000
AXPZ20 KNHC 250914
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT OCT 25 2008

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...
THE ITCZ AXIS IS CENTERED ALONG 9N85W 7N95W 12N110W 11N130W
8N140W. SCATTERED STRONG CONVECTION WITHIN 100 NM OF AXIS FROM 
121W-132W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 
150 NM S OF AXIS FROM 137W-140W.

...DISCUSSION...
A LARGE UPPER LEVEL CYCLONIC CIRCULATION IS OVER THE FAR NW 
PORTION OF THE DISCUSSION AREA NEAR 30N140W. NO SIGNIFICANT 
WEATHER ASSOCIATED WITH THIS FEATURE...EXCEPT FOR SOME HIGH 
LEVEL MOISTURE AROUND THE CENTER OF THE CIRCULATION. DOWNSTREAM 
RIDGE EXTENDS FROM 32N122W TO AND UPPER LEVEL ANTICYCLONIC 
CIRCULATION NEAR 11N133W. DIFFLUENT FLOW S OF THE ANTICYCLONE IS 
ENHANCING CONVECTIVE ACTIVITY ALONG THE ITCZ. MID/UPPER LEVEL 
TROUGH WITH AXIS FROM SE NEW MEXICO ACROSS NW MEXICO TO THE 
SOUTHERN TIP OF BAJA CALIFORNIA TO 15N113W. UPPER LEVEL 
ANTICYCLONIC CIRCULATION CENTERED OVER THE NW CARIBBEAN WITH 
RIDGE EXTENDING ACROSS BELIZE AND GUATEMALA TO 10N106W.

THE REMNANTS LOW OF T.D. SEVENTEEN-E...1010 MB...CENTERED NEAR 
17N108W. SCATTERED SHOWERS ARE WITHIN 150 NM NE QUADRANT OF THE 
LOW CENTER. SURFACE RIDGE HAS AXIS FROM 32N133W TO 21N115W. 
BROKEN TO OVERCAST STRATOCUMULUS CLOUDS ARE WITHIN THE RIDGE
N OF 17N W OF 120W.

$$
DGS