000 ABNT20 KNHC 091736 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT THU SEP 9 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 65 MILES NORTHWEST OF BRAVA IN THE CAPE VERDE ISLANDS. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A WEAK AREA OF LOW PRESSURE LOCATED NEAR THE WINDWARD ISLANDS HAVE CHANGED LITTLE DURING THE LAST SEVERAL HOURS. THIS SYSTEM CONTINUES TO SHOW SIGNS OF ORGANIZATION...AND ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR SOME GRADUAL DEVELOPMENT AS THE LOW MOVES SLOWLY WESTWARD. THERE IS A MEDIUM CHANCE...40 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