000
AXPZ20 KNHC 032207
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC TUE APR 03 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2130 UTC.

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

TROUGH FROM 08N82W TO 02N90W TO 03N103W. SCATTERED MODERATE FROM 
05N TO 10N BETWEEN 80W AND 85W...AND FROM 01N TO 04N BETWEEN 92W 
AND 103W.

ITCZ AXIS EXTENDS FROM 08N115W TO 03N140W. SCATTERED MODERATE 
FROM 04N TO 08N BETWEEN 119W AND 126W.

DISCUSSION...

A LONGWAVE UPPER LEVEL TROUGH IS N OF 26N W OF 130W MOVING E AND 
SUPPORTING A SURFACE COLD FRONT. AN UPPER LEVEL RIDGE IS FURTHER 
E N OF 25N BETWEEN 110W AND 130W. A SMALL UPPER LEVEL LOW IS 
CENTERED OVER THE TROPICS NEAR 17N125W. ZONAL FLOW IS OVER THE 
REMAINDER OF THE TROPICAL PACIFIC.   

A 1032 MB HIGH IS CENTERED NEAR 40N1160W. A COLD FRONT HAS 
RECENTLY ENTERED THE AREA NEAR 30N135W TO 28N140W. SCATTERED 
SHOWERS ARE WITHIN 90 NM OF THE FRONT MOVING E AND WEAKENING. 

$$
FORMOSA