Severe Thunderstorm Warning 25, NWS Corpus Christi, TX

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
618 PM CDT SAT APR 27 2013

.DISCUSSION...UPDATED FOR 00Z AVIATION DISCUSSION BELOW.

&&

.AVIATION...COMPLEX TAF FCST WITH VARIETY OF FLIGHT RULES
XPCTD...THOUGH VFR WILL BE LIMITED. MAIN CHALLENGES TONIGHT WILL
BE LOW CIGS AND POSSIBLE CONVECTION. CONVECTION MAY IMPACT KLRD
TERMINAL THIS EVENING AND SLIGHT CHANCE OF PRECIP AT KVCT.
BETTER CHANCES OF PRECIP AND CONVECTION AREAWIDE TO COME DURING
THE DAY SUNDAY WITH PROB 30 INTRODUCED IN AREA TAFS WITH EXCEPTION
OF KCRP. OTHERWISE...CIGS XCPTD TO LOWER TONIGHT TO IFR/MVFR
LEVELS WITH MVFR LIKELY THRU MOST OF SUNDAY...ALL TERMINALS. LIGHT
TO MODERATE SE WINDS THIS EVENING TO BECOME LIGHT TONIGHT THRU
SUNDAY...WITH VARIABLE WINDS IN/NEAR ANY CONVECTION. AMENDMENTS TO
TAFS CAN BE XPCTD TONIGHT DUE TO POSSIBILITY OF RAPIDLY CHANGING
WX.

&&

.PRELIMINARY POINT TEMPS/POPS...
CORPUS CHRISTI    70  80  67  82  67  /  30  40  30  40  10
VICTORIA          67  82  63  81  61  /  40  40  20  40  10
LAREDO            70  86  68  85  68  /  60  40  50  30  20
ALICE             69  82  65  83  64  /  50  40  40  40  10
ROCKPORT          70  76  66  78  66  /  20  30  20  40  10
COTULLA           67  82  64  84  63  /  60  40  50  30  20
KINGSVILLE        69  82  67  83  66  /  30  40  30  40  10
NAVY CORPUS       71  77  68  79  67  /  20  30  20  40  10

&&

.CRP WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.

&&

AVIATION...HART/79

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
514 AM CDT SAT APR 27 2013

GMZ230-235-250-255-270-275-TXZ229>234-239>247-281015-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O'CONNOR-
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT
20 NM-WATERS FROM BAFFIN BAY TO PORT ARANSAS FROM 20 TO 60 NM-
WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN-
514 AM CDT SAT APR 27 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE
TEXAS COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS WILL BE POSSIBLE LATE THIS AFTERNOON
ACROSS THE VICTORIA CROSSROADS AND ACROSS THE NORTHERN RIO GRANDE
PLAINS. THUNDERSTORM CHANCES INCREASE TONIGHT AS A STORM SYSTEM
DEVELOPS ACROSS MEXICO AND WEST TEXAS AND APPROACHES THE RIO GRANDE
PLAINS AND BRUSH COUNTRY. AN ISOLATED STRONG TO SEVERE THUNDERSTORM
WITH DAMAGING WIND AND HAIL COULD MOVE INTO THE RIO GRANDE PLAINS
TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE
SUNDAY AND SUNDAY NIGHT...MAINLY ACROSS THE BRUSH COUNTRY AND COASTAL
PLAINS. ADDITIONAL CHANCES OF SHOWERS AND THUNDERSTORMS WILL BE
POSSIBLE ACROSS SOUTH TEXAS THROUGH THE FIRST PART OF NEXT WEEK. A
COLD FRONT WILL MOVE THROUGH THE REGION LATE WEDNESDAY NIGHT/EARLY
THURSDAY MORNING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EXISTS ALONG AND AHEAD OF THIS FRONT WEDNESDAY NIGHT AND THURSDAY.
MODERATE TO STRONG OFFSHORE FLOW WILL DEVELOP ACROSS THE COASTAL AND
NEARSHORE WATERS...AND SMALL CRAFT ADVISORY CONDITIONS MAY DEVELOP
THURSDAY THROUGH FRIDAY MORNING. SEVERE THUNDERSTORMS ARE NOT
EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

TE/LK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
708 PM CDT SAT APR 27 2013

TXZ239-280100-
WEBB-
708 PM CDT SAT APR 27 2013

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF WEBB COUNTY...

AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 12 MILES SOUTHEAST OF CHUPADERA RANCH
AIRPORT...OR 35 MILES SOUTH OF CARRIZO SPRINGS...MOVING EAST AT 35
MPH. ADDITIONAL STRONG THUNDERSTORMS WERE DEVELOPING WEST OF THE
INTERNATIONAL BORDER AND ALSO MOVING EAST.

PEOPLE IN NORTHWESTERN WEBB COUNTY SHOULD MONITOR THE WEATHER
SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO
TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

DIME SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE POSSIBLE WITH
THIS STORM.

HART

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
821 PM CDT SAT APR 27 2013

TXZ229-239-280215-
LA SALLE-WEBB-
821 PM CDT SAT APR 27 2013

...STRONG THUNDERSTORMS WILL CONTINUE TO IMPACT LA SALLE AND WEBB
COUNTIES...

AT 817 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF
ASHERTON TO 9 MILES NORTHEAST OF LA ESPERANZA RANCH AIRPORT TO 18
MILES WEST OF EL CENIZO...OR ALONG A LINE EXTENDING FROM 8 MILES
SOUTHWEST OF BIG WELLS TO 13 MILES NORTHWEST OF ENCINAL TO 26 MILES
NORTHWEST OF SAN YGNACIO...MOVING EAST AROUND 35 MPH.

PEOPLE IN LA SALLE AND WEBB COUNTIES...INCLUDING LAS TIENDAS...LA
ESPERANZA RANCH AIRPORT...RANCHOS PENITAS
WEST...BOTINES...ORVIL...ENCINAL...AND LAREDO SHOULD MONITOR THE
WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

DIME SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE POSSIBLE WITH
THESE STORMS.

HART

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
924 PM CDT SAT APR 27 2013

TXZ229-239-280330-
LA SALLE-WEBB-
924 PM CDT SAT APR 27 2013

...THUNDERSTORMS WITH INTENSE LIGHTNING WILL CONTINUE TO IMPACT LA
SALLE AND WEBB COUNTIES...

AT 917 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTH OF
DILLEY TO 10 MILES SOUTHWEST OF EL CENIZO...OR ALONG A LINE EXTENDING
FROM 6 MILES NORTH OF DILLEY TO 15 MILES NORTHWEST OF SAN
YGNACIO...MOVING EAST AT 35 MPH.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH WILL ALSO BE POSSIBLE
WITH THESE STORMS.

HART

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