000 AXPZ20 KNHC 051524 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1605 UTC THU MAR 05 2009 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1500 UTC. ...ITCZ... THE INTERTROPICAL CONVERGENCE ZONE IS ALONG THE LINE...04N77W TO 02N110W TO 03N140W. SCATTERED MODERATE CONVECTION IS WITHIN THE AREA 40 NM EITHER SIDE OF THE LINE FROM 06N85W TO 03N95W. ...DISCUSSION... DEEP LAYER TROUGH IS OVER THE NORTHERN PART OF THE PACIFIC OCEAN AREA...GENERALLY NORTH OF A LINE FROM NEAR 32N110W TO 15N125W TO 10N140W. THIS FEATURE WILL PERSIST FOR...AT LEAST...THE NEXT SEVERAL DAYS. A PLUME OF MIDDLE AND UPPER LEVEL MOISTURE WITH BROKEN TO OVERCAST MULTI LEVEL CLOUDS IS ADVECTING NORTHEASTWARD ACROSS THE PACIFIC AND ALSO BAJA CALIFORNIA AND NORTHWESTERN MEXICO AHEAD OF THE TROUGH WITHIN THE AREA NORTH OF 20N FROM 110W TO 123W. SOME EMBEDDED RAIN AND A FEW SHOWERS ARE WITHIN THIS AREA. ELSEWHERE BROAD RIDGE COVERS THE AREA IN THE MIDDLE AND UPPER LEVELS. EXCEPT FOR THE CONVECTION MENTIONED IN THE ITCZ SECTION THE AREA SOUTHEAST OF A LINE FROM 32N100W TO 00N130W IS DRY AND CLOUD FREE IN THE MIDDLE AND UPPER LEVELS. MODERATE SURFACE RIDGE IS NORTHWEST OF A LINE FROM SOUTHERN BAJA CALIFORNIA TO NEAR 15N140W. THIS FEATURE IS FORECAST TO STRENGTHEN SOME IN THE NEXT COUPLE OF DAYS. ELSEWHERE A BROAD TROUGH IS ANALYZED AT THE SURFACE. GAP NORTH TO NORTHEASTERLY WINDS IN THE GULF OF TEHUANTEPEC REGION OF 20 TO 25 KNOTS WILL DIMINISH TO 20 KT FRIDAY NIGHT THEN DIMINISH TO LESS THAN 20 KT SATURDAY. GAP NORTHEASTERLY WINDS IN AND WELL DOWNSTREAM FROM THE GULF OF PAPAGAYO WILL CONTINUE FOR THE NEST SEVERAL DAYS IN THE 20 TO 30 KNOT RANGE. GAP NORTHERLY WINDS IN AND SOUTH AND SOUTHWEST OF THE GULF OF PANAMA REGION OF 20 TO 25 KNOTS WILL DIMINISH TO 20 KNOTS FRIDAY AND CONTINUE THROUGH EARLY SATURDAY BEFORE DIMINISHING TO LESS THAN 20 KNOTS DURING SATURDAY. $$ LL