000 AXPZ20 KNHC 091520 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1605 UTC FRI MAY 9 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1500 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... DISCONTINUOUS MONSOON TROUGH EXTENDS FROM 08N78W TO 09N94W THEN CONTINUES FROM 12N100W TO 07N105W TO 07N120W. ITCZ EXTENDS FROM 07N120W TO 04N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 02N TO 09N E OF 110W. ...DISCUSSION... RIDGE EXTENDS SE FROM 1026 MB HIGH CENTERED N OF THE AREA NEAR 31N137W TO NEAR 18N113W. THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURE NEAR THE ITCZ IS SUPPORTING MODERATE TO FRESH TRADE WINDS OVER WESTERN WATERS N OF THE ITCZ. PRESSURE GRADIENT WILL CHANGE VERY LITTLE THE NEXT COUPLE OF DAYS...MAINTAINING MODERATE TO FRESH TRADES. THE HIGH WILL DRIFT EASTWARD OVER THE NEXT COUPLE OF DAYS WHILE LOW PRESSURE DEEPENS IN THE SW UNITED STATES...CREATING A TIGHT PRESSURE GRADIENT NEAR THE CALIFORNIA COAST WITH NW WINDS N OF THE FORECAST AREA REACHING GALE FORCE WHILE WINDS IN THE FORECAST AREA W OF BAJA CALIFORNIA WILL BE 20 TO 25 KT. THE GALES WILL GENERATE A NW SWELL WHICH WILL SPREAD SOUTHWARD THIS WEEKEND...WITH COMBINED SEAS PEAKING AT 14-15 FT NEAR SUN MORNING. WEAKENING 1011 LOW CENTERED NEAR 16.5N102.5W WILL REMAIN NEARLY STATIONARY AND DISSIPATE DURING THE NEXT 24 HOURS. CROSS-EQUATORIAL SOUTHERLY SWELL IS SLOWLY SUBSIDING IN SOUTHERN WATERS. COMBINED SEAS ARE 8-9 FT E OF THE GALAPAGOS ISLANDS S OF 07N BETWEEN 81W AND 88W...AND ARE EXPECTED TO SUBSIDE BELOW 8 FT TONIGHT. A NEW SET OF SOUTHERLY SWELL WILL REACH SOUTHERN WATERS EARLY SUN...WITH SEAS TO 8 FT S OF 02S BETWEEN 98W AND 108W. $$ MUNDELL