000 ABPZ20 KNHC 031145 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT TUE JUL 3 2012 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. A LOW PRESSURE SYSTEM LOCATED ABOUT 450 MILES SOUTH-SOUTHWEST OF ACAPULCO MEXICO IS GRADUALLY BECOMING BETTER DEFINED. THUNDERSTORM ACTIVITY HAS BECOME A LITTLE MORE CONCENTRATED NEAR THE CENTER THIS MORNING...AND UPPER-LEVEL WINDS ARE EXPECTED TO REMAIN MARGINALLY CONDUCIVE FOR ADDITIONAL DEVELOPMENT TO OCCUR OVER THE NEXT COUPLE OF DAYS. THIS SYSTEM HAS A MEDIUM CHANCE...50 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WEST- NORTHWESTWARD AT ABOUT 10 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART