When a big funnel of destruction touches down, it puts everything that's about ground in instant trouble. But exactly how much trouble actually depends a lot on construction, and not just things like structural reinforcement: pretty standard, inherent things like the size of the rooms.

Making admittedly unnecessary use of its fancy-schmancy holo-table, CNN explains wind limits of homes, schools, and hospitals in the path of deadly tornadoes, and how the gusts that each type of building can withstand inevitably tie back into how they're all built. But one thing's for sure: it's better to not be near any tornado at all. [CNN]