000 ABNT20 KNHC 110536 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SAT SEP 11 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM IGOR...LOCATED ABOUT 725 MILES WEST OF THE CAPE VERDE ISLANDS. THE LOW PRESSURE AREA NEAR THE WINDWARD ISLANDS HAS BEEN MOVING SLOWLY TOWARD THE WEST-NORTHWEST AND IS NOW LOCATED OVER THE SOUTHEASTERN CARIBBEAN SEA. CLOUDINESS AND THUNDERSTORMS ASSOCIATED WITH THIS SYSTEM REMAIN DISORGANIZED...BUT ENVIRONMENTAL CONDITIONS APPEAR TO BE CONDUCIVE FOR A GRADUAL DEVELOPMENT AND A TROPICAL DEPRESSION COULD FORM DURING THE NEXT FEW DAYS AS THE SYSTEM MOVES TOWARD THE CENTRAL AND WESTERN CARIBBEAN SEA. THERE IS A MEDIUM CHANCE...50 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 AVILA