Also, if you know a storm is on the way, freeze water in whatever containers you have so you'll have big blocks of ice for the coolers to save some of the food. Even filling ziploc bags full of water and freezing it is better than none. If possible, get your hands on a crank radio that doesn't require batteries but does have battery back up...these usually have a built in flashlight as well. When cleaning up the yard, save sticks, etc., for kindling. Dig a fire pit in your yard so you can build a fire and burn non-toxic trash as well (often trash pick up is suspended in emergency situations like this). Designate a spot in your yard for compost so you can toss organic materials in there instead of into the trash.
When you go shopping for canned goods, buy things like ready made soups, broths, tuna/fish/chicken, shelf boxed milk, canned juices, Gravies, powdered eggs. Not the best tasting, but it will get you through. Before we had a generator, we always kept these things stocked....it's become habit. Even with a generator, we can only cook on the grill and if we a lucky and I can find some small propane tanks, on the camp stove. (our grill is charcoal).
Of course, all of this is a moot point for this storm, but for future storms...
But now, take advantage of soup kitchens, shelters, food pantries, free showers, anything you can. If you can get on line, go to your town's 'patch' for up to the minute information on available services in your areas.