000
AXPZ20 KNHC 291537
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI AUG 29 2008

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...TROPICAL WAVES...

TROPICAL WAVE IS LOCATED ALONG 100W/101W N OF 09N TO THE MEXICAN 
COAST. THE WAVE IS DISORGANIZED AND IS NOT FORECAST TO DEVELOP 
INTO A TROPICAL CYCLONE IN THE NEXT DAY OR TWO. MOST OF THE DEEP 
CONVECTION IS LOCATED E OF THE WAVE AXIS.
     
...ITCZ...

ITCZ AXIS IS CENTERED FROM 10N82W TO 14N100W TO 10N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED FROM 
07N TO 15N BETWEEN 84W AND 115W AND WITHIN 120 NM EITHER SIDE OF 
LINE 03N79W TO 07N86W AND FROM 07N TO 13N W OF 115W.

...DISCUSSION...

W OF 100W...
WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE N OF A LINE 
EXTENDING FROM THE SOUTHERN GULF OF CALIFORNIA TO 18N120W TO 
20N132W TO 15N140W. WITHIN THIS AREA A WEAK MIDDLE/UPPER LEVEL 
TROUGH HAS ITS AXIS EXTENDING FROM 32N137W TO 27N140W. A LARGE 
MIDDLE/UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED NEAR 
24N122W AND IS AMPLIFYING NORTHWARD BEYOND 32N. THE CIRCULATION 
IS FORECAST TO MOVE SLOWLY W OVER THE NEXT TWO DAYS. A 
MIDDLE/UPPER LEVEL TROUGH OVER NW MEXICO HAS ITS AXIS EXTENDING 
THROUGH 32N114W TO 24N107W. EASTERLY WINDS ALOFT CONTINUE OVER 
THE TROPICS S OF ABOUT 18N WITH SATELLITE CLOUD DRIFT WINDS 
INDICATING SPEEDS FROM 25 TO 35 KT. AT THE SURFACE A TROUGH 
EXTENDS FROM 16N114W TO 12N116W. SCATTERED MODERATE ISOLATED 
STRONG CONVECTION IS LOCATED FROM 14N TO 16N BETWEEN 111W AND 
116W. SOUTHWEST SWELLS TO 9 FT ARE LOCATED S OF LINE FROM 
10N100W TO 00N125W.

E OF 100W...
WINDS ALOFT OVER THE E PART OF THE DISCUSSION AREA ARE 
NORTHEASTERLY WITH SPEEDS AS MEASURED BY SATELLITE CLOUD DRIFT 
WINDS AS HIGH AS 50 KT.

$$
CAB