000
AXPZ20 KNHC 011454
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL                          
1605 UTC SAT FEB 01 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.                              
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

THE MONSOON TROUGH EXTENDS FROM 08N83W TO 03N102W WHERE LOW 
LEVEL WINDS SUGGEST A TRANSITION TO ITCZ WHICH EXTENDS TO 
06N121W TO BEYOND 06N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WAS NOTED WITHIN 180 NM N OF ITCZ W OF 135W.

...DISCUSSION...

HIGH PRESSURE OF 1025 MB IS CENTERED N OF THE AREA NEAR 33N133W 
EXTENDS A RIDGE SE INTO THE AREA TO NEAR 19N107W. DUE TO WEAK 
HIGH PRESSURE N OF THE AREA...THE PRESSURE GRADIENT REMAINS WEAK 
OVER WESTERN PART OF THE FORECAST AREA. THIS IS KEEPING WINDS 20 
KT OR LESS OVER THE WESTERN PART OF THE FORECAST AREA. LINGERING 
NW SWELLS WITH SEAS TO 9 FT PREVAIL 07N TO 15N W OF 132W AND 
FROM 07N TO 15N BETWEEN 128W AND 132W. THE NW SWELL OVER THIS 
AREA WILL CONTINUE TO SUBSIDE OVER THE NEXT 24 HOURS...FALLING 
BELOW 8 FT BY SUN AFTERNOON. A SECOND SET NW SWELLS PRODUCING 
COMBINED SEAS NEAR 9 FT WILL PROPAGATE INTO THE AREA EARLY SUN. 
THE SWELLS WILL SLOWLY SUBSIDE OVER THE NORTHERN PART OF THE 
FORECAST AREA...FALLING BELOW 8 FT TUE. 

GAP WINDS...                                                   
GULF OF PAPAGAYO...MODERATE TO FRESH TRADEWINDS OVER THE 
CARIBBEAN ARE FUNNELING THROUGH THE GAP IN CENTRAL AMERICA TO 
PRODUCE NE WINDS OF 20-25 KT OVER THE GULF OF PAPAGAYO. THE 
WINDS ARE FORECAST TO DIMINISH TO 20 KT OR LESS SUN AFTERNOON AS 
THE TRADEWINDS OVER THE CARIBBEAN DIMINISH. 

$$
AL