000
AXPZ20 KNHC 040310
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI AUG 04 2006

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0245 UTC.

...TROPICAL WAVES...

TROPICAL WAVE ALONG 103W N OF 4N IS MOVING W 15 KT. NO 
ORGANIZATION IS NOTED WITH THIS WAVE. ONLY ONE CLUSTER OF 
SCATTERED MODERATE CONVECTION...ABOUT 50 NM IN DIAMETER IS NEAR 
5N101W.

TROPICAL WAVE ALONG 82W IS MOVING W 10-15 KT. ISOLATED SHOWERS 
AND THUNDERSTORMS ARE WITHIN 60 NM OF THE WAVE AXIS MAINLY ALONG 
AND NEAR THE ITCZ.

...ITCZ...7N78W 13N98W 14N107W 11N112W 
10N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...

WEST OF 120W...

MID-LEVEL TROUGH EXTENDS FROM 32N126W TO  A CYCLONIC CIRCULATION 
AT 9N142W. A LARGE RIDGE IS EAST OF THE TROUGH TO ANOTHER N/S 
TROUGH OVER THE EXTREME EAST PART OF THE AREA.  A LARGE AREA OF 
MODERATE TO STRONG SUBSIDENCE PRIMARILY NORTH OF 21N THAT 
EXTENDS WESTWARD TO MERGE WITH STRONG SUBSIDENCE PRODUCED BY THE 
MID/UPPER LEVEL RIDGE.  MODERATE TO STRONG EASTERLY UPPER LEVEL 
EASTERLY WINDS ARE  NORTH OF THE CIRCULATION. 
THE REMAINDER OF TH AREA IS UNDER MODERATE SUBSIDENCE 
AND ASSOCIATED DRY AIR WITH ONLY ISOLATED SHOWERS AND 
THUNDERSTORMS NOTED.
  
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TORRES