Above-ground bermed reinforced concrete structures would be a pretty good bet — less issues with flooding than a bunker, but it's still resistant to wind and th

Above-ground bermed reinforced concrete structures would be a pretty good bet — less issues with flooding than a bunker, but it's still resistant to wind and things the wind carries with it. Wal-Mart's data center in Missouri, bermed and built directly on bedrock: https://cryptome.org/eyeball/walmart/walmart-birds.htm https://cryptome.org/eyeball/walmart/walmart-birds.htm