000
FXUS64 KBRO 121431
AFDBRO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
931 AM CDT SUN OCT 12 2008

.DISCUSSION...ISOLATED SHOWERS STREAMING INTO THE SOUTHEAST PORTION
OF DEEP SOUTH TEXAS FROM NEIGHBORING TAMAULIPAS. LOCAL UPPER AIR
SOUNDING FROM THIS MORNING INDICATED SLIGHTLY OVER 2 INCHES OF
PRECIPITABLE WATER IN THE ATMOSPHERIC COLUMN...WHICH SHOULD COMBINE
WITH DAYTIME HEATING TO PRODUCE ADDITIONAL ISOLATED SHOWERS TODAY.
FORECAST SHOULD GET WETTER AS THE WEEK PROGRESSES WITH A COASTAL
TROUGH DEVELOPING AND PERSISTING ALONG THE TEXAS COAST.
&&

.MARINE...AT 8 AM BUOY020 REPORTED WINDS FROM THE EAST SOUTHEAST 15
TO 19 KNOTS WITH SEAS AROUND 5 FEET WITH A 6 SECOND PERIOD.
PERSISTENT EAST SOUTHEAST FETCH HAS ALLOW SEAS TO BUILD TO NEAR 6
FEET EARLY THIS MORNING. SEAS SHOULD FLUCTUATE BETWEEN 4 AND 6 FEET
ACROSS THE NEAR AND OFFSHORE WATERS THROUGH MUCH OF THE DAY. SMALL
CRAFT SHOULD EXERCISE CAUTION FOR THESE HIGHER SEAS. A WEAK SURFACE
TROUGH SOUTH OF THE RIVER IS INTERACTING WITH HIGH PRESSURE OVER THE
EASTERN AND CENTRAL GULF TO PRODUCE THE MODERATELY STRONG WINDS AND
HIGHER SWELLS. THIS TROUGH TRACKS NORTH AND WEAKENS LATER TODAY AND
TONIGHT WITH WINDS VEERING SOUTHEAST AND WEAKENING SLIGHTLY. THIS
MAY ALLOW FOR SEAS TO LOWER 1 FOOT TONIGHT. A PERSISTENT SOUTHEAST
FLOW CONTINUES THROUGH THE REMAINDER OF THE PERIOD. SHOWERS AND A
FEW THUNDERSTORMS MAY AFFECT THE NEAR SHORE WATERS BETWEEN PORT
ISABEL AND PORT MANSFIELD TODAY.
&&

.AVIATION...A WEAK SURFACE TROUGH APPROACHING THE RIO GRANDE RIVER
FROM THE SOUTH AND ABUNDANT TROPICAL MOISTURE IS PRODUCING MVFR CIGS
FROM HIDALGO COUNTY AND AREAS TO THE NORTHWEST. ALONG THE COAST
PATCHY BKN CIGS JUST ABOVE MVFR IS OCCURRING. CIGS SHOULD LIFT
THROUGH THE DAY BUT STAY BKN ACROSS MUCH OF THE AREA. OCCASIONAL
MVFR CIGS ARE ANTICIPATED WITH SCATTERED SHOWERS AND A POSSIBLE
THUNDERSTORM LATE THIS MORNING AND THE AFTERNOON. WINDS WILL BE
MODERATE FROM THE EAST TO SOUTHEAST BETWEEN 10 TO 15 KNOTS.
&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  86  76  88  74 /  30  20  10  20
BROWNSVILLE          88  74  89  73 /  30  20  10  20
HARLINGEN            88  74  90  71 /  30  20  10  20
MCALLEN              90  74  91  72 /  30  20  10  20
RIO GRANDE CITY      90  72  90  72 /  30  20  10  20
SOUTH PADRE ISLAND   86  76  86  76 /  30  20  10  20
&&

.BRO WATCHES/WARNINGS/ADVISORIES...NONE.
&&

$$

THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT:
HTTP://WWW.WEATHER.GOV/BROWNSVILLE

SYNOPTIC/GRIDS...TOMASELLI-66
MARINE/AVIATION...BOGORAD-59
MESO/INTERN...HART-69