Let me preface this by saying we're not fruitcakes by any means (ha), but we do like to be prepared for anything from a late night at the office, an injury on the playground, all the way up to hurricanes or whatever. And at the top of my list is my actual checklist (including things to do in case of different situations, like if evacuating for a hurricane, we'd turn off our gas and water, that kind of thing).
Jeremy's work: there's plenty of bottled waters and sodas there in the employee fridge. I also put a small first aid kit and some meds he may need (including allergy meds, Pepto Bismol tablets, or anti-diarrhea meds), and some Cliff bars and a little bag of trail mix in the bottom drawer of his desk in case a storm came up on the island quickly and he wasn't able to come home until it passed, or even something as simple as getting caught in a meeting and missing lunch or whatever----he's got something to hold him over until he gets home.
In the backs of our cars, we each have an empty diaper box that holds jumper cables, oil and a funnel, a small set of tools, a reflective triangle, a gallon of water, some gloves, a thin blanket, a tarp, a poncho, and a small first aid kit. In the glove box I have insurance, car sickness meds, and emergency contact information. Each car has a cell charger, flashlight, and a road atlas/map.
In my diaperbag: I have a kid-related first aid kit and change of clothes for both kids, rolled up tight to keep it small, and a Red Cross printed foldout card that has all emergency contact information filled out and in a plastic strap attached to the inside zipper. My husband and I carry that same Red Cross card in our wallets, and my older son has one in his wallet that he carries occasionally and one in the front of his backpack. You can print that off the Red Cross website (it lists everything from main contacts, emergency contacts outside the area, doctor information, allergy info, etc). We've never had to use it, but it's not bad to have it.
Our master bedroom has 2 walk in closets. Mine is the larger squared off one in the best location and that would be where we'd go if there was a situation where we needed to hunker down. We keep our storm supplies in there on a shelf: a plug-in phone (if cell isn't working and electricity is out, the only way to use a phone would be the plug in phones, because portable phones rely on electricity---we have had this situation when we had no electricity for weeks after a hurricane, and cell phone service was VERY spotty...you can buy these at Walmart for like $4), a Red Cross weather radio that has a crank, solar panel, and also takes batteries that serves as an alarm clock, radio, light, flashing red light, and cell phone charger, a lantern, and some folding room lights, flashlights, a couple long lighters, matches in a waterproof container, candles, a full and COMPLETE first aid kit, clothing, blankets, a water/fire safe box (not big...the size of a portable file box) that has our insurances, passports, social security cards, copy of Jer's green card, birth certificates, vaccination records, deeds to properties and cars, and flash drives and SD cards that hold important stuff from our computer and family photos in it. Anything that would be a pain to replace if there was a flood, fire, or evacuation. In the pantry we have bottled waters, canned goods, just "stuff". In our garage we have a full bottle of plain household bleach and a medicine dropper to purify water if that was necessary, charcoal grill and charcoal, as well as our gas grill outside, so we could still cook even if we had to turn gas off. We have board games, books, etc in the closet as well. There are a couple books for reading, but also a Red Cross book for reference, if we needed it. We also have like 5 of those really big Hawaiian Punch bottles that we cleaned and put filtered drinking water in and froze, and they're stored in the deep freezer. This helps in energy efficiency on any normal day, and if the electricity goes off it would assist in keeping things colder longer, but if there were no electricity for an extended time: as they melt, they would be good and safe drinking water.
We have "go bags" that are not a big deal, just sort of a matter of fact. We don't live in fear by any means, we like to keep things packed for everyday stuff also. We have our little cart for going to the beach and all of our "stuff" packed including the beach bag for just normal trips to the beach---so all we have to do is get dressed, load the cart and chairs in the car, and hit the road instead of having to pack on a day we want to have fun. So it stands to reason for us to have what we call our "go bags" (the 72 hour kits) packed and in the garage where I park my car.
Me, my husband, and my 5 year old each have a backpack for our 72 hr kits, which includes 2 pairs of underwear and socks, 1 pants, 1 short sleeved shirt, 1 sweat shirt, 1 poncho, a travel zip-bag that contains a travel size detergent, feminine products for me, and basic toiletries as if we're just going on a short trip (toothbrush, small toothpaste, mouthwash, soap, shampoo, sanitizer wipes, asprin, etc. We have money in small denominations in a waterproof container, 3 cans of juice, 2 liter bottles of water, nutrigrain/granola/cliff bars, bags of dried fruit, little bag of cereal, and 3 cans of soup in each bag. Every bag has a whistle because I remember being a kid in Hurricane Frederick and getting separated from my grandpa. That was scary and my grandpa could whistle really loudly and that's how I got to him. We can't whistle like that, so we have whistles, lol, just in case. Each bag has emergency contact info (including local and out of the area contacts in case we needed local help or wanted to evacuate), toilet paper, little travel games like magnetic bingo, checkers, uno...a little Bible, a notebook/pen, and a small book. The adult bags each have a handyman tool/knife. We have a duffle bag that has a manual can opener, duct tape, wipes, diapers, things for my 2 year old (clothes, food, water, etc), and camping tools/supplies, just "stuff" we may need/want. The go bags and duffle bag are in the garage closet, along with the family tent and sleeping bags. The truth is, we would probably evacuate to our family in other states rather than rough it. But if we had problems with roads (which we HAVE experienced before), it'd be nice to know we're ok and can be as comfortable as possible with as little packing as possible. Again, we're not doomsday type people: we just like the idea of having things "together" so we can up and go (for fun too: the beach, camping, a picnic, etc) on a whim and not stress out or waste time trying to find things. Even our picnic basket has clean plastic plates, cutlery, a bottle opener/corkscrew, napkins, frisbee, and table cloth weights packed away IN the basket at any given time. Just add food and drink, lol. You don't need to purchase pre-made packs and expensive stuff though. Just put things together bit by bit.