000
AXPZ20 KNHC 251526
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SAT NOV 25 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...
AXIS ALONG...3N77W 7N105W 9N120W 6N140W. SCATTERED MODERATE WITH 
ISOLATED STRONG CONVECTION IS WITHIN 100 NM EITHER SIDE OF THE 
ITCZ AXIS FROM 109W TO 120W.  SCATTERED MODERATE TO STRONG 
CONVECTION IS WITHIN 90 NM OF THE POINT 9.1N123.2W.

...DISCUSSION...

UPPER LEVELS...
LONGWAVE UPPER TROUGH IS NORTH OF A LINE FROM 27N110W TO 22N120W 
TO 25N140W.  SOME HIGH CLOUDS ARE OVER THE MIDDLE OF THE BAJA 
PENINSULA OTHERWISE THE AREA IS CLEAR IN THE MIDDLE AND UPPER 
LEVELS.  THE AREA IS VERY DRY IN THE MIDDLE AND UPPER LEVELS 
WEST OF 130W IMPLYING UPPER LEVEL SUBSIDENCE.  THE AREA IN THE 
LOWER LEVELS SOUTH OF 30N EAST OF 133W IS COVERED BY OVERCAST 
STRATOCUMULUS CLOUDS.  ELSEWHERE BROKEN STRATOCUMULUS CLOUDS ARE 
WITHIN THE TROUGH AREA.

ELSEWHERE A WEAK PRESSURE PATTERN OR WEAK RIDGE IS OBSERVED.  
VERY DRY AIR IN THE MIDDLE AND UPPER LEVELS IS FOUND NORTH OF 
THE ITCZ FROM 87W TO 110W.  

SURFACE...
MODERATE RIDGE IS NORTH OF 15N WEST OF 115W.  ELSEWHERE BROAD 
TROUGH IS OBSERVED.

GAP WINDS CONTINUE TO 20 TO 25 KT THROUGH TEHUANTEPEC AND SHOULD 
SLOWLY DIMINISH THROUGH 48 HOURS.

$$
LL