000
AXPZ20 KNHC 140235
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI MAR 14 2014

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 
0300 UTC.                           

...SPECIAL FEATURES...

GULF OF TEHUANTEPEC GALE WARNING...

GALE FORCE WINDS ARE OVER THE GULF OF TEHUANTEPEC WITH 45 KT 
WIND AND SEAS TO 15 FT. SATELLITE IMAGERY SHOWS A SURGING CLOUD 
LINE TO 11N100W THAT MOST LIKELY DELINEATES THE LEADING EDGE OF 
20 KT WINDS. THE GALE WILL END BY FRIDAY AFTERNOON. SHORT PERIOD 
8 TO 10 FT NE SWELL WILL EXTEND FROM 08N TO 13N BETWEEN 95W AND 
102W FRIDAY EVENING. WINDS WILL BE 20 KT OR LESS BY FRIDAY NIGHT.

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

ITCZ FROM 07N89W TO 01N102W. SCATTERED MODERATE IS WITHIN 60 NM 
OF THE AXIS. A SECONDARY ITCZ FROM 3S104W TO BEYOND 3S120W.  

...DISCUSSION... 

IN THE UPPER LEVELS...A SHARP UPPER LEVEL TROUGH IS OVER THE 
WESTERN AREA N OF 5N W OF 125W. UPPER LEVEL DIFFLUENCE E OF THE 
UPPER LEVEL TROUGH IS PRODUCING OVERCAST HIGH CLOUDS FROM 05N TO 
20N W OF 130W. MOSTLY ZONAL FLOW IS BETWEEN 110W AND 125W.  
UPPER LEVEL RIDGING IS E OF 110W. 

ON THE SURFACE...A 1026 MB HIGH IS JUST N OF THE AREA AT 
32N139W. SURFACE RIDGING IS OVER THE NW AREA N OF 15N AND W OF 
115W. A NW SWELL TRAIN IS OVER THE NW CORNER WITH SEAS TO 9 FT. 
THIS SWELL WILL MOVE E OVER THE NEXT 24 HOURS AND REMAIN N OF 
26N. ELSEWHERE AN AREA OF 20 TO 25 KT TRADEWINDS IS FORECAST FOR 
THIS AFTERNOON FROM 08N TO 12N BETWEEN 130W AND 140W WITH SEAS 
TO 8 FT. ANOTHER SWELL TRAIN OF 8 TO 11 FT WILL ENTER THE NW 
CORNER SAT EVENING.   

OTHER GAP WINDS...STRONG WINDS ARE EXPECTED IN THE GULF OF 
PAPAGAYO EARLY THIS MORNING DUE TO FRESH TRADEWIND FLOW OVER THE 
SW CARIBBEAN AND ADDED OVERNIGHT DRAINAGE IMPACTS. THESE WINDS 
WILL FILTER INTO THE GULF OF PAPAGAYO AGAIN OVER THE NEXT TWO 
MORNINGS. SIMILARLY A PULSE OF FRESH TO STRONG GAP WINDS ARE 
EXPECTED IN THE GULF OF PANAMA SAT NIGHT PUSHING SOUTH OF THE 
AZUERO PENINSULA. 

$$
FORMOSA