Small Craft Advisory 26, NWS Brownsville, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
805 PM CST THU MAR 5 2009

.DISCUSSION...SOUTHERLY WINDS REACHED WIND ADV CRITERIA AT BRO...PIL
AND HRL TDY AS SFC LOW PRESSURE OVR THE CENTRAL CONUS CONTINUES TO
ENCROACH ON A SEMI-PERMANENT SFC HIGH RIDGING EAST FROM FL ACROSS LA
AND ERN TX. MORE OF THE SAME IS IN THE FCST FOR OUR REGION FRIDAY
AND SATURDAY...WITH TEMPS RISING TO 87 IN MFE AND AROUND 83 IN BRO.
CONTINUED DRY WEATHER IS FCST THRU NEXT WEEK. FIRE DANGERS PERSIST.

NO CHANGES NEEDED TO CURRENT RGV ZNS.
&&

.PREV DISCUSSION.../ISSUED 145 PM CST THU MAR 5 2009/THE COMBINATION
OF A LOW PRESSURE SYSTEM MOVING ACROSS THE GREAT PLAINS AND HIGH
PRESSURE OVER THE GULF OF MEXICO WILL CONTINUE TO BRING MODERATE TO
STRONG SOUTH TO SOUTHEAST WINDS OVER DEEP SOUTH TEXAS THROUGH THE
END OF THE WEEK. THE BOUNDARY LAYER RELATIVE HUMIDITIES SHOWS BELOW
30 PERCENT FROM 900 MB TO ABOVE 500 MB THROUGH SATURDAY MORNING.
THE MOISTURE INCREASES TO ABOVE 50 PERCENT BELOW 700 MB  BOTH
SATURDAY AND SUNDAY.  TEMPERATURES WILL CONTINUE TO BE ABOVE NORMAL
FOR THIS TIME OF YEAR DUE TO AMPLE AMOUNT OF SUNSHINE.  MOISTURE
WILL INCREASE BY THE WEEKEND GIVING DEEP SOUTH TEXAS SOME ISOLATED
SHOWERS.  BRO SOUNDING THIS MORNING SHOWED A PRECIP WATER OF .90 AND
A K-INDEX OF 2.  A COLD FRONT WILL STALL JUST NORTH OF DEEP SOUTH
TEXAS BY WEDNESDAY OF NEXT WEEK CAUSING ISOLATED SHOWERS.
&&

.MARINE...BUOY 42020 REPORTED SOUTHEAST WINDS AROUND 12 KNOTS
GUSTING TO AROUND 14 KNOTS WITH SEAS SLIGHTLY UNDER 5 FEET WITH A
PERIOD OF 7 SECONDS AT 19 CST/01 UTC. STRONG WINDS AND ROUGH
SOUTHEAST SWELLS WILL PRODUCE ADVERSE MARINE CONDITIONS ALONG THE
LOWER TEXAS COAST TONIGHT THROUGH THE WEEKEND...AS HIGH PRESSURE
OVER THE GULF OF MEXICO INTERACTS WITH A LOW PRESSURE SYSTEM OVER
THE TEXAS PANHANDLE. MARINE CONDITIONS WILL IMPROVE EARLY NEXT WEEK
AS LOW PRESSURE BECOMES MORE ESTABLISHED OVER DEEP SOUTH TEXAS.
&&

.AVIATION...VFR CONDITIONS WILL PREVAIL OVER THE TRIO OF REGIONAL
AIRPORTS THROUGH THE NEXT 24 HOURS WITH NEARLY CLEAR SKIES AND
BREEZY WINDS.
&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  68  83  68  81 /   0   0   0  10
BROWNSVILLE          66  85  67  81 /   0   0   0  10
HARLINGEN            63  83  66  83 /   0   0   0  10
MCALLEN              66  85  67  83 /   0   0   0  10
RIO GRANDE CITY      64  87  64  87 /   0   0   0  10
SOUTH PADRE ISLAND   66  78  67  77 /   0   0   0  10

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...FIRE WEATHER WATCH FRIDAY AFTERNOON FOR TXZ248>250-252-253.

GM...SMALL CRAFT ADVISORY UNTIL 6 AM CST FRIDAY FOR GMZ170-175.

&&

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

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HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
645 PM CST THU MAR 5 2009

GMZ130-132-135-150-155-170-175-TXZ248>257-061200-
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-ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
645 PM CST THU MAR 5 2009

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

.DAY ONE...TONIGHT.

A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE GULF OF MEXICO WATERS
EAST OF PADRE ISLAND FROM 20 TO 60 NAUTICAL MILES OFFSHORE. THERE IS
A MODERATE RISK OF RIP CURRENTS AT THE BEACHES OF SOUTH PADRE ISLAND
AND BOCA CHICA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A FIRE WEATHER WATCH FOR DANGEROUS WILDFIRES IS IN EFFECT FOR THE
CENTRAL AND WESTERN PORTIONS OF DEEP SOUTH TEXAS FRIDAY. THE WATCH
MAY BE UPGRADED TO A RED FLAG WARNING BY EARLY FRIDAY MORNING. A
WIND ADVISORY AND A RED FLAG WARNING FOR DANGEROUS WILDFIRES MAY
BE NEEDED FOR ALL OR PORTIONS OF DEEP SOUTH TEXAS SATURDAY DUE TO
STRONG WINDS AND DRY WEATHER CONDITIONS. A SMALL CRAFT ADVISORY MAY
BE NEEDED FOR THE ADJACENT COASTAL WATERS OF DEEP SOUTH TEXAS FRIDAY
THROUGH SUNDAY DUE TO STRONG WINDS AND ROUGH SEAS. A MODERATE TO
HIGH RISK OF RIP CURRENTS AT THE LOCAL BEACHES WILL LIKELY ACCOMPANY
THE ADVERSE WIND AND SEA CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

TOMASELLI