000
AXPZ20 KNHC 082202
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC THU JUL 08 2010

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

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2145 UTC.

...ITCZ...
THE AXIS EXTENDS FROM 11N86W TO 11N100W TO 05N140W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION IS NOTED WITHIN 150 NM OF 
11N89W AND ALSO WITHIN 60 NM EITHER SIDE OF A OF LINE FROM 
11N100W TO 07N113W.

...DISCUSSION...
AN UPPER LEVEL ANTICYCLONE IS CENTERED NEAR 27N119W WITH A RIDGE 
W TO WELL BEYOND 28N140W...AND A RIDGE ALSO EXTENDS SE TO NEAR 
20N113W. AN UPPER TROUGH EXTENDS W TO E ALONG 07N140W TO 
10N126W. CONVECTION WAS ENHANCED EARLIER NEAR 07N140W AND NEAR 
11N125W WITH THE DEBRIS MOISTURE EVAPORATING IN THESE SAME 
AREAS. OTHERWISE...THE UPPER LEVELS ARE VERY DRY N OF 20N W OF 
110W AND S OF 20N W OF 113W.
   
BROAD ANTICYCLONIC UPPER FLOW DOMINATES THE AREA S OF 23N E OF 
110W. THE ASSOCIATED UPPER DIFFLUENCE IS ENHANCING CONVECTION 
ALONG THE ITCZ AS DESCRIBED...AND ALSO OVER CENTRAL AMERICA. THE 
DEBRIS MOISTURE FROM THESE CONVECTIVE AREAS IS SPREADING W OVER 
THE DISCUSSION AREA N OF 07N E OF 109W.

A BROAD SURFACE RIDGE DOMINATES THE AREA N OF THE THE ITCZ. NW 
WINDS IN THE 15 TO 20 KT RANGE ARE EXPECTED TO CONTINUE ALONG 
THE W COAST OF THE SOUTHERN BAJA PENINSULA S OF 26N THROUGH FRI 
AND DIMINISHING FRI NIGHT.

SOUTHERLY WINDS IN THE 15 TO 20 KT ARE EXPECTED TO CONTINUE OVER 
THE WATERS S OF 10N FOR AT LEAST THE NEXT FEW DAYS. THESE 
SOUTHERLY WINDS COMBINED WITH SOUTHERLY CROSS EQUATORIAL SWELL 
ARE RESULTING IN SEAS TO 8 FT OVER THE ENTIRE AREA S OF 10N.

$$
NELSON