000
AXPZ20 KNHC 100921
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC FRI APR 10 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 AXIS FROM 03N90W TO 05N95W TO 03N110W TO 05N135W. SECONDARY 
ITCZ FROM 03S92W TO 02S120W. SCATTERED MODERATE ISOLATED STRONG 
FROM 03N TO 06N BETWEEN 102W AND 118W. SCATTERED MODERATE TO 
STRONG FROM 03N TO 12N BETWEEN 124W AND 140W.

...DISCUSSION... 

AN UPPER LEVEL TROUGH ACROSS THE NW PORTION OF THE DISCUSSION 
ARE EXTENDS FROM 32N131W TO 23N140W. A 110-125 KT JETSTREAM IS S 
OF THE TROUGH FROM 19N140W TO SOUTHERN BAJA CALIFORNIA. 
OTHERWISE A BROAD UPPER LEVEL RIDGE IS SE OF THE TROUGH.

A COLD FRONT EXTENDS FROM 32N130W TO 24N140W. SLY WINDS 20-25 KT 
ARE WITHIN 120 NM E OF THE FRONT. THE FRONT WILL WEAKEN FROM 
32N125W TO 24N130W TO 21N140W SAT. THE WINDS WILL DECREASE TO 20 
KT OR LESS...HOWEVER LARGE NW SWELLS 8-12 FT WILL BUILD W OF THE 
FRONT SAT.

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 SAT.

$$
DGS