000
AXPZ20 KNHC 281526
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC TUE NOV 28 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG...4N77W 7N105W 6N120W 9N140W. 
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS 60 NM 
EITHER SIDE OF THE ITCZ AXIS FROM 119W TO 129W.
 
...DISCUSSION...

UPPER LEVELS...
LONGWAVE TROUGH IS NORTH OF A LINE THROUGH 32N98W TO 24N110W 
28N130W TO 32N132W.  THE AREA NORTH OF THE LINE IS DRY AND CLOUD 
FREE IN THE MIDDLE AND UPPER LEVELS.  STRONG DRYING AND IMPLIED 
UPPER LEVEL SUBSIDENCE IS NOTED OVER THE CENTRAL PART OF THE SEA 
OF CORTEZ AND THE BAJA CALIFORNIA PENINSULA.

THE REMAINDER OF THE AREA NORTH OF 5N IS COVERED BY WEAK 
ANTICYCLONIC FLOW.  BROKEN MIDDLE AND HIGH CLOUDS ARE NOTED 
SOUTH OF THE ABOVE TROUGH TO 10N WEST OF 120W.

VERY DRY AIR IS NOTED EAST OF 105W EXCEPT FOR TWO AREAS OF ITCZ 
CONVECTION.  THESE AREA ARE PUTTING MOISTURE IN THE UPPER LEVELS 
IN THE AREA EAST OF 85W BETWEEN 3.5N TO 7.4N AND ALSO WITHIN 90 
NM OF THE POINT 4.3N90.2W.

BROKEN STRATOCUMULUS CLOUDS ARE OBSERVED NORTH OF 20N WEST OF 
112W AND ALSO NORTH OF THE ITCZ WEST OF 126W.

SURFACE...
MODERATE RIDGE IS NORTH OF 15N WEST OF 110W.  ELSEWHERE BROAD 
TROUGH IS ANALYZED.

$$
LL