000
AXPZ20 KNHC 092107
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SUN JUL 09 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2045 UTC.

...TROPICAL WAVES...

TROPICAL WAVE ALONG 85W N OF 4N INTO CENTRAL AMERICA IS MOVING W 
15 KT. STRONG CONVECTION IS LOCATED OVER MOST OF NICARAGUA AND 
COSTA RICA IN ASSOCIATION WITH THE WAVE.

TROPICAL WAVE ALONG 104W FROM 4N TO 16N IS MOVING W 15 KT.
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED AHEAD 
OF THE WAVE AXIS AND ASSOCIATED WITH THE ITCZ.

TROPICAL WAVE ALONG 113W FROM 5N TO 15N IS MOVING W 15 KT. 
CONVECTION ASSOCIATED WITH THE ITCZ IS LOCATED EITHER SIDE OF 
THE WAVE AXIS.
 
TROPICAL WAVE ALONG 122W FROM 5N TO 16N IS MOVING W 15 KT. A 
1009 MB LOW IS ATTACHED TO THE WAVE AT 13N122W. THE LOW IS 
DEFINED BY A SWIRL OF LOW CLOUDS AND A SMALL AREA OF CONVECTION. 
BROAD CYCLONIC TURNING IS NOTED EITHER SIDE OF THE WAVE.

..ITCZ...

INTERTROPICAL CONVERGENCE ZONE...AXIS 8N78W 9N95W 12N120W 
7N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 7N TO 
12N BETWEEN 86W AND 93W...FROM 7N TO 12N BETWEEN 95W AND 
101W...WITHIN A 120 NM RADIUS OF 8.5N107W...WITHIN 60 NM EITHER 
SIDE OF A 13N109W 9N113W LINE...AND WITHIN A 90 NM RADIUS OF 
12N118W.

...DISCUSSION...

A MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS CENTERED JUST N OF 
THE DISCUSSION AREA NEAR 35N139W. A TROUGH AXIS EXTENDS S FROM 
THE CIRCULATION TO NEAR 20N140W WITH BROAD CYCLONIC FLOW 
COVERING THE AREA N OF 20N W OF 125W. 

AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED IN THE 
VICINITY OF 19N117W AND IS NEARLY STATIONARY. THIS FEATURE 
COVERS THE AREA FROM ABOUT 12N TO 24N BETWEEN 110W AND 130W.

A DEVELOPING MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS CENTERED 
NEAR 15N105W. THIS FEATURE IS NEARLY STATIONARY. BROAD RIDGING 
ALOFT COVERS THE DEEP TROPICS E OF ABOUT 100W AND IS AIDING IN 
THE LARGE AREA OF CONVECTIVE CLOUD FORMATION W OF CENTRAL 
AMERICA AND S OF MEXICO.
   
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CAB