000
AXPZ20 KNHC 170242
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC FRI APR 17 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

WEAK ITCZ AXIS EXTENDS FROM 03N105W TO 02N135W. NO SIGNIFICANT 
CONVECTION.

...DISCUSSION... 

WEAKENING 1030 MB HIGH N OF THE AREA EXTENDS A RIDGE SOUTHWARD 
TO AROUND 16N W OF 112W. PRESSURE GRADIENT ALONG THE CALIFORNIA 
COAST AND NORTH OF THE CONVERGENCE ZONE IN THE DEEP TROPICS IS 
RELAXING...AND AS A RESULT SCATTEROMETER DATA SHOWS WINDS ARE 
GENTLE TO MODERATE ACROSS MOST OF THE REGION W OF 110W. ASCAT 
DATA AT 1842 UTC SHOWS A SMALL AREA OF FRESH NE WINDS CENTERED 
NEAR 14N130W...AND A LARGER AREA OF FRESH E-NE WINDS FROM 17N TO 
20N W OF 135W. THIS AREA OF ENHANCED TRADE WINDS IS PRODUCING 9 
FT SEAS DUE TO NE WIND WAVES AND RESIDUAL NW SWELL. AN AREA OF 9-
10 FT NW SWELL GENERATED BY STRONG WINDS ALONG THE CALIFORNIA 
COAST THE PAST COUPLE OF DAYS WAS EVIDENT FROM ALTIMETER DATA 
THIS MORNING. WINDS AND SEAS WILL CONTINUE TO DIMINISH THROUGH 
THE WEEKEND.

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