Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 71, NWS Corpus Christi, TX

June 17, 1997Victoria County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Jun 17, 1997, 4:44 PM CDT for Victoria County, Texas. It was in force for 61 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 17, 1997, 4:44 PM CDT (21:44 UTC)
Expired: Jun 17, 1997, 5:45 PM CDT
In force: 61 min
Issued by: NWS Corpus Christi, TX
Area: Whole counties

County Victoria County, TX

The radar

The Corpus Christi radar (KCRP), 124 km from the middle of the area, began a volume at 21:44 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 17, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 9.7 hours before the alert went out and 124 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: 2899 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRP 172146 RRA
SVRCRP
TXC469-172245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
444 PM CDT TUE JUN 17 1997
 
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN SOUTH CENTRAL TEXAS
 
   ...VICTORIA COUNTY
 
AT 445 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED
4 MILES NORTHEAST OF PLACEDO ALONG HIGHWAY 616. THIS STORM IS
MOVING EAST-NORTHEAST AT 10 TO 15 MPH AND WILL CROSS HIGHWAY 616
DURING THE NEXT 20 MINUTES.  THIS STORM HAS A HISTORY OF PRODUCING
FUNNEL CLOUDS.  THE STORM MAY BUILD WESTWARD INTO THE CITY OF
VICTORIA DURING THE NEXT 30 MINUTES.  PERSONS IN THE PATH OF
THIS STORM SHOULD TAKE COVER.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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.

NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 2:40 PM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, Jun 17, 2:40 PM CDT, 2 hours 4 minutes before

COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
240 PM CDT TUE JUN 17 1997

VERY UNSTABLE AIRMASS WITH MODIFIED SOUNDING PRODUCING A CAPE OF
NEAR 6500...LI OF -12 AND CAP OF 1.0. THIS UNSTABLE AIRMASS WILL
KEEP TSRA GOING WELL INTO TONIGHT.  TSRA WILL SLIDE INTO THE VCT
AREA BY 4 PM AND CONTINUE TO SLIDE SOUTHWARD HOWEVER AT THE SAME
TIME OTHER SCATTERED STRONG TSRA WILL BUILD FURTHER TO THE WEST.
WITH THIS TYPE UNSTABLE ENVIROMENT..SEVERE STORMS POSSIBLE ALONG
WITH FLASH FLOODING FOR VCT ZONES SO WILL KEEP WATCH UP TONIGHT.
AFTER TONIGHT MAIN UPPER LOW PUSHES NORTHEAST TO THE OHIO VALLEY
HOWEVER WEAK SFC TROUGH REMAINS IN THE AREA ALONG WITH MESOSCALE
BOUNDRIES FROM TODAYS STORMS...WILL NEED TO KEEP LOW POPS IN THE
ZONES THE NEXT FEW DAYS.

DUE TO THE HIGH TEMPS AND DEWPOINTS...HEAT ADVISORY IS IN EFFECT
THIS AFTERNOON FOR CENTRAL AND EASTERN PARTS OF SOUTH TEXAS.

ZONES...
VCT  076/094 077/095  4322
CRP  076/095 076/095 3222  NGP  080/090 080/090  UPPER 90S INLAND
A FEW POSSIBLY SEVERE
LRD  077/101 077/101 3121  SOME POSSIBLY SEVERE

LUNA...0074

In the hours before

Special weather statement, Jun 17, 10:45 AM CDT, 5 hours 59 minutes before

TXZ229>234-239>247-512-171945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1043 AM CDT TUE JUN 17 1997

...SEVERE THUNDERSTORM WATCH UNTIL 4 PM FOR BEE...CALHOUN...GOLIAD...
REFUGIO AND VICTORIA COUNTIES...

THE STORM PREDICTION CENTER HAS PLACED THE EASTERN PORTIONS OF THE
COASTAL BEND IN A SEVERE THUNDERSTORM WATCH UNTIL 4 PM.  A LINE OF
SEVERE THUNDERSTORMS JUST EAST OF SAN ANTONIO TO HOUSTON WILL MOVE
SOUTHEAST AND MAY AFFECT THE COUNTIES IN OR NEAR TO THE WATCH.

THE STORMS COULD PRODUCE LARGE HAIL...DAMAGING THUNDERSTORM WINDS
LOCALLY HEAVY RAINFALL AND DANGEROUS LIGHTNING.

AT THIS TIME THE SEVERE THUNDERSTORM WATCH DOES NOT INCLUDE THE
CORPUS CHRISTI AND LAREDO METROPOLITAN AREAS. THE STORMS COULD BACK
BUILD INTO THE CENTRAL AND WESTERN SECTIONS OF SOUTH TEXAS THIS
AFTERNOON.  ISOLATED SEVERE WEATHER IS POSSIBLE FOR COUNTIES OUTSIDE
THE WATCH AREA.  DUE TO THE ALREADY SATURATED GROUND AREA WIDE
LOCALLY HEAVY RAINFALL WOULD CREATE FLOODING OF LOW-WATER CROSSINGS
IN A SHORT AMOUNT OF TIME.

LOCAL STORM SPOTTERS AND EMERGENCY MANAGERS FROM LAREDO TO CORPUS
CHRISTI AND VICTORIA SHOULD REMAIN AWARE OF THE LATEST WEATHER
INFORMATION TODAY AND BE <PREPARED FOR POSSIBLE ACTIVATION.

LUNA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 3:37 PM CDT	Severe Thunderstorm Warning	CRP	Live Oak	53 min
Jun 17, 4:19 PM CDT	Severe Thunderstorm Warning	CRP	Bee, Live Oak	56 min
Jun 17, 5:18 PM CDT	Severe Thunderstorm Warning	CRP	Bee	57 min
Jun 17, 5:24 PM CDT	Severe Thunderstorm Warning	CRP	Jim Wells	66 min
Jun 17, 5:45 PM CDT	Tornado Warning	CRP	Nueces	45 min
Jun 17, 6:29 PM CDT	Tornado Warning	CRP	Nueces	31 min
Jun 17, 6:39 PM CDT	Severe Thunderstorm Warning	CRP	Live Oak	36 min
Jun 17, 6:51 PM CDT	Severe Thunderstorm Warning	CRP	Goliad	39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.