000 AXPZ20 KNHC 010920 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC SAT MAR 1 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0900 UTC. AN UNUSUALLY STRONG OCCLUDED LOW N OF THE AREA MOVING EASTWARD INTO THE CENTRAL CALIFORNIA COAST IS DOMINANT SYNOPTIC FEATURE IN EASTERN PACIFIC AND DWARFS SMALLER SCALE TRADE WIND FEATURES IN THE TROPICS. HI-RES ASCAT PASS AT 0620 UTC SHOWED GALE FORCE WINDS N OF 30N BETWEEN 125W AND 135W. THE LARGE WIND FIELD ASSOCIATED WITH THIS CYCLONE HAS DRIVEN SEAS CLOSE TO 30 FT. A TANKER SHIP OVERSEAS ANACORTES CALL SIGN KCHV LOCATED NEAR 31.2N 127.8W AT 0600 UTC REPORTED 40 KT W WINDS AND 29 FT SEAS...AN INDICATION THE SYSTEM IS GENERATING VERY LARGE SEAS...NORMALLY ASSOCIATED ONLY WITH TROPICAL CYCLONES IN THE EASTERN NORTH PACIFIC. LARGE NW SWELL WILL DOMINATE REGIONAL WATERS THROUGH SUN NIGHT...PRODUCING VERY LARGE AND POWERFUL SURF ALONG PACIFIC COASTLINES AND OFFSHORE REEFS...WITH DANGEROUS LIFE THREATENING RIP CURRENTS. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... ITCZ AXIS EXTENDS FROM 05N102W TO 07N117W TO 03N140W. NO SIGNIFICANT CONVECTION. ...DISCUSSION... WEAKENING 1016 MB HIGH W OF THE BAJA PENINSULA NEAR 23N116W. A WEAK PRES GRADIENT BETWEEN THE HIGH AND THE CONVERGENCE ZONE TO THE SOUTH IS SUPPORTING GENTLE TO MODERATE WINDS OVER MUCH OF THE FORECAST AREA. INCREASING SW FLOW AHEAD OF THE COLD FRONT...WITH WINDS PEAKING AT 20-25 KT. WINDS WILL DIMINISH THROUGH SUN N OF 28N AS THE FRONT PUSHES SE ACROSS CENTRAL BAJA PENINSULA. GAP WINDS... MODERATE TO FRESH PULSES WILL OCCUR IN THE GULF OF PAPAGAYO TONIGHT...WITH A STRONGER PULSE TO 25 KT EXPECTED TONIGHT INTO SUN AFTERNOON. $$ MUNDELL