000
AXPZ20 KNHC 291523
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC TUE APR 29 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...

MONSOON TROUGH FROM 8N82W TO 11N90W TO 5N102W. ITCZ 5N102W TO 
5N115W TO 1N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 
5N-12N BETWEEN 108W-120W AND FROM 2N-5N BETWEEN 120W-128W.

...DISCUSSION...                                       

AN UPPER LEVEL RIDGE ACROSS THE WESTERN PORTION OF THE 
DISCUSSION AREA EXTENDS FROM AN ANTICYCLONIC CIRCULATION 
CENTERED NEAR 7N138W TO 32N125W. AN UPPER LEVEL CYCLONIC 
CIRCULATION IS CENTERED AT 23N124W...WITH A TROUGH FROM THE 
CIRCULATION TO 15N121W. E OF THE TROUGH IS A BROAD UPPER LEVEL 
RIDGE WITH COUPLE OF EMBEDDED ANTICYCLONIC CIRCULATIONS ONE NEAR 
11N102W AND ANOTHER NEAR 12N94W. UPPER LEVEL DIFFLUENCE IS 
ENHANCING CONVECTION FROM 5N-12N BETWEEN 108W-120W AND FROM 2N-
5N BETWEEN 120W-128W. A LARGE CLUSTER OF STRONG TSTMS ALONG THE 
COASTS OF PANAMA AND COLOMBIA FROM 5N-8N E OF 85W. 

SURFACE HIGH PRES RIDGE IS N OF 14N W OF 115W. AN AREA OF LARGE 
NW SWELL...WITH SEAS 8-10 FT...IS N OF 25N BETWEEN 115W-134W. 
THE SWELL WILL SUBSIDE TO LESS THAN 8 FT BY THU. CROSS 
EQUATORIAL MIXED SE AND SW SWELL IS S OF 4N BETWEEN 110W-125W. 
THE PRES GRADIENT IS FORECAST TO TIGHTEN ACROSS THE NORTHERN 
GULF OF CALIFORNIA...AND NLY WINDS ARE EXPECTED TO INCREASE TO 
20-25 KT LATER THIS AFTERNOON. THE WINDS WILL FURTHER INCREASE 
TO 20-30 KT AND SEAS WILL BUILD 8-10 FT WED N OF 27N.

A WEAK COLD FRONT IS FORECAST TO MOVE INTO THE NW PORTION OF THE 
AREA AND EXTEND FROM 32N133W TO 24N140W THU. NO SIGNIFICANT 
WEATHER IS EXPECTED WITH THE FRONT

$$
DGS