000
AXPZ20 KNHC 170907
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SUN NOV 17 2013

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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

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

THE MONSOON TROUGH EXTENDS FROM 08N83W TO 09N90W TO 07N101W TO 
09N109W. THE ITCZ EXTENDS FROM 13.5N124W TO BEYOND 06N140W. NO 
SIGNIFICANT CONVECTION WAS NOTED.
 
...DISCUSSION... 

HIGH PRESSURE OF 1022 MB IS CENTERED N OF THE AREA NEAR 33N133W 
WITH ASSOCIATED RIDGE EXTENDING SE TO NEAR 20N112W. ALTHOUGH THE 
AREA OF HIGH PRESSURE HAS SHIFTED CLOSER TO THE FORECAST 
AREA...IT HAS WEAKENED ENOUGH TO LOOSEN THE PRESSURE GRADIENT 
OVER THE FAR WESTERN PART OF THE FORECAST AREA. PER LATEST ASCAT 
PASS...FRESH WINDS ARE CONFINED TO A SMALL AREA FROM 14N TO 20N 
W OF 136. THERE IS A SMALL AREA OF LINGERING NE SWELL WITH SEAS 
TO 9 FT FROM 13N TO 22N W OF 134W. THE HIGH PRESSURE CENTER WILL 
FURTHER WEAKEN TODAY AND WINDS WILL DIMINISH TO THE 15 KT RANGE 
OVER THIS AREA BY THIS AFTERNOON. ASSOCIATED SEAS WILL SUBSIDE 
BELOW 8 FT BY THIS EVENING. 

FARTHER TO THE SOUTHEAST...LOCALLY ENHANCED WINDS TO 20 KT ARE 
PULSING THROUGH THE GULF OF PAPAGAYO. THESE WINDS WILL DIMINISH 
BELOW 20 KT BY EARLY THIS AFTERNOON. GLOBAL MODELS CONTINUE TO 
INDICATE SW WINDS INCREASING TO THE 20-25 KT RANGE FROM 02N TO 
05N BETWEEN 77W TO 84W WITH SEAS BUILDING TO 8 FT BY EARLY MON. 

$$
AL