Forgot to mention the obvious:
While an adjacent Low and High to our north will provide a south
flowing air mass (Winter's cold north winds) two Lows to our north
will just make a mess.

The cylone on the one side will have winds flowing opposite the way
the cyclone on the other side is flowing.

Strangely it might explain how it is that Highs and Lows don't cancel
each other out. At least it indicates that twin cyclones or for that
matter twin anticyclones will never form a perfect storm.
As for the Perfect Storm:

PHAH!