Wind Advisory 20, NWS Brownsville, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
811 PM CDT SUN APR 26 2009

.DISCUSSION...WIND ADVISORY JUST EXPIRED OVER THE SOUTHEAST AND
EAST PORTIONS OF DEEP SOUTH TEXAS...AND VERIFIED NICELY TODAY...
WITH BRO REPORTING 32G43KT...HRL 31G43KT...AND MFE 30G47KT. WINDY
CONDITIONS EXPECTED TOMORROW AND TUESDAY...BUT NOT APPROACHING
WIND ADVISORY CRITERIA PER LATEST MEX MOS GUIDANCE. BREEZY WEATHER
PREVAILS WEDNESDAY THROUGH EARLY NEXT WEEK AS SURFACE PRESSURE
GRADIENT FINALLY RELAXES SLIGHTLY. UPDATED ZONE FORECAST ABOUT TO
BE ISSUED FOR EXPIRED WIND ADVISORY.
&&

.MARINE...BROAD HIGH PRESSURE OVER THE GULF WILL CONTINUE TO
INTERACT WITH LOWER PRESSURE ACROSS THE SOUTHERN AND CENTRAL PLAINS.
THE AXIS OF AN UPPER TROUGH OVER THE GREAT BASIN DOES NOT PASS EAST
OF TEXAS UNTIL MONDAY NIGHT MAINTAINING A STRONG PRESSURE GRADIENT.
ANOTHER UPPER TROUGH WILL BE RIGHT ON THE HEELS OF THIS FIRST TROUGH
SO THERE DOES NOT LOOK LIKE ANY SUBSTANTIAL WINDOW FOR LIGHTER
WINDS. THE PERSISTENT STRONG WINDS AND EXPANSIVE FETCH WILL ALLOW
FOR THE LONG PERIOD SOUTHEAST SWELL TO CONTINUE IMPACTING THE LOWER
TEXAS COASTAL WATERS FOR THE NEXT SEVERAL DAYS. SMALL CRAFT
ADVISORIES WILL LIKELY BE EXTENDED BEYOND MONDAY NIGHT FOR THE
OFFSHORE WATERS WITH PROLONG PERIODS OF ADVISORIES ACROSS THE LAGUNA
MADRE MOSTLY DURING THE DAYTIME AND EVENING HOURS.
&&

.AVIATION...GULF MOISTURE WILL CONTINUE TO MOVE INLAND UNDER A
STRONG SOUTHERLY FLOW. MVFR CIGS ARE EXPECTED TO EXPAND FROM ALONG
THE COAST TO INLAND AREAS THROUGH MONDAY MORNING. STRONG WINDS AT
THE SURFACE WILL DECOUPLE THIS EVENING PRODUCING LOW LEVEL WIND
SHEAR MOST OF THE NIGHT WHICH IS EMPHASIZED IN THE TAFS. A BROKEN TO
SCT MVFR CIG IS EXPECTED MONDAY WITH STRONG WINDS TO ONCE AGAIN
MIXING TO THE SURFACE MID TO LATE MORNING.
&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  78  88  78  87 /  10  10  10  10
BROWNSVILLE          76  89  76  88 /  10  10  10  10
HARLINGEN            76  91  74  90 /  10  10  10  10
MCALLEN              75  92  75  90 /  10   0   0  10
RIO GRANDE CITY      73  95  72  94 /  10  10   0  10
SOUTH PADRE ISLAND   77  84  76  84 /  10  10   0  10
&&

.BRO WATCHES/WARNINGS/ADVISORIES...
SMALL CRAFT ADVISORY UNTIL 10 PM CDT THIS EVENING FOR GMZ130-132-135.

SMALL CRAFT ADVISORY UNTIL 7 PM CDT MONDAY FOR GMZ150-155-170-175.
&&

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

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

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1120 AM CDT SUN APR 26 2009

TXZ248>257-271015-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
1120 AM CDT SUN APR 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.

SURFACE LOW PRESSURE JUST WEST OF OUR REGION AND HIGH PRESSURE
ACROSS THE ADJACENT GULF OF MEXICO WILL CONTINUE TO PROVIDE A STRONG
PRESSURE GRADIENT OVER OUR REGION TODAY. IN ADDITION...A LOW LEVEL
JET MAINLY CONFINED TO CAMERON...WILLACY AND KENEDY COUNTIES WILL
ENHANCE THE STRENGTH OF THE SOUTHEAST WINDS LATE THIS MORNING
THROUGH THE AFTERNOON. A WIND ADVISORY IS IN EFFECT FOR CAMERON...
WILLACY...KENEDY AND HIDALGO COUNTIES FROM 10 AM THIS MORNING TO 8
PM THIS EVENING. ALSO...THE STRONG SOUTH WINDS IN COMBINATION WITH
ABUNDANT DRY AND CURED FUELS WILL ENHANCE THE RISK FOR WILDFIRES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

MODERATE TO STRONG SOUTH TO SOUTHEASTERLY WINDS ARE LIKELY TO
CONTINUE THROUGH MONDAY. WIND ADVISORIES AND POSSIBLE RED FLAG
WARNINGS MAY BE NEEDED AS A RESULT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

GMZ130-132-135-150-155-170-175-271015-
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX-
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO
60 NM-
WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO
60 NM-
1120 AM CDT SUN APR 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE GULF OF MEXICO AND THE
LAGUNA MADRE.

.DAY ONE...TODAY AND TONIGHT.

SURFACE LOW PRESSURE ACROSS NORTHWEST TEXAS AND HIGH PRESSURE ACROSS
THE EASTERN GULF OF MEXICO WILL CONTINUE TO PROVIDE A STRONG
PRESSURE GRADIENT ACROSS THE LOWER TEXAS COAST AND THE WESTERN GULF
OF MEXICO TODAY. SMALL CRAFT ADVISORIES ARE IN EFFECT FOR THE LAGUNA
MADRE FROM 7 AM THIS MORNING TO 7 PM THIS EVENING AND CONTINUE FOR
THE OFFSHORE WATERS THROUGH MIDNIGHT TONIGHT. IN ADDITION...THERE IS
A HIGH RISK FOR RIP CURRENTS FOR AREA BEACHES TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SMALL CRAFT ADVISORIES ARE LIKELY FOR ALL MARINE AREAS OF DEEP SOUTH
TEXAS THROUGH WEDNESDAY. THERE WILL BE A HIGH RISK FOR RIP CURRENTS
IN THE EXTENDED PERIOD AS STRONG SOUTHEAST WINDS AND ROUGH SEAS
WILL CONTINUE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

SPEECE