000 AXPZ20 KNHC 292112 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC MON DEC 29 2014 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2100 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 08N82W TO 05N92W WHERE LOW LEVEL WINDS SUGGEST A TRANSITION TO ITCZ WHICH EXTENDS TO 05N117W TO BEYOND 09N140W. NO SIGNIFICANT CONVECTION WAS NOTED ALONG THE MONSOON TROUGH OR ITCZ. ...DISCUSSION... A WEAK HIGH PRESSURE RIDGE EXTENDS OVER THE NORTHERN WATERS FROM 30N125W TO 20N110W. LOW PRESSURE IS CENTERED W OF THE AREA NEAR 29N143W. THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOW PRESSURE IS SUPPORTING FRESH TO NEAR GALE WINDS OVER THE NW WATERS. WHILE THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS MAINTAINING FRESH TRADES N OF THE ITCZ. THE SURFACE LOW WILL CONTINUE TO SHIFT EASTWARD INTO THE AREA OVER THE NEXT 24 HOURS. THIS WILL MAINTAIN THE NEAR GALE FORCE WINDS OVER THE NW WATERS THROUGH TUE. THE LOW WILL DISSIPATE OVER THE WESTERN WATERS BY WED. THIS WILL HELP TO DIMINISH WINDS TO 25 KT BY WED. GULF OF TEHUANTEPEC...HIGH PRESSURE OVER S TEXAS IS HELPING FOR WINDS TO FUNNEL THROUGH THE CHIVELA PASS INTO THE GULF OF TEHUANTEPEC. AS A RESULT...FRESH TO STRONG WINDS PREVAIL OVER THE GULF OF TEHUANTEPEC. FRESH TO STRONG WINDS WILL CONTINUE THROUGH TUE EVENING. HIGH PRESSURE N OF THE AREA WILL BUILD FURTHER AND HELP TIGHTEN THE PRESSURE GRADIENT. THIS WILL INCREASE WINDS OVER THE GULF OF TEHUANTEPEC TO NEAR GALE FORCE BY LATE TUE/EARLY WED. GULF OF PAPAGAYO...WINDS WILL PULSE TO FRESH TO STRONG DURING THE OVERNIGHT AND EARLY MORNING HOURS TONIGHT AND TUE NIGHT. $$ AL