000 AXPZ20 KNHC 060905 TWDEP TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC FRI MAY 06 2011 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 0845 UTC. ...ITCZ... THE INTERTROPICAL CONVERGENCE ZONE AXIS IS CENTERED ALONG 05N77W TO 12N110W TO 05N140W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS NOTED WITHIN 120 NM EITHER SIDE OF AXIS BETWEEN 90W AND 100W. SCATTERED MODERATE CONVECTION WITHIN 60 NM EITHER SIDE OF AXIS BETWEEN 115W AND 120W. ...DISCUSSION... E OF 110W...A 00Z WINDSAT PASS SHOWED 20 TO 25 KT THROUGH THE GULF OF TEHUANTEPEC...LESS THAN WHAT THE GFS INITIALIZED AND IN BETTER AGREEMENT WITH OTHER GLOBAL MODELS. WINDS WILL CONTINUE TO DIMINISH AS HIGH PRES N OF THE AREA WEAKENS...AND SHOULD BE LESS THAN 20 KT BY MIDDAY SAT. FURTHER SOUTH...THE OBSERVATIONS AT LIBERIA (MRLB) COSTA RICA NEAR THE GULF OF PAPAGAYO INDICATED WINDS PULSING TO 20 KT AT TIMES. THIS WILL CONTINUE FOR THE NEXT COUPLE OF DAYS...PRIMARILY AT NIGHT AND EARLY MORNING DUE TO OVERNIGHT DRAINAGE INFLUENCES. DIVERGENCE ALOFT ALONG A DEFORMATION AREA S OF AN UPPER ANTICYCLONE OVER NORTHERN CENTRAL AMERICA IS WORKING IN TANDEM WITH WEAK LOW LEVEL CONVERGENCE TO PERPETUATE MODEST CONVECTION ALONG THE ITCZ BETWEEN 90W AND 100W. W OF 110W...A SURFACE TROUGH EXTENDS ALONG 112W FROM 09N TO 15N...DRIFTING W. THIS WILL DAMPEN OUT SOMEWHAT OVER THE NEXT COUPLE OF DAYS AS IT SHIFT WESTWARD ALONG THE ITCZ. FURTHER WEST...SHIP OBSERVATIONS AND SCATTEROMETER DATA CONFIRM FRESH TRADE WIND FLOW N OF THE ITCZ AND W OF 125W. THESE TRADES WILL CONTINUE PRIMARILY BETWEEN THE ITCZ AND 20N W OF 120W THROUGH THE WEEKEND BETWEEN THE SURFACE RIDGE N OF THE AREA AND THE WESTWARD MOVING TROUGH TO THE SOUTH. SEAS WILL REMAIN 6 TO 8 FT DUE TO NE AND E TRADE WINDS. 20 KT NW WINDS ALONG WITH SEAS TO 8 FT WILL PUSH SOUTHWARD OFF THE NORTHERN COAST OF BAJA CALIFORNIA BY EARLY SUN. $$ CHRISTENSEN