000
AXPZ20 KNHC 180939
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC MON APR 18 2016

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...            
THE ITCZ AXIS EXTENDS FROM 05N86W TO 06N105W TO 08N109W TO
07N128W TO 04N133W TO 03N140W. SCATTERED MODERATE CONVECTION IS
FROM 05N TO 08N BETWEEN 91W AND 99W...AND FROM 02N TO 07N
BETWEEN 128W AND 135W.

...DISCUSSION...                                               
BROAD RIDGING PREVAILS ACROSS THE NORTHERN WATERS GENERALLY N OF
15N BETWEEN 110W AND 130W. MODEL GUIDANCE INDICATES TRADE WINDS
WILL INCREASE SLIGHTLY MON AND MON NIGHT IN RESPONSE TO A WEAK
SURFACE TROUGH EMBEDDED WITHIN THE ITCZ ALONG 128W...AND PRODUCE
AN AREA OF 8 FT SEAS FROM 11N TO 15N BETWEEN 122W AND 130W. BY
WED NIGHT INTO THU THE TROUGHING WILL BROADEN OUT AND WEAKEN
DECREASING THE TRADES TO FRESH BREEZE CONDITIONS WITH SEAS
SUBSIDING BELOW 8 FT.

A COLD FRONT EXTENDS ACROSS THE NW PORTION OF THE DISCUSSION
AREA FROM 30N135W TO 27N136W TO 24N140W. FRESH TO OCCASIONAL
STRONG NW WINDS ARE NOTED W OF THE FRONT WITH SEAS RANGING FROM
9 TO 14 FT IN NW SWELL. 8 TO 9 FT NW SWELL IS FOUND ALONG AND
WITHIN 90 NM EAST OF THE FRONTAL BOUNDARY. THROUGH TUE NIGHT
UPPER LEVEL SUPPORT FOR THE FRONT WILL LIFT NE RESULTING IN A
DISSIPATING FRONT AND DIMINISHING WINDS AND SUBSIDING SEAS. BY
WED A SURFACE TROUGH WILL REMAIN WITH A SECONDARY COLD FRONT
EXTENDING FROM 30N131W TO 26N137W. WINDS WITH THIS SECONDARY
FRONT ARE EXPECTED TO REMAIN 20 KT OR LESS...HOWEVER SEAS WILL
REACH 9 FT IN MIXED S AND NW SWELL.

$$
HUFFMAN