000
AXPZ20 KNHC 080316
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT SEP 08 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 ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

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

MONSOON TROUGH EXTENDS FROM 07N77W TO 10N86W TO 1011 MB LOW AT 
09N93W TO 10N110W TO 11N121W. ITCZ AXIS EXTENDS FROM 06N130W TO 
07N140W. SCATTERED MODERATE CONVECTION IS FROM 06N TO 10N 
BETWEEN 77W AND 80W...FROM 07N TO 12N BETWEEN 93W AND 110W... 
AND FROM 07N TO 10N BETWEEN 128W AND 130W. 
 
...DISCUSSION...

THE UPPER LEVELS APPEAR VERY DRY W OF A LINE FROM CALIFORNIA 
COAST AT 34W TO 20N130W TO 10N140W. ON THE OTHER HAND... THE 
UPPER LEVELS ARE SLIGHTLY DIFFLUENT OVER THE DEEP TROPICS AND IS 
SUPPORTING THE CONVECTION ALONG THE MONSOON TROUGH FROM 77W TO 
125W.

ELSEWHERE AT THE SURFACE...A 1015 MB LOW...REMNANT OF TROPICAL 
CYCLONE JOHN...IS NEAR 26N121W BUT LACKS CONVECTION. A SURFACE 
RIDGE IS N OF 25N AND W OF 130W. CROSS EQUATORIAL SE SWELL WITH 
SEAS TO 8 FT IS NOTED S OF 03N BETWEEN 120W AND 132W BUT IS 
EXPECTED TO SUBSIDE BELOW 8 FT ON SAT.

$$
FORMOSA