000 AXPZ20 KNHC 250915 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC SUN MAY 25 2008 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0900 UTC. ...TROPICAL WAVES... TROPICAL WAVE IS NOW ANALYZED OVER LAND N OF 13N ALONG 88W/89W AND REMAINS NEARLY STATIONARY. THE WAVE IS EMBEDDED IN A VERY BROAD AREA OF CYCLONIC TURNING...WITH WESTERLY WINDS NOTED TO THE SOUTH OF THE WAVE. THE WAVE IS DIFFICULT TO DETECT AS A DISTINCT FEATURE AT THIS TIME. STRONG CONVECTION THAT WAS WITHIN 240 NM WEST OF THE AXIS HAS RAPIDLY DIMINISHED. ...ITCZ... INTERTROPICAL CONVERGENCE ZONE IS ALONG THE LINE...04N77W TO 03N90W TO 08N105W TO 10N115W TO 10N130W TO 04N140W. SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 60 NM OF THE POINT 3.5N79W. SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 75 NM OF THE POINTS 03N90W AND 03.5N95W. SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 240 NM OF THE POINT 08N101W. ...DISCUSSION... LARGE CYCLONIC CIRCULATION OVER THE WESTERN UNITED STATES EXTENDS OVER THE PACIFIC OCEAN AND INCLUDES A LARGE PART OF THE DISCUSSION AREA. BROAD CYCLONIC FLOW IS NORTH OF ABOUT 20N. THE AREA IS MOSTLY DRY AND ENTIRELY CLOUD FREE IN THE MIDDLE AND UPPER LEVELS WITH BROKEN TO OVERCAST STRATOCUMULUS WEST OF 117W IN THE LOWER LEVELS. THE CIRCULATION IS FORECAST TO PERSIST THROUGH AT LEAST 48 HOURS. ELSEWHERE BROAD ANTICYCLONIC FLOW IS OBSERVED. THE AREA NEAR THE ITCZ EAST OF ABOUT 107W TO 85W IS DIFLUENT ALOFT WITH ENHANCED CONVECTION IN THE ITCZ. MULTI LEVEL CLOUDS ARE WITHIN 240 NM OF THE ITCZ AXIS AND THE ENTIRE AREA EAST OF 97W. WEAK RIDGE IS NORTH OF THE ITCZ WEST OF 105W. ELSEWHERE BROAD TROUGH IS ANALYZED. NORTHERLY SWELLS OF EIGHT TO TEN FEET CONTINUE OVER A LARGE PART OF THE AREA NORTH OF 10N AND WEST OF 105W. THESE SWELLS ORIGINATED FROM STRONG NORTHERLY WINDS A FEW DAYS AGO OFF THE CALIFORNIA COAST. $$ LL