While Dulles can't get its latest first freeze, its about to break the record for latest first <=29 temp (November 12).
Also looks like BWI will break its record for latest first freeze (November 17th)
Hour 306 GFS brings out the dreaded F word...
On a more serious note, the last few GFS runs have been pretty consistent with something developing in the Southern Caribbean in 7-10 days, and SSTs are still 28-30C there...