000 ABNT20 KNHC 111520 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1130 AM EDT SAT AUG 11 2007 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A BROAD SURFACE TROUGH OVER THE WESTERN CARIBBEAN SEA IS PRODUCING SHOWERS AND THUNDERSTORMS NEAR JAMAICA...THE CAYMAN ISLANDS...AND SOUTHERN CUBA. ANY DEVELOPMENT OF THIS SYSTEM DURING THE NEXT COUPLE OF DAYS SHOULD BE SLOW TO OCCUR AT IT MOVES WESTWARD AT ABOUT 10 MPH. A VIGOROUS TROPICAL WAVE HAS EMERGED FROM AFRICA OVER THE FAR EASTERN ATLANTIC OCEAN. GRADUAL DEVELOPMENT OF THIS SYSTEM IS POSSIBLE DURING THE NEXT COUPLE OF DAYS AS IT MOVES WESTWARD AT 15 TO 20 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER KNABB