000 AXPZ20 KNHC 271542 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1605 UTC TUE NOV 27 2012 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1500 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH PASSES THROUGH COSTA RICA NEAR 09N84W TO 07N92W. THE ITCZ CONTINUES FROM 07N92W TO 06N100W TO 09N120W TO 09N130W TO 10N136W BEYOND 09N140W. CONVECTIVE PRECIPITATION... SCATTERED MODERATE TO ISOLATED STRONG FROM 06N TO 07N BETWEEN 109W AND 110W...FROM 06N TO 08N BETWEEN 120W AND 127W...AND FROM 19N TO 22N BETWEEN 131W AND 134W...RAINSHOWERS ARE POSSIBLE FROM 14N TO 16N BETWEEN 137W AND 138W...AND FROM 07N TO 09N BETWEEN 134W AND 138W. ...DISCUSSION... A DEEP LAYER TROUGH PASSES THROUGH 32N143W BEYOND 27N150W... TO THE WEST AND NORTHWEST OF THE AREA OF THE THIS BULLETIN. THE TROUGH SUPPORTS A COLD FRONT THAT PASSES THROUGH 30N133W 26N136W 23N140W. RAINSHOWERS ARE POSSIBLE WITHIN 30 NM ON EITHER SIDE OF 23N140W 25N135W 28N133W BEYOND 30N132W. BROAD MIDDLE LEVEL TO UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE EASTERN PACIFIC OCEAN BETWEEN 100W AND 32N143W 27N150W TROUGH. A SEPARATE AREA OF MOSTLY UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE AREA TO THE EAST OF 100W. THE WINDS FOR THIS AREA MOVE THROUGH COLOMBIA TOWARD 10N95W. THE WINDS TURN AND CURVE ACROSS THE ISTHMUS OF TEHUANTEPEC OF SOUTHERN MEXICO...AND THEN NORTHEASTWARD BEYOND MEXICO AND THE CARIBBEAN SEA. A SURFACE 1020 MB HIGH PRESSURE CENTER IS NEAR 26N120W. BROAD SURFACE ANTICYCLONIC WIND FLOW COVERS THE AREA TO THE NORTH OF 17N BETWEEN 110W AND 130W. THE GULF OF TEHUANTEPEC... THE GALE-FORCE WINDS IN THE GULF OF TEHUANTEPEC WILL START AROUND 28/0600 UTC. EXPECT 20 KNOT WINDS TO START ABOUT SIX HOURS BEFORE THE ONSET OF THE GALE-FORCE WINDS. EXPECT 40 TO 45 KNOT WINDS MAXIMUM SEA HEIGHTS NEAR 15 FEET STARTING LATE TONIGHT INTO EARLY WEDNESDAY. THE GALE SHOULD END AROUND NOON ON THURSDAY. THE NORTHERLY WINDS WILL CONTINUE TO PULSE AT 20 TO 30 KNOTS THROUGH THE END OF THE WEEK. THE REMNANT NORTHEASTERLY SWELL FROM THE PREVIOUS TEHUANTEPEC EVENT IS FROM 08N TO 18N BETWEEN 108W AND 118W. IT STILL IS MIXING WITH BOTH LONG PERIOD NORTHWESTERLY SWELL AND CROSS EQUATORIAL SOUTHEASTERLY SWELL. THIS IS RESULTING IN COMBINED SEAS OF 7 TO 9 FEET. THIS AREA OF ENHANCED SEAS SHOULD DISSIPATE TO A HEIGHT THAT IS LOWER THAN 8 FEET LATE WEDNESDAY. THE GULF OF PAPAGAYO... NORTHEASTERLY WINDS OF 20 TO 25 KNOTS AND 8 FOOT SEA HEIGHTS WILL START LATER TODAY...AND CONTINUE FOR AT LEAST THE NEXT 48 HOURS OR SO. $$ MT