000
AXPZ20 KNHC 290331
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                      
0405 UTC SUN MAR 01 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
0315 UTC.               

...INTERTROPICAL CONVERGENCE ZONE...

SURFACE TROUGH EXTENDS FROM 06N88W TO 03N95W TO 03N103W. ITCZ
EXTENDS FROM 03N103W TO 03N120W TO 01N140W. NO SIGNIFICANT
CONVECTION IS NOTED.

...DISCUSSION...

1025 MB HIGH IS CENTERED JUST N OF THE AREA NEAR 32N129W. A
RIDGE EXTENDS SE TO NEAR 17N107W AND SW TO BEYOND 27N140W. THE
PRESSURE GRADIENT BETWEEN THIS AREA OF HIGH PRESSURE AND LOWER
PRESSURE IN THE VICINITY OF THE ITCZ IS MAINTAINING MODERATE TO
FRESH TRADEWINDS OVER THE WESTERN WATERS N OF THE ITCZ. LONG
PERIOD NW SWELL...MIXING WITH SOUTHERLY SWELL IS DOMINATING THE
WATERS W OF 105W WITH SEAS GREATER THAN 8 FT COVERING THIS AREA.
SEAS WILL SLOWLY SUBSIDE OVER THE NEXT COUPLE OF DAYS AND
COVERAGE OF THE 8 FT SEAS WILL DECREASE SLIGHTLY BY TUE. A NEW
SET OF NW SWELLS WILL REACH THE FAR NW WATERS MON NIGHT.

GAP WINDS...

THE GULF OF TEHUANTEPEC GALE TERMINATED SUN AFTERNOON. WINDS ARE
NOW 20 KT OR LESS HOWEVER RESIDUAL NE SWELL REMAINS DOWNSTREAM.
THIS SWELL IS MERGING WITH MORE NE SWELL GENERATED FROM THE GULF
OF PAPAGAYO GAP WIND EVENT AS WELL AS WITH LONG PERIOD NW AND SW
SWELL RESULTING IN COMBINED SEAS GREATER THAN 8 FT COVERING MUCH
OF THE WATERS SOUTH OF 15N BETWEEN 90W AND 110W. THE SEAS WILL
START TO SUBSIDE MONDAY NIGHT. 

20-25 KT WINDS CONTINUE ACROSS THE GULF OF PAPAGAYO. THE HIGH
OVER THE NE GULF OF MEXICO THAT IS HELPING PRODUCE THE TIGHT
PRESSURE GRADIENT WILL WEAKEN OVER THE NEXT COUPLE OF DAYS. THIS
WILL DIMINISH WINDS FUNNELING INTO THE GULF OF PAPAGAYO. FRESH
WINDS ARE EXPECTED TO CONTINUE OVER THE GULF OF PAPAGAYO THROUGH
TUE MORNING BEFORE DIMINISHING TO 20 KT OR LESS BY TUE AFTERNOON.
SWELL GENERATED FROM THE GAP WIND EVENT WILL MERGE WITH THE
SWELL GENERATED BY THE GULF OF TEHUANTEPEC AS WELL AS LONG
PERIOD SW AND NW SWELL. 

20-25 KT WINDS PREVAIL OVER THE GULF OF PANAMA. AN AREA OF SWELL
HAS MOVED DOWNSTREAM AND IS NOW FROM 02N TO 05N BETWEEN 81W AND
84W. SEAS ARE TO 8 FT. WINDS WILL DIMINISH OVER THE 24 HOURS TO
20 KT OR LESS WITH SEAS LESS THAN 8 FT. 

$$
FORMOSA