000
AXPZ20 KNHC 032145
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SUN APR 3 2011

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

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY 
THROUGH 2100 UTC.

...ITCZ...

AXIS IS CENTERED ALONG 06N78W TO 04N92W TO 04N100W TO 02N116W TO 
04N130W TO 02N140W. SCATTERED MODERATE CONVECTION WITHIN 75 NM 
OF AXIS E OF 100W.

...DISCUSSION...

SURFACE HIGH PRESSURE 1030 MB IS CENTERED N OF THE AREA NEAR 
34N137W. A SURFACE TROUGH EXTENDS FROM 28N133W TO 20N131W. THE 
PRESSURE GRADIENT BETWEEN THESE FEATURES IS SUPPORTING FRESH TO 
STRONG NE WINDS NW OF A LINE FROM 30N123W TO 19N140W. NW SWELL 
WITH SEAS TO 14 FT PREVAILS OVER THIS AREA. LITTLE CHANGE IS 
EXPECTED CONTINUE THROUGH MON MORNING...BUT WINDS WILL BEGIN TO 
DIMINISH MON AFTERNOON AS THE HIGH WEAKENS AND MOVES S. SEAS 
WILL GRADUALLY SUBSIDE TO 8 TO 10 FT BY EARLY TUE. 

NW SWELL TO 9 FT PREVAILS OVER MUCH OF THE AREA W OF 100W. SEAS 
WILL STEADILY DIMINISH IN THIS AREA OVER THE NEXT 48 HOURS. SEAS 
WILL INCREASE TO 8 TO 10 FT S OF 10N TUE BETWEEN 100W AND 130W 
IN SW SWELL. 

FRESH TO STRONG TRADE WINDS IN THE SW CARIBBEAN ARE FUNNELING 
THROUGH CENTRAL AMERICA INTO THE GULF OF PAPAGAYO. 20 KT WINDS 
WILL PEAK EACH MORNING THROUGH TUE FROM NOCTURNAL DRAINAGE FLOW. 

$$
MUNDELL