“A simpler question : is there such a thing as an underground shelter that works every time?”
As far as I know there is nothing that “works every time” but shelters are pretty much as foolproof as you can get.
Why doesn’t everyone have one? Cost mostly. And, in most tornados an interior closet, basement, bathroom etc. will be enough to keep you alive.
This was a series of very unusual storms. The tornados stayed on the ground an unprecedented time for this area. And, they were extremly strong. There was plenty of warning, but the usual “safe place” is not safe anymore. If an F-5 hits a home then the best thing to do is put your head between your legs. And kiss your ass goodby!
Thanks for the reply.Having lived for many years in earthquake country, I can somewhat relate.
A lot of HOAs won't allow them.