000
AXPZ20 KNHC 110232
TWDEP 

TROPICAL WEATHER DISCUSSION                  
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC FRI APR 11 2014

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

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

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
 
THE ITCZ EXTENDS FROM 08N87W TO 05N100W TO 04N128W TO 03N140W. 
SCATTERED MODERATE CONVECTION WAS NOTED WITHIN 60 NM OF AXIS 
BETWEEN 88W AND 96W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WAS NOTED WITHIN 60 NM S AND 120 NM N OF AXIS BETWEEN 
96W AND 102W.

...DISCUSSION...                                                

HIGH PRESSURE THAT WAS OVER THE NW GULF OF MEXICO HAS SHIFTED 
NE. THIS HAS LOOSENED THE PRESSURE GRADIENT WHICH HAS FURTHER 
DIMINISHED WINDS FUNNELING INTO THE GULF OF TEHUANTEPEC. WINDS 
DIMINISHED BELOW GALE FORCE THIS AFTERNOON. WINDS TO 25 KT 
PREVAIL OVER THE GULF OF TEHUANTEPEC THIS EVENING. WINDS WILL 
CONTINUE TO SLOWLY DIMINISH OVER THE NEXT 24 HOURS...AND WILL 
FALL BELOW 25 KT BY FRI AFTERNOON. SEAS ASSOCIATED WITH THIS GAP 
WIND EVENT CONTINUE TO SUBSIDE WITH SEAS NEAR 11 FT THIS 
EVENING. THE SWELL WILL CONTINUE TO SPREAD S AND W OVER THE NEXT 
COUPLE OF DAYS WHILE SLOWLY SUBSIDING. BY SAT EVENING...SEAS 
GREATER THAN 8 FT WILL REACH AS FAR W AS 125W.

WINDS OVER THE GULF OF PAPAGAYO DIMINISHED BELOW GALE FORCE THIS 
AFTERNOON. WINDS IN THE 25 KT RANGE WILL PREVAIL OVER THE GULF 
OF PAPAGAYO THROUGH SAT AFTERNOON. 

LOW PRESSURE OF 1011 MB IS CENTERED OVER THE NW WATERS NEAR  
29N136W WITH ASSOCIATED COLD FRONT EXTENDING OVER THE FORECAST 
WATERS FROM 30N132W TO 21N136W. THE PRESSURE GRADIENT OVER THE 
FORECAST AREA IS MAINTAINING MODERATE TO FRESH TRADEWINDS S OF 
18N AND W OF 115W. AN AREA OF SEAS TO 9 FT IN MIXED SE AND NW 
SWELLS ARE FOUND OVER FORECAST WATERS S OF 02N BETWEEN 111W AND 
123W. BY FRIDAY...THIS AREA OF SWELLS WILL MIX WITH NE SWELLS 
GENERATED FROM THE GULFS OF TEHUANTEPEC AND PAPAGAYO GAP WIND 
EVENTS.

$$ 
AL