000
AXPZ20 KNHC 310948
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT JUL 31 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...
THE INTERTROPICAL CONVERGENCE ZONE IS ANALYZED ALONG 10N85W TO 
09N93W TO 13N110W TO 09N128W TO 09N131W TO 09N140W. SCATTERED 
MODERATE WITHIN 120 NM N OF AXIS BETWEEN 86W AND 90W. SCATTERED 
MODERATE WITHIN 120 NM N OF AXIS BETWEEN 135W AND 138W. 

...DISCUSSION...

AN UPPER LEVEL TROUGH IS OVER THE FAR NW CORNER OF THE 
DISCUSSION AREA N OF 20N AND W OF 130W. UPPER LEVEL RIDGING 
PREVAILS ACROSS MUCH OF THE REMAINDER OF THE AREA.

AT THE SURFACE...A 1008 MB LOW IS CENTERED NEAR 09N95W WITH 
CONVECTION MAINLY W OF THE CENTER. THERE IS CURRENTLY A LOW 
CHANCE OF THIS BECOMING A TROPICAL CYCLONE WITHIN THE NEXT 48 
HOURS. SOUTHERLY SWELLS TO 10 FEET ARE LOCATED OVER THE FORECAST 
AREA S OF 15N. THESE SWELLS WILL GRADUALLY SUBSIDE THROUGH THE 
WEEKEND. 

$$
AL