000 ABPZ20 KNHC 200532 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1100 PM PDT SUN SEP 19 2010 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A BROAD AREA OF LOW PRESSURE LOCATED A COUPLE HUNDRED MILES WEST-SOUTHWEST OF MANZANILLO MEXICO HAVE BECOME A LITTLE BETTER ORGANIZED THIS EVENING. ENVIRONMENTAL CONDITIONS ARE MODERATELY CONDUCIVE FOR ADDITIONAL DEVELOPMENT DURING THE NEXT DAY OR TWO AS THE SYSTEM MOVES NORTHWESTWARD AT ABOUT 10 MPH. THERE IS A MEDIUM CHANCE...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 LANDSEA/BRENNAN