000
AXPZ20 KNHC 032136
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SUN JUN 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 ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2115 UTC.

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

MONSOON TROUGH EXTENDS FROM 10N85W TO LOW PRES NEAR 08N94W TO 
09N97W AND THEN CONTINUES FROM 10N109W TO LOW PRES NEAR 09N119W 
TO 04N137W. ITCZ EXTENDS FROM 04N137W TO BEYOND 04N140W. NO 
SIGNIFICANT CONVECTION IS NOTED.

...DISCUSSION...

A LARGE MIDDLE/UPPER LEVEL TROUGH LOCATED N OF 30N E OF 150W TO 
THE UNITED STATES W COAST EXTENDS SOUTHWARD TO 28N W OF 130W. 
THIS FEATURE IS FORECAST TO MOVE RAPIDLY E OVER THE NEXT TWO 
DAYS. AN ASSOCIATED COLD FRONT IS LOCATED THROUGH 34N134W TO 
BEYOND 30N144W AND IS EASILY IDENTIFIABLE ON THE LATEST VISIBLE 
SATELLITE IMAGERY. MOVING DOWNSTREAM A LARGE UPPER LEVEL RIDGE 
COVERS THE AREA N OF 18N BETWEEN 115W AND 130W. WATER VAPOR 
IMAGERY INDICATES STRONG SUBSIDENCE OVER THIS AREA AS WELL AS 
OVER THE DEEP TROPICS W OF 100W. AT THE SURFACE A 1009 MB LOW 
PRESSURE CENTER NEAR 09N119W IS MOVING W 10 KT. 

A WELL-DEFINED MIDDLE/UPPER LEVEL TROUGH IS LOCATED N OF 12N 
BETWEEN 100W AND 112W WITH THE AXIS POSITIONED ALONG 106W. THIS 
FEATURE WILL MOVE LITTLE OVER THE NEXT 48 HOURS BUT WILL WEAKEN. 
ABUNDANT MOISTURE COVERS THE FAR EASTERN PART OF THE DISCUSSION 
AREA WITH SCATTERED MODERATE ISOLATED STRONG CONVECTION LOCATED 
WITHIN 90 NM EITHER SIDE OF A LINE FROM 11N88W TO 04N82W. 

$$
CAB