000
AXPZ20 KNHC 110919
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC SAT APR 11 2015

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. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

ITCZ FROM 5N88W TO 3115W TO 4N127W. SCATTERED MODERATE TO STRONG 
CONVECTION WITHIN 120 NM S OF AXIS BETWEEN 100W-105W.

...DISCUSSION... 

AN UPPER LEVEL RIDGE IN THE NW PORTION OF THE AREA IS N OF 24N W 
OF 132W. DOWNSTREAM TROUGH ARE EXTENDS FROM 32N121W TO 25N129W. 
A 110-125 KT JETSTREAM IS S OF THE TROUGH FROM 20N125W TO 
SOUTHERN BAJA CALIFORNIA. OTHERWISE A BROAD UPPER LEVEL RIDGE IS 
SE OF THE TROUGH WITH AN ANTICYCLONIC CIRCULATION CENTERED 
NEAR 6N119W.

A WEAKENING COLD FRONT EXTENDS FROM 1014 NB LOW NEAR 30N125W TO 
21N135W. THE WINDS HAVE DECREASED TO 20 KT OR LESS...HOWEVER 
LARGE NW SWELLS 8-12 FT ARE N OF 25N W OF 128W. THE FRONT AND 
LOW WILL DISSIPATE AND SEA WILL SUBSIDE TO LESS THEN 8 FT SUN.

NE WINDS IN THE 20-25 KT RANGE CONTINUE TO BLOW THROUGH THE GULF 
OF PAPAGAYO WITH SEAS TO 8 FT. THE PRES GRADIENT WITHIN THE AREA 
WILL RELAX AND THE WINDS WILL DECREASE TO 20 KT OR LESS WITH 
SEAS LESS THAN 8 FT LATER TODAY.

$$
DGS