000
AXPZ20 KNHC 250239
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI MAR 25 2011

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0230 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE AXIS IS ANALYZED FROM 08N83W 
TO 03N114W TO 05N128W TO 03N140W WITH SCATTERED MODERATE 
ISOLATED STRONG CONVECTION WITHIN 150 NM N OF AXIS BETWEEN 124W 
AND 129W. 

...DISCUSSION...

HIGH PRESSURE 1031 MB CENTERED NEAR 33N159W HAS RIDGE EXTENDING 
INTO THE FORECAST AREA NEAR 27N140W TO 26N120W. THE PRESSURE 
GRADIENT BETWEEN THE RIDGE AND TROUGHING OVER MEXICO IS 
SUPPORTING FRESH 20 KT NW WINDS OFF THE W COAST OF BAJA 
CALIFORNIA. THE PRESSURE 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 N 
PART OF THE AREA THROUGH THE FORECAST PERIOD AND WILL MAINTAIN 
THE WINDS OFF THE COAST OF BAJA CALIFORNIA AS WELL AS THE AREA 
OF TRADEWINDS.

THE REGIONAL WATERS ARE PRIMARILY DOMINATED BY LONG PERIOD NW 
SWELL...MERGING WITH CROSS EQUATORIAL SW SWELL MAINLY S OF 10N. 
ANOTHER SET OF LONG PERIOD NW SWELL HAS MOVED INTO THE N PART OF 
THE AREA...WITH SIGNIFICANT WAVE HEIGHTS AS HIGH AS 17 FT N OF 
26N BETWEEN 120W AND 130W. THE SWELL WILL PROPAGATE S AND E 
ACROSS THE AREA W OF 110W THROUGH THE FORECAST PERIOD. 

$$
AL