Z, 7.7 hours before the alert went out and 135 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 819 J/kg
Mixed-layer CIN: -223 J/kg
Mixed-layer LCL: 1545 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 051940 RRA
SVRSAT
TXC019-385-052045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
239 PM CDT THU JUN 5 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...BANDERA COUNTY...REAL COUNTY
 
AT 238 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS 10 MILES
SOUTHWEST OF MEDINA...5 MILES NORTHWEST OF VANDERPOOL AND 14 MILES
NORTHWEST OF LEAKEY. THE STORMS WERE MOVING SOUTH AT 5 TO 10 MPH.
 
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 YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO
THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE
NATIONAL WEATHER SERVICE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 8:56 PM CDT	Severe Thunderstorm Warning	EWX	Bexar	49 min
Jun 5, 2:28 AM CDT	Severe Thunderstorm Warning	EWX	Travis	62 min
Jun 5, 4:31 AM CDT	Severe Thunderstorm Warning	EWX	Gonzales	59 min
Jun 5, 2:52 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	68 min
Jun 5, 3:34 PM CDT	Severe Thunderstorm Warning	EWX	Kerr	56 min
Jun 5, 3:45 PM CDT	Severe Thunderstorm Warning	EWX	Real	60 min
Jun 5, 3:56 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Uvalde	64 min
Jun 5, 4:32 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	58 min
Jun 5, 4:40 PM CDT	Severe Thunderstorm Warning	EWX	Real	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997 Every 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.