000
AXPZ20 KNHC 190305
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC THU APR 19 2012

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0230 UTC.

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

ITCZ AXIS IS FROM 05N89W TO 05N96W TO 04N103W TO 08N115W TO 
05N125W TO 04N140W. SCATTERED MODERATE CONVECTION IS FROM 09N TO 
12N BETWEEN 106W AND 112W...FROM 03N TO 06N BETWEEN 121W AND 
124W...AND FROM 02N TO 05N BETWEEN 132W AND 137W.

...DISCUSSION...

HIGH PRES RIDGE ANCHORED BY NEARLY STATIONARY 1027 MB HIGH NEAR 
29N138W WILL PERSIST THROUGH FRI. FRESH NORTHERLY WINDS ALONG 
THE COAST OF SRN CALIFORNIA ARE EXPECTED TO CONTINUE THROUGH FRI 
WITH NW SWELL TO 9 FT EXTENDING SOUTHWARD TO AROUND 25N BETWEEN 
118W AND 125W. AN AREA OF MODERATE TO FRESH E-NE TRADE WINDS IS 
LOCATED S OF THE RIDGE FROM 07N TO 21N W OF 130W. THESE WINDS 
WILL GRADUALLY CONTRACT THROUGH THE NEXT 48 HOURS...COVERING ONLY
A SMALL AREA FROM 05N TO 10N W OF 135W BY FRI EVENING. A COLD 
FRONT WILL APPROACH THE NW CORNER NEAR 30N140W ON SAT MORNING 
WITH CONVECTION.

NORTHERLY 20-30 KT WINDS ARE FUNNELING SOUTHWARD FROM THE CHIVELA
PASS INTO THE GULF OF TEHUANTEPEC. WINDS WILL GRADUALLY DIMINISH 
TO BELOW 20 KT BY THU EVENING. 

$$
FORMOSA