000
AXPZ20 KNHC 012126
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC THU SEP 01 2011

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 
2100 UTC.

...ITCZ/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 14N93W THEN RESUMES AT 16N101W TO 
17N107W TO 15N115W TO 17N124W TO 10N140W. SCATTERED MODERATE 
ISOLATED STRONG FROM 17N TO 22N BETWEEN 102W AND 108W. SCATTERED 
TO NUMEROUS MODERATE TO ISOLATED STRONG N OF 04N BETWEEN 80W AND 
86W. SCATTERED MODERATE WITHIN 60 NM S OF LINE FROM 06N87W TO  
07N95W.

...DISCUSSION...

STRONG HIGH PRESSURE CENTERED NW OF THE AREA NEAR 41N144W 1032 
MB HAS RIDGE EXTENDING SE TO NEAR 25N125W. AN UPPER LEVEL TROUGH 
OVER THE NW PART OF THE AREA IS HELPING TO WEAKEN THE RIDGE. 
FRESH 20 KT WINDS REMAIN OVER THE FAR N PART OF THE AREA N OF 
27N W OF 122W. HOWEVER...AS THE RIDGE CONTINUES TO WEAKEN OVER 
THE NEXT DAY...WINDS AREA EXPECTED TO DIMINISH BELOW 20 KT. SEAS 
N OF 20N REMAIN IN THE 8 TO 10 FT RANGE IN A MIX OF N AND SW 
SWELL. BOTH THE SOUTHERLY AND NORTHERLY SWELLS ARE FORECAST TO 
SUBSIDE OVER THE NEXT FEW DAYS.

FRESH 20 KT MONSOONAL SW FLOW WITH SEAS TO 11 FT IN SW SWELL 
PREVAILS FROM 10N TO 13N BETWEEN 104W AND 116W. ELSEWHERE CROSS 
EQUATORIAL SW SWELL IS NOTED S OF 20N BETWEEN 80W AND 125W 
RESULTING IN COMBINED SEAS OF 8 TO 10 FT. 
 
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AL