Whether this is a run of the mill nor'easter or a blockbustah to remember will be determined by what happens with that third low which forms after a disturbance from Canada rotates around the whole trough.

It's an unusual evolution and I'm quite skeptical but worth watching.

— Jack Sillin πŸ‡ΊπŸ‡¦ (@JackSillin) January 30, 2021