000
AXPZ20 KNHC 310345
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI DEC 31 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...

ITCZ AXIS FROM 05N78W TO 05N90W TO 09N117W 08N130W 08N140W. 
SCATTERED MODERATE FROM 07N TO 10N BETWEEN 107W AND 107W. 1007 
MB LOW IS EMBEDDED ON THE ITCZ NEAR 07N79W. SCATTERED MODERATE 
FROM 04N TO 07N BETWEEN 78W AND 82W. SURFACE TROUGH IS ALSO 
EMBEDDED ON THE ITCZ FROM 12N116W TO 06N120W. SCATTERED MODERATE 
ISOLATED STRONG FROM 07N TO 11N BETWEEN 112W AND 123W. 

...DISCUSSION...

A 1024 MB HIGH IS CENTERED NEAR 34N134W. A DISSIPATING COLD 
FRONT EXTENDS FROM N MEXICO NEAR 30N108W TO W OF BAJA CALIFORNIA 
AT 23N113W. AN UPPER LEVEL TROUGH IS N OF 5N BETWEEN 95W AND 
130W SUPPORTING THE DISSIPATING COLD FRONT. AN AREA OF 20 KT 
WINDS MAINLY N OF 26N E OF 127W WITH SEAS TO 15 FT. THIS WIND 
FIELD IS EXPECTED TO SUBSIDE THEREAFTER AS THE WIND FIELD 
GRADUALLY DIMINISHES AS STRONG HIGH PRESSURE LOCATED OFF TO THE 
NW OF THE REGION BUILDS IN BY LATE FRIDAY. 
  
GAP WINDS...
N TO NE WINDS THROUGH THE GULF OF PAPAGAYO ARE EXPECTED TO START 
EARLY FRIDAY DUE TO STRONGER TRADES OVER THE WESTERN CARIBBEAN 
AND MORNING MOUNTAIN DRAINAGE. THESE GAP WINDS ARE EXPECTED TO 
PERSIST FOR THE NEXT 48 HOURS. 

$$
FORMOSA