It is so tenuous. While not a similar system, I'm wondering if the degree of difficulty with forecasting this is similar to the October 2011 storm (someone mentioned it earlier, but for a different reason).
Stupid freezing point of water...
For those looking to chase, Great Wolf Lodge in Fitchburg/Princeton is fun for the family. Prime spot for this. Plus they have a resturant/bar etc. Kinda $$$ though
They have backup power as well