000
AXPZ20 KNHC 152121 RRA
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
2205 UTC WED APR 15 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

THE PRIMARY ITCZ AXIS EXTENDS FROM 03N100W TO 04N109W TO 03N120W 
TO 04N140W. A SECONDARY ITCZ EXTENDS FROM 03.4S94W TO 01S106W. 
NO SIGNIFICANT CONVECTION.

ALSO...SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 03N TO 
07N BETWEEN 82W AND 85W. 

...DISCUSSION... 

HIGH PRESSURE RIDGE DOMINATES THE REGION N OF 22N W OF 120W. 
GALE FORCE WINDS ALONG THE COAST OF SOUTH-CENTRAL CALIFORNIA ARE 
GENERATING FRESH NORTHERLY SWELL...PROPAGATING SOUTHWARD INTO 
WATERS N OF 25N. WINDS WILL DIMINISH TONIGHT WITH RESIDUAL 
NORTHERLY SWELL SLOWLY DECAYING THROUGH THE END OF THE WEEK.

FRESH TRADE WINDS SW OF THE RIDGE AXIS ARE SUPPORTING AN AREA OF 
8-9 FT COMBINED SEAS ACROSS WEST-CENTRAL WATERS. THE RIDGE WILL 
SLOWLY WEAKEN AND SHIFT SW THROUGH THE END OF THE WEEK ALLOWING 
WINDS AND SEAS TO SUBSIDE THROUGH THE WEEKEND. 

GULF OF CALIFORNIA...FRESH TO STRONG NW WINDS BEHIND A FRONT N 
OF 30N THIS AFTERNOON WILL DIMINISH TO 20 KT OR LESS BY EVENING.

NO SIGNIFICANT GAP WIND EVENTS ARE ANTICIPATED FOR THE NEXT 48 
HOURS. WINDS MAY PULSE TO 20 KT IN THE GULF OF PAPAGAYO DURING 
LATE NIGHT AND EARLY MORNING HOURS. OTHERWISE LIGHT WINDS AND 
SEAS ARE EXPECTED E OF 110W.

$$
MUNDELL