000 ABNT20 KNHC 221735 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT MON JUN 22 2009 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SHOWERS AND THUNDERSTORMS OVER THE SOUTHWESTERN GULF OF MEXICO AND BAY OF CAMPECHE ARE ASSOCIATED WITH A WEAK SURFACE TROUGH. DEVELOPMENT OF THIS SYSTEM...IF ANY...IS EXPECTED TO BE SLOW TO OCCUR AS THIS SYSTEM MOVES SLOWLY WEST-NORTHWESTWARD. THERE IS A LOW CHANCE...LESS THAN 30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. LOCALLY HEAVY RAINFALL IS POSSIBLE OVER AREAS OF EAST-CENTRAL AND NORTHEASTERN MEXICO DURING THE NEXT COUPLE OF DAYS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BLAKE/BRENNAN