000 ABPZ20 KNHC 180359 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1000 PM PDT MON SEP 17 2007 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE. THE AREA OF LOW PRESSURE CENTERED ABOUT 475 MILES SOUTH-SOUTHWEST OF MANZANILLO MEXICO IS SHOWING SIGNS OF ORGANIZATION. THE CIRCULATION APPEARS WELL-DEFINED...AND THE ASSOCIATED THUNDERSTORM ACTIVITY HAS BECOME MORE CONCENTRATED THIS EVENING. CONDITIONS APPEAR FAVORABLE FOR ADDITIONAL DEVELOPMENT OF THIS SYSTEM...AND IT COULD BECOME A TROPICAL DEPRESSION ON TUESDAY AS IT MOVES TOWARD THE WEST AT ABOUT 15 MPH. A LOW PRESSURE AREA CENTERED ABOUT 1350 MILES WEST-SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. ANY DEVELOPMENT OF THIS SYSTEM IS EXPECTED TO BE SLOW TO OCCUR AS IT MOVES SLOWLY WESTWARD DURING THE NEXT COUPLE OF DAYS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER KNABB