000 AXPZ20 KNHC 120203 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC TUE APR 12 2016 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0200 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A TROUGH AXIS EXTENDS FROM 07N95W TO 04N97W. THE ITCZ AXIS EXTENDS FROM 04N100W TO 08N118W TO 08N124W THEN RESUMES FROM 07N126W TO 01N140W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS FROM 03N TO 07N BETWEEN 83W AND 94W... AND ALSO FROM 09.5N TO 12N BETWEEN 113W AND 122W. ...DISCUSSION... NW SWELL WITH COMBINED SEAS OF 8 TO 10 FT IS PROPAGATING INTO THE NW WATERS AND WILL CONTINUE TO EXPAND TO THE SE THROUGH MID- WEEK. A 1028 MB HIGH PRESSURE CENTER JUST W OF THE DISCUSSION WATERS NEAR 32N142W EXTENDS A RIDGE SE THROUGH 25N125W TO ACROSS THE REVILLAGIGEDO ISLANDS. THE PRESSURE GRADIENT BETWEEN THIS RIDGING AND LOWER PRESSURES SW OF THE AREA N OF THE EQUATOR WILL CONTINUE TO SUPPORT FRESH TO STRONG TRADES FROM 07N TO 14N W OF 134W. THESE TRADES WILL PERSIST THROUGH MID-WEEK. THE RIDGE IS FORECAST TO EXPAND AND EXTEND EASTWARD TUE NIGHT THROUGH WED MORNING. THE RIDGING COMBINED WITH LOW PRESSURE TROUGHING OVER INTERIOR MEXICO WILL SUPPORT FRESH TO STRONG NW WINDS FROM 19N TO 20.5N OFFSHORE OF MEXICO...INCLUDING CABO CORRIENTES...AND BUILDING SEAS TO 8 FT. THE PRESSURE GRADIENT WILL RELAX BY WED AFTERNOON ALLOWING FOR THE WINDS TO DIMINISH. A TIGHT PRESSURE GRADIENT IS FORECAST TO DEVELOP OFFSHORE OF THE CALIFORNIA COAST BETWEEN THE HIGH PRESSURE RIDGING W OF THE AREA AND TROUGHING OVER THE INLAND UNITED STATES. THIS PATTERN WILL SUPPORT THE DEVELOPMENT OF FRESH TO NEAR GALE FORCE NORTHERLY WINDS OFFSHORE OF CALIFORNIA. FRESH NW SWELL GENERATED BY THESE WINDS WILL PROPAGATE TO THE SE ACROSS THE WATERS N OF 24N BETWEEN 114W AND 124W BY WED EVENING. LATER IN THE WEEK..THE WINDS WILL ALSO SPREAD SOUTHWARD INTO THE DISCUSSION WATERS THU INTO THE UPCOMING WEEKEND ALONG AND OFFSHORE OF THE PACIFIC COAST OF THE BAJA CALIFORNIA PENINSULA W TO 125W BY FRI EVENING. $$ LEWITSKY