000
AXPZ20 KNHC 200307
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT NOV 20 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...
THE INTERTROPICAL CONVERGENCE ZONE AXIS IS ALONG 08N83W TO 
09N93W TO 06N105W TO 11N116W THEN RESUMES AT 10N122W TO 11N133W 
TO 10N140W. SCATTERED MODERATE CONVECTION IS NOTED WITHIN 90 NM 
N AND 30 NM S OF AXIS W OF 123W. 

...DISCUSSION...
A WEAK 1020 MB SURFACE HIGH NEAR 24N127W WILL DISSIPATE OVER THE 
NEXT 24 HOURS AS A COLD FRONT APPROACHES THE AREA FROM THE NW.  
THE FRONT IS FORECAST TO ENTER THE NW WATERS OVERNIGHT FOLLOWED 
BY N TO NE WINDS OF 20 TO 25 KT AND A NEW BATCH OF NW SWELL WITH 
SEAS UP TO 11 FT. 

GAP WINDS...
A GALE WARNING REMAINS IN EFFECT ACROSS THE GULF OF TEHUANTEPEC 
WHERE WINDS OF 25 TO 35 KT ARE STILL BLOWING. WINDS ARE FORECAST 
TO DIMINISH BELOW GALE FORCE IN ABOUT 12 HOURS. 

FRESH TO STRONG WINDS OVER THE WESTERN CARIBBEAN WILL FUNNEL 
THROUGH THE CENTRAL AMERICA PASSES...BRINGING FRESH WINDS INTO 
THE GULF OF PAPAGAYO. WINDS WILL PULSE WITH THE STRONGEST WINDS 
DURING THE OVERNIGHT AND EARLY MORNING HOURS WITH THE AID OF 
NOCTURNAL DRAINAGE FLOW OFF THE MOUNTAINOUS TERRAIN. 

$$
AL