000
AXPZ20 KNHC 150243
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT MAR 15 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.                           

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

ITCZ EXTENDS FROM 09N84W TO 03N92W TO 02N100W TO 05N120W TO 
02N134W. SCATTERED MODERATE CONVECTION IS FROM 03N TO 07N 
BETWEEN 101W AND 105W... AND FROM 02N TO 07N BETWEEN 110W AND 
125W.

...DISCUSSION... 

IN THE UPPER LEVELS...AN UPPER LEVEL RIDGE HAS ENTERED THE NW 
CORNER WITH STRONG SUBSIDENCE. A SHARP UPPER LEVEL TROUGH IS 
OVER THE WESTERN AREA WITH AXIS FROM THE COAST OF N BAJA 
CALIFORNIA AT 30N118W TO 13N138W. UPPER LEVEL DIFFLUENCE AND 
BROKEN TO OVERCAST HIGH CLOUDS ARE WITHIN 600 NM E OF THE TROUGH 
AXIS. MOSTLY ZONAL FLOW IS BETWEEN 110W AND 120W. UPPER LEVEL 
RIDGING IS E OF 110W WITH STRONG SUBSIDENCE S OF 20N OVER S 
MEXICO AND CENTRAL AMERICA. 

ON THE SURFACE...A 1028 MB HIGH IS JUST N OF THE AREA AT 
35N131W. SURFACE RIDGING IS OVER THE NW AREA N OF 15N AND W OF 
115W. AN AREA OF 20 KT OR LESS TRADEWINDS WITH 8 FT NW SWELL IS 
FROM 06N TO 11N BETWEEN 131W AND 139W AND GROWING IS SIZE. A NEW 
NW SWELL TRAIN WILL ENTER THE NW CORNER SAT AFTERNOON WITH SEAS 
FROM 8 TO 11 FT. THIS SWELL WILL CONTINUE TO MOVE SE SUN. 

GAP WINDS...

THE GULF OF TEHUANTEPEC GALE WAS TERMINATED AT 14/1800 UTC. 
RESIDUAL WINDS 20 KT OR LESS AND SEAS 8 TO 10 FT IN MIXED NE AND 
NW SWELL ARE FROM 07N TO 12N BETWEEN 98W AND 103W. WINDS 20 KT 
OR LESS AND SEAS LESS THAN 8 FT ARE EXPECTED BY SAT EVENING.  
LOOKING AHEAD...RELATIVELY BENIGN CONDITIONS PERSIST IN THE GULF 
OF TEHUANTEPEC SUNDAY. ANOTHER ROUND OF GALE-FORCE WINDS IS 
EXPECTED TO PUSH INTO THE GULF OF TEHUANTEPEC ON MON AFTERNOON 
AS THE NEXT STRONG COLD FRONT MOVES THROUGH THE GULF OF MEXICO. 

THE GULF OF PAPAGAYO WILL PULSE 20 TO 25 KT WINDS FOR THE NEXT 
24 HOURS WITH SEAS BUILDING TO 8 FT. 

SIMILARLY A PULSE OF FRESH TO STRONG GAP WINDS CAN BE EXPECTED 
IN THE GULF OF PANAMA SAT NIGHT PUSHING SOUTH OF THE AZUERO 
PENINSULA. 

NW WINDS 20 TO 25 KT WITH SEAS LESS THAN 8 FT ARE EXPECTED OVER 
THE GULF OF CALIFORNIA N OF 25N SAT EVENING...AND IS EXPECTED TO 
LAST THROUGH SUN EVENING. 

$$
FORMOSA