000 ABPZ20 KNHC 201739 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1100 AM PDT SAT JUN 20 2009 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. SHOWER AND THUNDERSTORM ACTIVITY HAS BECOME BETTER ORGANIZED IN ASSOCIATION WITH A BROAD AREA OF LOW PRESSURE LOCATED ABOUT 150 MILES SOUTH OF ACAPULCO MEXICO. CONDITIONS APPEAR FAVORABLE FOR ADDITIONAL DEVELOPMENT...AND A TROPICAL DEPRESSION COULD FORM DURING THE NEXT COUPLE OF DAYS AS THIS SYSTEM MOVES SLOWLY WESTWARD. THERE IS A MEDIUM CHANCE...30 TO 50 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. HEAVY RAINS ASSOCIATED WITH THIS SYSTEM COULD AFFECT PORTIONS OF THE SOUTHERN COAST OF MEXICO DURING THE NEXT DAY OR TWO. SHOWERS AND THUNDERSTORMS HAVE INCREASED IN ASSOCIATION WITH A BROAD AREA OF LOW PRESSURE LOCATED ABOUT 1700 MILES WEST-SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. DEVELOPMENT OF THIS SYSTEM...IF ANY...WILL BE SLOW TO OCCUR AS IT MOVES SLOWLY EASTWARD OVER THE NEXT COUPLE OF DAYS. THERE IS A LOW CHANCE...LESS THAN 30 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/BERG