That's a white knuckle drive. I've done a few myself. Good job making it through with your 'shiny side up.'

Snow storms are tricky. By the time you suspect you're in a pickle, it's not easy to turn around without getting stranded.

One thing that may be of interest: In poor traction conditions, with all-season (a.k.a. 3-season) tires, and at low speeds, I've found that dropping the tire pressure by a third gives you a lot more "grab." This is for emergencies only, and is *not* safe for regular highway speeds; don't be dumb. But it has gotten me out of a few tight spots.