It all depends upon how they are built. I remember a number of Queenslanders ended up floating away because the waters went above floor level. http://www.abc.n

It all depends upon how they are built. I remember a number of Queenslanders ended up floating away because the waters went above floor level. http://www.abc.net.au/news/2017-04-02/floodwaters-sweep-away-house-minutes-after-family-rescued/8409188 http://www.abc.net.au/news/2017-04-02/floodwaters-sweep-away.... They tend to not do very well in cyclones unless the builder has been very careful about tying the stumps to the floor to the walls to the roof.