With two storms, one that the National Weather service says is dangerously strong and unprecedented. Both could ruin thanksgiving travel plans for tens of millions. Snow is falling right now in salt lake city, the leading edge of a storm that will dump about a foot of snow there by the holiday. More than twothirds of americans could be hit by powerful wind, rain, or snow. Wcbs lonnie quinn has the latest forecast, but first adriana diaz is at chicagos ohare airport. Adriana, this is shaping up to be quite a rough holiday getaway. Reporter thats right, norah. As the snow moves east, most cancellations could be in denver and minneapolis. And as you mentioned, a second storm hits tomorrow night out oust, bringing more snow and headaches. This weeks highway havoc started early in Washington State where a semi jackknifed into a ditch. The first of two monster storms heading east also sidelined travel plans outside salt lake city, where a car slid into a ravine and only 4x4s and tires with c