000
AXPZ20 KNHC 020325
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                      
0405 UTC WED MAR 02 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
0300 UTC.               
  
...SPECIAL FEATURE...

GULF OF TEHUANTEPEC GALE WARNING...STRONG TO NEAR GALE-FORCE N
WINDS WILL DEVELOP OVER THE GULF OF TEHUANTEPEC EARLY WED
MORNING. WINDS WILL INCREASE TO MINIMAL GALE FORCE EARLY THU
MORNING WITH SEAS BUILDING TO 10 FT. THE N WINDS WILL QUICKLY
DIMINISH TO NEAR GALE-FORCE SEVERAL HOURS LATER THU MORNING WITH
SEAS SUBSIDING TO LESS THAN 8 FT AT NIGHT HOURS. ANOTHER STRONG
SURGE IS EXPECTED TO DEVELOP SAT THROUGH SUN.    

...INTERTROPICAL CONVERGENCE ZONE...

A SURFACE TROUGH EXTENDS FROM 09N84W TO 05N88W. THE ITCZ BEGINS
NEAR 05N88W AND CONTINUES ALONG 02N120W TO BEYOND 0N140W.
SCATTERED MODERATE CONVECTION IS FROM 02N TO 08N BETWEEN 101W
AND 109W...AND FROM 0N TO 03N W OF 115W.

...DISCUSSION...
 
HIGH PRESSURE OF 1023 MB CENTERED N OF THE AREA NEAR 31N126W
EXTENDS A RIDGE SE TO NEAR 15N103W AND SW TO BEYOND 08N140W. THE
PRESSURE GRADIENT BETWEEN THE AREA OF HIGH PRESSURE AND LOWER
PRESSURE IN THE VICINITY OF THE ITCZ MAINTAINS MODERATE TO
LOCALLY FRESH TRADES OVER THE WESTERN WATERS N OF THE ITCZ.
TRADES WILL MAINTAIN IN THE MODERATE TO FRESH RANGE THROUGH THE
NEXT COUPLE OF DAYS. SUBSIDING NW PRIMARY SWELL MIXING WITH
SOUTHERLY SECONDARY SWELL COVERS MUCH OF THE SOUTHERN PART OF
THE FORECAST AREA WITH SEAS TO 9 FT MAINLY FOUND S OF 08N. THIS
SWELL WILL CONTINUE TO SUBSIDE AND BY THU MORNING SEAS WILL
REACH 8 FT. A COLD FRONT WILL MOVE INTO THE FAR NW WATERS EARLY
WED MORNING WITH STRONG TO NEAR GALE WINDS AHEAD OF IT. BY WED
AFTERNOON WINDS W OF THE FRONT WILL BE LESS THAN 20 KT...HOWEVER
NW SWELL WILL BUILD SEAS TO NEAR 19 FT BY WED NIGHT. FRESH TO
STRONG SW WINDS WILL CONTINUE E OF THE FRONT THROUGH WED
AFTERNOON.

GAP WINDS... 

WINDS WILL PULSE OVER THE GULF OF PAPAGAYO OVER THE NEXT COUPLE
OF DAYS. WINDS WILL PEAK NEAR 25 KT DURING THE LATE NIGHT AND
EARLY MORNING HOURS WITH THE ASSISTANCE OF NOCTURNAL DRAINAGE
FLOW. WINDS WILL DIMINISH TO 20 KT OR LESS DURING THE AFTERNOON
AND EARLY EVENING HOURS. SEAS WILL BUILD TO 8 FT THU
MORNING...HOWEVER WILL QUICKLY SUBSIDING BELOW 8 FT THU NIGHT.  

$$
NR