Severe Thunderstorm Warning 18, NWS Brownsville, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
930 PM CDT FRI APR 28 2006

.UPDATE...CONVECTION CONTINUES TO MOVE INTO WESTERN ZONES THIS
EVENING. ISSUED A QUICK UPDATE TO INTRODUCE SCHC POPS OVER CWA
OVERNIGHT.
&&

.PREV DISCUSSION...ISSUED AT 750 PM CDT FRI APR 28 2006...WINDY
CONDITIONS CONTINUE TO GRADUALLY DISSIPATE THIS EVENING AND HAVE LET
THE WIND ADVISORY EXPIRE. ALSO LET THE RFW EXPIRE AS HUMIDITIES
CONTINUE TO RISE ACROSS THE REGION. A WEAK COLD FRONT WILL MOVE
THROUGH CWA SAT MORNING PRODUCING ISOLD SHRA/TSRA ALONG AND AHEAD OF
THE BOUNDARY AND SHIFTING WINDS TO THE NW IN ITS WAKE. WINDS VEER TO
THE SE OVERNIGHT SAT WITH A WARMING TREND SUN THROUGH THE MIDDLE OF
NEXT WEEK. CURRENT FCST ON TRACK BUT ISSUED UPDATE TO REMOVE WIND
ADVISORY HEADLINE.
&&

.MARINE...BUOY 42020 WAS REPORTING SE WINDS AT 21 KNOTS WITH GUSTS
TO 25 AT 6 PM...WITH SEAS AT 7 FEET. ALSO KPIL WAS REPORTING SE
WINDS 23G29KT. FURTHER TIGHTENING OF GRADIENT IS EXPECTED TONIGHT
...NOT RELAXING UNTIL DAYBREAK. THERE MAY BE A BRIEF PERIOD
OF OFFSHORE FLOW LATE SATURDAY INTO SUNDAY.  HOWEVER...WEAK TO
MODERATE ONSHORE FLOW WILL RETURN BY LATE SUNDAY AND CONTINUE
THROUGH THE MIDDLE OF THE WEEK.
&&

.AVIATION...STRONG PRESSURE GRADIENT WILL CONTINUE OVER THE AREA
TONIGHT SO WINDS WILL STAY RELATIVELY HIGH...MAINLY IN THE 20 KNOT
RANGE. SOME MVFR CEILINGS CAN BE EXPECTED TONIGHT BUT CIGS SHUD LIFT
TO 3K FT BY SUNRISE. FROPA LIKELY SATURDAY NOON WITH WINDS SHIFTING
NORTH AT 15 KTS. VFR CONDITIONS ARE EXPECTED BEYOND.
&&

.BRO WATCHES/WARNINGS/ADVISORIES...
SCA GMZ130-132-135-150-155-170-175 UNTIL 10 AM SATURDAY.
&&

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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1017 PM CDT FRI APR 28 2006

TXZ248>257-291100-
BROOKS-COASTAL CAMERON-COASTAL WILLACY-HIDALGO-INLAND CAMERON-
INLAND WILLACY-JIM HOGG-KENEDY-STARR-ZAPATA-
1017 PM CDT FRI APR 28 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...REMAINDER OF TONIGHT.

A SMALL CRAFT ADVISORY HAS BEEN POSTED FOR ALL MARINE AREAS OF THE
LOWER TEXAS COAST THROUGH SATURDAY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY.

WINDS WILL SWITCH TO NORTHWEST AND DECREASE SATURDAY AFTER A COLD
FRONT MOVES THROUGH IN THE MORNING...BUT A SMALL CRAFT ADVISORY MAY
CONTINUE THROUGH SATURDAY AFTERNOON UNTIL HIGH SEAS SUBSIDE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

PHILO