000 AXPZ20 KNHC 302116 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC SAT MAY 30 2009 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2100 UTC. ...TROPICAL WAVES... TROPICAL WAVE ALONG 98W FROM 05N TO 14N IS MOVING W ABOUT 10 KT. THIS FEATURE HAS BECOME A LITTLE BETTER ORGANIZED DURING THE DAYLIGHT HOURS AS INDICATED BY VISIBLE SATELLITE IMAGERY. AREAS OF SCATTERED MODERATE ISOLATED STRONG CONVECTION EXTENDS UPWARDS OF FOUR TO FIVE DEGREES EITHER SIDE OF THE WAVE AXIS. WINDS ALOFT SUPPORT GRADUAL DEVELOPMENT OVER THE NEXT COUPLE OF DAYS. ...ITCZ... ITCZ AXIS ALONG 08N77W TO 11N90W TO 07N110W TO 07N125W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED FROM 03N TO 08N BETWEEN 84W AND 89W...WITHIN 60 NM EITHER SIDE OF A LINE FROM 07N95W TO 11N95W...AND WITHIN 75 NM EITHER SIDE OF A LINE FROM 11.5N99W TO 11N103W TO 07103W. ...DISCUSSION... W OF 120W... A LARGE WELL-DEFINED MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS LOCATED N OF THE DISCUSSION AREA NEAR 39N138W AND IS NEARLY STATIONARY. A TROUGH AXIS EXTENDS SSE FROM THE CIRCULATION CENTER TO 25N133W WITH CYCLONIC FLOW NOTED N OF 22N W OF 129W. AN ASSOCIATED COLD FRONT IS LOCATED THROUGH 32N132W TO 24N140W. W OF THE FRONT WINDS ARE LESS THAN 20 KT AND SEAS 8 TO 11 FT IN NW SWELL...HIGHEST OVER THE NW PART. A 1019 MB HIGH IS LOCATED IN THE VICINITY OF 26N129W...MOVING NE 10 TO 15 KT. A WESTERLY JETSTREAM ALOFT IS LOCATED THROUGH 20N140W TO 20N120W. WINDS ARE STRONGEST W OF 133W AND MEASURE 55 TO 60 KT. WINDS ARE LIGHT AND VARIABLE ALOFT OVER THE DEEP TROPICS S OF ABOUT 15N AND WATER VAPOR IMAGERY SHOWS STRONG SUBSIDENCE. E OF 120W... A MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS CENTERED OVER SW ARIZONA WITH A TROUGH AXIS EXTENDING FROM THIS FEATURE SOUTHWARD TO CENTRAL BAJA CALIFORNIA. A LARGE AREA OF MODERATE SOUTHWESTERLY FLOW ALOFT IS LOCATED FROM 12N TO 25N E OF 120W INTO MEXICO. $$ CAB