000
AXPZ20 KNHC 051523
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI DEC 05 2008

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 
1515 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE LIES ALONG A LINE FROM 05N78W 
TO 07N100W TO 08N120W TO 07N140W. SCATTERED MODERATE ISOLATED 
STRONG CONVECTION IS LOCATED WITHIN 120 NM EITHER SIDE OF A LINE 
FROM 05N95W TO 09N102W...FROM 07N TO 10N BETWEEN 120W AND 
127W...AND WITHIN 90 NM EITHER SIDE OF A LINE FROM 12N130W TO 
07N137W.

...DISCUSSION...

W OF 110W...
A WELL-DEFINED MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS 
CENTERED NEAR 27.5N133W AND IS NEARLY STATIONARY. A TROUGH AXIS 
EXTENDS SW FROM THIS FEATURE TO ANOTHER LARGER CYCLONIC 
CIRCULATION CENTERED NEAR 16N145W. A LARGE AREA OF SOUTHWESTERLY 
TO WESTERLY FLOW ALOFT COVERS THE AREA ROUGHLY N OF 10N E OF 
130W. THE CIRCULATION AT 27.5N133W IS FORECAST TO MOVE SW AND 
ANOTHER CYCLONIC CIRCULATION TO FORM OFF THE SOUTHERN CALIFORNIA 
COAST OVER THE NEXT 48 HOURS. AT THE SURFACE A TROUGH IS LOCATED 
ALONG 128W FROM 06N TO 15N. NORTHWESTERLY SWELL IN THE 8 TO 10 
FOOT RANGE IS LOCATED W OF A LINE FROM 30N117W TO 10N125W TO 
03N140W. 

E OF 110W...
LIGHT TO MODERATE SOUTHWESTERLY WINDS ALOFT ARE LOCATED OVER 
MOST OF THE AREA E OF 110W ACROSS MEXICO AND CENTRAL AMERICA. 
WATER VAPOR IMAGERY INDICATES SUBSIDENCE OVER THIS AREA. AT THE 
SURFACE A MINIMAL GALE IS LOCATED OVER THE GULF OF TEHUANTEPEC 
WITH SEAS 8 TO 10 FT. CONDITIONS ARE FORECAST TO DROP BELOW GALE 
FORCE IN 30 HOURS.

$$
CAB