000
AXPZ20 KNHC 180903
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1005 UTC WED JUN 18 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...TROPICAL WAVES...                                            

A TROPICAL WAVE IN THE W CARIBBEAN IS APPROACHING CENTRAL 
AMERICA. LATEST SCATTEROMETER PASS DEPICTS WINDS IN THE 20 KT 
RANGE FUNNELING THROUGH THE GAP IN CENTRAL AMERICA INTO THE GULF 
OF PAPAGAYO. THIS TROPICAL WAVE WILL CONTINUE MOVING WESTWARD 
AND WILL ENTER THE FAR EASTERN WATERS OVER THE NEXT 24 HOURS. 

A TROPICAL WAVE WITH AXIS NEAR 105W IS MOVING W AT 10 KT. THE 
WAVE IS PROPAGATING OVER A NARROW AND ELONGATED CYCLONIC 
CIRCULATION...WITHIN THE MONSOON TROUGH...EXTENDING BETWEEN 99W 
AND 108W AS DEPICTED BY THE LATEST ASCAT PASS. THERE IS MINIMAL 
CONVECTION IN THE VICINITY OF THE WAVE. 

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...  
 
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 09N108W WHERE LOW 
LEVEL WINDS SUGGEST A TRANSITION TO ITCZ WHICH EXTENDS TO 
08N120W TO 05N132W TO BEYOND 05N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION WAS NOTED WITHIN 180 NM OF ITCZ 
BETWEEN 109W AND 124W.

...DISCUSSION...                                                 

THE REMNANT LOW OF CRISTINA NEAR 23N117W CONTINUES TO WEAKEN AND 
AND IS EXPECTED TO FULLY DISSIPATE TODAY. HIGH PRESSURE OF 1021 
MB CENTERED NW OF THE AREA NEAR 37N149W EXTENDS A RIDGE SE TO 
NEAR 26N118W. THE PRESSURE GRADIENT BETWEEN THE AREA OF HIGH 
PRESSURE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS 
MAINTAINING GENTLE TO MODERATE WINDS OVER THE WESTERN WATERS. 
LITTLE CHANGE IS EXPECTED IN THOSE CONDITIONS OVER THE NEXT 2 
DAYS. 

LONG PERIOD S TO SW SWELL CONTINUES TO SPREAD NORTHWARD SOUTH OF 
THE EQUATOR. COMBINED SEAS TO 8 FT WILL CROSS NORTH OF THE 
EQUATOR EARLY THU MORNING. THE 8 FT SEAS WILL REACH AS FAR NORTH 
AS 3-4 NORTH BY FRI EVENING. 
 
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AL