Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 23, NWS Corpus Christi, TX

May 17, 2002La Salle County, Webb County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 17, 2002, 7:16 PM CDT for La Salle County, Webb County, Texas. It was in force for 89 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
May 17, 2002, 7:16 PM CDT (00:16 UTC)
Expired
May 17, 2002, 8:45 PM CDT
In force
89 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties

Counties La Salle County, TX, Webb County, TX

The radar

The Corpus Christi radar (KCRP), 170 km from the middle of the area, began a volume at 00:19 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.

IssuedProductOfficeLasted
May 17, 5:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.3 hours before the alert went out and 188 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, Corpus Christi, TX at 00:00Z on 2002-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3763 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, Corpus Christi, TX at 00:00Z on 2002-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
3763 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.9

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KCRP 180016
SVRCRP
TXC283-479-180145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
712 PM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LA SALLE COUNTY IN TEXAS
  WEBB COUNTY IN TEXAS

* UNTIL 845 PM CDT

* AT 712 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTH OF AGUILARES...OR ABOUT 25 
  MILES SOUTHEAST OF LAREDO...MOVING NORTHEAST AT 20 MPH.  OTHER
  THUNDERSTORMS WERE DEVELOPING IN EASTERN LASALLE COUNTY AND THESE
  ARE EXPECTED TO BECOME SEVERE BY 730 PM CDT. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  4 MILES SOUTHEAST OF AGUILARES AROUND 725 PM CDT...
  5 MILES NORTHWEST OF MIRANDO CITY AROUND 720 PM CDT...
  4 MILES NORTHWEST OF OILTON AROUND 720 PM CDT...
  9 MILES NORTHWEST OF BRUNI AROUND 720 PM CDT...

THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING...
  HAIL UP TO THE SIZE OF NICKELS...
  WINDS UP TO 60 MILES AN HOUR...
  VERY HEAVY RAINFALL WHICH MAY CAUSE LOCALIZED FLOODING...

RESIDENTS SHOULD SEEK STURDY SHELTER IMMEDIATELY.  MOTORISTS SHOULD
PULL TO THE SIDE OF THE ROAD AND WAIT UNTIL THE STORM HAS PASSED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR TEXAS.

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 May 17, 6:45 PM CDT, 31 minutes earlier.

Area forecast discussion, May 17, 6:45 PM CDT, 31 minutes before
COASTAL BEND FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
645 PM CDT FRI MAY 17 2002

EXPECT A VERY ACTIVE EVENING OVER SOUTH TEXAS THIS EVENING AS
SEVERAL MCSS CONVERGE ON THE REGION.  THE ATMOSPHERE IS VERY
UNSTABLE ONCE AGAIN WITH CAPES OF 3000 TO 4000 J/KG AND OUTFLOW
BOUNDARIES ARE CONVERGING...ONE FROM BEEVILLE AREA...A SECOND FROM
HONDO AND A THIRD IS EXPECTED TO CROSS THE RIO GRANDE LATER THIS
EVENING COINCIDENT WITH HONDO SYSTEM COMING DOWN.

THE MAIN CONCERN IS BECOMING HEAVY RAIN.  STORM MOTIONS ARE VERY
SLOW AND 88D ESTIMATES...ALTHOUGH SLIGHTLY HAIL CONTAMINATED...ARE
IN THE 2 TO 4 INCH RANGE...WITH LOCALLY HIGHER AMOUNTS. WILL UPDATE
ZONES TO BUMP POPS UP AND INCLUDE MENTION OF HVY RAIN. WEVE GOT THE
FULL CREW WORKING TONIGHT.

MEDIA...IF YOU GET ANY SEVERE WEATHER REPORTS PLEASE CALL US. THANKS

.CRP...SCA GMZ230-235.

75/81/91/87/80/76

In the hours before

Local storm report, May 17, 4:07 PM CDT, 3 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
407 PM CDT FRI MAY 17 2002

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

0357 PM    VICTORIA                  TX   1.00 INCH HAIL
05/17/02   VICTORIA                       REPORTED BY AIRPORT
                                          MANAGER AT VICTORIA
                                          REGIONAL AIRPORT

0400 PM    4 SW INEZ                 TX   .75 INCH HAIL
05/17/02   VICTORIA

JM
Local storm report, May 17, 4:39 PM CDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
439 PM CDT FRI MAY 17 2002

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

0420 PM    5 N BLOOMINGTON           TX   .88 INCH HAIL
05/17/02   VICTORIA                       DIME TO NICKLE SIZED HAIL
                                          REPORTED BY STORM
                                          SPOTTER ON HIGHWAY
                                          185 BETWEEN BLOOMINGTON
                                          AND VICTORIA

JM
Special weather statement, May 17, 5:27 PM CDT, 1 hour 49 minutes before
TXZ229>232-239>244-180300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
527 PM CDT FRI MAY 17 2002

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF SOUTH TEXAS
UNTIL 10 PM...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR WESTERN PORTIONS OF THE COASTAL BEND AND MOST OF THE RIO GRANDE
PLAINS UNTIL 10 PM TONIGHT. THIS WATCH INCLUDES THE FOLLOWING
COUNTIES...LASALLE...MCMULLEN...LIVE OAK...BEE...SAN PATRICIO...
NUECES...KLEBERG...JIM WELLS...DUVAL AND WEBB.

SOME CITIES INCLUDED IN THE WATCH ARE COTULLA...TILDEN...THREE
RIVERS...BEEVILLE...LAREDO...FREER...ALICE...CORPUS CHRISTI...
SINTON AND KINGSVILLE.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. SEVERE
THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF DIMES
OR LARGER...STRONG WINDS OF 58 MPH OR HIGHER AND POSSIBLY TORNADOES.

EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD BE PREPARED FOR
POSSIBLE ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN
ALERT AND BE READY TO ACT QUICKLY IF THREATENING WEATHER APPROACHES
YOUR AREA. IF SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN
INTERIOR ROOM AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY
FLAT DOWN ON THE GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT.

STAY TUNED TO THE NATIONAL WEATHER SERVICE FOR ADDITIONAL
STATEMENTS OR POSSIBLE WARNINGS REGARDING THIS DEVELOPING
WEATHER SITUATION.
Local storm report, May 17, 6:00 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
600 PM CDT FRI MAY 17 2002

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

0550 PM    3 N BEEVILLE              TX   .75 INCH HAIL
05/17/02   BEE                            DIME HAIL AND 45 MPH
                                          WIND GUSTS REPORTED
                                          BY NWS SPOTTER.

LAMARRE
Local storm report, May 17, 6:56 PM CDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
656 PM CDT FRI MAY 17 2002

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

0655 PM    THREE RIVERS              TX   .88 INCH HAIL
05/17/02   LIVE OAK

JM
Local storm report, May 17, 7:14 PM CDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI,TX
714 PM CDT FRI MAY 17 2002

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

0703 PM    MATHIS                    TX   .88 INCH HAIL
05/17/02   SAN PATRICIO

WC

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:09 PM CDTSevere Thunderstorm WarningCRPJim Wells, Kleberg2 hr
May 17, 7:14 PM CDTSpecial Marine WarningCRP91 min
May 17, 7:14 PM CDTSpecial Marine WarningCRP91 min
May 17, 7:30 PM CDTFlash Flood WarningCRPWebb3 hr
May 17, 8:06 PM CDTSevere Thunderstorm WarningCRPBee40 days
May 17, 8:46 PM CDTSpecial Marine WarningCRP29 min
May 18, 1:18 AM CDTSpecial Marine WarningCRP57 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002

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.