000 AXPZ20 KNHC 030302 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC SAT MAR 03 2007 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0345 UTC. ...ITCZ... ITCZ AXIS IS CENTERED ALONG 7N78W 7N95W 3N106W 6N118W 4N127W 8N136W 4N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM RADIUS OF 5N83W AND 5N94W. SCATTERED MODERATE WITHIN 60 NM OF LINE 7N98W 3N107W. ...DISCUSSION... A MID TO UPPER CYCLONE IS CENTERED NEAR 30N141W SHIFTING NE WITH TIME. AN UPPER TROUGH EXTENDS S ALONG 23N139W 14N136W AND ALSO SWINGING NE. AN UPPER ANTICYCLONE IS CENTERED NEAR 16N90W WITH A RIDGE EXTENDING W TO A CREST NEAR 15N117W. A FEW TSTM CLUSTERS WERE PREVIOUSLY ENHANCED NEAR 24N138W AND 18N141W. DEBRIS MOISTURE FROM THESE CLUSTERS IS STILL MOVING NE ROUGHLY WITHIN 120 NM EITHER SID E OF LINE 21N137W TO BEYOND 32N135W. DEBRIS MOISTURE FROM FORMER ITCZ CONVECTION BETWEEN 125W AND 146W IS ADVECTED N BETWEEN THE UPPER TROUGH AND THE RIDGE CREST... ROUGHLY WITHIN 420 NM EITHER SIDE OF LINE 12N130W 25N125W THEN THE MOISTURE PLUME TURNS E IN UPPER ZONAL FLOW ACROSS THE TOP OF THE RIDGE...WITHIN 360 NM EITHER SIDE OF LINE 27N120W 27N105W TO 30N77W WHERE IT SPLITS. GAP WINDS...NLY FLOW WILL INCREASE TO 20 KT EARLY SAT NIGHT IN THE GULF OF TEHUANTEPEC AND FURTHER INCREASE TO GALE FORCE BY SUNRISE SUN AND STORM FORCE BY LATE MORNING SUN...WITH WINDS NEAR HURRICANE FORCE A POSSIBILITY AROUND SUNRISE MON. NE WINDS 20 KT IN GULF OF PAPAGAYO WILL SURGE TO 25 KT THROUGH SUN THEN INCREASE OVER ALL THE WATERS N OF 9N E OF 91W BY SUNRISE MON WITH A MINIMAL GALE POSSIBLE NEAR 11N87W MON MORNING. N WINDS INCREASE TO 20 KT GULF OF PANAMA MIDDAY MON. GULF OF CALIFORNIA...NW WINDS 20 TO 25 KT WILL CONTINUE SAT NIGHT THEN DIMINISH TO 20 KT SUN. $$ NELSON