000
AXPZ20 KNHC 280915
TWDEP 

TROPICAL WEATHER DISCUSSION                                                                                                            
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1005 UTC FRI FEB 28 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.                           

...SPECIAL FEATURE...

A STRONG COLD FRONT EXTENDS ACROSS THE FORECAST AREA FROM 
30N125W TO 19N140W. HI-RES ASCAT SCATTEROMETER DATA AT 0640 UTC 
SHOWED GALE FORCE WINDS TO 40 KT N OF 25N W OF THE FRONT. SEAS 
ARE CURRENTLY REACHING 24 FT NW OF THE FRONT. WINDS ASSOCIATED 
WITH THE COLD FRONT W OF THE FRONT WILL DIMINISH BELOW GALE 
FORCE BY SAT MORNING. 

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

THE MONSOON TROUGH EXTENDS FROM 08N83W TO 04N93W TO 05N105W 
WHERE LOW LEVEL WINDS SUGGEST A TRANSITION TO ITCZ WHICH EXTENDS 
TO 07N115W TO 04N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION IS OCCURRING WITHIN 90 NM EITHER SIDE OF THE MONSOON 
TROUGH AXIS BETWEEN 84W AND 91W.

...DISCUSSION...

WEAKENING 1014 MB HIGH CENTERED W OF THE BAJA PENINSULA NEAR 
26N117W. A SMALL AREA OF FRESH NW TO N WINDS ARE ALONG THE COAST 
BETWEEN THE HIGH AND THE PENINSULA. WINDS WILL DIMINISH THIS 
MORNING AS THE HIGH CONTINUES TO WEAKEN IN ADVANCE OF THE STRONG 
COLD FRONT MENTIONED IN SPECIAL FEATURES. A WEAK PRES GRADIENT 
BETWEEN THE HIGH AND THE CONVERGENCE ZONE IS SUPPORTING GENTLE 
TO MODERATE WINDS OVER MUCH OF THE FORECAST AREA.

SW FLOW WILL INCREASE OVER THE NORTHERN GULF OF CALIFORNIA 
TONIGHT AHEAD OF THE ADVANCING COLD FRONT...WITH WINDS PEAKING 
AT 25-30 KT LATE FRI NIGHT  AND EARLY SAT. WINDS WILL THEN 
DIMINISH THROUGH SAT AS THE FRONT WEAKENS.

LONG PERIOD NW SWELL GENERATED BY GALE FORCE WINDS WILL CONTINUE 
TO PROPAGATE SE ACROSS THE AREA...WITH COMBINED SEAS TO 8 FT 
COVERING MUCH OF THE AREA N OF 10N W OF 115W BY SAT AFTERNOON. 

GAP WINDS...WINDS WILL PULSE TO 20 TO 25 KT THIS MORNING THROUGH 
THE GULF OF TEHUANTEPEC AS WEAK HIGH PRES MOVES ACROSS THE GULF 
OF MEXICO. MODERATE TO FRESH PULSES WILL ALSO OCCUR THROUGH THE 
GULF OF PAPAGAYO TONIGHT...WITH A STRONGER PULSE EXPECTED SAT 
NIGHT INTO SUN MORNING. 

$$
MUNDELL