000 AXPZ20 KNHC 041519 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1605 UTC THU DEC 04 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. ...SPECIAL FEATURE... GULF OF TEHUANTEPEC GALE WARNING...THE 30-35 KT GALE CONDITIONS RESULT IN SEAS TO 15 FT ABOUT 100 NM OFFSHORE. EXPECT THE GALE CONDITIONS TO END BY EARLY THIS AFTERNOON. THE NOCTURNAL NORTHERLY SURGE ON TONIGHT INTO FRI MORNING SHOULD MAX AT 30 KT...AND THEN ONLY 25 KT ON FRI NIGHT INTO SAT MORNING. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 8N78W TO 5N95W TO 6N100W. ITCZ FROM 6N100W TO 10N130W TO 8N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 4N-8N BETWEEN 126W-133W. ...DISCUSSION... MOSTLY ZONAL FLOW THROUGH A BROAD UPPER LEVEL RIDGE N OF 25N W OF 120W. AN UPPER LEVEL TROUGH IS ACROSS BAJA CALIFORNIA. A 75 TO 95 KT JETSTREAM EXTENDS FROM 27N140W TO 28N124W ACROSS CENTRAL BAJA CALIFORNIA INTO NW MEXICO. AN UPPER LEVEL RIDGE EXTENDS FROM AN ANTICYCLONIC CIRCULATION CENTERED NEAR 14N115W NE INTO NORTHERN MEXICO. IN THE DEEP TROPICS AN UPPER LEVEL TROUGH EXTENDS FROM A CYCLONIC CIRCULATION NEAR 11N93W TO 4N111W. ELY WINDS 20-25 KT CONTINUE TO BLOW THROUGH THE GULF OF PAPAGAYO. THESE WINDS ARE FORECAST TO DECREASE TO LESS THAN 20 KT LATER THIS AFTERNOON. NW SWELL IN THE 8-10 FT RANGE IS NW OF A LINE 32N135W TO 9N118W. THE SWELL PROPAGATE SE IN THE AREA S OF 15W W OF 123W FRI. A COLD FRONT WILL MOVE INTO THE NW PORTION OF THE DISCUSSION AREA FRI EXTENDING FROM 32N134W TO 26N140W WITH NW SWELL TO 9 FT BEHIND THE FRONT. THE FRONT WILL DISSIPATE SAT...HOWEVER NW SWELL TO 9 FT WILL BE W OF A LINE FROM 32N130W TO 24N140W. $$ DGS