000 ABNT20 KNHC 170539 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SAT AUG 17 2013 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON RECENTLY-UPGRADED TROPICAL STORM ERIN...LOCATED WEST-NORTHWEST OF THE CAPE VERDE ISLANDS. AN AREA OF LOW PRESSURE IS LOCATED OVER THE SOUTHWESTERN GULF OF MEXICO ABOUT 120 MILES WEST-NORTHWEST OF CAMPECHE MEXICO. THIS SYSTEM REMAINS POORLY ORGANIZED WITH ANY ASSOCIATED SHOWER AND THUNDERSTORM ACTIVITY LOCATED WELL TO THE NORTH AND NORTHEAST OF THE LOW CENTER. ENVIRONMENTAL CONDITIONS COULD BECOME SOMEWHAT MORE FAVORABLE FOR DEVELOPMENT WHILE THE LOW GENERALLY MOVES TOWARD THE WEST-NORTHWEST OR NORTHWEST OVER THE NEXT COUPLE OF DAYS. INTERESTS IN THE CENTRAL AND WESTERN GULF OF MEXICO SHOULD MONITOR THE PROGRESS OF THE SYSTEM THROUGH THE WEEKEND. 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. && 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 BEVEN