000
AXPZ20 KNHC 250232
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0405 UTC TUE MAR 25 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 
0230 UTC.                           

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

THE MONSOON TROUGH EXTENDS FROM 09N79W TO 03N94W. THE ITCZ 
EXTENDS FROM 05N96W TO 08N120W TO BEYOND 04N140W. SCATTERED 
MODERATE CONVECTION IS WITHIN 240 NM SE OF THE MONSOON TROUGH 
BETWEEN 84W AND 87W. NUMEROUS MODERATE AND SCATTERED STRONG 
CONVECTION IS WITHIN 120 NM EITHER SIDE OF THE ITCZ BETWEEN 96W 
AND 107W. SCATTERED MODERATE CONVECTION IS WITHIN 90 NM S OF THE 
ITCZ BETWEEN 119W AND 122W.
  
...DISCUSSION...  

A COLD FRONT EXTENDS FROM 30N136W TO 27N140W. ASSOCIATED WINDS 
ARE 20 KT OR LESS...HOWEVER A SET OF NW SWELL WITH SEAS OF 8-10 
FT IS ARRIVING BEHIND THE FRONT. THE FRONT WILL EXTEND FROM 
30N128W TO 25N140W BY 24 HOURS WHILE WEAKENING...THEN WILL 
DISSIPATE BY 48 HOURS. SEAS WILL BUILD TO UP TO 14 FT IN THE NW 
CORNER BY 12-24 HOURS...THEN WILL SUBSIDE SLIGHTLY TO 11 FT BY 
48 HOURS AS THE LEADING EDGE OF SEAS OF 8 FT OR GREATER COVERS 
THE WATERS N OF 20N W OF A LINE FROM 30N117W TO 20N125W.

WEAKENING 1022 MB HIGH PRESSURE IS E OF THE COLD FRONT NEAR 
28N132W WITH A RIDGE AXIS EXTENDING TO THE SE TO NEAR 16N105W. 
THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURE  
ALONG THE ITCZ CONTINUES TO SUPPORT FRESH TRADE WINDS FROM 10N 
TO 20N W OF 128W. THESE TRADES COMBINED WITH NW SWELL IS 
SUPPORTING COMBINED SEAS OF 8-9 FT ACROSS THAT AREA. THE HIGH 
CENTER WILL DISSIPATE DURING THE NEXT 24 HOURS...WHILE NEW HIGH 
PRESSURE BUILDS IN BEHIND THE COLD FRONT WHICH WILL CONTINUE TO 
MAINTAIN TRADES TO AT LEAST 20 KT THROUGH 48 HOURS.

GAP WINDS...                                                     
GULF OF TEHUANTEPEC...A COLD FRONT IS IN THE PROCESS OF MOVING 
THROUGH THE WESTERN GULF OF MEXICO. THIS FRONT WILL USHER IN 
NORTHERLY WINDS BEHIND IT WHICH WILL FUNNEL THROUGH THE CHIVELA 
PASS TO AND DOWNWIND OF THE GULF OF TEHUANTEPEC. EXPECT FRESH TO 
STRONG WINDS TO ARRIVE BY THIS TIME TOMORROW...INCREASING TO 
NEAR GALE FORCE LATE TUE NIGHT...THEN DIMINISHING TO 20 KT OR 
LESS BY 48 HOURS AS WINDS BEGIN TO BECOME LIGHT AND VARIABLE. 
ASSOCIATED SEAS WILL BUILD TO UP TO 11 FT LATE TUE NIGHT...THEN 
WILL SUBSIDE TO 8 FT BY 48 HOURS.

GULF OF PAPAGAYO...NE-E WINDS WILL INCREASE TO 20 KT DURING THE 
OVERNIGHT AND EARLY MORNING HOURS TONIGHT...THEN TO 20-25 KT 
EARLY WED MORNING AS THE PRESSURE GRADIENT OVER CENTRAL AMERICA 
TIGHTENS. SEAS WILL BUILD TO 8 FT DURING THE STRONGEST WINDS.

$$
LEWITSKY