000 AXPZ20 KNHC 302200 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC THU JAN 30 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... MONSOON TROUGH EXTENDS FROM 04N77W TO 06N88W. ITCZ EXTENDS FROM 06N88W TO 04N100W TO 06N117W TO 07N140W. SCATTERED MODERATE CONVECTION IS FROM 04N TO 10N BETWEEN 107W AND 115W...AND FROM 06N TO 10N BETWEEN 133W AND 140W. ...DISCUSSION... AN UPPER LEVEL RIDGE IS OVER THE NW CORNER WITH AXIS FROM 10N135W TO 30N135W. A CUTOFF UPPER LEVEL LOW IS CENTERED NEAR 13N118W. UPPER LEVEL DIFFLUENCE E OF THE CENTER IS ENHANCING CONVECTION FROM 05N TO 15N BETWEEN 107W AND 118W. FURTHER E...A LARGE UPPER LEVEL RIDGE IS E OF 100W WITH AXIS ALONG 80W. STRONG SUBSIDENCE IS E OF 100W. ON THE SURFACE...A WEAK RIDGE PREVAILS ACROSS NORTHWESTERN WATERS N OF 20N W OF 120W...SUPPORTING MODERATE TO FRESH TRADES W OF 120W AND 4-5 FT WIND WAVES. LINGERING FT NW SWELL W OF 118W WILL CONTINUE TO SHRINK IN SIZE AND DECAY THROUGH FRI. COMBINED COMPONENT OF NW SWELL AND WIND WAVES WILL PRODUCE 8-9 FT SEAS FROM 06N-20N W OF 130W THROUGH SAT. PLUME OF NE SWELL GENERATED BY HIGH WINDS DOWNSTREAM FROM GULFS OF TEHUANTEPEC AND PAPAGAYO WILL DOMINATE SEAS E OF 100W. FRESH TO STRONG NW WINDS NEAR THE COAST OF SOUTHERN CALIFORNIA AND NORTHERN BAJA WILL PRODUCE AN AREA OF HIGH SEAS TO 9 FT N OF 28N BETWEEN 118W AND 125W BY SAT AFTERNOON. 20-30 KT NE WINDS ARE OVER THE GULF OF TEHUANTEPEC. WINDS ARE FORECAST TO DECREASE TO LESS THAN 20 KT FRI AFTERNOON. 20-25 KT NE WINDS GAP WINDS ARE EXPECTED OVER THE GULF OF PAPAGAYO TONIGHT WITH SEAS TO 8 FT. WINDS WILL PULSE 20-25 KT THROUGH SAT AFTERNOON WITH SEAS 8 TO 10 FT. $$ FORMOSA