000
AXPZ20 KNHC 081555
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC TUE JUN 08 2010

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 WAVE...
TROPICAL WAVE IS ALONG 89W/90W TO THE SOUTH OF 11N DRIFTING 
WESTWARD. NUMEROUS STRONG SHOWERS AND THUNDERSTORMS ARE FROM
10N TO 13N BETWEEN 91W AND 93W.

...ITCZ...

INTERTROPICAL CONVERGENCE ZONE...08N78W 09N95W 12N104W 08N119W 
11N130W 07N140W. SCATTERED STRONG SHOWERS AND THUNDERSTORMS
ARE FROM 10N TO 12N BETWEEN 94W AND 96W...WITHIN A 30 NM RADIUS
OF 13N102W...FROM 9N TO 12N BETWEEN 128W AND 130W...AND FROM
8N TO 11N BETWEEN 132W AND 135W. NUMEROUS STRONG SHOWERS AND 
THUNDERSTORMS ARE FROM 13N TO 15N BETWEEN 92W AND 95W.

...DISCUSSION...
A MIDDLE LEVEL TO UPPER LEVEL TROUGH EXTENDS FROM 31N117W TO
A CYCLONIC CIRCULATION CENTER THAT IS NEAR 22N128W BEYOND 
15N140W. DRY AIR IN SUBSIDENCE SURROUNDS THIS FEATURE...
WITH NO ASSOCIATED CONVECTIVE PRECIPITATION. A REMNANT CLOUD 
LINE/SHEAR AXIS AT THE SURFACE IS ALONG 25N119W 17N130W TO 
18N140W.  
 
BROAD MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW COVERS THE AREA 
FROM 10N TO THE SOUTHWESTERN GULF OF MEXICO BETWEEN 90W AND 104W.

A MIDDLE LEVEL TO UPPER LEVEL TROUGH EXTENDS FROM A NORTHEASTERN 
MEXICO CYCLONIC CIRCULATION CENTER THAT IS NEAR 27N101W TO 
21N104W IN WEST CENTRAL MEXICO.

ONE SURFACE TROUGH IS ALONG 14N103W 12N104W 8N107W MOVING 
WESTWARD 10 KT. SCATTERED STRONG SHOWERS AND THUNDERSTORMS
ARE WITHIN A 30 NM RADIUS OF 13N102W.

A SECOND SURFACE TROUGH IS ALONG 12N129W 9N131W 6N132W MOVING 
WESTWARD 10 KT. STRONG SHOWERS AND THUNDERSTORMS ARE FROM 9N TO 
12N BETWEEN 128W AND 130W...AND FROM 8N TO 11N BETWEEN 132W AND 
135W.  

A SURFACE RIDGE IS ALONG 17N113W 20N123W 25N134W BEYOND 27N140W.

MIXED CROSS-EQUATORIAL SOUTHEASTERLY AND SOUTHWESTERLY SWELL
REACHING 9 FEET COVERS THE SOUTHERN PART OF THE DISCUSSION AREA 
TO THE SOUTH OF 8N BETWEEN 80W AND 110W. THIS SWELL IS EXPECTED 
TO SUBSIDE GRADUALLY THROUGH LATE WEDNESDAY. 

$$
MT