000
AXPZ20 KNHC 040257
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON APR 4 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 0300 UTC.

...ITCZ...

AXIS IS CENTERED ALONG 06N77W TO 04N100W TO 02N116W TO 04N130W 
TO 02N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 
45 NM OF AXIS BETWEEN 84W AND 93W.

...DISCUSSION...

SURFACE HIGH PRESSURE 1029 MB IS CENTERED N OF THE AREA NEAR 
37N134W. SURFACE LOW 1013 MB NEAR 22N131W AND A TROUGH EXTENDS 
FROM 25N133W TO 18N131W. 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 THROUGH MON MORNING... 
BUT WINDS WILL BEGIN TO DIMINISH MON AFTERNOON AS THE HIGH 
WEAKENS AND THE LOW DISSIPATES. 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. 

GAP WINDS...

FRESH TO STRONG TRADE WINDS IN THE SW CARIBBEAN ARE FUNNELING 
THROUGH CENTRAL AMERICA INTO THE GULF OF PAPAGAYO. WINDS WILL 
PEAK MON MORNING THEN WEAKEN MON FROM NOCTURNAL DRAINAGE FLOW. 

STRONG HIGH PRES ASSOCIATED WITH A COLD FRONT EXPECTED TO SWEEP 
INTO THE SW GULF OF MEXICO TUE WILL INITIATE A HIGH WIND EVENT 
TUE EVENING IN THE GULF OF TEHUANTEPEC...WITH WINDS NEAR GALE.

$$
MUNDELL