000
AXPZ20 KNHC 050320
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0400 UTC SUN SEP 05 2010

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

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

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS IS ALONG 10N86W TO 09N91W 
THEN RESUMES AT 14N103W TO 12.5N112W TO 08.5N126W TO 11.5N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 60 NM N AND 
90 NM S OF AXIS E OF 91W. SCATTERED MODERATE CONVECTION WITHIN 
150 NM N AND 90 NM S OF AXIS W OF 135W. SCATTERED MODERATE 
CONVECTION IS WITHIN 90 NM OF THE COAST OF COLOMBIA.

...DISCUSSION...
ALOFT...
A LARGE UPPER LEVEL ANTICYCLONE IS CENTERED S OF CALIFORNIA NEAR 
32N118W WITH A RIDGE AXIS EXTENDING SW TO 17N133W. 
OTHERWISE...NE UPPER LEVEL WINDS PREVAIL OVER MUCH OF THE DEEP 
TROPICS. 

SURFACE... 
A WEAK RIDGE EXTENDS SE FROM STRONG HIGH PRESSURE CENTERED NEAR 
44N146W TO 21N124W. FRESH TO STRONG NORTHERLY FLOW ON THE 
EASTERN SIDE OF THIS HIGH PRESSURE CENTER WILL GENERATE 
NORTHERLY SWELL WHICH IS EXPECTED TO PROPAGATE SOUTHWARD INTO 
THE WATERS N OF 26N AND W OF 118W BY MONDAY NIGHT. 
ELSEWHERE...SOUTHERLY SWELL THAT HAS PREVAILED OVER THE SOUTHERN 
PORTION OF THE AREA WILL GRADUALLY SUBSIDE OVER THE NEXT 48 
HOURS...AND COVERAGE OF 8 FT OR GREATER SEAS WILL DECREASE. 

$$
AL