000 ABPZ20 KNHC 182333 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 500 PM PDT FRI JUN 18 2010 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM BLAS LOCATED ABOUT 315 MILES SOUTHWEST OF MANZANILLO MEXICO. AN AREA OF LOW PRESSURE LOCATED ABOUT 200 MILES SOUTH-SOUTHWEST OF THE GULF OF TEHUANTEPEC CONTINUES TO SHOW SIGNS OF ORGANIZATION. WHILE SHOWER AND THUNDERSTORM ACTIVITY REMAINS SOMEWHAT DISORGANIZED...ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR SOME ADDITIONAL DEVELOPMENT...AND A TROPICAL DEPRESSION COULD FORM DURING THE NEXT DAY OR TWO AS THE SYSTEM MOVES SLOWLY WESTWARD OR WEST-NORTHWESTWARD. THERE IS A HIGH CHANCE...60 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 CANGIALOSI/BRENNAN