000
AXPZ20 KNHC 161516
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC THU DEC 16 2010

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W.

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...

INTERTROPICAL CONVERGENCE ZONE AXIS IS FROM 03N78W TO 08N87W TO 
03N93W TO 09N105W TO 05N117W TO 09N128W TO 08N140W. NO 
SIGNIFICANT CONVECTION.

...DISCUSSION...

A WEAK 1016 SURFACE HIGH PRESSURE IS CENTERED NEAR 27N120W WITH 
RIDGE EXTENDING TO NEAR 17N109W. A COLD FRONT IS ACROSS THE FAR 
NW PART OF THE AREA EXTENDING FROM 30N132W TO 26.5N140W. WINDS 
OF 20 KT AND SEAS TO 9 FT CAN BE FOUND AHEAD AND BEHIND THE 
FRONT. THE FRONT IS FORECAST TO MOVE EWD ACROSS THE N WATERS 
BEFORE DISSIPATING LATE FRI. A SECOND COLD FRONT WILL CLIP THE 
NW PORTION OF THE AREA LATE FRI/EARLY SAT. THIS FRONT WILL BE 
ACCOMPANIED BY ANOTHER NW SWELL.

WINDS AND SEAS ACROSS THE REMAINDER OF THE FORECAST AREA WILL BE 
RELATIVELY QUIET THE NEXT FEW DAYS...INCLUDING FAVORED LOCATIONS 
FOR GAP WINDS.

GAP WINDS...
WINDS OVER THE GULF OF FONSECA HAVE DIMINISHED BELOW 20 KT. 
WINDS IN THE GULF OF PAPAGAYO WILL ALSO DIMINISH BELOW 20 KT 
THIS AFTERNOON. WINDS OVER THE GULF OF PANAMA WILL MAINTAIN NEAR 
20 KT OVER THE NEXT 24 HOURS...THEN WILL DIMINISH BELOW 20 KT 
FRI AFTERNOON. 

$$

AL