The Dallas / Fort Worth Metroplex has to be one of the least prepared areas as far as the actual population is concerned. When our annual ice storm that usually lasts one or two days hits, people act as though it is the end of the world. That grocery stores are wiped out of food, which tells me folks aren't even ready for three days.
If one could make preparedness a "Keeping-Up-With-The-Jones" type of activity, then we would be ready for anything and EVERYTHING.
Like Comms said about Phoenix, many that live here are not from here, or even the region. Folks who are not "street wise" to the local natural threats like tornados just don't understand the need to be ready.
D/FW also has an issue with a multitude of municipalities within the geographic area. Each EMS/Fire/LE department cannot communicate with the other, so there will be coordination issues to a choke even the best intentioned first responders.
I know that if a reason to hit the road ever comes up, I am glad I live on the outskirts, and my BORV is stored a little farther out. We will just meet up at the shop, consolidate vehicle loads and head away from town. Once clear of the D/FW congestion, then we will look to a destination.
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I do the things that I must, and really regret, are unfortunately necessary.
RIP OBG