000 ABPZ20 KNHC 190516 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1100 PM PDT FRI SEP 18 2009 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM MARTY...LOCATED ABOUT 390 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. A SMALL AREA OF LOW PRESSURE CENTERED ABOUT 140 MILES WEST-SOUTHWEST OF CABO CORRIENTES MEXICO IS ACCOMPANIED BY SHOWERS AND THUNDERSTORMS. THIS SYSTEM IS SHOWING SIGNS OF ORGANIZATION AND A TROPICAL DEPRESSION COULD FORM AT ANY TIME DURING NEXT DAY OR TWO AS IT MOVES WEST-NORTHWESTWARD TO NORTHWESTWARD AT AROUND 10 MPH. 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 AVILA