000
AXPZ20 KNHC 040910
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE JUN 03 2008

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN
FROM THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...TROPICAL WAVE...
TROPICAL WAVE N OF N OF 4N ALONG 78W MOVING W 10-15 KT. NO 
SIGNIFICANT CONVECTION ASSOCIATED WITH THE WAVE.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE IS CENTERED ALONG 11N86W 14N95W 
6N125W 5N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION 
FROM 07N-11N BETWEEN 90W-98W. SCATTERED MODERATE TO STRONG 
CONVECTION WITHIN 100 NM S OF AXIS FROM 104W TO 108W.

...DISCUSSION...
NARROW UPPER LEVEL TROUGH EXTENDS FROM NRN BAJA CALIFORNIA SW 
THROUGH 26N122W WHERE IT BECOMES A SHEAR AXIS SW T0 17N140W. AND 
UPPER LEVEL RIDGE IS NW OF THE TROUGH 32N142W TO 31N119W.
MODERATE TO STRONG SUBSIDENCE COVERS THE AREA S OF 24N W OF
120W AND IS SUPPRESSING ITCZ CONVECTION W OF 120W.
 
AN UPPER RIDGE EXTENDS FROM S TEXAS ACROSS MEXICO TO AN UPPER 
LEVEL ANTICYCLONIC CIRCULATION CENTERED OFF THE W COAST OF 
MEXICO NEAR 22N108W WITH RIDGE CONTINUING SW TO 17N115W AND TO 
7N129W. ANOTHER UPPER ANTICYCLONE IS OBSERVED NEAR 12N91W WITH 
ANTICYCLONIC FLOW DOMINATING THE UPPER LEVELS OF THE TROPICS 
GENERALLY E OF 105W. ASSOCIATED UPPER DIFFLUENCE CONTINUES TO 
SUPPORT CONVECTION ALONG AND NEAR THE ITCZ BETWEEN 85W-107W.  

SURFACE 1008 MB LOW PRES CENTER IS JUST INLAND THE GULF OF 
TEHUANTEPEC NEAR 17N94W. SCATTERED STRONG CONVECTIVE CLUSTERS 
HAVE DEVELOPED OVER THE GULF OF TEHUANTEPEC AND ALONG THE COAST. 
LARGE RAINFALL ACCUMULATIONS ARE LIKELY OVER PORTIONS OF 
GUATEMALA...EL SALVADOR AND THE SE PORTION OF MEXICO.

STATIONARY HIGH PRES IS ANALYZED JUST NW OF THE REGION NEAR 
33N143W 1029 MB WITH A RIDGE STRETCHING SEWD THROUGH 28N133W TO 
25N128W TO 19N122W. HIGH PRES COVERS THE AREA N OF 15N W OF 
124W.

$$
DGS