000
AXPZ20 KNHC 152113
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI APR 15 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2000 UTC.               

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

NORTHERN ITCZ FROM 07N87W TO 04N114W TO 00N140W. SOUTHERN ITCZ
FROM 01S101W TO 03.4S112W. SCATTERED MODERATE CONVECTION
PREVAILS FROM 02N TO 09N BETWEEN 102W AND 123W AND ALONG THE
SOUTHERN ITCZ.

...DISCUSSION...                                               

A 1029 MB HIGH CENTERED NEAR 36N134W EXTENDS ITS RIDGE TO
16N110W. THIS FEATURE COMBINED WITH A LOW PRESSURE OVER THE
MOJAVE DESERT ARE SUPPORTING GALE FORCE WINDS N OF THE AREA NEAR
THE COAST OF SOUTHERN CALIFORNIA. SCATTEROMETER DATA DEPICTS 25-
30 KT WINDS NEAR 31N120W. SWELL GENERATED BY THESE WINDS IS
PRODUCING LARGE SEAS TO 16 FT OVER NE WATERS NEAR THE COAST OF
BAJA CALIFORNIA N OF 26N E OF 125W. S OF THIS AREA...THE
PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURES
ASSOCIATED WITH THE ITCZ CONTINUES TO SUPPORT FRESH TO STRONG
TRADES FROM 02N TO 15N W OF 121W WITH SEAS TO 11 FT IN
MIXED SWELL. 

LOOKING AHEAD...THE SURFACE HIGH WILL SHIFT EASTWARD WHILE
WEAKENING AND AHEAD OF A COLD FRONT THAT WILL REACH NW WATERS
WITHIN THE NEXT 48 HOURS. 8-9 FT NW SWELL ASSOCIATED WITH THE
FRONT WILL REACH 30N140W BY LATE SAT AND EXTEND ACROSS THE NW
WATERS THROUGH THE WEEKEND. THE AREA OF SWELLS CURRENTLY ACROSS
THE NE WATERS WILL SUBSIDE AND DIMINISH IN AREAL COVERAGE WHILE
MOVING S EXTENDING FROM 09N TO 21N BETWEEN 109W AND 120W IN 48
HOURS. SEAS TO 9 FT ARE EXPECTED ACROSS THIS AREA.

$$

ERA