000 ABNT20 KNHC 181158 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM 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 IS PRODUCING A LARGE AREA OF SHOWERS AND A FEW THUNDERSTORMS OVER THE LESSER ANTILLES. CONDITIONS DO NOT APPEAR CONDUCIVE FOR DEVELOPMENT OF THIS SYSTEM DURING THE NEXT COUPLE OF DAYS...BUT LOCALLY HEAVY RAINS COULD CONTINUE OVER PORTIONS OF THE WINDWARD AND LEEWARD ISLANDS TODAY. TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER KNABB