Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 21, NWS Corpus Christi, TX

April 4, 1997Goliad County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 4, 1997, 11:10 PM CST for Goliad County, Texas. It was in force for 65 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: Apr 4, 1997, 11:10 PM CST (05:10 UTC)
Expired: Apr 5, 1997, 12:15 AM CST
In force: 65 min
Issued by: NWS Corpus Christi, TX
Area: Whole counties

County Goliad County, TX

The radar

The Corpus Christi radar (KCRP), 97 km from the middle of the area, began a volume at 05:14 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
Apr 4, 11:30 PM CST	Hail 1.75	Weesatche, TX	Sheriff report of golfball sized hail.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 4, 9:15 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 5.2 hours before the alert went out and 103 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: 3317 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 663 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 10.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRP 050509 RRA
SVRCRP
TXC175-050615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1110 PM CST FRI APR 4 1997
 
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN SOUTH CENTRAL TEXAS
 
   ...GOLIAD COUNTY
 
AT 1105 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 10
MILES WEST OF BERCLAIR. THIS STORM IS MOVING TO THE NORTHEAST AT 50 MPH
AND WILL AFFECT THE TOWN OF BERCLAIR...CHARCO AND AREAS OF
GOLIAD COUNTY ALONG AND NORTH OF HIGHWAY 59 THROUGH 12 MIDNIGHT.
 
GOLF BALL SIZE HAIL AND WINDS TO 70 MPH ARE LIKELY WITH
THIS STORM.  PERSONS IN THE PATH OF THIS DANGEROUS STORM MUST
TAKE COVER IMMEDIATELY.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD~ MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 4, 8:30 PM CST	Severe Thunderstorm Warning	CRP	Webb	60 min
Apr 4, 8:53 PM CST	Tornado Warning	CRP	Webb	37 min
Apr 4, 9:25 PM CST	Tornado Warning	CRP	Webb	35 min
Apr 4, 9:26 PM CST	Severe Thunderstorm Warning	CRP	La Salle	64 min
Apr 4, 9:39 PM CST	Tornado Warning	CRP	Duval	51 min
Apr 4, 10:26 PM CST	Severe Thunderstorm Warning	CRP	Live Oak	49 min
Apr 4, 10:40 PM CST	Tornado Warning	CRP	Bee, Live Oak	50 min
Apr 4, 11:25 PM CST	Tornado Warning	CRP	San Patricio	65 min
Apr 4, 11:31 PM CST	Severe Thunderstorm Warning	CRP	Victoria	44 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.