000 AXPZ20 KNHC 132102 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC TUE JUN 13 2006 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2100 UTC. ...TROPICAL WAVES... TROPICAL WAVE ALONG 85W N OF 4N MOVE W AT 10 KT. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS NOTED AT THE NORTHERN END OF THE WAVE AXIS OVER COSTA RICA. STRONG UPPER EASTERLY WIND SHEAR PRECLUDES DEVELOPMENT. TROPICAL WAVE ALONG 99W FROM 4N TO 13N MOVE W AT 10 KT. NO SIGNIFICANT CONVECTION ASSOCIATED WITH WAVE AND STRONG E WINDS ALOFT OVER WAVE EXPECTED TO PRECLUDE ANY DEVELOPMENT. TROPICAL WAVE ALONG 111W FROM 3N TO 13N MOVE W AT 10 KT. NO SIGNIFICANT CONVECTION NOTED ASSOCIATED WITH WAVE POSSIBLY DUE TO ADVERSE UPPER LEVEL ENVIRONMENT. TROPICAL WAVE ALONG 133W FROM 2N TO 12N MOVE W AT 10 KT. NO SIGNIFICANT CONVECTION. NO DEVELOPMENT IS EXPECTED. ..ITCZ... INTERTROPICAL CONVERGENCE ZONE AXIS ALONG....4N77W 12N100W 8N115W 5N140W. WIDELY SCATTERED MODERATE WITHIN 120 NM OF AXIS BETWEEN 115W AND 140W...AND E OF 90W. ...DISCUSSION... UPPER LEVELS... MIDDLE AND UPPER LEVEL TROUGH EXTENDS THROUGH 30N130W TO 15N140W. DRY AIR IS OBSERVED IN THE MIDDLE AND UPPER LEVELS WITHIN 120-150 NM EITHER SIDE OF THE TROUGH AXIS. THIS IMPLIES UPPER LEVEL SUBSIDENCE IN THIS AREA. LARGE MID TO UPPER LEVEL ANTICYCLONE NEAR 28N109W DOMINATES THE AREA BETWEEN 95W AND THE TROUGH NOTED ABOVE. MOST OF THIS AREA IS DRY ALOFT THE EXCEPTION IS SOUTH OF 15N FROM 110W TO 130W WHERE MOISTURE FROM ITCZ CONVECTION IS IN THE UPPER LEVELS WITH BROKEN MULTI LEVEL CLOUDS. ALSO UPPER LEVEL MOISTURE AND MULTI LEVEL CLOUDS ARE WITHIN 300 NM SOUTHWEST OF CENTRAL AMERICA AND MEXICO SOUTH OF 20N. WIDELY SCATTERED AREAS OF CONVECTION ARE NOTED IN THIS AREA. AT THE SURFACE...WEAK RIDGE IS NORTH OF 15N WEST OF 110W. $$ COBB