000 ABPZ20 KNHC 191732 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1100 AM PDT SAT SEP 19 2009 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL DEPRESSION MARTY...LOCATED ABOUT 515 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. A SMALL AREA OF LOW PRESSURE LOCATED ABOUT 165 MILES SOUTH OF THE SOUTHERN TIP OF BAJA CALIFORNIA IS MOVING NORTHWESTWARD AT AROUND 10 MPH. ALTHOUGH SHOWER AND THUNDERSTORM ACTIVITY HAS DIMINISHED OVER THE LAST SEVERAL HOURS...A TROPICAL DEPRESSION COULD STILL FORM IN THE NEXT DAY OR SO BEFORE UPPER-LEVEL WINDS BECOME LESS FAVORABLE FOR DEVELOPMENT. THERE IS A HIGH CHANCE...GREATER THAN 50 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BRENNAN