8pm EDT September 26 — Behind #Philippe, we are monitoring another system (Invest #91L), which has a high chance (🔴90%) of becoming a tropical depression or storm in the next day or so in the Central Tropical Atlantic.
Latest Outlook: https://t.co/3QqLt7Emxs pic.twitter.com/yEXoMI6Ct7
— National Hurricane Center (@NHC_Atlantic) September 27, 2023