000 ABNT20 KNHC 181758 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT THU SEP 18 2008 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A TROPICAL WAVE INTERACTING WITH AN UPPER-LEVEL TROUGH CONTINUES TO PRODUCE A LARGE AREA OF SHOWERS AND A FEW THUNDERSTORMS OVER THE LESSER ANTILLES. SIGNIFICANT DEVELOPMENT OF THIS SYSTEM DOES NOT APPEAR LIKELY DURING THE NEXT COUPLE OF DAYS AS IT MOVES SLOWLY WEST-NORTHWESTWARD...BUT LOCALLY HEAVY RAINS COULD CONTINUE OVER PORTIONS OF THE WINDWARD AND LEEWARD ISLANDS TODAY AND TOMORROW. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER KNABB