000 AXPZ20 KNHC 060330 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC MON DEC 6 2010 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0300 UTC. ...ITCZ... INTERTROPICAL CONVERGENCE ZONE AXIS FROM 08N80W TO 06N91W TO LOW PRES NEAR 08N109W TO 10N131W TO 07N140W. SCATTERED MODERATE CONVECTION WITHIN 60 NM OF AXIS BETWEEN 126W AND 129W. ...DISCUSSION... 996 MB GALE FORCE LOW NEAR 38N130W HAS COLD FRONT TRAILING INTO THE AREA FROM 30N124W TO 24N131W. WINDS AND SEAS ASSOCIATED WITH THIS LOW ARE BEGINNING TO DIMINISH AS IT ROTATES NE TOWARD THE NORTHERN CALIFORNIA COAST. A COLD FRONT WILL APPROACH THE FAR NW PORTION OF AREA MON MORNING THEN STALL AS A STATIONARY FRONT... WITH 20 TO 30 KT SW WINDS EXPECTED W OF 132W AHEAD OF THE FRONT THROUGH WED. MORE SIGNIFICANTLY... LONG PERIOD NW SWELL STEADILY BUILDS DUE TO LONG DURATION NEAR-GALE FORCE WINDS JUST NW OF THE AREA...TO AROUND 20 FT BY WED. LOW PRES ALONG THE ITCZ NEAR 08N109W WILL MOVE W ALONG THE ITCZ BECOMING A TROUGH ALONG 120W BY 72 HRS. 1707Z ASCAT PASS SHOWED 20 KT WINDS WITHIN 90 NM OF THE LOW...AIDED IN PART BY WINDS OUT OF THE GULF OF TEHUANTEPEC. FRESH WINDS WILL PERSIST THROUGH THE NEXT COUPLE OF DAYS AS THE LOW MOVES W. SEAS WILL STAY NEAR 8 FT IN THE AREA OF 20 KT WINDS...THEN SUBSIDE WED AS THE LOW WEAKENS. STRONGLY DIFFLUENT UPPER FLOW FROM 10N TO 20N W OF 130W ENHANCING THE DEVELOPMENT OF SCATTERED SHOWERS W OF A SURFACE TROUGH ALONG 17N129W TO 08N132W. THIS TROUGH IS FORECAST TO MOVE BENEATH THIS AREA OF DIFFLUENT FLOW AND AMPLIFY SLIGHTLY. GAP WINDS... GALE FORCE WINDS ARE AT PRESENT TIME OR WILL BE WITHIN THE NEXT 2-3 HOURS AS A COLD FRONT MOVES INTO THE SW GULF OF MEXICO AND HIGH PRES BUILDS OVER SOUTHERN MEXICO. WINDS MAY REACH 40-45 KT WITH SEAS BUILDING TO 15 FT MON. 20-25 KT WINDS WILL PULSE OVER THE GULF OF PAPAGAYO MAINLY AT NIGHT DUE TO DRAINAGE INFLUENCES. $$ MUNDELL