000 ABNT20 KNHC 182336 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT WED AUG 18 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... CLOUDINESS AND THUNDERSTORMS HAVE INCREASED OVER THE WEST-CENTRAL AND SOUTHWESTERN CARIBBEAN SEA IN ASSOCIATION WITH A TROPICAL WAVE. UPPER-LEVEL WINDS ARE EXPECTED TO BECOME CONDUCIVE FOR SOME SLOW DEVELOPMENT OF THIS DISTURBANCE DURING THE NEXT DAY OR TWO AS IT MOVES WESTWARD AT 15 TO 20 MPH. THERE IS A LOW CHANCE...20 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS BEFORE IT REACHES CENTRAL AMERICA AND THE YUCATAN PENINSULA. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART