000 ABNT20 KNHC 270542 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Fri Sep 27 2024 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Helene, located inland over southern Georgia and on Tropical Storm Isaac, located over the central Subtropical Atlantic Ocean. Eastern and Central Tropical Atlantic (AL98): Showers and thunderstorms associated with an area of low pressure located midway in between the Cabo Verde Islands and the Lesser Antilles continues to remain well organized. Environmental conditions are currently conducive for further development and a tropical depression or storm could form at any time today while the system moves generally westward to west-northwestward at 10 to 15 mph. The system is then forecast to slow down and turn north-northwestward by this weekend. * Formation chance through 48 hours...high...90 percent. * Formation chance through 7 days...high...90 percent. Western Caribbean: An area of low pressure could form over the western Caribbean Sea by the middle of next week. Environmental conditions are expected to be conducive for slow development thereafter, while the system moves generally northwestward, potentially entering the Gulf of Mexico by the end of next week. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...low...30 percent. $$ Forecaster Papin