000
AXPZ20 KNHC 080259
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON AUG 08 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0245 UTC.

...ITCZ/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 12N103W TO 09N122W THEN ITCZ TO 
10N140W. SCATTERED MODERATE CONVECTION WAS NOTED WITHIN 120 NM S 
OF AXIS BETWEEN 105W AND 118W.

...DISCUSSION...

LOW PRES...THE REMNANTS OF EUGENE ARE CENTERED NEAR 20N133W. 
WINDS OF 20 TO 30 KT REMAIN WITHIN 210 NM N OF THE CENTER OF THE 
LOW WITH SEAS 8 TO 12 FT. BROAD SURFACE HIGH PRES 1032 MB WELL 
NW OF BASIN HAS RIDGE EXTEND SE TO 20N120W. THE PRESSURE 
GRADIENT BETWEEN THE RIDGE AND THE REMNANTS OF EUGENE ARE 
SUPPORTING THE STRING TO NEAR GALE WINDS. THE LOW WILL CONTINUE 
TO FILL OVER THE NEXT 24 HOURS...AND IS EXPECTED TO DISSIPATE BY 
36 TO 48 HOURS. THE WEAKENING LOW PRESSURE WILL RELAX THE 
PRESSURE GRADIENT OVER THIS TIME...WITH CORRESPONDING WINDS AND 
SEAS DECREASING OVER THIS TIME. BY 48 HOURS...WINDS WILL BE LESS 
THAN 20 KT WITH ONLY A SMALL AREA OF 8 FT SEAS FROM 20N TO 25N W 
OF 137W IN NE SWELL.
 
CROSS-EQUATORIAL SOUTHERLY SWELL CONTINUES TO PROPAGATE ACROSS 
THE REGIONAL WATERS MAINLY S OF 10N AND W OF 100W WITH SEAS TO 9 
FT. THIS SWELL WILL BECOME CONFINED TO W OF 102W IN 24 
HOURS...THEN TO W OF 106W IN 48 HOURS.

$$
AL