000
AXPZ20 KNHC 200340
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0405 UTC FRI SEP 20 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0330 UTC.

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

THE MONSOON TROUGH EXTENDS FROM 16N101W TO 13N105W TO 14N116W TO 
11N132W...THEN TRANSITIONS TO AN ITCZ TO 09N140W. NO SIGNIFICANT 
CONVECTION. 

...DISCUSSION...

SCATTEROMETER DATA SHOWS GENTLE TO MODERATE WINDS ACROSS NEARLY 
THE ENTIRE FORECAST AREA. A BROAD RIDGE PREVAILS OVE THE NW 
PORTION OF THE AREA EXTENDING SW FROM A 1018 MB HIGH CENTERED 
NEAR 29N133W TO NEAR 18N117W. A COLD FRONT FROM 40N132W TO 
31N145W WILL WEAKEN AS IT APPROACHES 30N THIS EVENING...HOWEVER 
NW SWELL ASSOCIATED WITH THE FRONT IS EXPECTED TO SWEEP 
SOUTHEASTWARD INTO THE NW PART OF THE DISCUSSION AREA TODAY. 8 
FT SEAS ARE EXPECTED N OF 28N W OF 130W BY SAT MORNING. BENIGN 
MARINE CONDITIONS PREVAIL ELSEWHERE ACROSS THE AREA...AND LITTLE 
CHANGE IS EXPECTED THIS WEEKEND.
 
$$
MUNDELL