586 ABNT20 KNHC 081729 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Sat Sep 8 2018 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Florence, located over the central Atlantic Ocean, on Tropical Storm Helene, located roughly a couple of hundred miles east- southeast of the Cabo Verde Islands, and on Tropical Depression Nine, located over the eastern Atlantic. A trough of low pressure is generating disorganized showers over the western Atlantic near Bermuda. Significant development of this system is unlikely due to increasingly strong upper-level winds over the next few days while the trough moves little. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. A non-tropical area of low pressure is forecast to form in the northeastern Atlantic Ocean several hundred miles west-southwest of the Azores in a few days. Some slow tropical or subtropical development is possible by the middle of next week while the low moves eastward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. && Public Advisories on Tropical Depression Nine are issued under WMO header WTNT34 KNHC and under AWIPS header MIATCPAT4. Forecast/Advisories on Tropical Depression Nine are issued under WMO header WTNT24 KNHC and under AWIPS header MIATCMAT4. $$ Forecaster Blake