well, i think that while the temperatures are going to drop, the electrical energy being soaked up by the planet is going to be at all time highs, as is the rates of genetic mutation
i'm more or less girding myself for 30 years living in a bunker herding goats and barbecues in constant cold conditions... i still haven't figured out where i want that to be exactly, there's a number of candidates but the really nice ones after the change are really shit right now (eg, the alps, the mountains of southern argentina, the centre of australia, the mountain regions around south africa and namibia... balkans seems nice, and there is also siberia/mongolia and the eastern rockies... pretty much the rest of the world is gonna get washed away, and then frozen
the normies are not prepared for this at all, it is not wise to be around such large numbers of people in a natural disaster situation and one of the things that is almost certain to happen is total loss of the power grid and electronic tech, that will probably happen within 10 years, imagine the chaos of all these people who've been in a trance all day long staring at flickering screens suddenly having to actually talk to each other again, oof