I Live in small community in the mountains, we get closures all the time when it happens here one or more of the churches will open and the volunteers will provide all the work,food and clean up at a moments notice as a lot of the folks have kids in the high school. we had 60 trucks plus full rental for Christmas 3 days till it was fixed… provided all the meals for everyone, including pick up and drop off of all the stranded truckers (police did it). over 200 meals 3 times a days.
Here some dont prepare, but most do out of necessity as you can go at least a week without new groceries.
It is why i moved here as petty as some people areand gossip mongers they are when it gets hard they pull together, cant say that about the big city i lived in.