000 ABNT20 KNHC 292343 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT THU AUG 29 2013 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A BROAD AREA OF LOW PRESSURE ASSOCIATED WITH A TROPICAL WAVE IS PRODUCING SHOWERS AND THUNDERSTORMS OVER WESTERN AFRICA. THIS SYSTEM SHOULD MOVE WESTWARD OVER THE FAR EASTERN ATLANTIC OCEAN ON FRIDAY...AND NEAR THE CAPE VERDE ISLANDS LATE SATURDAY. ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR DEVELOPMENT...AND A TROPICAL DEPRESSION COULD FORM OVER THE WEEKEND. AFTER THAT TIME...THE ENVIRONMENT IS FORECAST TO BECOME LESS CONDUCIVE WHILE THE SYSTEM MOVES TOWARD THE WEST-NORTHWEST OVER THE EASTERN ATLANTIC. THIS SYSTEM HAS A MEDIUM CHANCE...40 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS...AND A MEDIUM CHANCE...50 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 5 DAYS. THERE HAS BEEN LITTLE CHANGE WITH A TROPICAL WAVE LOCATED ABOUT 900 MILES EAST OF THE LESSER ANTILLES. THIS WAVE IS FORECAST TO MOVE WESTWARD TOWARD A REGION WHERE THE UPPER LEVEL WINDS ARE NOT FAVORABLE FOR DEVELOPMENT. THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS...AND A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 5 DAYS. && FIVE-DAY FORMATION PROBABILITIES ARE EXPERIMENTAL IN 2013. COMMENTS ON THE EXPERIMENTAL FORECASTS CAN BE PROVIDED AT... HTTP://WWW.NWS.NOAA.GOV/SURVEY/NWS-SURVEY.PHP?CODE=ETWO $$ FORECASTER BLAKE