NHC has issued a special Tropical Weather Outlook to update the chance of formation for the system located 500 mi west of the Windward Islands. A tropical depression could form later today or on Saturday. The updated outlook is available here: https://t.co/NERCKLZFZm pic.twitter.com/x5SCIlFtbk
— National Hurricane Center (@NHC_Atlantic) September 21, 2018
