000 ABPZ20 KNHC 311744 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 1100 AM PDT FRI AUG 31 2012 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE ILEANA...LOCATED ABOUT 355 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA MEXICO. AN ELONGATED TROUGH OF LOW PRESSURE IS PRODUCING A LARGE AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS EXTENDING SEVERAL HUNDRED MILES OFFSHORE OF THE COAST OF SOUTHERN MEXICO AND CENTRAL AMERICA. UPPER-LEVEL WINDS ARE EXPECTED TO BE MARGINALLY CONDUCIVE FOR DEVELOPMENT...AND THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WEST-NORTHWESTWARD AT AROUND 15 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BLAKE