You would need a juicy 38F rainer, followed by a freeze to fill the pack with water and store it. Then bring in the high qpf GLC with 50° DP’s. That’s the only way you get significant flooding outside of VT.
A lot of places are just waking up to carnage tomorrow morning.
There has to be a slew of school cancellations, etc.
What a storm, especially considering everybody was writing it off four days out.