000
AXPZ20 KNHC 181510
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC WED APR 18 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

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

ITCZ AXIS EXTENDS FROM 07N100W TO 02N130W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION WITHIN 90 NM N OF AXIS BETWEEN 115W 
AND 130W.

...DISCUSSION...

HIGH PRES RIDGE ANCHORED BY NEARLY STATIONARY 1026 MB HIGH NEAR 
30N138W 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 27N BETWEEN 
118W AND 125W. AN AREA OF MODERATE TO FRESH E-NE TRADE WINDS IS 
LOCATED S OF THE RIDGE FROM 05N TO 20N W OF 130W. THESE WINDS 
WILL GRADUALLY CONTRACT THROUGH THE NEXT 48 HOURS...COVERING ONLY
A SMALL AREA FROM 06N TO 10N W OF 135W BY FRI MORNING.

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 ONCE WINDS BECOME SOUTHERLY IN THE 
GULF AS LOW PRES DEVELOPS N OF THE AREA ALONG THE MEXICO E COAST.

$$
MUNDELL