000
AXPZ20 KNHC 060314
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI MAY 06 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 
0245 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE AXIS IS CENTERED ALONG 05N77W 
TO 10N109W THEN CONTINUES FROM 10N113W TO 04.5N140W. SCATTERED 
MODERATE CONVECTION WAS NOTED WITHIN 90 NM S OF AXIS BETWEEN 81W 
AND 87W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED 
WITHIN 120 NM EITHER SIDE OF AXIS BETWEEN 87W AND 93W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WAS NOTED WITHIN 120 NM S OF 
AXIS BETWEEN 93W AND 97W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WAS NOTED WITHIN 120 NM N OF AXIS BETWEEN 97W AND 
105W. 

...DISCUSSION...

HIGH PRESSURE 1030 MB IS CENTERED NEAR 34N152W WITH RIDGE 
EXTENDING SE TO NEAR 19N110W. THE PRESSURE GRADIENT BETWEEN THIS 
FEATURE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS 
MAINTAINING A SMALL AREA OF FRESH 20 KT TRADES FROM 05N TO 12N W 
OF 131W. THE RIDGE WILL REMAIN OVER THE SAME GENERAL AREA OVER 
THE NEXT COUPLE OF DAYS...MAINTAINING THIS SMALL AREA OF FRESH 
20 KT TRADES THROUGH THE FORECAST PERIOD. 

GAP WINDS...
SURFACE WINDS OVER THE GULF OF TEHUANTEPEC ARE BETWEEN 20 AND 30 
KT. THE SURFACE WINDS WILL DIMINISH OVER THE NEXT 36 HOURS...AND 
WILL FALL BELOW 20 KT BY SAT AFTERNOON. NE SWELLS THAT RESULTED 
FROM THIS GALE EVENT ARE CURRENTLY AFFECTING THE AREA FROM 02N 
TO 14N BETWEEN 90W AND 110W WITH SEAS OF 8 TO 11 FT. THE SWELL 
WILL CONTINUE TO SPREAD S AND W WHILE SUBSIDING OVER THE NEXT 48 
HOURS...WITH SEAS SUBSIDING BELOW 8 FT BY SAT AFTERNOON. 

FRESH TO STRONG 20 KT WINDS CONTINUE OVER THE GULF OF PAPAGAYO. 
THESE WINDS WILL CONTINUE THROUGH SATURDAY MORNING BEFORE 
DIMINISHING BELOW 20 KT BY SAT AFTERNOON. 

$$
AL