Do people really not have enough food to go a couple days or a week w/o grocery shopping?
There's survival and there's comfort. Comfort food for sheltering in is a big part of it.
We're approaching things a little differently. Just placed an order for Thai delivery. An extra big order so there will be leftovers tomorrow.
I have friends who eat out so much -- breakfast and lunch during the work week and often dinner -- that they don't keep much on hand. They wouldn't starve eating what's in their kitchen but these storms bring out the urge, and time at home, for a big traditional breakfast and some yummy dinner.
This particular storm is hitting on the weekend, when a lot of people normally do their grocery shopping. And it's also the weekend a lot of peops would also be buying food for Christmas.
This storm could be so substantial that people won't want to drive anywhere all weekend. So get out now. We've had so many forecasts for snow in recent years that didn't pan out that even the forecasters seemed slow to dare state that this thing likely would really be big.