000
AXPZ20 KNHC 012201
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI JUN 01 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 15N97W TO 10N103W TO 06N120W TO 
06N129W. ITCZ EXTENDS FROM 06N129W TO BEYOND 04N149W. SCATTERED 
MODERATE TO STRONG CONVECTION IS FROM 05N TO 08N BETWEEN 112W 
AND 119W. 

...DISCUSSION...

AT THE SURFACE...

WEAKENING HIGH PRES CENTER 1025 MB AT 31N140W 
HAS RIDGE EXTEND SE TO 20N120W. THIS MAINTAINS A MODERATE NE 
BREEZE OVER TRADEWIND BELT...AND STRONGER NW TO N WINDS ALONG 
THE CALIFORNIA COASTAL SECTIONS AS RIDGE DRIFTS E AND PRESSURE 
GRADIENT TIGHTENS. ASSOCIATED 8 FT SEAS ARE S OF 29N E OF 122W.  

1012 MB LOW IS EMBEDDED IN THE MONSOON TROUGH NEAR 06N117W. 
SCATTERED MODERATE TO STRONG CONVECTION IS FROM 05N TO 08N 
BETWEEN 112W AND 119W. 

FURTHER E...CLUSTERS OF WIDELY SCATTERED MODERATE CONVECTION ARE 
S OF CENTRAL AMERICA N OF 3N AND E OF 95W. WINDS OUTSIDE OF 
CONVECTION IS ONLY 5 TO 10 KT FROM THE W.  

CROSS EQUATORIAL LONG-PERIOD MODERATE SWELL IS NOTED ALONG THE  
SOUTHERN BOUNDARY S OF 07N BETWEEN 100W AND 130W. SEAS ARE 8 FT.

OF NOTE IN THE UPPER LEVELS... 
 
AN UPPER LEVEL LOW IS CENTERED OVER N MEXICO NEAR 26N105W. UPPER 
LEVEL DIFFLUENCE SE OF THE CENTER IS HELPING TO PRODUCE 
SCATTERED MODERATE CONVECTION OVER INLAND MEXICO FROM 18N TO 25N 
BETWEEN 98W AND 103W.

ANOTHER UPPER LEVEL LOW IS CENTERED OVER THE TROPICS S OF MEXICO 
NEAR 13N100W. UPPER LEVEL DIFFLUENCE E OF THE CENTER IS HELPING 
TO PRODUCE THE CLUSTERS OF WIDELY SCATTERED MODERATE CONVECTION 
S OF CENTRAL AMERICA N OF 3N AND E OF 95W.

$$
FORMOSA