000
AXPZ20 KNHC 030326
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL                          
0405 UTC MON FEB 03 2014

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.                              
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

MONSOON TROUGH EXTENDS FROM 09N84W TO 06N90W TO 06N99W. ITCZ 
EXTENDS FROM 06N99W TO 09N125W TO 07N140W. SCATTERED MODERATE 
CONVECTION IS FROM 04N TO 08N BETWEEN 85W AND 90W...AND FROM 06N 
TO 10N BETWEEN 123W AND 135W.

...DISCUSSION...

AN UPPER LEVEL RIDGE IS OVER THE NW CORNER WITH AXIS ALONG 126W 
N OF 10N. AN UPPER LEVEL TROUGH IS FURTHER E WITH AXIS FROM 
1N113W TO 20N 110W. ISOLATED MODERATE CONVECTION IS W OF THE 
AXIS FROM 10N TO 15N BETWEEN 114W AND 120W. A LARGE UPPER LEVEL 
RIDGE IS E OF 100W WITH AXIS ALONG 80W. 

A COLD FRONT IS JUST N OF 30N FROM SOUTHERN CALIFORNIA AT 
35N121W TO 32N123W TO30N130W TO 33N140W. THE FRONT IS VOID OF 
DEEP CONVECTION. A WEAK SURFACE RIDGE AXIS EXTENDS FROM 28N130W 
TO 20N110W. A SURFACE TROUGH IS OVER THE TROPICS FROM 06N126W TO 
13N124W. THE PRESSURE GRADIENT REMAINS WEAK OVER WESTERN PART OF 
THE FORECAST AREA. THIS IS KEEPING WINDS 20 KT OR LESS OVER THE 
WESTERN PART OF THE FORECAST AREA. A SET OF NW SWELL IS OVER THE 
NW CORNER PRODUCING COMBINED SEAS NEAR 8 FT NW OF LINE 30N135W 
TO 27N140W. THIS SWELL TRAIN WILL MOVE E MON AND TUE AND RETREAT 
N OF 30N BY TUE EVENING.

$$
FORMOSA