000 FXUS64 KBRO 100938 AFDBRO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 338 AM CST FRI FEB 10 2012 .SHORT TERM /TODAY THROUGH SATURDAY/...WIDESPREAD FOG HAS SLOWLY DEVELOPED ACROSS DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY THROUGH THE PAST SEVERAL HOURS...WITH THE LOWEST VISIBILITY OF ONE-HALF MILE OBSERVED WITHIN THE CENTRAL PORTION OF THE BRO CWFA. IF THESE TRENDS CONTINUE...A DENSE FOG ADVISORY MAY NEED TO BE POSTED FOR PORTIONS OF OUR REGION PRIOR TO SUNRISE THIS MORNING. OTHERWISE...A WEAK COLD FRONT WILL SWEEP THROUGH FROM NORTH TO SOUTH THIS MORNING. ISOLATED SHOWERS MAY ACCOMPANY THE PASSAGE OF THE FRONT...HOWEVER DRIER AIR MOVING INTO DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY IN THE WAKE OF THE FRONT WILL END THE OPPORTUNITY FOR PRECIPITATION AND THIN CLOUDINESS AS TODAY PROGRESSES AND LEADS INTO TONIGHT. DRY WEATHER WILL PERSIST TOMORROW WITH CLOUDINESS SURGING BACK INTO THE BRO CWFA FROM NEIGHBORING MEXICO. TEMPERATURES WILL HOLD IN THE NEAR TO BELOW NORMAL RANGE DUE TO THE PASSAGE OF THE COLD FRONT TODAY AND GENERAL CLOUDY CONDITIONS OVERALL. .LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...THE CUT OFF LOW THAT HAS BEEN OVER SOUTHERN BAJA BEGINS TO FILL AND MOVE NORTHEAST INTO MEXICO WHILE A SHORTWAVE DIGS DOWN ACROSS SOUTHERN CALIFORNIA. THE TWO FEATURES WILL PHASE AND MOVE TO THE EAST. CLOUDS AND POPS INCREASE FOR LATE SATURDAY NIGHT AHEAD OF THIS SHORTWAVE. THERE IS A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE DAY ON SUNDAY AND CONTINUING THROUGH MONDAY MORNING. POPS DECREASE QUICKLY AS THE SHORTWAVE AND THE ASSOCIATED COLD FRONT EXIT THE REGION. ANOTHER COLD FRONT MOVES THROUGH DEEP SOUTH TEXAS AND THE RIO GRAND VALLEY ON THURSDAY. AFTERNOON TEMPERATURES SLOWLY WARM EACH DAY WITH HIGH TEMPERATURES REACHING THE LOW 80S ACROSS DEEP SOUTH TEXAS BY TUESDAY AND WEDNESDAY. && .MARINE...TODAY THROUGH SATURDAY...BUOY 42020 REPORTED EAST- SOUTHEAST WINDS AROUND 10 KNOTS GUSTING TO AROUND 12 KNOTS WITH SEAS SLIGHTLY UNDER 4 FEET WITH A PERIOD OF 6 SECONDS AT 02 CST/08 UTC. MODERATE WINDS AND SEAS WILL PREVAIL FOR THE ADJACENT COASTAL WATERS OF DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY TODAY AS A COLD FRONT PASSES THROUGH THE LOWER TEXAS COAST. WINDS AND SEAS WILL INCREASE TONIGHT THROUGH SATURDAY AS STRONG HIGH PRESSURE OVER THE CENTRAL PLAINS INTERACTS WITH LOWER PRESSURE OVER THE BAY OF CAMPECHE. A SMALL CRAFT ADVISORY WILL BE IN EFFECT FOR THE GULF OF MEXICO WATERS EAST OF PADRE ISLAND BEGINNING TONIGHT DUE TO THE STRONGER WINDS AND HIGHER SEAS. SATURDAY NIGHT THROUGH TUESDAY...SURFACE HIGH PRESSURE OVER THE CENTRAL PLAINS SUNDAY WILL SURGE SOUTHEAST AND SETTLE OVER THE TENNESSEE RIVER VALLEY ON MONDAY. ADVERSE MARINE CONDITIONS WILL CONTINUE THROUGH MONDAY EVENING AS STRONG EAST TO NORTHEAST WINDS AND WAVE HEIGHTS OF 6 TO 8 FEET OFFSHORE ARE EXPECTED TO CONTINUE THROUGH MONDAY. SHOWERS AND THUNDERSTORMS WILL CONTINUE SATURDAY NIGHT THROUGH MONDAY AS THE COLD FRONT APPROACHES AND MOVES THROUGH THE LOWER TEXAS COASTAL WATERS LATE MONDAY. WINDS AND SEAS WILL DECREASE MONDAY NIGHT AND TUESDAY IN THE WAKE OF THE FRONT. && .PRELIMINARY POINT TEMPS/POPS... BAYVIEW/PORT ISABEL 70 54 64 57 / 10 0 0 30 BROWNSVILLE 71 53 65 56 / 10 0 0 30 HARLINGEN 70 51 64 55 / 10 0 0 30 MCALLEN 70 51 64 54 / 10 0 0 40 RIO GRANDE CITY 71 53 64 54 / 10 0 0 40 SOUTH PADRE ISLAND 70 54 65 60 / 20 0 0 30 && .BRO WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...SMALL CRAFT ADVISORY FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY FOR GMZ150-155-170-175. && $$ THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT: HTTP://WEATHER.GOV/RGV 66/63