000 ABPZ20 KNHC 221151 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT TUE JUN 22 2010 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE CELIA LOCATED ABOUT 500 MILES SOUTH OF MANZANILLO MEXICO. A BROAD LOW PRESSURE SYSTEM LOCATED A FEW HUNDRED MILES SOUTH OF GUATEMALA IS ACCOMPANIED BY AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS. THIS LOW CONTINUES TO SHOW SIGNS OF ORGANIZATION AND ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR A TROPICAL DEPRESSION TO FORM DURING THE NEXT COUPLE OF DAYS. THERE IS A HIGH CHANCE...70 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WEST-NORTHWESTWARD AT ABOUT 10 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BLAKE