000
AXPZ20 KNHC 250930
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI MAR 25 2011

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE AXIS IS ANALYZED FROM 04N77W 
TO 04N120W TO 05N140W. SCATTERED MODERATE CONVECTION WITHIN 150 
NM N OF AXIS BETWEEN 124W AND 129W. 

...DISCUSSION...

PERSISTENT HIGH PRES RIDGE EXTENDING FROM NW OF THE AREA TO NEAR 
25N120W WILL BE THE DOMINANT WEATHER FEATURE THROUGH THE WEEKEND.
THE PRES GRADIENT BETWEEN THE RIDGE AND TROUGHING OVER MEXICO IS 
SUPPORTING FRESH 20 KT NW WINDS W OF BAJA CALIFORNIA... AND THE
GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURE NEAR THE ITCZ IS 
MAINTAINING FRESH TO STRONG TRADES FROM 07N TO 20N W OF 125W. 
THE RIDGE WILL PREVAIL OVER THE NW PART OF THE AREA THROUGH THE 
FORECAST PERIOD AND MAINTAIN THESE TWO AREAS OF HIGHER WINDS.

THE REGIONAL WATERS ARE PRIMARILY DOMINATED BY LONG PERIOD NW 
SWELL...MERGING SOMEWHAT WITH CROSS EQUATORIAL SW SWELL S OF 
10N. ANOTHER SET OF LONG PERIOD NW SWELL WILL MOVE INTO THE N 
PART OF THE AREA...WITH SIGNIFICANT WAVE HEIGHTS AS HIGH AS 17 
FT N OF 25N BETWEEN 118W AND 132W. THE SWELL WILL PROPAGATE S 
AND E ACROSS THE AREA W OF 110W THROUGH THE FORECAST PERIOD. 

$$
MUNDELL