000
AXPZ20 KNHC 292158
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC WED NOV 29 2006

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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2000 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 4N78W 5N90W 5N100W 6N110W 6N121W 
7N130W 7N140W. SCATTERED MODERATE ISOLATED STRONG FROM WITHIN 60 
NM EITHER SIDE OF AXIS BETWEEN 127W AND 132W...AND WITHIN 30 NM 
EITHER SIDE OF AXIS BETWEEN 81W AND 83W. SCATTERED MODERATE FROM 
5N TO 8N BETWEEN 132W AND 139W...AND WITHIN 30 NM EITHER SIDE OF 
AXIS BETWEEN 116W AND 119W.
 
...DISCUSSION...
UPPER...
CYCLONIC CIRCULATION NEAR 28N132W HAS TROUGH TO 20N130W AND 
12N138W. 15N W OF 127W. MID/UPPER LEVEL RIDGE IS N/S ALONG 118W. 
A TROUGH EXTENDS FROM CENTRAL MEXICO TO A CYCLONIC CIRCULATION 
NEAR 7N103W.
A LARGE RIDGE EXTENDS FROM THE WESTERN CARIBBEAN TO 15N100W. 
ANOTHER RIDGE EXTENDS SW FROM 14N110W TO 7N123W.

A LARGE AREA OF TROPICAL MOISTURE IS SEEN E OF 112W INTO MEXICO 
AND THE WESTERN USA. MOSTLY DRY CONDITIONS PREVAIL  W OF 112W.

AT THE SURFACE...
A MODERATE RIDGE EXTENDS FROM 32N130W TO 20N122W.

GAP WINDS...
GALE FORCE WINDS ARE EXPECTED TO BEGIN ACROSS THE GULF OF 
TEHUANTEPEC IN ABOUT 42 HRS AS STRONG HIGH PRESSURE BUILDS 
SWD OVER S TEXAS INTO NE MEXICO BEHIND AN ARCTIC COLD FRONT THAT 
MOVES INTO THE W GULF OF MEXICO THU. NE WINDS IN THE GULF OF 
PAPAGAYO MAY INCREASE TO 20 KT NEAR THE NEXT 48 HRS AS HIGH 
PRESSURE STRENGTHENS OVER THE W ATLANTIC AND CARIBBEAN.
 
$$
FETIRRE