000 AXPZ20 KNHC 180921 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC WED MAR 18 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0900 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... ILL-DEFINED MONSOON TROUGH EXTENDS FROM 08N111W TO 1013 MB LOW PRES 09N117W TO 07N123W. ITCZ EXTENDS FROM 07N123W TO 06N140W. SCATTERED MODERATE CONVECTION WITHIN 45 NM EITHER SIDE OF AXIS BETWEEN 111W AND 122W. ...DISCUSSION... FOR THE FIRST TIME IN SEVERAL WEEKS THIS WINTER...THERE ARE NO ONGOING GAP WIND EVENTS THAT MEET ADVISORY CRITERIA OF 20-25 KT WINDS AND 8 FT SEAS...NOR ARE ANY EXPECTED TO DEVELOP DURING THE NEXT 2-3 DAYS. THIS IS AN INDICATION THE WINTER SEASON IS ENDING AND WE ARE MOVING INTO THE SPRING TRANSITION SEASON WITH FEWER STRONG COLD FRONTS PUSHING FAR SOUTH INTO THE TROPICS WITH AREAS OF STRONG HIGH PRESSURE IN THE WESTERN CARIBBEAN AND SW GULF OF MEXICO PROVIDING THE BASIS FOR STRONG DIURNAL WINDS THROUGH THE USUAL LOCATIONS SUCH AS TEHUANTEPEC AND PAPAGAYO. SCATTEROMETER DATA SHOWS GENTLE TO MODERATE WINDS PREVAIL OVER THE ENTIRE BASIN THIS MORNING. AN AREA OF STRONG 25-30 KT WINDS ALONG THE COAST OF CENTRAL CALIFORNIA WILL GENERATE AN AREA OF 8- 10 FT N-NW SWELL THAT WILL SWEEP SOUTHWARD ACROSS 30N THIS EVENING BETWEEN 119W AND 127W. 8 FT SEAS ARE EXPECTED N OF 28N BETWEEN 121W AND 125W THROUGH EARLY FRI MORNING. AN AREA OF 7-10 FT SEAS ASSOCIATED WITH A COLD FRONT N OF THE AREA WILL APPROACH FAR NW WATERS THU NIGHT BUT LATEST WAVE MODEL GUIDANCE INDICATES IT WILL NOT REACH 8 FT WITHIN THE DISCUSSION AREA. OTHERWISE... EXPECT GENERALLY TRANQUIL CONDITIONS WITH GENTLE WINDS AND LIGHT SEAS TO CONTINUE THROUGH EARLY SATURDAY. $$ MUNDELL