000 AXPZ20 KNHC 242106 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC TUE APR 24 2012 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2100 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... ITCZ AXIS FROM 08N86W TO 04N102W TO 04N124W. SCATTERED MODERATE CONVECTION WITHIN 180 NM N OF AXIS BETWEEN 95W AND 105W. SCATTERED MODERATE TO STRONG CONVECTION WITHIN 180 NM N OF AXIS BETWEEN 110W TO 124W. ...DISCUSSION... SURFACE LOW PRESSURE 1010 MB CENTERED JUST N OF THE AREA NEAR 32N132W WITH ASSOCIATED COLD FRONT OVER FORECAST WATERS FROM 30N125W TO 24N130W THEN STATIONARY TO 16N139W. THE WEAKENING LOW PRESSURE WILL SHIFT INTO THE FAR N PART OF THE AREA BY WED...THEN DISSIPATE BY THU. NW SWELL GENERATED FROM THIS SYSTEM WILL SPREAD SE ACROSS NW CORNER OF BASIN WITH SEAS PEAKING NEAR 17 FT TONIGHT BEFORE SUBSIDING THROUGH THU. GAP WINDS... GULF OF TEHUANTEPEC...HIGH PRES CENTERED OVER THE NORTHERN PART OF THE GULF OF MEXICO...NORTHERLY WINDS CONTINUE TO FUNNEL THROUGH THE CHIVELA PASS INTO THE GULF OF TEHUANTEPEC WITH WINDS TO GALE FORCE CONTINUING. THE AREA OF HIGH PRESSURE WILL SHIFT EASTWARD TONIGHT...AND WINDS OVER THE SW GULF OF MEXICO WILL VEER. THIS WILL DECREASE FLOW INTO THE GULF OF TEHUANTEPEC TONIGHT AND WINDS WILL DIMINISH BELOW GALE FORCE. GULF OF PAPAGAYO...EASTERN MIGRATION OF THE HIGH PRES CENTER OVER GULF OF MEXICO INCREASED THE PRESSURE GRADIENT OVER WESTERN CARIBBEAN AND CENTRAL AMERICA. THIS HAS INCREASED FLOW THROUGH THE GAP IN TOPOGRAPHY OVER NICARAGUA YIELDING FRESH TO STRONG E WINDS THROUGH GULF OF PAPAGAYO. THESE WINDS ARE EXPECTED TO CONTINUE THROUGH WED. GULF OF PANAMA...PRESSURE GRADIENT MENTIONED ABOVE ALSO INCREASED NORTHERLY WINDS INTO THE GULF OF PANAMA. THESE WINDS WILL DIMINISH BELOW 20 KT BY THU AFTERNOON. $$ AL