000 AXPZ20 KNHC 161505 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1605 UTC SAT MAY 16 2015 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 EXTENDS FROM 08N87W TO 07N109W TO 06N115W TO 09N125W TO BEYOND 06N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED FROM 02N TO 06N BETWEEN 105W AND 115W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED WITHIN 210 NM N OF THE MONSOON TROUGH BETWEEN 120W AND 125W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED WITHIN 120 NM S OF THE MONSOON TROUGH BETWEEN 125W AND 130W. ...DISCUSSION... A DISSIPATING COLD FRONT EXTENDS FROM THE GULF OF CALIFORNIA ACROSS BAJA CALIFORNIA INTO THE PACIFIC WATERS NEAR 27N114W THEN EXTENDING TO 23N124W TO 23N130W. ASSOCIATED SEAS TO 9 FT IN NW SWELL IS AFFECTING THE AREA N OF 27N BETWEEN 117W AND 122W. HIGH PRESSURE IS BUILDING IN THE WAKE OF THE FRONT. THE PRESSURE GRADIENT BETWEEN THIS AREA OF HIGH PRESSURE AND THE MONSOON TROUGH IS GENERATING MODERATE TO FRESH TRADE WINDS...GENERALLY FROM 10N TO 20N W OF 115W. SURFACE RIDGE WILL REMAIN ACROSS THE AREA THROUGH THE PERIOD AND MAINTAIN THIS AREA OF MODERATE TO FRESH TRADES. THE COLD FRONT WILL DISSIPATE TODAY WHILE ASSOCIATED NW SWELL CONTINUES TO SUBSIDE...FALLING BELOW 8 FT LATE TONIGHT. GAP WINDS... GULF OF PAPAGAYO...THE PRESSURE GRADIENT BETWEEN RIDGING OVER THE NW CARIBBEAN AND LOWER PRESSURE ALONG THE MONSOON TROUGH WILL HELP FOR PULSING OF WINDS TO REACH ADVISORY CRITERIA DURING THE LATE NIGHT AND EARLY MORNING HOURS THE NEXT COUPLE OF NIGHTS. WINDS WILL DECREASE BELOW ADVISORY CRITERIA DURING THE AFTERNOON AND EARLY EVENING HOURS. $$ AL