000 ABPZ20 KNHC 271141 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT MON MAY 27 2013 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. SHOWERS AND THUNDERSTORMS HAVE INCREASED OVERNIGHT IN ASSOCIATION WITH AN AREA OF DISTURBED WEATHER LOCATED A COUPLE OF HUNDRED MILES SOUTH OF THE GULF OF TEHUANTEPEC. WHILE THERE ARE NO SIGNS YET OF A WELL-DEFINED SURFACE CIRCULATION...CONDITIONS APPEAR CONDUCIVE FOR SOME ADDITIONAL DEVELOPMENT...AND A TROPICAL DEPRESSION COULD FORM DURING THE NEXT DAY OR TWO. THIS SYSTEM HAS A HIGH CHANCE...60 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES GENERALLY NORTHWARD TOWARD THE SOUTHERN COAST OF MEXICO. TROPICAL STORM WATCHES OR WARNINGS COULD BE REQUIRED FOR A PORTION OF THE SOUTHERN COAST OF MEXICO...AND INTERESTS IN THAT AREA SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. REGARDLESS OF DEVELOPMENT...HEAVY RAINS ARE LIKELY OVER PARTS OF SOUTHERN MEXICO AND WESTERN CENTRAL AMERICA DURING THE NEXT FEW DAYS. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. A WEAK AREA OF LOW PRESSURE LOCATED ABOUT 650 MILES SOUTHWEST OF MANZANILLO MEXICO IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. DEVELOPMENT...IF ANY...OF THIS SYSTEM SHOULD BE SLOW TO OCCUR...AND IT HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES SLOWLY WESTWARD. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER CANGIALOSI/BRENNAN