000
AXPZ20 KNHC 140337
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC SUN DEC 14 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.  
      
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
           
MONSOON TROUGH EXTENDS FROM 08N84W TO 05N95W. ITCZ EXTENDS FROM 
05N95W TO 08N107W THEN RESUMES FROM 08N110W TO 06N130W TO 
07N140W. WIDELY SCATTERED MODERATE CONVECTION IS FROM 04N TO 10N 
E OF 86W. SCATTERED MODERATE FROM 06N TO 09N BETWEEN 107W AND 
110W.

...DISCUSSION...

A 1023 MB HIGH IS CENTERED OFF THE COAST OF S CALIFORNIA NEAR 
32N125W. A DISSIPATING COLD FRONT EXTENDS FROM NW MEXICO AT 
30N110W TO 25N114W THEN STATIONARY TO 20N132W. SCATTEROMETER 
PASSES INDICATED LIGHT TO MODERATE WINDS OVER THE AREA N OF 15N 
AS THE FRONT WEAKENS AND THE HIGH PRES BUILDS INTO THE AREA. 
ALTIMETER SATELLITE DATA INDICATE SEAS UP TO 12 TO 13 FT W OF 
THE FRONT...WITH 8 TO 12 FT SEAS ENCOMPASSING THE REMAINDER OF 
THE AREA W OF 100W.

A NEW COLD FRONT CURRENTLY OVER THE N CENTRAL PACIFIC HAS JUST 
REACHED 30N140W. A SMALL PATCH OF FRESH TO STRONG SW WINDS WILL 
PRECEDE THE NEW FRONT IN THE FAR NW CORNER TONIGHT. A 
REINFORCING SET OF NW SWELL WILL ARRIVE BEHIND THIS NEW FRONT 
WITH SEAS BUILDING UP TO 19 FT NEAR 30N140W LATE SUN MORNING.

A WEAK TROUGH OR PERTURBATIONS IS EMBEDDED IN THE ITCZ ALONG 
109W. MODERATE TO LOCALLY FRESH TRADE WINDS ARE NOTED SOUTH OF 
THE RIDGE W OF 110W.

GULF OF TEHUANTEPEC...20 TO 25 KT N TO NE WINDS WITH SEAS TO 8 
FT PERSIST DOWNSTREAM FROM THE GULF OF TEHUANTEPEC. WINDS ARE 
EXPECTED TO BE 20 KT OR LESS SUN MORNING AS THE GRADIENT 
CONTINUES TO RELAX.

GULF OF PAPAGAYO...FRESH TO STRONG NE GAP WINDS HAVE DIMINISHED 
AND WILL LIKELY ONLY PULSE TO FRESH LEVELS LATE TONIGHT INTO 
EARLY SUN. 

$$
FORMOSA