000 FXUS64 KBRO 241918 AFDBRO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 118 PM CST TUE NOV 24 2009 .DISCUSSION...A COLD FRONT IS MOVING THROUGH DEEP SOUTH TEXAS THIS AFTERNOON PRODUCING SHOWERS AND ISOLATED THUNDERSTORMS ACROSS PORTIONS OF THE CWA. THE WINDS ARE SHIFTING TO THE NORTH ONCE THE FRONT PASSES AND INCREASING BECOMING MODERATE AND GUSTY. THE WINDS WILL DECREASE OVERNIGHT BECOMING LIGHT FROM THE NORTH. THE SHOWERS WILL GRADUALLY DIMINISH LATER THIS AFTERNOON AS THE FRONT PROGRESSES FARTHER TO THE SOUTH AND EAST ACROSS MEXICO AND THE GULF OF MEXICO. LIGHT TO MODERATE NORTH TO NORTHEAST WINDS WILL PREVAIL ACROSS THE CWA WEDNESDAY AND THURSDAY. THE WINDS WILL SHIFT TO THE EAST ON FRIDAY THEN SOUTHEAST SATURDAY AND SUNDAY REMAINING LIGHT TO MODERATE. THE TEMPERATURES WILL DECREASE BEHIND THE FRONT TO BELOW NORMAL VALUES FOR THIS TIME OF THE YEAR REMAINING BELOW NORMAL WEDNESDAY THROUGH SATURDAY MORNING. THE TEMPERATURES WILL WARM TO NEAR NORMAL VALUES OR SLIGHTLY HIGHER THAN NORMAL SATURDAY AFTERNOON AND SUNDAY AS THE WINDS BECOME SOUTHEASTERLY. ANOTHER COLD FRONT WILL MOVE THROUGH DEEP SOUTH TEXAS ON MONDAY SHIFTING THE WINDS FROM THE SOUTHEAST TO THE NORTHWEST. THERE IS A CHANCE OF SHOWERS MOVING THROUGH PORTIONS OF THE CWA ON MONDAY ASSOCIATED WITH THE FRONTAL BOUNDARY. TEMPERATURES WILL DECREASE TO BELOW NORMAL VALUES IN THE WAKE OF THE FRONT EARLY NEXT WEEK. && .MARINE...BUOY 42020 REPORTED NORTH WINDS AROUND 21 KNOTS GUSTING TO AROUND 25 KNOTS WITH SEAS SLIGHTLY UNDER 3.5 FEET WITH A PERIOD OF 6 SECONDS AT 13 CST/19 UTC. WINDS AND SEAS ARE INCREASING RAPIDLY ALONG THE LOWER TEXAS COAST AS A COLD FRONT CONTINUES TO SWEEP THROUGH...AND SMALL CRAFT ADVISORIES ARE IN EFFECT FOR THE ADJACENT COASTAL WATERS OF DEEP SOUTH TEXAS THROUGH WEDNESDAY AFTERNOON. THE SMALL CRAFT ADVISORY MAY NEED TO BE CONTINUED FROM 20 TO 60 NAUTICAL MILES OFFSHORE WEDNESDAY NIGHT THROUGH THURSDAY IF ROUGH SEAS PERSIST. MARINE CONDITIONS WILL IMPROVE FOR FRIDAY AND SATURDAY... BUT MAY DETERIORATE AGAIN ON SUNDAY IN ADVANCE OF A COLD FRONT. && .AVIATION...BACKING AND INCREASING WINDS ARE OCCURRING ACROSS DEEP SOUTH TEXAS AT THIS TIME AS A COLD FRONT CONTINUES TO PASS THROUGH. REDUCED VISIBILITIES AND LOWER CEILINGS WILL OCCUR IN ANY SHOWER AND THUNDERSTORM ACTIVITY CAUSED BY THE COLD FRONT. CONDITIONS WILL IMPROVE OVERNIGHT AND THROUGH WEDNESDAY AS SKIES GRADUALLY CLEAR AND PRECIPITATION ENDS. && .PRELIMINARY POINT TEMPS/POPS... BAYVIEW/PORT ISABEL 59 70 53 72 54 / 00 00 00 00 00 BROWNSVILLE 56 72 50 75 52 / 00 00 00 00 00 HARLINGEN 54 72 48 74 49 / 00 00 00 00 00 MCALLEN 54 73 49 75 51 / 00 00 00 00 00 RIO GRANDE CITY 53 73 45 76 48 / 00 00 00 00 00 SOUTH PADRE ISLAND 62 70 56 71 57 / 00 00 00 00 00 && .BRO WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...SMALL CRAFT ADVISORY FOR WINDS THROUGH 4 AM CST WEDNESDAY FOR GMZ130-132-135. SMALL CRAFT ADVISORY THROUGH 6 PM CST WEDNESDAY FOR GMZ150-155-170-175. && $$ THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT: HTTP://WWW.WEATHER.GOV/BROWNSVILLE SYNOPTIC/GRIDS....63 MARINE/AVIATION...66 MESOSCALE.......VEGA