000
AXPZ20 KNHC 010322
TWDEP 

TROPICAL WEATHER DISCUSSION                         
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC MON DEC 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.  

...SPECIAL FEATURE...    
                             
GULF OF TEHUANTEPEC GALE WARNING...NOCTURNAL NORTHERLY DRAINAGE 
WINDS TONIGHT WILL INTENSIFY MON MORNING. HIGH PRES WILL BUILD 
OVER EASTERN MEXICO AND TIGHTEN THE PRES GRADIENT IN SE MEXICO 
MON AFTERNOON ALLOWING N-NE WINDS TO INCREASE TO 20-30 KT. WINDS 
WILL INCREASE TO MINIMAL GALE FORCE BY LATE MON NIGHT WITH SEAS 
UP TO 14 FT ABOUT 90-120 NM OFFSHORE TUE NIGHT AND WED.
        
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 
           
THE MONSOON TROUGH EXTENDS FROM 06N78W TO 08N84W TO 06N93W TO 
07N108W. ITCZ EXTENDS FROM 07N108W TO 13N119W TO 14N131W TO 
11N140W. SMALL AREA OF SCATTERED MODERATE CONVECTION WITHIN 45 
NM OF 13N131.5W. 

...DISCUSSION...                                                 

WATER VAPOR IMAGERY SHOWS A DEEP TROUGH OVER FAR NW PORTION AND 
SUBTROPICAL JET BRANCH WITH MAXIMUM WINDS OF 60-90 KT AT BASE OF 
THE TROUGH TRANSPORTING MOISTURE FROM TROPICAL CENTRAL PACIFIC 
TROPICS NEWD TO BAJA CALIFORNIA.

NEARLY STATIONARY 1016 MB HIGH PRES IS CENTERED NEAR 25N118W. A 
COLD FRONT EXTENDS FROM 30N136W TO 28N140W. THE COLD FRONT WILL 
BE ACCOMPANIED BY 20-30 KT WESTERLY WINDS AND SEAS BUILDING TO 
12-15 FT MON MORNING THEN INCREASE TO 16-20 FT MON AFTERNOON. 
THE FRONT WILL BEGIN TO STALL AND WEAKEN TO A FRONTAL TROUGH TUE 
NIGHT WITH SEAS SLOWLY SUBSIDING TO 12-15 FT THROUGH TUE NIGHT.
                                         
GULF OF PAPAGAYO...PRES GRADIENT IN W CARIBBEAN WILL MAINTAIN 
PULSING 20-25 KT NE WINDS DOWNSTREAM OF THE GULF OF PAPAGAYO 
THROUGH TUE...WITH HIGHEST WINDS AND SEAS IN THE EARLY MORNINGS.
   
$$
MUNDELL