000 ABPZ20 KNHC 011133 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT SAT SEP 1 2012 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM ILEANA...LOCATED ABOUT 510 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. SHOWERS AND THUNDERSTORMS REMAIN DISORGANIZED IN ASSOCIATION WITH A BROAD AREA OF LOW PRESSURE LOCATED SEVERAL HUNDRED MILES OFF THE COAST OF SOUTHERN MEXICO. UPPER-LEVEL WINDS ARE MARGINALLY CONDUCIVE FOR GRADUAL DEVELOPMENT OF THIS SYSTEM DURING THE NEXT COUPLE OF DAYS AS IT MOVES WEST-NORTHWESTWARD AT AROUND 15 MPH. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BRENNAN