000 ABPZ20 KNHC 180543 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 1100 PM PDT SUN JUN 17 2012 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. A BROAD LOW PRESSURE SYSTEM LOCATED ABOUT 270 MILES WEST-SOUTHWEST OF MANZANILLO MEXICO IS PRODUCING A LARGE AREA OF SHOWERS AND A FEW THUNDERSTORMS. IN ADDITION...A TROUGH OF LOW PRESSURE EXTENDS SOUTHEASTWARD FROM THE LOW ACROSS THE EASTERN PACIFIC TO NEAR THE SOUTHERN COAST OF MEXICO. SOME SLOW DEVELOPMENT OF THIS LARGE DISTURBANCE IS POSSIBLE DURING THE NEXT COUPLE OF DAYS AS IT MOVES SLOWLY EASTWARD. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. REGARDLESS OF DEVELOPMENT...HEAVY RAINFALL AND THE THREAT FOR FLASH FLOODS AND MUDSLIDES WILL CONTINUE OVER PORTIONS OF SOUTHWESTERN AND SOUTH-CENTRAL MEXICO FOR THE NEXT COUPLE OF DAYS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART