We have an Arctic Low Front moving through. Going to be -39C with a windchill of -50C... and it's supposed to stay like this for the rest of the week.

Assuming that a teotwawki event occurred, say a massive volcanic eruption like Vesuvius, or Pompeii; a pile of smoke/ash filled the atmosphere and your location suddenly got 30-50 degrees colder... for the next 2-5 years...

What are your shortcomings, your options, and your thoughts...