Hurricane Dorian update from NBAA Air Traffic Services (Sept. 1 – 2300z): There are now airspace coordination area NOTAMs in place for both Jacksonville and Miami Centers - 9/1735 (ZJX) and 09/1722 (ZMA).
Please note that several airports are still determining of when or if they will close. NBAA Air Traffic Services expects to have more information by tomorrow morning's hurricane telcon at the FAA ATC System Command Center.
Source: NBAAfans