000 ABNT20 KNHC 181721 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT TUE AUG 18 2015 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on newly formed Tropical Depression Four, located over the central tropical Atlantic more than 1600 miles east of the Windward Islands. A non-tropical area of low pressure is expected to form within a couple of hundred miles of Bermuda over the western Atlantic Ocean in a few days. Environmental conditions could support some tropical or subtropical development of this system by the weekend while it moves slowly northward. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...30 percent && Public Advisories on Tropical Depression Four are issued under WMO header WTNT34 KNHC and under AWIPS header MIATCPAT4. Forecast/Advisories on Tropical Depression Four are issued under WMO header WTNT24 KNHC and under AWIPS header MIATCMAT4. $$ Forecaster Stewart