If you have a proper survival knife with you when the weather closes in you can make an emergency shelter; if there’s the material available to do so. But it’s better just to make sure that whenever you venture into the woods for any length of time that you have the right survival gear with you and the Sundome 2 Person backpacking tent from Coleman is that survival gear.
I.N.C.H. pack: I'm Never Coming Home pack. (It is another name for a Bug Out Bag. often used by those trying to show that they are experts in the preparedness field.) A pack containing everything needed to walk out into the woods and never return to society. It is a heavy pack loaded with the gear needed to accomplish any wilderness task, from building shelter to gaining food, designed to allow someone to survive indefinitely in the woods. This requires skills as well as proper selection of equipment, as one can only carry so much. For example, instead of carrying food, one carries seeds, steel traps, a longbow, reel spinners and other fishing gear.
A: When organizing materials in a tactical backpack there are certain fundamental rules to follow such as packing the sleeping bag at the bottom and placing most of your heaviest items in the center of the bag, with clothing like thermal tops and hiking pants etc above that. If you’re carrying a tent it should be lashed to the side of the pack. Survival gear – like most of the items reviewed above – is often small and light and should be distributed in the exterior pockets of the backpack where it can be easily accessed in an emergency. Place items related to the same task in separate pockets; i.e. place all your fire starting related items in the same ziplock bag and put them in one pocket then put your navigational aids together in another pocket. Things like emergency blankets and Mylar survival tents can go together in another pocket. While your tomahawk should be tucked away in the backpack, your knife should always be carried on your person. If you need to use your survival gear for any reason it should be returned to the same pocket you took it from so there’s no confusion if you need it again.
People who carefully and painstakingly prepare for mass extinction don't exactly seem like the type of people who plan great parties. At least, with those vast collections of guns, ammo, and other terrifying armaments, I certainly hope not. Then again, I suppose everyone will need a drink or 10 to get through the inevitable horrors of forever navigating the "what's for dinner" question without Seamless or, you know, realizing that your urban-dwelling family members will probably never arise from the blasted pit of rubble where their apartments once stood.
For global catastrophic risks the costs of food storage become impractical for most of the population  and for some such catastrophes conventional agriculture would not function due to the loss of a large fraction of sunlight (e.g. during nuclear winter or a supervolcano). In such situations, alternative food is necessary, which is converting natural gas and wood fiber to human edible food.
Tenacious Tape is not the kind of survival gear you won’t use every time out but when that rogue branch falls on your camping tent and rips your fly you’ll be thanking your lucky stars you have it in your bag. It can prevent a difficult situation from turning into a life threatening one. Tenacious Tape is completely weatherproof and won’t ever wash out. It doesn’t leave any tacky residue and is also machine washable. It’s the kind of quiet innovation that elevates the outdoor experience for everyone without making a lot of noise and is essential survival gear for any outdoor aficionado. Available in 3” or 20” rolls and a variety of colors.
Zombie apocalypse: Used by some preppers as a tongue-in-cheek metaphor for any natural or man-made disaster and "a clever way of drawing people’s attention to disaster preparedness". The premise of the Zombie Squad is that "if you are prepared for a scenario where the walking corpses of your family and neighbors are trying to eat you alive, you will be prepared for almost anything." Though "there are some... who are seriously preparing for a zombie attack".
One newsletter deemed by some to be one of the most important on survivalism and survivalist retreats in the 1970s was the Personal Survival ("P.S.") Letter (circa 1977–1982). Published by Mel Tappan, who also authored the books Survival Guns and Tappan on Survival. The newsletter included columns from Tappan himself as well as notable survivalists such as Jeff Cooper, Al J Venter, Bruce D. Clayton, Nancy Mack Tappan, J.B. Wood (author of several gunsmithing books), Karl Hess, Janet Groene (travel author), Dean Ing, Reginald Bretnor, and C.G. Cobb (author of Bad Times Primer). The majority of the newsletter revolved around selecting, constructing, and logistically equipping survival retreats. Following Tappan's death in 1980, Karl Hess took over publishing the newsletter, eventually renaming it Survival Tomorrow.