000
AXPZ20 KNHC 090241
TWDEP 

TROPICAL WEATHER DISCUSSION                                      
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC SUN AUG 9 2015

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 
0200 UTC.

...TROPICAL WAVES...

A TROPICAL WAVE ALONG 88W FROM 02N-10N MOVING W AT 10-15 KT HAS 
ISOLATED CONVECTION WITHIN 60-90 NM OF THE WAVE AXIS.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...            

MONSOON TROUGH AXIS IS FROM 10N85W TO 07N98W TO 08N105W. ITCZ 
AXIS IS FROM 08N105W TO 09N113W TO 07N122W TO 11N133W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WITHIN 90 NM S AND 60 NM N 
OF THE TROUGH AXIS E OF 100W. 

...DISCUSSION...

HURRICANE HILDA CONTINUES TO MOVE W AWAY FROM THE DISCUSSION 
AREA. WINDS AND SEAS ASSOCIATED WITH THE TROPICAL CYCLONE ARE 
EXITING THE AREA. REFER TO THE LATEST HIGH SEAS FORECAST ISSUED 
BY WFO HONOLULU UNDER AWIPS/WMO HEADERS HFOHSFNP AND FZPN40 FOR 
MORE DETAILS. 

ANIMATED VIS SATELLITE IMAGERY SHOWS SOME SIGNS OF ORGANIZATION 
WITH A WEAK CYCLONIC CIRCULATION INDICATED NEAR 16N123W. THIS 
DISTURBANCE IS EXPECTED TO MOVE W WITH SLOW DEVELOPMENT POSSIBLE 
IN THE NEXT DAY OR TWO...BEFORE ENVIRONMENTAL CONDITIONS BECOME 
UNFAVORABLE.

ELSEWHERE A BROAD RIDGE PREVAILS ACROSS NORTHERN WATERS N OF 18N 
W OF 112W. MODERATE S PREVAILS OVER SOUTHERN WATERS S OF 07N E 
OF 110W...BECOMING SE W OF 110W. SCATTEROMETER DATA AT 1830 UTC  
SHOWED WINDS LESS THAN 20 KT ACROSS THE ENTIRE BASIN EXCEPT FOR 
A SMALL AREA OF 20 KT WINDS ASSOCIATED WITH A PRESSURE GRADIENT 
BETWEEN THE RIDGE AND HILDA CENTERED NEAR 18N138W. MODELS SHOW 
WINDS REMAINING BELOW 20 KT ACROSS THE ENTIRE DISCUSSION AREA 
THROUGH MON. 
 
MIXED SE WIND WAVES AND SW SWELL WITH COMBINED SEAS TO 8 FT IS S 
OF 02S W OF 110W. THIS AREA OF HIGHER SEAS WILL EXPAND EASTWARD 
TO THE COAST OF SOUTH AMERICA AND SLOWLY NORTHWARD TO AROUND 04N-
05N THROUGH MON.

$$
MUNDELL