000
AXPZ20 KNHC 030918
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE AUG 03 2010

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.

...ITCZ...
AXIS ALONG 10N86W TO 13.5N97W TO 08N115W TO 12N123W TO 09.5N132W 
TO 10.5N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION 
WITHIN 90 NM N OF AXIS AND 60 NM S OF AXIS BETWEEN 90W AND 95W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 180 NM N OF 
AXIS BETWEEN 102W AND 117W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION  WITHIN 45 NM EITHER SIDE OF AXIS BETWEEN 121W AND 
128W. SCATTERED MODERATE CONVECTION WITHIN 60 NM S OF AXIS W OF 
133W.     

...DISCUSSION...
AN UPPER LEVEL ANTICYCLONE IS CENTERED NEAR 19N137W WITH RIDGE 
EXTENDING NE TO 30N124W. A SHARP LARGE AMPLITUDE TROUGH WITH 
AXIS ALONG 125W IS BETWEEN THE ANTICYCLONE TO THE WEST AND RIDGE 
EXTENDING FROM LARGE ANTICYCLONE CENTERED OVER THE CENTRAL U.S. 
EASTERLY FLOW PREVAILS IN THE DEEP TROPICS ALOFT. UPPER LEVEL 
MOISTURE RESULTING FROM ITCZ CONVECTION IS ADVECTED TO THE WEST 
AS A RESULT OF THE EASTERLY WINDS. 

AT THE SURFACE...LOW PRESSURE 1008 MB IS CENTERED NEAR 11N104W.  
FRESH SW BREEZE IS FOUND WITHIN 120 NM OF THE CENTER IN THE SE 
AND S QUADRANTS...WITH SEAS TO 8 FT. THIS LOW PRESSURE WILL 
DRIFT SLOWLY WESTWARD OVER THE NEXT 48 HOURS...WITH FRESH WINDS 
WITHIN 240 NM OF THE S QUADRANT OF THE LOW. 

SOUTHERLY CROSS EQUATORIAL SWELLS CONTINUE TO AFFECT BASIN S OF 
10N AND SPREAD FURTHER N BEYOND FORECAST PERIOD.

$$
AL