000 ABNT20 KNHC 122318 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT MON AUG 12 2013 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... CLOUDINESS AND SHOWERS EXTENDING FROM THE SOUTHWESTERN CARIBBEAN SEA NORTHEASTWARD ACROSS MOST OF THE CENTRAL CARIBBEAN TO NEAR HISPANIOLA ARE ASSOCIATED WITH A TROPICAL WAVE AND A BROAD AREA OF LOW PRESSURE INTERACTING WITH AN UPPER-LEVEL TROUGH. ENVIRONMENTAL CONDITIONS ARE FORECAST TO GRADUALLY BECOME MORE CONDUCIVE FOR DEVELOPMENT OVER THE NEXT SEVERAL DAYS AS THE LARGE DISTURBANCE MOVES TOWARD THE YUCATAN PENINSULA AND THE SOUTHERN GULF OF MEXICO. THIS SYSTEM HAS A LOW CHANCE...NEAR 10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS...AND A MEDIUM CHANCE... 30 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 STEWART