000 ABPZ20 KNHC 150542 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1100 PM PDT MON SEP 14 2009 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. A BROAD AREA OF LOW PRESSURE IS LOCATED ABOUT 400 MILES SOUTHWEST OF MANZANILLO MEXICO. ALTHOUGH ASSOCIATED SHOWER AND THUNDERSTORM ACTIVITY HAS DIMINISHED OVER THE PAST FEW HOURS...ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR DEVELOPMENT...AND A TROPICAL DEPRESSION COULD FORM DURING THE NEXT DAY OR TWO AS THIS SYSTEM MOVES WEST-NORTHWESTWARD AT 10 TO 15 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 BRENNAN