000 ABPZ20 KNHC 231140 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT SUN AUG 23 2009 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM HILDA...LOCATED ABOUT 1125 MILES EAST-SOUTHEAST OF HILO HAWAII. A TROPICAL WAVE LOCATED SEVERAL HUNDRED MILES SOUTHWEST OF MANZANILLO MEXICO IS PRODUCING A LARGE AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS. CONDITIONS APPEAR FAVORABLE FOR SLOW DEVELOPMENT OF THIS SYSTEM DURING THE NEXT COUPLE DAYS AS IT MOVES TOWARD THE WEST-NORTHWEST AT 10 TO 15 MPH. THERE IS A MEDIUM CHANCE...30 TO 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. PUBLIC ADVISORIES ON HILDA ARE ISSUED UNDER WMO HEADER WTPZ31 KNHC AND UNDER AWIPS HEADER MIATCPEP1. FORECAST/ADVISORIES ARE ISSUED UNDER WMO HEADER WTPZ21 KNHC AND UNDER AWIPS HEADER MIATCMEP1. $$ FORECASTER KIMBERLAIN/PASCH