000 AXPZ20 KNHC 020946 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC WED APR 02 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 0945 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... ITCZ AXIS EXTENDS FROM 07N78W TO 02N116W TO 04N124W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS NOTED ALONG THE ITCZ WITHIN 90 NM EITHER SIDE OF A LINE FROM 06N91W TO 03N106W TO 03N114W...THEN ISOLATED STRONG WITHIN 120 NM OF LINE FROM 03N114W TO 07N125W. SCATTERED MODERATE ISOLATED STRONG IS DISSIPATING WITHIN 60 NM OF A LINE FROM 07N134W TO 07N140W. ...DISCUSSION... AN UPPER SHORTWAVE TROUGH EXTENDS INTO THE DISCUSSION AREA FROM 32N119W TO A BASE AT 26N125W. AN UPPER LEVEL ANTICYCLONE IS CENTERED AT 10N110W WITH AN UPPER RIDGE EXTENDING NE ACROSS OLD MEXICO. A RIDGE ALSO EXTENDS SW TO CREST OVER THE TROPICS AT 10N128W. ANOTHER UPPER ANTICYCLONE IS CENTERED NEAR 10N141W. AN UPPER CYCLONE IS OVER THE DEEP TROPICS AT 04N134W WITH AN INVERTED UPPER TROUGH EXTENDING N ALONG 134W TO NEAR 11N... EFFECTIVELY SEPARATING THE UPPER ANTICYCLONIC FLOW IN THAT AREA. UPPER DIFFLUENCE ALONG THE PERIPHERY OF THE UPPER RIDGES IS ENHANCING CONVECTION AS PREVIOUSLY MENTIONED WITH THE DEBRIS MOISTURE ADVECTED TO S ACROSS THE AREA W OF THE UPPER TROUGH ALONG 134W...AND ADVECTED NE ACROSS THE AREA E OF THE UPPER TROUGH...ROUGHLY WITHIN 120 NM EITHER SIDE OF A LINE FROM 10N133W TO ACROSS THE PACIFIC COAST OF MEXICO AT 19N105W. AN UPPER TROUGH EXTENDS SW ACROSS THE NW CARIBBEAN AND ACROSS HONDURAS AND GUATEMALA TO BASE OVER THE TROPICAL PACIFIC AT 09N92W. WEAK UPPER DIFFLUENCE E OF THE TROUGH AXIS HAS BEEN ENHANCING CONVECTION OVER THE PACIFIC COAST OF GUATEMALA AND EL SALVADOR. FURTHER TO THE S...ANOTHER AREA OF UPPER DIFFLUENCE HAS BEEN SUPPORTING THE CONVECTION ALONG THE ITCZ AS MENTIONED. REMNANTS OF A SURFACE COLD FRONT IS BARELY EVIDENT OVER THE NORTHERN BAJA PENINSULA. A SURFACE RIDGE EXTENDS E INTO THE AREA FROM 30N140W TO 11N104W. NW SWELL IS MIXING WITH LONG PERIOD CROSS-EQUATORIAL S SWELL RESULTING IN COMBINED SEAS OF 8-12 FT TO THE N OF 25N BETWEEN 118-140W. NE OF THIS RIDGE THE SURFACE WINDS ARE NW AT 15-20 KT ACROSS THE WATERS N OF 25N WITHIN 150 NM W OF THE BAJA PENINSULA...WITH 5-7 FT IN MIXING NW AND S SWELL. THE TRADES ARE ENHANCED TO 20-25 KT S OF THE RIDGE ACROSS THE WATERS FROM 10-20N W OF 132W WITH SEAS OF 8-10 FT. ELSEWHERE BETWEEN THE RIDGE AND THE ITCZ ALL TO THE W OF 117W...NE WINDS ARE AT 15-20 KT WITH SEAS OF 7-9 FT IN MIXING N AND S SWELL. GULF OF PAPAGAYO...NE-E 20-25 KT WINDS WILL PERSIST THROUGH SUNRISE THIS MORNING...THEN DIMINISH TO 15-20 KT THIS AFTERNOON...THEN INCREASE AGAIN TO 20-25 KT LATE TONIGHT. THE NOCTURNAL MAXIMUM IS EXPECTED TO THEN PULSE AT 15-20 KT LATE EACH NIGHT FROM THU NIGHT THROUGH SAT NIGHT. GULF OF PANAMA...N WINDS AT 20-25 KT WITH SEAS 5-7 FT ARE OBSERVED N OF 06N BETWEEN 79-81W...TO INCLUDE THE WESTERN PORTION OF THE GULF OF PANAMA. THESE WINDS WILL DIMINISH AFTER SUNRISE THIS MORNING...THEN PULSE AT 15-20 KT LATE EACH NIGHT THROUGH THU NIGHT. $$ NELSON