000 AXPZ20 KNHC 190325 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC MON MAY 19 2008 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0300 UTC. ...TROPICAL WAVES... A TROPICAL WAVE IS LOCATED ALONG 90W FROM 05N TO 10N AND IS MOVING W ABOUT 10 KT. THE LATEST INFRARED SATELLITE IMAGERY INDICATES BROAD CYCLONIC TURNING WITHIN FIVE TO SIX DEGREES EITHER SIDE OF THE WAVE AXIS BUT MINIMAL CONVECTION. ...ITCZ... ITCZ AXIS IS ALONG 04N78W TO 09N100W TO 11N115W TO 08N130W TO 05N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED WITHIN 60 NM EITHER SIDE OF A 10N107W TO 06N107W LINE...WITHIN 60 NM EITHER SIDE OF A 11N121W TO 10N126W LINE...AND WITHIN 60 NM EITHER SIDE OF A 06N136W TO 06N140W LINE. ...DISCUSSION... W OF 108W... AN ELONGATED BUT WELL-DEFINED MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS CENTERED NEAR 26N139W AND IS STATIONARY. CYCLONIC ROTATION IS LOCATED E OF THE CIRCULATION CENTER TO 130W AND W TO NEAR 148W. SATELLITE CLOUD DRIFT WINDS INDICATE STRONG WINDS ALOFT OVER THE EASTERN SIDE OF THE CIRCULATION MEASURING TO 60 KT. FURTHER EAST A LARGE MIDDLE/UPPER LEVEL TROUGH COVERS MOST OF MEXICO AND THE PACIFIC N OF 16N E OF 125W. THE AXIS EXTENDS ROUGHLY THROUGH THE CENTRAL BAJA CALIFORNIA PENINSULA TO 16N117W. WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE IN ASSOCIATION WITH THIS FEATURE. A SMALL CYCLONIC CIRCULATION IS EMBEDDED WITHIN THE TROUGH NEAR 26N111W. IN THE AREA S OF ABOUT 15N LIGHT TO MODERATE WINDS ALOFT ARE SOUTHEASTERLY E OF 125W AND SOUTHERLY W OF 125W. AT THE SURFACE SOUTHERLY SWELLS TO 9 FEET...WITH 12 TO 14 SECOND PERIODS...ARE LOCATED S OF 14N W OF 100W. E OF 108W... OVER THE E PART OF THE DISCUSSION AREA LIGHT MOSTLY EASTERLY WINDS ALOFT ARE LOCATED E OF 108W. A SURFACE TROUGH IS LOCATED FROM 14N106W TO 06N107W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED FROM 10N TO 15N E OF THE TROUGH TO 98W. $$ CAB